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英译汉：generator
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考题
In a modern three-phase A.C. synchronous brushes generator, the excitation winding is on the rotor. That means .A.The generator need not excitation.B.The winding on the rotor is for inputting excitation current.C.There are three phase windings on the rotor.D.The generator has no brushes.
考题
单选题The purpose of DC generator brushes is to （）.A
neutralize armature reactionB
conduct electric current to an outside circuitC
convert DC current to AC currentD
provide excitation to a DC generator
考题
单选题A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an （）A
rotorB
statorC
exciterD
armature
考题
单选题When securing an AC generator, you should FIRST （）.A
open the generator circuit breakerB
switch the voltage regulator to “manual”C
decrease the field excitation to minimumD
reduce the load on the unit
考题
单选题A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided.This could be caused by（）A
an incorrect diesel generator governor speed droop adjustmentB
a faulty reverse power relay within the main circuit breaker assemblyC
unsynchronized isochronous load distribution adjustmentsD
a different speed setting on each unit
考题
单选题The initial voltage of self-excitation generator set up by（）A
residual magnetismB
voltage regulatorC
electrical current for excitationD
the other running generator
考题
单选题Which of the following should be the FIRST step in removing a generator from parallel operation?（）A
Trip the generator off the switchboardB
Turn off all electrical equipmentC
Remove the load from the off going generatorD
Increase the cycles of the generator staying on the line
考题
单选题In a modern three-phase A-Csynchronous brushless generator, the excitation winding is on the rotorThat means （）.A
The generator needs not excitationB
The winding on the rotor is for inputting excitation currentC
There are three phase windings on the rotorD
The generator has brushes
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