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POWER SYSTEMS

Power Systems
Breaking current is a ------------------ value?

 average
 RMS
 any of the above
 maximum

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
If the fault is very nearer to the generator, the fault current is

 any of the above
 larger
 less
 zero

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Power Systems
A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt?

 2.63 msec
 9.68 msec
 4.68 msec
 1.47 msec

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt?

 9.68
 4.68 msec
 1.47 msec
 2.63 msec

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ?

 X" > X' < X
 X" < X' < X
 X" < X' > X
 X" > X' >X

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