what type circuit breaker is suitable for connecting 1000A load VCb,Mccb?

5 Answers   Gridco,

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a voltmeter shows 100v..wat is to be done to make it read 150v.

7 Answers  

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how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

0 Answers  

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1)What will happen when 240 VDC supply is connected to 240VAC supply(DC supply +ve is connected to phase of AC supply & DC supply is to neutral of AC supply). 2)Also what will happen when 240 VDC supply is connected to 240 VAC supply in reverse polarity as of Sr. No 1.

2 Answers  

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why permanent magnet generator have higher frequency of 400hz

3 Answers   Jaypee,

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Why is the electric shock from the DC supply is more dangerous than the shock from AC supply.

8 Answers   IBM,

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Can we pass 11kv power in 1.1kV voltage grade cable.If not why?.

3 Answers  

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i have 28/32 MVA power transformer with 11/6.6 KC voltage rating and 12%impedance.it have star connection at both side.but it have another thied winding tertiary winding.what is used of this winding. pl tell me

7 Answers  

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if a damaged 500kva transformer with %impedance 2.6 is replaced by two transformers of 250Kva with different % impedance will they be able to catter the load. what will be the ratio of load on the two transformers if the % impedance is in the ratio 1:2

2 Answers   Siemens,

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How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

1 Answers   JLL,

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What is the types of HT motor testing

0 Answers   ABB,

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Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

1 Answers  

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