The WFPS CB shall be inhibited from closing (if the CB closes and WFPS clears all protection alarms and attempts to close trips immediately, it is not 8 the WFPS Transformer MV CB considered “inhibited”) WFPS CB: ____ Remove Black Start Shutdown Signal and return WFPS to Normal Operation The WFPS is returned to normal operation. NCC then issue a MW set-point to the WFPS to confirm this functionality has not been compromised by a loss of mains on site. Step Action Time Comments No. WFPS confirms the following with NCC: (Note. These are initial conditions for next step) 110 kV CB ____ ESBN 110 kV CB is CLOSED WFPS CB ____ WFPS Transformer MV CB is OPEN RCES status: ____ RCES is in the OFF (LOCAL) position Black Start Shutdown is ON 1 ON / OFF Blue lamp is ON in WFPS control room Grid Connected Transformer on load tap changer ON / OFF is in manual mode Automatic / Manual Grid Connected Transformer is on Energisation Tap Position Tap ____ Blue Lamp Status: ____ 2 WFPS puts the RCES into the ON (REMOTE) position 110 kV CB: ____ WFPS CB: ____ WFPS requests NCC to remove the replaced the RCES 3 signal in NCC WFPS requests NCC to remove the Black Start Shutdown 4 Blue Lamp Status: ____ command ESBN requests permission from NCC and closes the 110 5 110 kV CB: ____ kV CB if it is not already closed 6 WFPS closes the WFPS Transformer MV CB WFPS CB: ____ WFPS puts the Grid Connected Transformer on load tap 7 changer into automatic mode WFPS requests permission from NCC and starts up all MW output ramps at Wind 8 turbines Following Ramp Rate
8 WFPS clears all protection alarms and attempts to close the WFPS Transformer MV CB The WFPS CB shall be inhibited from closing (if the CB closes and trips immediately, it is not considered “inhibited”) WFPS CB: ____ Remove Black Start Shutdown Signal and return WFPS to Normal Operation The WFPS is returned to normal operation. NCC then issue a MW set-point to the WFPS to confirm this functionality has not been compromised by a loss of mains on site. Step No. Action Time Comments 1 WFPS confirms the following with NCC: (Note. These are initial conditions for next step) ESBN 110 kV CB is CLOSED WFPS Transformer MV CB is OPEN RCES is in the OFF (LOCAL) position Black Start Shutdown is ON Blue lamp is ON in WFPS control room Grid Connected Transformer on load tap changer is in manual mode Grid Connected Transformer is on Energisation Tap Position 110 kV CB ____ WFPS CB ____ RCES status: ____ ON / OFF ON / OFF Automatic / Manual Tap ____ 2 WFPS puts the RCES into the ON (REMOTE) position Blue Lamp Status: ____ 110 kV CB: ____ WFPS CB: ____ 3 WFPS requests NCC to remove the replaced the RCES signal in NCC 4 WFPS requests NCC to remove the Black Start Shutdown command Blue Lamp Status: ____ 5 ESBN requests permission from NCC and closes the 110 kV CB if it is not already closed 110 kV CB: ____ 6 WFPS closes the WFPS Transformer MV CB WFPS CB: ____ 7 WFPS puts the Grid Connected Transformer on load tap changer into automatic mode 8 WFPS requests permission from NCC and starts up all turbines MW output ramps at Wind Following Ramp Rate
WFPS-Black-Start-Shutdown-Test-Procedure.docx