Answer / sundar

Dc system direct current or direct voltage system.This is getting pulse depend from incoming source.
Single phase system giving pulse positive and negative pulse but positive single pulse only negative ground.Two phase system giving four pulse ..
Negative pulse like ground.If you touch negative when circuit is not closed no effect?O effect?

Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

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What is the maximum current carrying capacity for both copper and aluminium cables for 1sqmm?

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Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

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how can we run the induction motor at 9000 rpm ,by keeping frequency constant??

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please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5

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I know the Capacitor value- 12.5KVAR, voltage 440V gas filled, then what is the formula for calculate the microfarad value for this 12.5KVAR capacitor

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What is the function of Buchholz relay in transformer ?

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what is the function of RMU?

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

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Give some differences between open loop and closed loop?

0 Answers   Ericsson,

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What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

1 Answers  

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