Answer / altaf tachi

Over current
Earthfault
Revers Power protection(if it synchronised with Bus)
Loss of excitation

Answer / amit bose

over current protection, earth fault protection, overload protection

Answer / raul

Over voltage, over current, over speed, reverse power, over flux, loss of excitation. These r d major protection required for a synchronous generator.

what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?

1 Answers  

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what is transformer?

4 Answers   Mphasis,

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what happen if i connect DYn11 and DYn1 vector group transformer in parrallel?other things are same like votage ration,x/r ratiob etc...

4 Answers  

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The exciting current of a transformer is non sinusoidal. why?

2 Answers  

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electrical machines

3 Answers  

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method to check earthing

5 Answers   ECC,

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why D.C excitation is given to sunchronous motor?

6 Answers  

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parallel operation for tansformer which condition fill fil for that

11 Answers   ITC Infotech, Suzlon,

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What is full form of ELECTRICAL?

3 Answers   Changwoon, DP World, Electrical, GSS, HCL, ITI, L&T, Maruti Suzuki, MCC, SMR, Somany Ceramics, TRDP, Wipro,

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can we use breather in a SEALED power or distribution transfomer instead of injecting nitrogen.

1 Answers  

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which have higher efficiency transformer or induction moter

8 Answers   BARC,

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why double earthing is required for welding machine & electrical tools.

7 Answers  

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