how capacitor control the power factor/

2 Answers   ABB, Apollo,

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hi i am aziz electrical associate engineer. i am faceing problem in acs800 vvvf drive.it is tripping wothout any alarm/fault.i cheaked all parameters and fault function of drive, all are correct as well as communication parameters.but still it is tripping (drive is tripping in running position not in starting)

1 Answers  

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Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

2 Answers   Hydropower,

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why we are using KVA rating for transformer,not KWh rating?

5 Answers   NTS,

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What is the maximum load an electric engine can pull??

3 Answers   Oil India,

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HOW TO CALCULATE GROUND FAULT CURRENT IN 430V 4000AMP AIR CIRCUIT BREAKER?

2 Answers  

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What is Bolted fault?

0 Answers  

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If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.

16 Answers   BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,

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wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?

0 Answers   FLS,

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thermal power station operation in general

11 Answers   AJ Square Inc, Jindal, NTPC,

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what is residual current....

1 Answers  

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definition of transformer

10 Answers  

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