Power Systems
The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is

 j6 pu
 j9 pu
 j3 pu
 j1 pu

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Power Systems
In order to have lower cost of power generaion

 the load factor should be low but diversity factor should be high
 the load factor should be high but diversity factor should be low
 the load factor and diversity factor should be low
 The load factor and diversity factor should be high

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