BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

ee. AVR failure xff. Emergency Trip (Manual) x xgg. Fire x xThe above alarms shall be indicated individually, and arranged formanual resetting and remote acceptance.8.4 GAS TURBINE GENERATING REMOTE UNIT CONTROL [HMI(industrial grade), Computers]The bench board type remote unit control panels shall be provided so as to allowthe following minimum features of remote operation, indications and alarms.(1) Start the unitThe operation shall bring the unit automatically through all the stages of start upand synchronize the generator to the system, and taking the load.(2) Stop the unitThe generator shall be automatically unloaded, tripped off the circuit breaker andthe turbine shutdown.(3) Active load controlActive load raise or lower control shall be connected to the governor speed controlcircuit.(4) Reactive load and voltage controlReactive load and voltage raise or lower control shall be connected to thegenerator AVR system.(5) Base load / peak load selection(7) Emergency stop8.4.1 GAS TURBINE GENERATING UNIT REMOTE CONTROL SWITCHTile following control switches shall be provided, but not be limited to, on theremote unit control panel.a. Unit start / stopb. Active load raise / lowerc. Voltage raise / lower (Reactive load control)d. Mode changeover base / peake. Fuel changeover base / loadf. Synchroniser switch manual / off / autog. Generator operation modeGhorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)82