Common use of or less Clause in Contracts

or less. All generating machines irrespective of capacity shall have electronically controlled governing system with appropriate speed/load characteristics to regulate frequency. The governors of thermal generating units shall have a droop of 3 to 6% and those of hydro generating units 0 to 10%. The project of M/s.____________ / MSETCL shall not cause voltage and current harmonics on the grid which exceed the limits specified in Institute of Electrical and Electronics Engineers (IEEE) Standard 519. Generating Units located near load Centre, shall be capable of operating at rated output for power factor varying between 0.85 lagging (over-excited) to 0.95 leading (under excited) and Generating Units located far from load centers shall be capable of operating at rated output for power factor varying between 0.9 lagging (over-excited) to 0.95 leading (under-excited). The above performance shall also be achieved with voltage variation of +5% of nominal, frequency variation of +3% and -5% and combined voltage and frequency variation of +5%. However, for gas turbines, the above performance shall be achieved for voltage variation of +5%. The coal and lignite based thermal generating units shall be capable of generating up to 105% of Maximum Continuous Rating (subject to maximum load capability under Valve Wide Open Condition) for short duration) to provide the frequency response. The hydro generating units shall be capable of generating up to 110% of rated capacity (subject to rated head being available) on continuous basis. Every generating unit shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. For generating units having rated capacity greater than 100 MW, two independent sets of protections acting on two independent sets of trip coils fed from independent Direct Current (DC) supplies shall be provided. The protections shall include but not be Ltd. to the Local Breaker Back-up (LBB) protection. Hydro generating units having rated capacity of 50 MW and above shall be capable of operation in synchronous condenser mode, wherever feasible. Bus bar protection shall be provided at the switchyard of all generating station. Automatic synchronization facilities shall be provided in the MSETCL’s Project. The Reactive demand and Injections shall be in compliance with Clause 37.4 Maharashtra Electricity Grid Code (MEGC) 2020. The station auxiliary power requirement, including voltage and reactive requirements, shall not impose operating restrictions on the grid beyond those specified in the Grid Code or state Grid Code as the case may be. In case of hydro generating units, self-starting facility may be provided. The hydro generating station may also have a small diesel generator for meeting the station auxiliary requirements for black start. The standards in respect of the substations associated with the generating stations shall be in accordance with the provisions specified in respect of ‘substations’ under Schedule 2 of these Standards. Existing Units For thermal generating units having rated capacity of 200 MW and above and hydro units having rated capacity of 100 MW and above, the following facilities would be provided at the time of renovation and modernization. Every generating unit shall have Automatic Voltage Regulator. Generators having rated capacity of 100MW and above shall have Automatic Voltage Regulator with two separate channels having independent inputs and automatic changeover. Every generating unit of capacity having rated capacity higher than 100Mw shall have Power System Stabilizer. All generating units shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. The protections shall include but not Ltd. to the Local Breaker Back-up (LBB) protection. Schedule 1(B) Grid Connectivity Standards applicable to the Generating Units (Wind & Solar) Requirement with respect to Xxxxxxxxx, direct current (DC) Injection & flicker The harmonic current injections from the generating stations shall not exceed the limit specified in institute of Electrical & Electronics Engineers (IEEE) Standard 519. The generating station shall not inject DC current greater than 0.5% of the full rated output at the interconnection point. The generating station shall not introduce flicker beyond the limit specified in IEC 61000. Provided that the standard for flicker will come into effect from 1st April 2014. Measurement of harmonic content, DC injection and flicker shall be done at least in a year in presence of the parties concerned and the indicative date for the same shall be mentioned in the connection agreement. For generating station getting connected on or after completion of 6 month from date of publication of these regulations in the official gazette. The generating station shall be capable of supplying dynamically varying reactive power support so as to maintain power factor within limit of 0.95 lagging to 0.95 leading. The generating unit shall be capable of operating in the frequency range 47.5 to 52 Hz and be able to deliver rated output in the frequency range of 49.5 Hz to 50.5 Hz The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point on any or all phases dips up to the level depicted by the thick lines in the following curve. The generating stations with installed capacity of more than 10 MW connected at voltage level of 33 kV and above – shall be equipped with the facility to control active power injection in accordance with a set point, capable of being revised based on directions of the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be; shall have governors or frequency controllers of the units at a droop of 3 to 6% and a dead band not exceeding ±0.03 Hz: Provided that for frequency deviations in excess of 0.3 Hz, the Generating Station shall have the facility to provide an immediate (within 1 second) real power primary frequency response of at least 10% of the maximum Alternating Current active power capacity; shall have the operating range of the frequency response and regulation system from 10% to 100% of the maximum Alternating Current active power capacity, corresponding to solar insolation or wind speed, as the case may be; Shall be equipped with the facility for controlling the rate of change of power output at a rate not more than ± 10% per minute. The generating stations of aggregate capacity of 500 MW and above shall have the provision to receive the signal from the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be, for varying active and reactive power output. The standards in respect of the switchyard associated with the generating stations shall be in accordance with the provisions specified in respect of ‘Sub-stations’ under Part III of these Standards. The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point, on any or all phases (symmetrical or asymmetrical overvoltage conditions) rises above the specified values given below for specified time — Schedule 2 Grid Connectivity Standards applicable to the Transmission Line and substation The transmission lines and substations connected to the grid shall comply with the following additional requirements besides the general connectivity conditions under these regulations and General Standards for Connectivity to the Grid. Bus bar protection shall be provided on all substations at and above 220 kV levels for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Local Breaker Back-up (LBB) protection shall he provided for all substations of 220kV and above. Two main numerical Distance Protection Schemes shall he provided on all the transmission lines of 220 kV and above for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Circuit breakers, isolators and all other current carrying equipment shall be capable of carrying normal and emergency load currents without damage. The equipment shall not become a limiting factor on the ability of transfer of power on the inter-state and intra-state transmission system. All circuit breakers and other fault interrupting devices shall be capable of safely interrupting fault currents for any fault that they are required to interrupt. The Circuit breaker shall have this capability without the use of intentional time delay in clearing the fault. Minimum fault interrupting requirement need be specified by the State Transmission Utility. The Circuit Breaker shall be capable of performing all other required switching duties such as, but not Ltd. to, capacitive current switching, load current switching and out-of-step switching. The Circuit Breaker shall perform all required duties without creating transient over-voltages that could damage the equipment provided elsewhere in the grid. The short circuit capacity of the circuit breaker shall be based on short-term and perspective transmission plans as finalized by the Authority. Power Supply to substation Auxiliaries, shall: For alternating current (AC) supply (Applicable to new substations) 220 kV and above: Two high tension (HT) supplies shall be arranged from independent sources. One of the two high tension supplies shall be standby to the other. In addition, an emergency supply from diesel generating (DG) source of suitable capacity shall also he provided. 66KV and below 220 kV: There shall be one HT supply and one diesel generating source. 33 kV and below 66 kV: There shall be one HT supply For direct current (DC) Supply (Applicable to new substations): substation of transmission system for 132 kV and above and substations of all generating stations: There shall he two sets of batteries, each equipped with its own charger. For substation below 132 kV: there shall be one set of battery and charger. Earth Fault Factor for an effectively earthed system shall be not more than 1.4. Transmission Licensee shall provide line Reactors as may be necessary after carrying out system studies to control temporary over voltage within the limits as set out above. The parties agree that Inter-Connecting Transformer (ICT) taps at the respective drawal points may be changed to control the Reactive Power interchange as per M/s.____________ request to the State Load Despatch Centre, but only at reasonable intervals.

or less. All generating machines irrespective of capacity shall have electronically controlled governing system with appropriate speed/load characteristics to regulate frequency. The governors of thermal generating units shall have a droop of 3 to 6% and those of hydro generating units 0 to 10%. The project of M/s.____________ / MSETCL M/s. __________ (Transmission Licensee) shall not cause voltage and current harmonics on the grid which exceed the limits specified in Institute of Electrical and Electronics Engineers (IEEE) Standard 519. Generating Units located near load Centre, shall be capable of operating at rated output for power factor varying between 0.85 lagging (over-excited) to 0.95 leading (under excited) and Generating Units located far from load centers shall be capable of operating at rated output for power factor varying between 0.9 lagging (over-excited) to 0.95 leading (under-excited). The above performance shall also be achieved with voltage variation of +5% of nominal, frequency variation of +3% and -5% and combined voltage and frequency variation of +5%. However, for gas turbines, the above performance shall be achieved for voltage variation of +5%. The coal and lignite based thermal generating units shall be capable of generating up to 105% of Maximum Continuous Rating (subject to maximum load capability under Valve Wide Open Condition) for short duration) to provide the frequency response. The hydro generating units shall be capable of generating up to 110% of rated capacity (subject to rated head being available) on continuous basis. Every generating unit shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. For generating units having rated capacity greater than 100 MW, two independent sets of protections acting on two independent sets of trip coils fed from independent Direct Current (DC) supplies shall be provided. The protections shall include but not be Ltd. to the Local Breaker Back-up (LBB) protection. Hydro generating units having rated capacity of 50 MW and above shall be capable of operation in synchronous condenser mode, wherever feasible. Bus bar protection shall be provided at the switchyard of all generating station. Automatic synchronization facilities shall be provided in the MSETCL’s M/s. ___________ Project. The Reactive demand and Injections shall be in compliance with Clause 37.4 Maharashtra Electricity Grid Code (MEGC) 2020. The station auxiliary power requirement, including voltage and reactive requirements, shall not impose operating restrictions on the grid beyond those specified in the Grid Code or state Grid Code as the case may be. In case of hydro generating units, self-starting facility may be provided. The hydro generating station may also have a small diesel generator for meeting the station auxiliary requirements for black start. The standards in respect of the substations associated with the generating stations shall be in accordance with the provisions specified in respect of ‘substations’ under Schedule 2 of these Standards. Existing Units For thermal generating units having rated capacity of 200 MW and above and hydro units having rated capacity of 100 MW and above, the following facilities would be provided at the time of renovation and modernization. Every generating unit shall have Automatic Voltage Regulator. Generators having rated capacity of 100MW and above shall have Automatic Voltage Regulator with two separate channels having independent inputs and automatic changeover. Every generating unit of capacity having rated capacity higher than 100Mw 100MW shall have Power System Stabilizer. All generating units shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. The protections shall include but not Ltd. to the Local Breaker Back-up (LBB) protection. Schedule 1(B) Grid Connectivity Standards applicable to the Generating Units (Wind & Solar) Requirement with respect to XxxxxxxxxHarmonics, direct current (DC) Injection & flicker The harmonic current injections from the generating stations shall not exceed the limit specified in institute of Electrical & Electronics Engineers (IEEE) Standard 519. The generating station shall not inject DC current greater than 0.5% of the full rated output at the interconnection point. The generating station shall not introduce flicker beyond the limit specified in IEC 61000. Provided that the standard for flicker will come into effect from 1st April 2014. Measurement of harmonic content, DC injection and flicker shall be done at least in a year in presence of the parties concerned and the indicative date for the same shall be mentioned in the connection agreement. For generating station getting connected on or after completion of 6 month from date of publication of these regulations in the official gazette. (*According to the Central Electricity Authority (Technical Standard for Connectivity to the Grid) Regulations, 2007 and its amendments thereof.) The generating station shall be capable of supplying dynamically varying reactive power support so as to maintain power factor within limit of 0.95 lagging to 0.95 leading. The generating unit shall be capable of operating in the frequency range 47.5 to 52 Hz and be able to deliver rated output in the frequency range of 49.5 Hz to 50.5 Hz The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point on any or all phases dips up to the level depicted by the thick lines in the following curve. The generating stations with installed capacity of more than 10 MW connected at voltage level of 33 kV and above – shall be equipped with the facility to control active power injection in accordance with a set point, capable of being revised based on directions of the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be; shall have governors or frequency controllers of the units at a droop of 3 to 6% and a dead band not exceeding ±0.03 Hz: Provided that for frequency deviations in excess of 0.3 Hz, the Generating Station shall have the facility to provide an immediate (within 1 second) real power primary frequency response of at least 10% of the maximum Alternating Current active power capacity; shall have the operating range of the frequency response and regulation system from 10% to 100% of the maximum Alternating Current active power capacity, corresponding to solar insolation or wind speed, as the case may be; Shall be equipped with the facility for controlling the rate of change of power output at a rate not more than ± 10% per minute. The generating stations of aggregate capacity of 500 MW and above shall have the provision to receive the signal from the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be, for varying active and reactive power output. The standards in respect of the switchyard associated with the generating stations shall be in accordance with the provisions specified in respect of ‘Sub-stations’ under Part III of these Standards. The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point, on any or all phases (symmetrical or asymmetrical overvoltage conditions) rises above the specified values given below for specified time — Schedule 2 Grid Connectivity Standards applicable Over voltage (pu) Minimum time to the Transmission Line and substation The transmission lines and substations remain connected to the grid shall comply with the following additional requirements besides the general connectivity conditions under these regulations and General Standards for Connectivity to the Grid. Bus bar protection shall be provided on all substations at and above 220 kV levels for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Local Breaker Back-up (LBBseconds) protection shall he provided for all substations of 220kV and above. Two main numerical Distance Protection Schemes shall he provided on all the transmission lines of 220 kV and above for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Circuit breakers, isolators and all other current carrying equipment shall be capable of carrying normal and emergency load currents without damage. The equipment shall not become a limiting factor on the ability of transfer of power on the inter-state and intra-state transmission system. All circuit breakers and other fault interrupting devices shall be capable of safely interrupting fault currents for any fault that they are required to interrupt. The Circuit breaker shall have this capability without the use of intentional time delay in clearing the fault. Minimum fault interrupting requirement need be specified by the State Transmission Utility. The Circuit Breaker shall be capable of performing all other required switching duties such as, but not Ltd. to, capacitive current switching, load current switching and out-of-step switching. The Circuit Breaker shall perform all required duties without creating transient over-voltages that could damage the equipment provided elsewhere in the grid. The short circuit capacity of the circuit breaker shall be based on short-term and perspective transmission plans as finalized by the Authority. Power Supply to substation Auxiliaries, shall: For alternating current 1.30>V 0 Sec (ACinstantaneous trip) supply (Applicable to new substations) 220 kV and above: Two high tension (HT) supplies shall be arranged from independent sources. One of the two high tension supplies shall be standby to the other. In addition, an emergency supply from diesel generating (DG) source of suitable capacity shall also he provided. 66KV and below 220 kV: There shall be one HT supply and one diesel generating source. 33 kV and below 66 kV: There shall be one HT supply For direct current (DC) Supply (Applicable to new substations): substation of transmission system for 132 kV and above and substations of all generating stations: There shall he two sets of batteries, each equipped with its own charger. For substation below 132 kV: there shall be one set of battery and charger. Earth Fault Factor for an effectively earthed system shall be not more than 1.4. Transmission Licensee shall provide line Reactors as may be necessary after carrying out system studies to control temporary over voltage within the limits as set out above. The parties agree that Inter-Connecting Transformer (ICT) taps at the respective drawal points may be changed to control the Reactive Power interchange as per M/s.____________ request to the State Load Despatch Centre, but only at reasonable intervals.1.30 ≥V>1.20 0.2 Sec

or less. All generating machines irrespective of capacity shall have electronically controlled governing system with appropriate speed/load characteristics to regulate frequency. The governors of thermal generating units shall have a droop of 3 to 6% and those of hydro generating units 0 to 10%. The project of M/s.____________ / MSETCL M/s. __________ (Transmission Licensee) shall not cause voltage and current harmonics on the grid which exceed the limits specified in Institute of Electrical and Electronics Engineers (IEEE) Standard 519. Generating Units located near load Centre, shall be capable of operating at rated output for power factor varying between 0.85 lagging (over-excited) to 0.95 leading (under excited) and Generating Units located far from load centers shall be capable of operating at rated output for power factor varying between 0.9 lagging (over-excited) to 0.95 leading (under-excited). The above performance shall also be achieved with voltage variation of +5% of nominal, frequency variation of +3% and -5% and combined voltage and frequency variation of +5%. However, for gas turbines, the above performance shall be achieved for voltage variation of +5%. The coal and lignite based thermal generating units shall be capable of generating up to 105% of Maximum Continuous Rating (subject to maximum load capability under Valve Wide Open Condition) for short duration) to provide the frequency response. The hydro generating units shall be capable of generating up to 110% of rated capacity (subject to rated head being available) on continuous basis. Every generating unit shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. For generating units having rated capacity greater than 100 MW, two independent sets of protections acting on two independent sets of trip coils fed from independent Direct Current (DC) supplies shall be provided. The protections shall include but not be Ltd. to the Local Breaker Back-up (LBB) protection. Hydro generating units having rated capacity of 50 MW and above shall be capable of operation in synchronous condenser mode, wherever feasible. Bus bar protection shall be provided at the switchyard of all generating station. Automatic synchronization facilities shall be provided in the MSETCL’s M/s. ___________ Project. The Reactive demand and Injections shall be in compliance with Clause 37.4 Maharashtra Electricity Grid Code (MEGC) 2020. The station auxiliary power requirement, including voltage and reactive requirements, shall not impose operating restrictions on the grid beyond those specified in the Grid Code or state Grid Code as the case may be. In case of hydro generating units, self-starting facility may be provided. The hydro generating station may also have a small diesel generator for meeting the station auxiliary requirements for black start. The standards in respect of the substations associated with the generating stations shall be in accordance with the provisions specified in respect of ‘substations’ under Schedule 2 of these Standards. Existing Units For thermal generating units having rated capacity of 200 MW and above and hydro units having rated capacity of 100 MW and above, the following facilities would be provided at the time of renovation and modernization. Every generating unit shall have Automatic Voltage Regulator. Generators having rated capacity of 100MW and above shall have Automatic Voltage Regulator with two separate channels having independent inputs and automatic changeover. Every generating unit of capacity having rated capacity higher than 100Mw 100MW shall have Power System Stabilizer. All generating units shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. The protections shall include but not Ltd. to the Local Breaker Back-up (LBB) protection. Schedule 1(B) Grid Connectivity Standards applicable to the Generating Units (Wind & Solar) Requirement with respect to Xxxxxxxxx, direct current (DC) Injection & flicker The harmonic current injections from the generating stations shall not exceed the limit specified in institute of Electrical & Electronics Engineers (IEEE) Standard 519. The generating station shall not inject DC current greater than 0.5% of the full rated output at the interconnection point. The generating station shall not introduce flicker beyond the limit specified in IEC 61000. Provided that the standard for flicker will come into effect from 1st April 2014. Measurement of harmonic content, DC injection and flicker shall be done at least in a year in presence of the parties concerned and the indicative date for the same shall be mentioned in the connection agreement. For generating station getting connected on or after completion of 6 month from date of publication of these regulations in the official gazette. (*According to the Central Electricity Authority (Technical Standard for Connectivity to the Grid) Regulations, 2007 and its amendments thereof.) The generating station shall be capable of supplying dynamically varying reactive power support so as to maintain power factor within limit of 0.95 lagging to 0.95 leading. The generating unit shall be capable of operating in the frequency range 47.5 to 52 Hz and be able to deliver rated output in the frequency range of 49.5 Hz to 50.5 Hz The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point on any or all phases dips up to the level depicted by the thick lines in the following curve. The generating stations with installed capacity of more than 10 MW connected at voltage level of 33 kV and above – shall be equipped with the facility to control active power injection in accordance with a set point, capable of being revised based on directions of the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be; shall have governors or frequency controllers of the units at a droop of 3 to 6% and a dead band not exceeding ±0.03 Hz: Provided that for frequency deviations in excess of 0.3 Hz, the Generating Station shall have the facility to provide an immediate (within 1 second) real power primary frequency response of at least 10% of the maximum Alternating Current active power capacity; shall have the operating range of the frequency response and regulation system from 10% to 100% of the maximum Alternating Current active power capacity, corresponding to solar insolation or wind speed, as the case may be; Shall be equipped with the facility for controlling the rate of change of power output at a rate not more than ± 10% per minute. The generating stations of aggregate capacity of 500 MW and above shall have the provision to receive the signal from the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be, for varying active and reactive power output. The standards in respect of the switchyard associated with the generating stations shall be in accordance with the provisions specified in respect of ‘Sub-stations’ under Part III of these Standards. The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point, on any or all phases (symmetrical or asymmetrical overvoltage conditions) rises above the specified values given below for specified time — Schedule 2 Grid Connectivity Standards applicable Over voltage (pu) Minimum time to the Transmission Line and substation The transmission lines and substations remain connected to the grid shall comply with the following additional requirements besides the general connectivity conditions under these regulations and General Standards for Connectivity to the Grid. Bus bar protection shall be provided on all substations at and above 220 kV levels for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Local Breaker Back-up (LBBseconds) protection shall he provided for all substations of 220kV and above. Two main numerical Distance Protection Schemes shall he provided on all the transmission lines of 220 kV and above for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Circuit breakers, isolators and all other current carrying equipment shall be capable of carrying normal and emergency load currents without damage. The equipment shall not become a limiting factor on the ability of transfer of power on the inter-state and intra-state transmission system. All circuit breakers and other fault interrupting devices shall be capable of safely interrupting fault currents for any fault that they are required to interrupt. The Circuit breaker shall have this capability without the use of intentional time delay in clearing the fault. Minimum fault interrupting requirement need be specified by the State Transmission Utility. The Circuit Breaker shall be capable of performing all other required switching duties such as, but not Ltd. to, capacitive current switching, load current switching and out-of-step switching. The Circuit Breaker shall perform all required duties without creating transient over-voltages that could damage the equipment provided elsewhere in the grid. The short circuit capacity of the circuit breaker shall be based on short-term and perspective transmission plans as finalized by the Authority. Power Supply to substation Auxiliaries, shall: For alternating current 1.30>V 0 Sec (ACinstantaneous trip) supply (Applicable to new substations) 220 kV and above: Two high tension (HT) supplies shall be arranged from independent sources. One of the two high tension supplies shall be standby to the other. In addition, an emergency supply from diesel generating (DG) source of suitable capacity shall also he provided. 66KV and below 220 kV: There shall be one HT supply and one diesel generating source. 33 kV and below 66 kV: There shall be one HT supply For direct current (DC) Supply (Applicable to new substations): substation of transmission system for 132 kV and above and substations of all generating stations: There shall he two sets of batteries, each equipped with its own charger. For substation below 132 kV: there shall be one set of battery and charger. Earth Fault Factor for an effectively earthed system shall be not more than 1.4. Transmission Licensee shall provide line Reactors as may be necessary after carrying out system studies to control temporary over voltage within the limits as set out above. The parties agree that Inter-Connecting Transformer (ICT) taps at the respective drawal points may be changed to control the Reactive Power interchange as per M/s.____________ request to the State Load Despatch Centre, but only at reasonable intervals.1.30 ≥V>1.20 0.2 Sec

or less. All generating machines irrespective of capacity shall have electronically controlled governing system with appropriate speed/load characteristics to regulate frequency. The governors of thermal generating units shall have a droop of 3 to 6% and those of hydro generating units 0 to 10%. The project of M/s.___________the _ _ _ / MSETCL shall not cause voltage and current harmonics on the grid which exceed the limits specified in Institute of Electrical and Electronics Engineers (IEEE) Standard 519. Generating Units located near load Centrecentre, shall be capable of operating at rated output for power factor varying between 0.85 lagging (over-excited) to 0.95 leading (under excitedunderexcited) and Generating Units located far from load centers shall be capable of operating at rated output for power factor varying between 0.9 lagging (over-excited) to 0.95 leading (under-excited). The above performance shall also be achieved with voltage variation of +5% of nominal, frequency variation of +3% and -5% and combined voltage and frequency variation of +5%. However, for gas turbines, the above performance shall be achieved for voltage variation of +5%. The coal and lignite based thermal generating units shall be capable of generating up to 105% of Maximum Continuous Rating (subject to maximum load capability under Valve Wide Open Condition) for short duration) to provide the frequency response. The hydro generating units shall be capable of generating up to 110% of rated capacity (subject to rated head being available) on continuous basis. Every generating unit shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. For generating units having rated capacity greater than 100 MW, two independent sets of protections acting on two independent sets of trip coils fed from independent Direct Current (DC) supplies shall be provided. The protections shall include but not be Ltd. to the Local Breaker Back-up (LBB) protection. Hydro generating units having rated capacity of 50 MW and above shall be capable of operation in synchronous condenser mode, wherever feasible. Bus bar protection shall be provided at the switchyard of all generating station. Automatic synchronization facilities shall be provided in the MSETCL’s Project. The Reactive demand and Injections shall be in compliance with Clause 37.4 Maharashtra Electricity 16.4 of the State Grid Code (MEGC) 2020Code. The station auxiliary power requirement, including voltage and reactive requirements, shall not impose operating restrictions on the grid beyond those specified in the Grid Code or state Grid Code as the case may be. In case of hydro generating units, self-starting facility may be provided. The hydro generating station may also have a small diesel generator for meeting the station auxiliary requirements for black start. The standards in respect of the substations sub-stations associated with the generating stations shall be in accordance with the provisions specified in respect of ‘substationsSub-stations’ under Schedule 2 of these Standards. Existing Units For thermal generating units having rated capacity of 200 MW and above and hydro units having rated capacity of 100 MW and above, the following facilities would be provided at the time of renovation and modernization. Every generating unit shall have Automatic Voltage Regulator. Generators having rated capacity of 100MW and above shall have Automatic Voltage Regulator with two separate channels having independent inputs and automatic changeover. Every generating unit of capacity having rated capacity higher than 100Mw shall have Power System Stabilizer. All generating units shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. The protections shall include but not Ltd. to the Local Breaker Back-up (LBB) protection. Schedule 1(B) Grid Connectivity Standards applicable to the Generating Units (Wind & Solar) Requirement with respect to Xxxxxxxxx, direct current (DC) Injection & flicker The harmonic current injections from the generating stations shall not exceed the limit specified in institute of Electrical & Electronics Engineers (IEEE) Standard 519. The generating station shall not inject DC current greater than 0.5% of the full rated output at the interconnection point. The generating station shall not introduce flicker beyond the limit specified in IEC 61000. Provided that the standard for flicker will come into effect from 1st April 2014. Measurement of harmonic content, DC injection and flicker shall be done at least in a year in presence of the parties concerned and the indicative date for the same shall be mentioned in the connection agreement. For generating station getting connected on or after completion of 6 month from date of publication of these regulations in the official gazette. The generating station shall be capable of supplying dynamically varying reactive power support so as to maintain power factor within limit of 0.95 lagging to 0.95 leading. The generating unit shall be capable of operating in the frequency range 47.5 to 52 Hz and be able to deliver rated output in the frequency range of 49.5 Hz to 50.5 Hz The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point on any or all phases dips up to the level depicted by the thick lines in the following curve. The generating stations with installed capacity of more than 10 MW connected at voltage level of 33 kV and above – shall be equipped with the facility to control active power injection in accordance with a set point, capable of being revised based on directions of the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be; shall have governors or frequency controllers of the units at a droop of 3 to 6% and a dead band not exceeding ±0.03 Hz: Provided that for frequency deviations in excess of 0.3 Hz, the Generating Station shall have the facility to provide an immediate (within 1 second) real power primary frequency response of at least 10% of the maximum Alternating Current active power capacity; shall have the operating range of the frequency response and regulation system from 10% to 100% of the maximum Alternating Current active power capacity, corresponding to solar insolation or wind speed, as the case may be; Shall be equipped with the facility for controlling the rate of change of power output at a rate not more than ± 10% per minute. The generating stations of aggregate capacity of 500 MW and above shall have the provision to receive the signal from the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be, for varying active and reactive power output. The standards in respect of the switchyard associated with the generating stations shall be in accordance with the provisions specified in respect of ‘Sub-stations’ under Part III of these Standards. The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point, on any or all phases (symmetrical or asymmetrical overvoltage conditions) rises above the specified values given below for specified time — Schedule 2 Grid Connectivity Standards applicable to the Transmission Line and substation Sub-station The transmission lines and substations sub-stations connected to the grid shall comply with the following additional requirements besides the general connectivity conditions under these regulations and General Standards for Connectivity to the Grid. Bus bar protection shall be provided on all substations sub-stations at and above 220 kV levels for all new substationssub-stations. For existing substationssub-stations, this shall be implemented in a reasonable time frame. Local Breaker Back-up (LBB) protection shall he provided for all substations sub-stations of 220kV and above. Two main numerical Distance Protection Schemes shall he provided on all the transmission lines of 220 kV and above for all new substationssub-stations. For existing substations, this shall be implemented in a reasonable time frame. Circuit breakers, isolators and all other current carrying equipment shall be capable of carrying normal and emergency load currents without damage. The equipment shall not become a limiting factor on the ability of transfer of power on the inter-state and intra-state transmission system. All circuit breakers and other fault interrupting devices shall be capable of safely interrupting fault currents for any fault that they are required to interrupt. The Circuit breaker shall have this capability without the use of intentional time delay in clearing the fault. Minimum fault interrupting requirement need be specified by the State Transmission Utility. The Circuit Breaker shall be capable of performing all other required switching duties such as, but not Ltd. to, capacitive current switching, load current switching and out-of-step switching. The Circuit Breaker shall perform all required duties without creating transient over-voltages that could damage the equipment provided elsewhere in the grid. The short circuit capacity of the circuit breaker shall be based on short-term and perspective transmission plans as finalized by the Authority. Power Supply to substation Sub-Station Auxiliaries, shall: For for alternating current (AC) supply (Applicable to new substationssub-stations) 220 kV and above: Two high tension (HT) supplies shall be arranged from independent sources. One of the two high tension supplies shall be standby to the other. In addition, an emergency supply from diesel generating (DG) source of suitable capacity shall also he provided. 66KV and below 220 kV: There shall be one HT supply and one diesel generating source. 33 kV and below 66 kV: There shall be one HT supply For for direct current (DC) Supply (Applicable to new substationssub-stations): substation Sub-station of transmission system for 132 kV and above and substations sub-stations of all generating stations: There shall he two sets of batteries, each equipped with its own charger. For substation sub-station below 132 kV: there shall be one set of battery and charger. Earth Fault Factor for an effectively earthed system shall be not more than 1.4. Transmission Licensee shall provide line Reactors as may be necessary after carrying out system studies to control temporary over voltage within the limits as set out above. The parties agree that Inter-Connecting Transformer (ICT) taps at the respective drawal points may be changed to control the Reactive Power interchange as per M/s.____________ _ _ request to the State Load Despatch Centre, but only at reasonable intervals. Schedule 3 Grid Connectivity Standards applicable to the Distribution Systems and Bulk Consumers The following additional requirements shall he complied with. Besides the connectivity conditions in these regulations and general Standards for Connectivity to the Grid given in Part-I and those applicable to transmission lines and sub-stations in part III Under Frequency and df/dt Relays Under frequency and df/dt (rate of change of frequency with time) relays shall be employed for automatic load control in a contingency to ensure grid security under conditions of falling grid frequency in accordance with the decision taken in the Regional Power Committee.

or less. All generating machines irrespective of capacity shall have electronically controlled governing system with appropriate speed/load characteristics to regulate frequency. The governors of thermal generating units shall have a droop of 3 to 6% and those of hydro generating units 0 to 10%. The project of M/s.____________ / MSETCL shall not cause voltage and current harmonics on the grid which exceed the limits specified in Institute of Electrical and Electronics Engineers (IEEE) Standard 519. Generating Units located near load Centre, shall be capable of operating at rated output for power factor varying between 0.85 lagging (over-excited) to 0.95 leading (under excited) and Generating Units located far from load centers shall be capable of operating at rated output for power factor varying between 0.9 lagging (over-excited) to 0.95 leading (under-excited). The above performance shall also be achieved with voltage variation of +5% of nominal, frequency variation of +3% and -5% and combined voltage and frequency variation of +5%. However, for gas turbines, the above performance shall be achieved for voltage variation of +5%. The coal and lignite based thermal generating units shall be capable of generating up to 105% of Maximum Continuous Rating (subject to maximum load capability under Valve Wide Open Condition) for short duration) to provide the frequency response. The hydro generating units shall be capable of generating up to 110% of rated capacity (subject to rated head being available) on continuous basis. Every generating unit shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. For generating units having rated capacity greater than 100 MW, two independent sets of protections acting on two independent sets of trip coils fed from independent Direct Current (DC) supplies shall be provided. The protections shall include but not be Ltd. to the Local Breaker Back-up (LBB) protection. Hydro generating units having rated capacity of 50 MW and above shall be capable of operation in synchronous condenser mode, wherever feasible. Bus bar protection shall be provided at the switchyard of all generating station. Automatic synchronization facilities shall be provided in the MSETCL’s Project. The Reactive demand and Injections shall be in compliance with Clause 37.4 Maharashtra Electricity Grid Code (MEGC) 2020. The station auxiliary power requirement, including voltage and reactive requirements, shall not impose operating restrictions on the grid beyond those specified in the Grid Code or state Grid Code as the case may be. In case of hydro generating units, self-starting facility may be provided. The hydro generating station may also have a small diesel generator for meeting the station auxiliary requirements for black start. The standards in respect of the substations associated with the generating stations shall be in accordance with the provisions specified in respect of ‘substations’ under Schedule 2 of these Standards. Existing Units For thermal generating units having rated capacity of 200 MW and above and hydro units having rated capacity of 100 MW and above, the following facilities would be provided at the time of renovation and modernization. Every generating unit shall have Automatic Voltage Regulator. Generators having rated capacity of 100MW and above shall have Automatic Voltage Regulator with two separate channels having independent inputs and automatic changeover. Every generating unit of capacity having rated capacity higher than 100Mw shall have Power System Stabilizer. All generating units shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. The protections shall include but not Ltd. to the Local Breaker Back-up (LBB) protection. Schedule 1(B) Grid Connectivity Standards applicable to the Generating Units (Wind & Solar) Requirement with respect to XxxxxxxxxHarmonics, direct current (DC) Injection & flicker The harmonic current injections from the generating stations shall not exceed the limit specified in institute of Electrical & Electronics Engineers (IEEE) Standard 519. The generating station shall not inject DC current greater than 0.5% of the full rated output at the interconnection point. The generating station shall not introduce flicker beyond the limit specified in IEC 61000. Provided that the standard for flicker will come into effect from 1st April 2014. Measurement of harmonic content, DC injection and flicker shall be done at least in a year in presence of the parties concerned and the indicative date for the same shall be mentioned in the connection agreement. For generating station getting connected on or after completion of 6 month from date of publication of these regulations in the official gazette. The generating station shall be capable of supplying dynamically varying reactive power support so as to maintain power factor within limit of 0.95 lagging to 0.95 leading. The generating unit shall be capable of operating in the frequency range 47.5 to 52 Hz and be able to deliver rated output in the frequency range of 49.5 Hz to 50.5 Hz The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point on any or all phases dips up to the level depicted by the thick lines in the following curve. The generating stations with installed capacity of more than 10 MW connected at voltage level of 33 kV and above – shall be equipped with the facility to control active power injection in accordance with a set point, capable of being revised based on directions of the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be; shall have governors or frequency controllers of the units at a droop of 3 to 6% and a dead band not exceeding ±0.03 Hz: Provided that for frequency deviations in excess of 0.3 Hz, the Generating Station shall have the facility to provide an immediate (within 1 second) real power primary frequency response of at least 10% of the maximum Alternating Current active power capacity; shall have the operating range of the frequency response and regulation system from 10% to 100% of the maximum Alternating Current active power capacity, corresponding to solar insolation or wind speed, as the case may be; Shall be equipped with the facility for controlling the rate of change of power output at a rate not more than ± 10% per minute. The generating stations of aggregate capacity of 500 MW and above shall have the provision to receive the signal from the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be, for varying active and reactive power output. The standards in respect of the switchyard associated with the generating stations shall be in accordance with the provisions specified in respect of ‘Sub-stations’ under Part III of these Standards. The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point, on any or all phases (symmetrical or asymmetrical overvoltage conditions) rises above the specified values given below for specified time — Schedule 2 Grid Connectivity Standards applicable to the Transmission Line and substation The transmission lines and substations connected to the grid shall comply with the following additional requirements besides the general connectivity conditions under these regulations and General Standards for Connectivity to the Grid. Bus bar protection shall be provided on all substations at and above 220 kV levels for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Local Breaker Back-up (LBB) protection shall he provided for all substations of 220kV and above. Two main numerical Distance Protection Schemes shall he provided on all the transmission lines of 220 kV and above for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Circuit breakers, isolators and all other current carrying equipment shall be capable of carrying normal and emergency load currents without damage. The equipment shall not become a limiting factor on the ability of transfer of power on the inter-state and intra-state transmission system. All circuit breakers and other fault interrupting devices shall be capable of safely interrupting fault currents for any fault that they are required to interrupt. The Circuit breaker shall have this capability without the use of intentional time delay in clearing the fault. Minimum fault interrupting requirement need be specified by the State Transmission Utility. The Circuit Breaker shall be capable of performing all other required switching duties such as, but not Ltd. to, capacitive current switching, load current switching and out-of-step switching. The Circuit Breaker shall perform all required duties without creating transient over-voltages that could damage the equipment provided elsewhere in the grid. The short circuit capacity of the circuit breaker shall be based on short-term and perspective transmission plans as finalized by the Authority. Power Supply to substation Auxiliaries, shall: For alternating current (AC) supply (Applicable to new substations) 220 kV and above: Two high tension (HT) supplies shall be arranged from independent sources. One of the two high tension supplies shall be standby to the other. In addition, an emergency supply from diesel generating (DG) source of suitable capacity shall also he provided. 66KV and below 220 kV: There shall be one HT supply and one diesel generating source. 33 kV and below 66 kV: There shall be one HT supply For direct current (DC) Supply (Applicable to new substations): substation of transmission system for 132 kV and above and substations of all generating stations: There shall he two sets of batteries, each equipped with its own charger. For substation below 132 kV: there shall be one set of battery and charger. Earth Fault Factor for an effectively earthed system shall be not more than 1.4. Transmission Licensee shall provide line Reactors as may be necessary after carrying out system studies to control temporary over voltage within the limits as set out above. The parties agree that Inter-Connecting Transformer (ICT) taps at the respective drawal points may be changed to control the Reactive Power interchange as per M/s.____________ request to the State Load Despatch Centre, but only at reasonable intervals.

or less. All generating machines irrespective of capacity shall have electronically controlled governing system with appropriate State speed/load characteristics to regulate frequency. The governors of thermal generating units shall have a droop of 3 to 6% and those of hydro generating units 0 to 10%. The project of the M/s.____________ / MSETCL s COMPANY shall not cause voltage and current harmonics on the grid which exceed the limits specified in Institute of Electrical and Electronics Engineers (IEEE) Standard standard 519. Generating Units units located near load Centrecentre, shall be capable of operating at rated output for power factor varying between 0.85 lagging (over-excited) to 0.95 leading (under under-excited) and Generating Units located far from load centers shall be capable of operating at rated output for power factor varying between 0.9 lagging (over-excited) to 0.95 leading (under-excited). The above performance shall also be achieved with voltage variation of +5+ 5% of nominal, nominal frequency variation of +3% and -5% and combined voltage and frequency variation of +5+ 5%. However, for gas turbines, the above performance shall be achieved for voltage variation of +5+ 5%. The coal and lignite based thermal generating units shall be capable of generating up to 105% of Maximum Continuous continuous Rating (( subject to maximum load capability under Valve Wide Open Conditionvalve wide open condition ) for short duration) duration to provide the frequency response. The hydro generating units shall be capable of generating up to 110% of rated capacity (subject to rated head being available) on continuous basis. Every generating unit shall have standard protections to protect project the units not only from faults within the units and within the station but also from faults in transmission lines. For generating units having rated capacity greater than 100 MW, two independent sets of protections acting on two independent sets of trip coils fed from independent Direct Current (DC) supplies shall be provided. The protections shall include but not be Ltd. limited to the Local local Breaker Back-up (LBB) protection. Hydro generating units having rated capacity of 50 MW and above shall be capable of operation in synchronous condenser mode, wherever feasible. Bus bar protection shall be provided at the switchyard of all generating station. Automatic synchronization facilities shall be provided in the MSETCL’s Project. The Reactive demand and Injections shall be in compliance with Clause 37.4 Maharashtra Electricity Grid Code (MEGC) 2020. The station auxiliary power requirement, including voltage and reactive requirements, shall not impose operating restrictions on the grid beyond those specified in the Grid Code code or state Grid Code code as the case may be. In case of hydro generating units, self-starting facility may be provided. The hydro generating station may also have a small diesel generator for meeting All the station auxiliary requirements for black start. The standards in respect of the substations associated with the generating stations shall be in accordance with the provisions specified in respect of ‘substations’ under Schedule 2 of these Standards. Existing Units For thermal generating units having rated capacity of 200 MW terms and above and hydro units having rated capacity of 100 MW and above, the following facilities would be provided at the time of renovation and modernization. Every generating unit shall have Automatic Voltage Regulator. Generators having rated capacity of 100MW and above shall have Automatic Voltage Regulator with two separate channels having independent inputs and automatic changeover. Every generating unit of capacity having rated capacity higher than 100Mw shall have Power System Stabilizer. All generating units shall have standard protections to protect the units not only from faults within the units and within the station but also from faults in transmission lines. The protections shall include but not Ltd. to the Local Breaker Back-up (LBB) protection. Schedule 1(B) Grid Connectivity Standards applicable to the Generating Units (Wind & Solar) Requirement with respect to Xxxxxxxxx, direct current (DC) Injection & flicker The harmonic current injections from the generating stations shall not exceed the limit specified in institute of Electrical & Electronics Engineers (IEEE) Standard 519. The generating station shall not inject DC current greater than 0.5% of the full rated output at the interconnection point. The generating station shall not introduce flicker beyond the limit specified in IEC 61000. Provided that the standard for flicker will come into effect from 1st April 2014. Measurement of harmonic content, DC injection and flicker shall be done at least in a year in presence of the parties concerned and the indicative date for the same shall be conditions mentioned in the connection agreement. For generating station getting connected on or after completion of 6 month Notification issued by Central Electricity Authority No.12/X/STD/(CONN)/GM/CEA/dt.21st Feb-2007 and as amended from date of publication of these regulations time to time shall be binding to M/s. MPSEZ Utilities Pvt Ltd will fufill all the criteria mentioned in the official gazette. The generating station shall be capable Notification of supplying dynamically varying reactive power support so as to maintain power factor within limit of 0.95 lagging to 0.95 leading. The generating unit shall be capable of operating in the frequency range 47.5 to 52 Hz and be able to deliver rated output in the frequency range of 49.5 Hz to 50.5 Hz The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point on any or all phases dips up to the level depicted by the thick lines in the following curve. The generating stations with installed capacity of more than 10 MW connected at voltage level of 33 kV and above – shall be equipped with the facility to control active power injection in accordance with a set point, capable of being revised based on directions of the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be; shall have governors or frequency controllers of the units at a droop of 3 to 6% and a dead band not exceeding ±0.03 Hz: Provided that for frequency deviations in excess of 0.3 Hz, the Generating Station shall have the facility to provide an immediate (within 1 second) real power primary frequency response of at least 10% of the maximum Alternating Current active power capacity; shall have the operating range of the frequency response and regulation system from 10% to 100% of the maximum Alternating Current active power capacity, corresponding to solar insolation or wind speed, as the case may be; Shall be equipped with the facility for controlling the rate of change of power output at a rate not more than ± 10% per minute. The generating stations of aggregate capacity of 500 MW and above shall have the provision to receive the signal from the State Load Dispatch Centre or Regional Load Dispatch Centre, as the case may be, for varying active and reactive power output. The standards in respect of the switchyard associated with the generating stations shall be in accordance with the provisions specified in respect of ‘Sub-stations’ under Part III of these Standards. The generating station connected to the grid, shall remain connected to the grid when voltage at the interconnection point, on any or all phases (symmetrical or asymmetrical overvoltage conditions) rises above the specified values given below for specified time — Schedule 2 Grid Connectivity Standards applicable to the Transmission Line and substation The transmission lines and substations connected to the grid shall comply with the following additional requirements besides the general connectivity conditions under these regulations and General Standards for Connectivity to the Grid. Bus bar protection shall be provided on all substations at and above 220 kV levels for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Local Breaker Back-up (LBB) protection shall he provided for all substations of 220kV and above. Two main numerical Distance Protection Schemes shall he provided on all the transmission lines of 220 kV and above for all new substations. For existing substations, this shall be implemented in a reasonable time frame. Circuit breakers, isolators and all other current carrying equipment shall be capable of carrying normal and emergency load currents without damage. The equipment shall not become a limiting factor on the ability of transfer of power on the inter-state and intra-state transmission system. All circuit breakers and other fault interrupting devices shall be capable of safely interrupting fault currents for any fault that they are required to interrupt. The Circuit breaker shall have this capability without the use of intentional time delay in clearing the fault. Minimum fault interrupting requirement need be specified by the State Transmission Utility. The Circuit Breaker shall be capable of performing all other required switching duties such as, but not Ltd. to, capacitive current switching, load current switching and out-of-step switching. The Circuit Breaker shall perform all required duties without creating transient over-voltages that could damage the equipment provided elsewhere in the grid. The short circuit capacity of the circuit breaker shall be based on short-term and perspective transmission plans as finalized by the Authority. Power Supply to substation Auxiliaries, shall: For alternating current (AC) supply (Applicable to new substations) 220 kV and above: Two high tension (HT) supplies shall be arranged from independent sources. One of the two high tension supplies shall be standby to the other. In addition, an emergency supply from diesel generating (DG) source of suitable capacity shall also he provided. 66KV and below 220 kV: There shall be one HT supply and one diesel generating source. 33 kV and below 66 kV: There shall be one HT supply For direct current (DC) Supply (Applicable to new substations): substation of transmission system for 132 kV and above and substations of all generating stations: There shall he two sets of batteries, each equipped with its own charger. For substation below 132 kV: there shall be one set of battery and charger. Earth Fault Factor for an effectively earthed system shall be not more than 1.4. Transmission Licensee shall provide line Reactors as may be necessary after carrying out system studies to control temporary over voltage within the limits as set out above. The parties agree that Inter-Connecting Transformer (ICT) taps at the respective drawal points may be changed to control the Reactive Power interchange as per M/s.____________ request to the State Load Despatch Centre, but only at reasonable intervalsCEA.