The alternating current generator supplying a load has a voltage drop resulted from the loadWhen the load has a lagging power factor this voltage drop ().
相似题目
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The star formation is most commonly used and requires() on the alternator.
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The output voltage of a three-phase alternator is regulated by the ().
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The starting current of an a-cmotor is () the rated current.
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The frequency of an alternator is controlled from the main switchboard by adjusting the()
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On the other hand, alternative fuels do have().
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The operation of () two alternators requires the voltages to be equal and also in phase.
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() is provided to alternators, in the event of prime mover failure to ensure that the alternator does not act as a motor.
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The field coils() and the armature is()This is in fact the arrangement adopted for large, heavy duty alternators.
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Possible phase relationships between voltage and current in an alternating current circuit include which of the following conditions?()
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An alternator switchboard has a synchroscope and synchronizing lamps, if the synchroscope is broken, which of the steps listed is the most essential before an alternator can be paralleled with the bus ()
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In an alternating current electrical system, a low system power factor is a direct sign of ()
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With No~1 and No~2 alternators running in parallel and the KW loads equally shared, one alternator is drawing much higher current than the other.What does this indicate?()
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The division of kilowatt load between two paralleled alternators is determined by the ()
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The operation of paralleling two alternators requires the voltages to be ()and also in phase.
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The frequency of the alternating current generated by a synchronous generator is governed by the speed and the()
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Which of the following components are used to convert alternating current produced in the generator windings to direct current?()
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The frequency output of an operating alternator is controlled by the ().
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The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.
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Is there a viable alternative the present system?
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What is the implying meaning of “Alternative Rock”?
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A major concern for the viability of current alternative fuels is the _____ needed to produce the required materials.
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What is the alternative name of the World Bank?
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With No.1 and No.2 alternators running in parallel and the kW loads equally shared, one alternator is drawing much higher current than the otherWhat does this indicate?
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Two parties of the US alternate in governing. The two main parties are___()
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