题目内容

The active power distribution between two generator sets running in parallel is ( ) the speed droop coefficient.

A. proportional to
B. reciprocal to
C. irrelevant with
D. times square to

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For two generators running in paralel, the 1# generator shares much less active power than 2# generaor. We should ( ) to make the active power is distributed evenly.

A. decrease the prime mover oil throttle of # 1 generator and increase the prime mover oil throttle of # 2 generator
B. increase the prime mover oil throttle of # 1 generator and decrease the prime mover oil throttle of # 2 generator
C. decrease the excitation current of # 1 generator and increase the excitation current of # 2 generator
D. Increasing the excitation current of # 1 generator and decreasing the excitation current of # 2 generator.

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To keep network frequency and voltage fixed basically, the correct disconnecting operation is ( ) for two generators with same capacity .

A. first increase oil throttle of remaining generator, then decrease oil throttle of disconnecting generator
B. first decrease oil throttle of disconnecting generator, then increase oil throttle of remaining generator
C. decrease oil throttle of two generators at the same time
D. decrease oil throttle of disconnecting generator, increase oil throttle of remaining generator, at the same time

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For two generators running in parallel, we can adjust ( ) to change active power distribution, adjust ( ) to change reactive power distribution.

A. exciting current/ oil throttle of the prime mover
B. exciting current /AVR
C. oil throttle of the prime mover / governor
D. oil throttle of the prime mover/ exciting current

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For two generators running in paralel, the 1# generator shares much more active power than 2# generaor. We should ( ) to make the active power is distributed evenly.

A. regulate 2# governor servo motor to “fast” direction, 1# remains the same
B. regulate 2# governor servo motor to “slow” direction, 1# remains the same
C. regulate 2# governor servo motor to “fast” direction, regulate 1# governor servo motor to the opposite direction
D. regulate 2# governor servo motor to “slow” direction, regulate 1# governor servo motor to the opposite direction

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The active power distribution between two generator sets running in parallel is ( ) the speed droop coefficient.

A. proportional to B. reciprocal to C. irrelevant with D. times square to

For two generators running in paralel, the 1# generator shares much less active power than 2# generaor. We should ( ) to make the active power is distributed evenly.

To keep network frequency and voltage fixed basically, the correct disconnecting operation is ( ) for two generators with same capacity .

For two generators running in parallel, we can adjust ( ) to change active power distribution, adjust ( ) to change reactive power distribution.

For two generators running in paralel, the 1# generator shares much more active power than 2# generaor. We should ( ) to make the active power is distributed evenly.

A. proportional to
B. reciprocal to
C. irrelevant with
D. times square to