What is PIR (pre inserting resistance) in 400kv EHV SF6 BREAKER? Why it use?

1 Answers   Adani,

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how to calculate kvar in Akiva

1 Answers  

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what is the reason of power development in synchronous generator due to saliency ?

1 Answers  

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We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 Answers  

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can u tell me the promotion from oiller to enginer

1 Answers  

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Two electronic energy meters are connected to seperate phase wires, but connected to a looped neutral. Are these going to function correctly?

8 Answers   DRDO,

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how we design a pannel to start 10HP motor with the help of star delta starter?

1 Answers  

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how do you find making current and breaking current of the circuit breaker

1 Answers  

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how test transfomer(3 phase75kva) by megger

1 Answers   HPL,

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what is the technical term when and alternator's prime mover fails.

3 Answers   DVC,

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why the earth terminal in three pin top is longer than rest of the two terminal and of bigger size?

6 Answers   BARC, MAHINDRA,

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PRV (Pressure relief valve) Trip with oil splash outside power transformers

1 Answers   Khan,

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