why we r used DC megger insted of AC megger?
To test insulation , you build voltage across it continuously over a period ,which is possible with DC only
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how do we select a copper power cable for a 10 HP, 1440 rpm, 440V, 3 phase AC motor?
Describe the test procedure to determine the vector group
which circuit takes max. load & which circuit takes min. load i.e. SERIES CIRCUIT OR PARALLEL CIRCUIT??
what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY
I NEED THE CABLE SIZE. I=800A AND P=315KW
what is interlocing and what is the purpose of this?
what are different type of triping equipmen like MCB,MCCB and their differences
3 Answers ABB, Schneider, UPPCL,
What is the deference between earth fault & earth leakage
how to determine kilowatts (real power) is used in energy meter? is it apparent power effect the disk rotation?
what is real and reactive power?
what is the definition of a power transformer ?
The readings with a Multi meter are 15 Amps Phase Neutral 192,Phase Earth 194 and Neutral Earth 24 5 Amps Phase neutral 192, Phase Earth 153, neutral Earth 48
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