Automatic Control Service Type Sample Clauses

Automatic Control Service Type. As defined in II.3.3 a) and Annex 5, a Sensitivity Coefficient is determined by Xxxx in the contract following discussions between Xxxx and the VSP. This Sensitivity Coefficient defines the relation between the Grid Voltage and the Reactive Power produced or absorbed at the Service Measurement Point which is by default the Access Point or the Interconnection Point. If, for any reason due to the local grid, this coefficient cannot be determined at the Access Point, Xxxx and the VSP will put everything in place to be able to find an alternative solution for the provision of de Service. Based on the discussions with the VSP, Xxxx may:
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Automatic Control Service Type a) Pursuant to Art. II.3.10, each Controlling Technical Unit must be able to adjust its Reactive Power production or absorption automatically in the event of Grid Voltage variation at its Service Measurement Point, in accordance with the relative Sensitivity Coefficient αeq as defined in Annex 1.
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Automatic Control Service Type. The Automatic Control Service Type reaction of a certain Technical Unit is determined by the Grid Voltage and by the Technical Unit’s capacity to react to it according to its relative Sensitivity Coefficient (αeq). MVAr’s requested are considered to be MVAr’s that are produced or absorbed when the Grid Voltage deviates from Vstartup (as defined in the present Annex). Vstartup is the average Grid Voltage value of the quarter hour following the quarter hour during which the unit started up for the last time (meaning the last moment in time where the Technical Unit’s Pmeasured started to exceed its Minimum Active Power Threshold in Injection, in Offtake or in Compensator Mode (Pmin in Figure 2) as agreed in Annex 1). Vstartup is also reinitialized at the quarter-hour following the quarter-hour in which a manual Setpoint is requested using the Grid Voltage measured at this quarter-hour. Vstartup, together with αeq characterize the Technical Unit’s droop curve. Figure 2: Example of calculation of Vstartup in function of the evolution of P(t) To avoid propagations of errors when computing the Reactive Power Requested, 𝑄𝑖𝑛𝑖𝑡𝑖𝑎𝑙 and Vstartup are also initialized everyday at 00:00 for Technical Units whose Active Power injection or offtake is above the Minimum Active Power Threshold in Injection, in Offtake or in Compensator Mode at this time, using respectively the Reactive Power and the Grid Voltage measured during the first quarter-hour of each day.
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Automatic Control Service Type. The Automatic Control Service Type reaction of a certain Technical Unit is determined by the Grid Voltage and by the Technical Unit’s capacity to react to it according to its relative Sensitivity Coefficient (αeq). MVAr’s requiredrequested are considered to be MVAr’s that are produced or absorbed when the Grid Voltage deviates from Vstartup (as defined in the present Annex). Vstartup is the average Grid Voltage value of the quarter hour during which the unit started up for the last time (meaning the last moment in time where the Technical Unit’s active powerActive Power injection or offtake value exceededstarted to exceed its Minimum Active Power Threshold (Pmin in Figure 2) value as agreed in Annex 1). Vstartup is also reinitialized at the quarter-hour following a Setpoint change request using the voltageGrid Voltage measured at this quarter-hour. Vstartup, together with αeq characterize the Technical Unit’s droop curve. Formatted: Bulleted + Level: 1 + Aligned at: 2,63 cm + Indent at: 3,27 cm o o Figure 2: Example of calculation of Vstartup in function of the evolution of P(t) Qreq_rem shall be calculated by the following formula:  For Controlling Technical Units: o During qh where no setpoint is received by the technical unit = − ( ()−)∗∗0,45∗ℎ_ + (1) _ _ o During qh during which a setpoint is received by the technical unit _ = _ (2)  For Non-controlling Technical Units: _ = _ Where: o GV(t): the average value of the Grid Voltage measurement at the Service Measurement Point for the specific quarter-hour controlled; o Vstartup: as defined in the present Annex; Field Code Changed o Qreq_manual: the last Setpoint change value communicated by Xxxx as described in Annex 8. : To avoid propagations of errors when computing the Reactive Power Requested, and Vstartup are also initialized everyday at 00:00 for Technical Units whose Active Power injection or offtake is above the Minimum Active Power Threshold at this time, using respectively the Reactive Power and the Grid Voltage measured atduring the first quarter-hour of each day.
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