Answer / vijay

when you connect a supply of 220 V AC/DC to a battery of 20 V DC the first thing that there would a big flash and battery will blast, if the 220 V side as reliable fuse / breaker it will trip. Now if it is AC then the effect would be more severe because the electro chemistry of the battery is subjected to reversal at a very fast rate.

what is resver in electrical enginnering with answer

0 Answers  

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2 Diesel Generators 900KVA connected to the bus bar for essential load as an alternative for power taken from 11/440V 3KVA Transformer supplying this bus bar. my question here is in the event of power failure on 11KV side can I feed the power to 11 KV bus by using the same transformer as reverse feed, what will be the inrush current???

3 Answers   Ashok Leyland,

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What is the difference between single phase, 2phase, and 3 phase motors?

2 Answers  

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Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

1 Answers  

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Instrument connected to a single phase supply

0 Answers   Alstom,

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WHAT IS THE REASON OF CHANGE FREQUENCY IN DG SET AFTER FULL LOAD.

1 Answers  

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why solinoid coil used in tripping rely?and why not other type coil?

1 Answers  

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Which protection detects both AC and DC?

3 Answers   Megatron Solutions,

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what are the type of transformer?

4 Answers  

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What is the formula that shows relationship between voltage and speed in an induction motor

2 Answers  

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H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....

0 Answers   Essar,

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How can we get electric power from lighting ?

3 Answers   TATA,

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