Inject Ramp change of -0.5 Hz Ramp at 1 Hz/Second, hold for 1 second then +1 Hz ramp Completion time (t+10mins): 3 of 1 Hz/Second and maintain the frequency ____ injection for a minimum of 10 minutes Generator Test coordinator contacts CHCC and requests to remove the frequency simulation to 4 allow the unit return its pre injection load under governor action 5 Stop recording 6 Step completed 75% -0.5 Hz Ramp at 2 Hz/Second Event Step Action Comment Time Generator control room contacts CHCC and requests the following: Issue an EDIL Dispatch Instruction to bring 1 75% Load: ___MW the unit to XX MW (75%) Confirmation of the MW swing that will occur during the frequency injection Confirm data recording of signals as set out in 2 section 10 Inject Ramp change of -0.5Hz at a rate of 2 Hz Completion time (t+10mins): 3 per second and maintain the frequency injection ____ for a minimum of 10 minutes Generator Test coordinator contacts NCC and requests to remove the frequency simulation to allow the unit return its pre 4 injection load under governor action and coordinates details for next MW dispatch 5 Stop recording 6 Step completed 75% +0.5 Hz ramp at 1 Hz/Second hold for 1 second -1 Hz ramp of 1 Hz/Second Event Step Action Comment Time Generator control room contacts CHCC and requests the following: Issue an EDIL Dispatch Instruction to bring 1 75% Load: ___MW the unit to XX MW (75%) Confirmation of the MW swing that will occur during the frequency injection
3 Inject Ramp change of -0.5 Hz Ramp at 1 Hz/Second, hold for 1 second then +1 Hz ramp of 1 Hz/Second and maintain the frequency injection for a minimum of 10 minutes Completion time (t+10mins): ____ 4 Generator Test coordinator contacts CHCC and requests to remove the frequency simulation to allow the unit return its pre injection load under governor action 5 Stop recording 6 Step completed 75% -0.5 Hz Ramp at 2 Hz/Second Step Action Event Time Comment 1 Generator control room contacts CHCC and requests the following: Issue an EDIL Dispatch Instruction to bring the unit to XX MW (75%) Confirmation of the MW swing that will occur during the frequency injection 75% Load: ___MW 2 Confirm data recording of signals as set out in section 10 3 Inject Ramp change of -0.5Hz at a rate of 2 Hz per second and maintain the frequency injection for a minimum of 10 minutes Completion time (t+10mins): ____ 4 Generator Test coordinator contacts NCC and requests to remove the frequency simulation to allow the unit return its pre injection load under governor action and coordinates details for next MW dispatch 5 Stop recording 6 Step completed 75% +0.5 Hz ramp at 1 Hz/Second hold for 1 second -1 Hz ramp of 1 Hz/Second Step Action Event Time Comment 1 Generator control room contacts CHCC and requests the following: Issue an EDIL Dispatch Instruction to bring the unit to XX MW (75%) Confirmation of the MW swing that will occur during the frequency injection 75% Load: ___MW
RoCoF-Testing-Procedure.docx