how to calculate single phase motor efficiency ?

0 Answers   Bhel,

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what is the ideal earth resistance

11 Answers   Amit Enterprises, Enercon,

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why vector group is ued

2 Answers  

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What is the SPEED of electricity?

1 Answers  

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What's the difference between non break power supply and non break non short break power supply

0 Answers  

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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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what is mutual induction principle?

6 Answers  

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what is the meaning of servo motor. In trains, what type of the motors we are using at the bottom of each compartment

5 Answers  

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why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?

3 Answers   Matrix,

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WHAT IS M.P.C.B

3 Answers  

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how can u do the earthing of an aeroplane?

5 Answers  

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what is the difference between MCCB and SFU in terms of their application?

2 Answers   Secure Meters, Tata Teleservices,

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