What is different between MCB & MCC & isolator switch

1 Answers   Standard Chartered,

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how we can select a transformer based on a particular load. suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p & 100 h.p. then what rating of transformer we can select. urgent. pls reply

6 Answers  

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how is the testing of an REF relay? what are the test REF circuit having?

0 Answers   Siemens,

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it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high

2 Answers   DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,

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whats the advandage of PMG in alternator?

2 Answers  

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what is the difference betweem star connected motor & delta connected motor?

0 Answers  

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what is potentiometer & rheostat

3 Answers  

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what is advantage of providing taping on HT side?

4 Answers  

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why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 Answers   Qatar Gas,

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No load tap changing transformer working

0 Answers  

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Why D.C Voltage used in Meggering...as well as in Hipot test? why not A.C?

2 Answers  

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What is d diff. btw MCB & MCCB???

1 Answers   Emerson,

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