Insulation Coordination. 1.4.1. Equipment connected to the transmission system shall be protected against lightning and switching surges. This shall include station shielding against direct lightning strokes, surge protection on all wound devices, and cable/overhead interfaces.
Insulation Coordination. The system design parameters for substations/switchyards shall be as given below: Sl. No Description of parameters 400/220kV Fatehgarh-4 P.S. Extn. of 400kV Fatehgarh-3 P.S. 400 kV System 220 kV System 400 kV System
Insulation Coordination. The system design parameters for substations/switchyards shall be as given below: S. No . Description of parameters 220/132kV Nangalbibra S/s (new) 220kV Bongaigaon (GIS) s/s extn 220 kV System 132 kV System 220 kV System
Insulation Coordination. The system design parameters for substations/switchyards shall be as given below: Sl. Description of 765/400 kV Sirohi 765 kV Extension No parameters s/s Fatehgarh-IV of 400 kV (section-2) Chittorgarh (PG) 765 kV 400 kV 765 kV 400 kV System System System System 1. System operating voltage 765 kV 400 kV 765 kV 400 kV 2. Maximum voltage of the system (rms) 800 kV 420 kV 800 kV 420 kV 3. Rated frequency 50 Hz 50 Hz 50 Hz 50 Hz 4. No. of phases 3 3 3 3 5. Rated Insulation levels
Insulation Coordination. The system design parameters for substations/ switchyards shall be as given below: Sl No Description of parameters 765 kV Sikar – II Extn. 765kV Bhadla-II Extn. 765 kV System 765 kV System
Insulation Coordination. The system design parameters for substations/switchyards shall be as given below: Sl. No Description of Parameters Extn. of 400/220 kV Jam Khambhaliya PS (GIS) 400 kV System 220 kV System 1. System Operating Voltage 400 kV 220 kV 2. Maximum voltage of the system (rms) 420 kV 245 kV 3. Rated Frequency 50 Hz 50 Hz 4. No. of Phases 3 3 5. Rated Insulation levels
Insulation Coordination. The system design parameters for substations/switchyards shall be as given below: Sl. No. Description of parameters 765/400 kV Jamnagar (GIS) Extension of 400 kV Jam Khambhaliya (GIS) Extension of 765 kV Halvad (AIS) 765 kV System 400 kV System 400 kV System 765 kV System 1. System operating voltage 765 kV 400 kV 400 kV 765 kV
Insulation Coordination. Interconnection Customer shall coordinate the insulation level (BIL) of all interconnection facility equipment with the Transmission Provider and the over-voltage protection shall have Maximum Continuous Operating Voltage (MCOV) ratings consistent with expected system operating voltages. Special attention shall be given to MCOV ratings on systems subject to delta operation.
Insulation Coordination. The system design parameters for substations/switchyards shall be as given below:
Insulation Coordination. The system design parameters for substations/switchyards shall be as given below: Sl No Description of parameters Extn. of 400kV existing Khandukhal (Srinagar) Extn. of 400 kV existing Rampura (Kashipur) 400 kV System 400 kV System
