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Governor droop is provided on a generator so that

  • A.the machine can be synchronised without a synchroscope
  • B.the reactive power can be adjusted from the control desk
  • C.several machines can share a change of load stably
  • D.the machine can hold the system frequency exactly by itself

Answer: C

A falling speed-power characteristic lets each machine take a share of a load increase in proportion to its droop setting. An isochronous machine holding frequency exactly cannot share load with another of the same kind.

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