Answer / bala

that is the path for leakage current and fault current to
reach the ground. earthing the equipment provides safety to
the people working near that equipment.

what is the meaning of osr in transformer.

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why v use only sodium bulb or orange color lights on streets, y nt CLF OR TUBE LIGHTS

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A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given. In the SLD, only one lightning arrestor(LA) was shown, but the purchase order had need of 3 LAs. Is this correct, if yes, why?

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What is VCC?

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WHAT IS RETARDATION TEST IN DC MACHINES?

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what is the generation action and motoring action?

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What are the advantages of speed control using thyrister?

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I decided to provide a 11KV / 440V Xformer in my Substaion. What are the protection required for that?

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what is diffrential relay used in generator plz give brief explanation

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if we give DC suply to the AC motor what hapen

5 Answers   TATA,

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Dear Mr B C pal...Can you plz. put some light on principle of operation of Z-Ct in conjunction to its use with 1Cx1000Sqmm HT Cables & Directional Ground Fault / Over Voltage Relays...Regd..Parag v K 9899115632

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For high voltage and low current Circuit Breaker preferred is vacuum circuit breaker.why?

1 Answers  

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