internal heat it can withstand
load it can carry continuously
load it is capable of supplying
overload it can carry for a specified time only
第1题:
The division of kilowatt load between two paralleled alternators is determined by the
A.amount of field excitation of the leading machine
B.load-speed characteristics of the governors
C.amount of field excitation to the lagging machine
D.type of alternator
第2题:
The power factor of an AC generator operating singularly is determined by the_______ .
A.connected load
B.prime mover speed
C.field excitation
D.generator's rated voltage
第3题:
The output voltage of a 440 volt, 60 hertz, AC generator is controlled by the
A.prime mover speed
B.exciter output voltage
C.load on the alternator
D.number of poles
第4题:
rotor
stator
exciter
armature
第5题:
neutralize armature reaction
conduct electric current to an outside circuit
convert DC current to AC current
provide excitation to a DC generator
第6题:
The frequency of an AC generator is controlled by the ___.
A.rheostat
B.governor
C.exciter
D.capacitor
第7题:
如何把脚本和结果放到load generator的机器上?
第8题:
The frequency of an AC generator is controlled by the
A.rheostat
B.governor
C.exciter
D.capacitor
第9题:
第10题:
droop
drop
dip
regulation