Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole

1 Answers  

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State the function of control rods used in nuclear reactor

1 Answers  

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage

4 Answers   Gannon Dunkerley,

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in most industies hormonics present up to some level. what is limit ? and there effect?

4 Answers   Bhel,

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how netral CT is selected (including its details specification)

8 Answers   ABB, ABC, dbpl, Mecon, Shree Engineering, Tapasya Transformers,

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Two CTs 1600/1 and 35/1 are in series. while checking the ratio test of a CT(1600/1),same 1600A will also pass through the CT having ratio 35/1. Will it be harmfull to the ct(35/1),if yes , what will happen.CT secondary is shorted

3 Answers  

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what are the main Parts of VCB

1 Answers  

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What is Traction? 1KVA Alternator, How much urrent taken?

0 Answers   Bhel,

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what should be the minimum rating for using HT Motors?

1 Answers   BSL,

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What is the calculation for 1000Amps Air circuit breaker relay settings.

1 Answers  

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what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

6 Answers   Lucas TVS,

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I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

0 Answers  

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