how to interlock 3 nos MCCBs using under voltage coil.
please provide me circuit diagram?
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If we give 2334 A, 540V on Primary side of 1.125 MVA step up transformer, then what will be the Secondary Current, If Secondary Voltage=11 KV?
What is the limitation of kirchoffs law?
DC transmission
For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?
why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.
why two contacts(in series) are using in closing circuit
what is the voltage level which is used in transformer short circuit test
I need tnpsc AE Electrical question papers
2 Answers TNPSC Tamil Nadu Public Service Commission,
what is AH of battery
what is the significance of 3.5 core cable? or what does this half core mean and why is it required?
when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.
Why 36 KV LA is used in 33 KV Line and 9 KV LA is Used in 11 KV Line
1 Answers APTransco, Bhel, Wipro,