hello freinds what is advantage and disadvantage of plc again dcs?

2 Answers  

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What is the fuction of surge arrester and surge suppressor? Modern days line designes are based on which surge?

1 Answers  

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how give earthing to shif and aeroplane which is away from earth?

1 Answers   ABC,

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what is the range of using dol starter & star delta starter.

10 Answers  

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What are the necessary conditions for production of rotating magnetic field.

4 Answers   BARC,

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what is the main difference between simplex RTD and Duplex RTD?

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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plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in

0 Answers   HPCL,

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How voltage step down is done?

3 Answers   IOCL,

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In which reason, one end of CT secondry get connected with Earthed? Normaly S1 of CT. Why????

1 Answers  

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operation of protection relay watchdog contact?

0 Answers   L&T,

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Getting nusense tripping in a 11KV soft starter, have checked all it control supply & contactors but did not get any fault please help.

3 Answers  

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