Answer / heeth

usually power transformers are designed to run at an
optimum efficiency nearing to full load rating. So usually
power transformers are loaded around 90% of their rated
value..

current and voltage equations for a star connected load fed from a delta connected load.

1 Answers  

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can any one know is sbi interview based on merit or based on roll number

0 Answers  

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bitumar

0 Answers   Bhel,

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how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

1 Answers  

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During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

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What we mean by vintage of an engine+Generator?

0 Answers  

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What is Plank's Law?

0 Answers   Godrej,

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draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

1 Answers  

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What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

0 Answers   Glenmark,

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What is a doble test

1 Answers   KPSC Karnataka Public Service Corporation,

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What is Earthing?

16 Answers   Essar,

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Why can't we take NO LOAD TRIAL of motors having V1 mounting??

0 Answers  

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