Why is a plain induction motor unsuitable for wide speed control?

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a 650 KVA diesel generator is 1500 rpm, voltage is 415V n full load amps is 805 something,when are applied load more than 400 amps it's voltage is dropping, what is the reasons...?

4 Answers  

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what is the earthing condition between earth & neutral.

6 Answers   ABB,

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What is the working principle of VFD

3 Answers   HCL,

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whatis mean by voltage?

7 Answers  

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Can I Drain A Oil For Sample When The Transformer is Running? (Charged)

2 Answers  

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What Happen When output Short of transformer

2 Answers   L&T, Saber Corporation,

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In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

0 Answers  

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how capacitor control the power factor/

2 Answers   ABB, Apollo,

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what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison line

1 Answers  

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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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electrical ques

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