What happen in ups if phase reverse?
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explain Xmer
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why put integration for capacitorand differation for inductance
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what is the diff between earth leakage relay and earth fault relay?
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why scott connection is done why not two phases are directly picked at the output of 3 phase transformer??
what is the use of sdf?
write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.
How we select the cable rating