diff b/w elcb and rccb

0 Answers  

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why high speed tripping relay will be used in tripping circuit why not normal relay

0 Answers  

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TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?

0 Answers   ABC,

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Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

2 Answers   Sun Pharma,

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How can we get a Neutral from a three phase suply? If we meet all three phases at a point to take neutral then why dont thay get sparked?

1 Answers  

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What are the different pre-commissioning tests that are performed on the distribution transformer, power cable and switchgear (11kv)?

1 Answers   Hitech, Reliance,

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?

0 Answers   Coal India, Ghana Grid Company,

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what type of battery used for starting D.G?state its function?

2 Answers  

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i have dry type transformers can you help me that how many tests i can do to know the performence of transformer and also please tell me about the BDV test and Insulation resistance test in oil cooled transformers

4 Answers   Hyundai,

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what should be the value of proper neutral earthing resistance?

3 Answers   ABC,

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Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

0 Answers   Prism Cement,

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