what is the working principle of Brushed alternator ? without exictation how we can give dc supply to rotor ?

1 Answers  

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what is diffrence b/w -48vdc and +48vdc ?

1 Answers  

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what is the difference between earthed cables and unearthed cables

2 Answers   Bhel,

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what is importance of ka in mccb

2 Answers   ABB,

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What is the exact load current needed for a place which has 100nos of bulb of each 100w?

2 Answers  

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what will happen if ac motor given dc supply?

1 Answers  

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In Aeroplane what circuitry or method use for earthing?

9 Answers   Bhel, EDA, Wind World,

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I NEED RRB CHENNAI (JE ELECTRICAL) QUESTION PAPER FOR LAST 5 YEAR AND I NEED RRB (JE ELECTRICAL) SYLLABUS.PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

12 Answers   DFM, Hindustan Unilever Limited, JE, Pace, RRB,

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Can we parallel lise the secondary side of the two similiar transformers with same voltage ration, imp, but with different vector groups.. ( for ex. 11 KV / 6.6KV two trfs but different vector groups can we parallelise both of them ,, what happens if we parallelise them

1 Answers  

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WHY FLEXI LINKS ARE USED INBETWEEN GENERATOR TERMINAL OUTPUT & BUS DUCT CONDUCTOR.

3 Answers  

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working of bulb?

1 Answers  

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what is th basic difference between a d latch time line and a d flip flop time line???

0 Answers  

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