Answer / jeeten r. more

no t not nessesory the dg earth grid connect with
electriicity board earth grid it can directly connect with
earth pit to protect the dg set.or it can series with
electricity board earth grid.

Answer / k.prakashchandra

To avoid harmful voltages due to loose connection and line
earth faults

what are the effects when the frequency is decreased in any ac machine

1 Answers  

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Why an ac systems are preferred over dc systems?

0 Answers  

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What is the difference between an insulator and a dielectric?

2 Answers  

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the electric traction poles having 3 cables n two cables touches with a insulator (or any) another one separated but it will be running 1-phase why?

4 Answers  

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sir , what happen if we decrease ( approx 3 inch ) the lenth of shaft in 110KW Induction , three phase motor. actually a 110KW motor is couppled with star couplling to 120TR compressor. When we doing maintenance in compressor it is required to skid the motor backword and resulting dis- alightnment . so we want to change the tyre coupling in place of existing coupling. so it is required to cut off the rotor aprox 3 inch form driving side.

2 Answers  

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What is the advantage and disadvantage of dry type transformer?

5 Answers   Bhel,

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why we dont store the ac power in battery?

1 Answers   TCS,

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difference bewteen reverse current and alternating current

0 Answers   ABB,

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If the kvar rating of capacitor bank is 600 kvar at 525V then what it's rating at 415v.

2 Answers  

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why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

0 Answers   ISRO,

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What do you mean by per capita requirement of electrical energy in india

0 Answers   Tech Mahindra,

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what is intermediate switch

1 Answers  

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