Answer / mohamed sabry

No, because it can't contain the arc if opened under load
or short circuit.

Differentiate between digital phase converter and ordinary phase converter.

0 Answers  

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what will happen if frequency is below 50 hz?

0 Answers   Student,

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what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

0 Answers   TATA,

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Single line diagram for dbb (double bus bar)system.

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how to reverse the direction of universal motor?

2 Answers   Finolex, JGT, TATA,

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different between grounding & earthing?

23 Answers   L&T,

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8 Answers  

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why transformer neutrol is grounding

6 Answers  

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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what is differance between dirty earthing and clean earthing and their applications

2 Answers   CB&I Lummus,

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