why the substation require din electrical system?

1 Answers  

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condider as 100 w lamps glowing . for completing a one unit how much time it should glow

3 Answers   Avalon,

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please explain power factor in simple words.....

3 Answers  

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What is your favorite aspect of the engineering field?

1 Answers  

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Why substation battery room is coulered black?

1 Answers  

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I want to wire sizing calculator which website is available it

1 Answers  

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what is linear motor?

2 Answers   Lucas TVS, wbsedcl,

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How does CT can measure the high value DC current?

4 Answers  

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What happens when generator is running with leading power factor on it say -0.96. what are the effects of it on alternator and the other generators operating in parallel to it.

2 Answers  

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what is static excitation and dynamic excitation of synchronous generator,scr excitation is a brush or brushless excitation?

6 Answers  

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In Transformer testing at Shop test we normally test for vector group, open ckt.,short ckt. but what are the other test performed for transformer once it reaches at site.For e.g:if the transformer is dry having rating 1000KVA?

2 Answers  

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pls send previous bhel electrical papers

0 Answers   Siemens,

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