What's voltage?

1 Answers   Pakistan Atomic Energy Commission PAEC,

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dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

1 Answers  

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A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

0 Answers   Ispat, Red Bull,

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why ht motors are star connected?

0 Answers  

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how tubelight circuit is connected and how it works?

7 Answers   Punj Lloyd Ltd,

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What is resonant frequency?

0 Answers  

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What is the deference between earth fault & earth leakage

1 Answers  

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What is CBCT ,why and whereit is used?

2 Answers  

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why motor run slow speed in star connection?explain how?

3 Answers  

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How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

0 Answers   MSP, Toyo Denki,

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a starter used for squirrel cage induction motor?

0 Answers  

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In Indian Railways , how the AC motor is driven? Please explain clearly starting from the overhead 25kV supply.

1 Answers  

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