Answer / guest

there is no need of two different winding you can also tap on
single winding as per auto transformer .

What do you mean by Transformer?

9 Answers   Hyundai, NTPC, wbsedcl,

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the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

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what is the difference between 2-phase and 3-phase?

1 Answers  

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We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?

5 Answers   Siemens,

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why neutral is required in electrical system

3 Answers   Bhel,

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what is voltage ?

7 Answers  

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what is the condition for YnD11

0 Answers   Bhel,

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Dear sir, iam completed iti ncvt electrician 2000-2002 & diploma electrical eng completed 2008-2010 distance education in rvd university, still i got B licences only but my working company want C licences, how to i get c licencese pls reply me iam in critical situation thank you karthick 9841637803

0 Answers  

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what is the main function of contactor?????

9 Answers  

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define reactive power?

3 Answers   Alstom, TATA, TCS,

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What are the various reasons for an inductin motor to get heated?

1 Answers   Monnet,

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what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers  

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