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RPC(Reactive power compensation) - Coggle Diagram
RPC(Reactive power compensation)
mode of operation
U -mode of operation
Q- moder of operation
HVDC Converter absorb reactive power upto 50 to 60% of active power
If power flow on HVDC line 1000MW it means require MVARs will be in range 400 -600
Reactive power absorption increase wtih increase in transmitted power
Reactive power compensation scheme has to take care of unbalances in AC system requirements, by switch in filter
Harmonic filters Installed on AC side for filtering of AC current ripples and for generation of reactive power
Reactive Power consumption
Regulation margin
Rectifier 12..5 to 17.7 by +LTC step
Commutation margin
Inverter (gamma) = 15 to 17 to reduce risk for commutation failure
Shunt Rector--2 on bb_1 and 2 pm bb-2 (60MVAR each)
compensate reactive power generation by ac filter
current phase shift
Due to delay of firing angle and due to commutation reactance
Reactive Power Generation -(2+2)-620MVAR &2480 MVARs
Shunt capactor band (2)--160MVAR
Harmonic filter (hp 12/24) at lahore ,at matari (Bp 11/13) HP(24/36) (150 MVARs)