WHAT ARE THE BELT HORMONICS IN AC MACHINE HOW TO REDUCE IT

2 Answers   DRDO,

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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 kinds of decision are made about CT from it's Knee point(voltage & current)?

2 Answers  

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explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

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How much current does a motor take in no load condition?

6 Answers  

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Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

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Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

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hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

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What causal system?

1 Answers   NTPC,

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i want to know about for what reason we are using star delta starter? how it works? what are the advantages?

4 Answers  

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what is vtg limit of earth and neutral at transformer side?

0 Answers   IOCL,

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what voltage to be select in megger for insulation resistance testing to L.V , H.T cables,motors and transfomer?and ohms valve should be giga ohms only or what?

1 Answers   Deevya Shakti Paper Mills,

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