What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?
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they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.
what do you mean electrical earth pit?
why transformer does not obey ohms low?
What is the function of the exiter in DG.
why dc power can not be used in transformer?
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Can we manually synchronize two DG sets of same ratings manually without using speed biasing ? If yes then how?
What is the type of electrical motor used in mining industries?
what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.
IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?
HOW TO CALCULATE THE ILLUMINATION IN INDOOR LIGHTING?
what is the main purpose of line PT and bus PT?
How to know the Max. current caring capacity of the cable by its size ?