where we use stardelta starter and dol starter

4 Answers   HCL,

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Can any body describe me why a soft starter is used for 6.6kv induction motor instead of VFD ?

1 Answers   Cairn,

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why mosquito bat makes noise when it hits with a insect?

2 Answers  

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What will be result if we connect LT votage to the terminal of HT motor?

0 Answers   Equate,

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SMPS (Switch Mode Power Supply) unit is denoted by KW or KVA?

6 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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How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

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What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?

0 Answers  

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What is the tolerence limit between neutral and earth in 230 V AC System?

7 Answers   NTPC,

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WHY RATING OF VCB NOT LESS THAN 630A

0 Answers  

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what is bjt & mosfet? what is rectifier & diode?

1 Answers  

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Difference between divercity and power factor

1 Answers  

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