Answer / naveen

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To prevent the mal operation of a differentially connected relay while energizing a transformer, the relay restraining coil is baised with (a)second harmonic current (b)fifth harmonic current (c)third harmonic current (d)seventh harmonic current

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Why Generator rotate only clock wise ?

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How to parallel a alternator without using synchro scope or lamp methods

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Why Dyn11 Transformer is selected for distribution transformer?

3 Answers   JK Associates, MSETCL Maharashtra State Electricity Transmission Co Ltd,

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how to operate and maintenance of 1500 kva diesel generator set

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1,Building containing 25 flats how much Amp 3 pole MCCB are required? 2, For the safey of each flat how many Amp RCCB can install -loaded with A/C

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how we calculate full load current of A.C & D.C Motors?

1 Answers  

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We have ONLINE UPS 15KvA (3PHASE 440V I/P,3PHASE O/P,440V) I want to step down from 440 to 220 V What to do. Pl. suggest with specification.

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how much UPS neutral erath leakage current.

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