Answer / upenderb

if a dc supply is given to field winding due to inductive effect winding gets shorted and causes damage to the winding So to limit the current high resistance is used.But armature winding has the back emf facility to overcome this drawback

what will happen if a 3 phase motor is connected to a single phase circuit and vice versa?

3 Answers  

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difference bteween neutral grounding resistor and neutral grounding transformer??

1 Answers  

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ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

0 Answers   KBC, wbsedcl,

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how can we decide where we have to DYn11 or other vector group transformer

4 Answers   BSL, Knight Frank, Security Printing and Minting Corporation of India Limited,

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What is the principle of Excitation.

1 Answers  

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What is ac and dc drive.

1 Answers  

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what is meant by GOD in transmission system ?

6 Answers   Reliance,

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It is being often experienced that due to single phasing fault of any source transmission line of any closed loop synchronized circuit all the power transformers with primary stared trips but the power transformer with primary delta wont, why ?

1 Answers   MSEB,

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what is power factor? is it good or bad for a system? what will happen if power factor increase or decrease?

4 Answers   Bhel,

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what is the function and use of cable differential protection relay?

0 Answers  

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why florescent light was flickering?

4 Answers  

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What is the working mechanism of OLTC in Power Transformers????

0 Answers   KSEB,

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