Which type of motor is used in trains, what is the rating of supply used explain working principal?

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Difference Between Isolator and Mcb

13 Answers   VHB Medi Life Sciences,

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What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

0 Answers   Haldia,

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What are the factor to be consider for CT selection in 132kV substation?

0 Answers   ABB,

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

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dielectric strength of vacuum is greater than SF6 but for 132Kv uses sf6 breaker & for 33kV uses vaccum breaker why such a contradiction?

2 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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please tell me formula of 3 phase induction motor under condition{1]when we 3 phase motor starts without load in star or delta connection?thanks

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Can you use a different size cable to complete a circuit if you run out what you are using?

2 Answers  

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Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 Answers  

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what is the diffrence between kav and kvar?

5 Answers  

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if two bulb of 50w &30w apply in series having 230v the which bulb glow bright ,why

10 Answers  

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The DC current waveform is - . What about the fire alarm waveform?

1 Answers  

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