how we can calculate earth fault current?
Answer / k.prakashchandra
Divide phase voltage by impedance in the circuit.
Is This Answer Correct ? | 2 Yes | 1 No |
WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ
any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.
3 Answers College School Exams Tests, Jindal Steel and Power, JIOL, NEC,
why we are using large cross section cable at load side and small at other (11kv to trsfr)side of transformer? when the load increses current at both side increases,right?
Can someone tell me how to calculate the size of a power cable? What are the factors involved in cable sizing?
1]how the voltages and frequency are achieved on ships. 2]how does the line and phase voltages are related on ships.
why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?
what is vcb & working principal
Whot is the braking capacity for MCCB. How we select different braking capacity.
What's voltage?
1 Answers Pakistan Atomic Energy Commission PAEC,
I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?
What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?