REACTIVE DROOP VS. VOLTAGE CONTROL
REACTIVE DROOP VS. VOLTAGE CONTROL
(OP)
We have 3 generators rated 30MW running in parallel not connencted to the grid. They are run in reaactive droop mode and not in speed droop. What does reactive droop actually mean. If one generator would trip, the load, both real power and var would increase on the other two generators. What would happen to the bus voltage and why. Is it possible for the AVR to adjust the voltage back to the normal level.






RE: REACTIVE DROOP VS. VOLTAGE CONTROL
If one unit were to trip the active and reactive loads will redistribute onto the remaining generators, assuming that they have capacity to accept the additional load. The voltage should recover quickly to nominal level.
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RE: REACTIVE DROOP VS. VOLTAGE CONTROL
Speed droop is a characteristic of the governor and reactive compensation adjusts the voltage so as to share the reactive current.
Bill
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