what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers  

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What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

0 Answers  

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230v 1 phase Phase and Neutral insert in Bulk water what happens.

1 Answers   IVRCL,

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define reactive power?

3 Answers   Alstom, TATA, TCS,

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why v/f ratio to maintain constant in speed control of induction motor?

3 Answers  

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In generating stations which we generate current or voltage if it is voltage then how it will convert to current and power?

2 Answers   NIT,

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i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,

0 Answers  

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explain how to protect high rise building from the risk of lighting.

1 Answers  

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Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

0 Answers  

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Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

0 Answers  

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Why in USA supply voltage parameters(230V,60Hz)are different,is there any advantage please brief.

1 Answers   APC, DRJ ARDE,

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errection check list for transformer maintenance

0 Answers   RRB,

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