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(Solved): For a given power system, a single line to ground fault occurred at phase A at a certain bus in the ...



For a given power system, a single line to ground fault occurred at phase

A

at a certain bus in the system. This fault led to different currents in the phases and unbalanced conditions. Figure (2) shows the connected sequence diagram that represents the fault condition. i. Calculate the sequence currents

I_(0),I_(1)

and

I_(2)

. ii. Calculate the three phases fault current

I_(A),I_(B)

and

Ic

. iii. If the faulted bus was the motor bus in question 3, calculate the actual fault current.



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