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.

In case of power/distribution transformer what is percent impedence?

1 Answers  

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what are advantage and disadvantage of hvdc transmission . please tell us technic of hvdc technology

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33kv substation lay out details & line to line & line to earth measurements

0 Answers  

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in single phase circuit if i connect a heater between phase and neutral, then what will be the current path? phase to neutral or neutral to phase.

4 Answers  

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what is EIB lighting control system? what is the advantages of this system?

0 Answers  

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Compare jfet’s and mosfet’s.

0 Answers  

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if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

0 Answers  

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

0 Answers  

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with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....

0 Answers   Divis Laboratories,

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WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

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Can we convert off line transformer to on line transformer

0 Answers   NHPC,

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In DC motor,the field MMF is given by NI.N-no.of field winding turns,I-excitation and both are constant.Then how could the main flux decreases due to armature reaction.

4 Answers   Bhel, IBM,

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