we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

0 Answers  

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what is the difference between Current transformer & Capacitive voltage transformer

2 Answers   ABB,

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what are the needs of electrical earthing.... other than protection?

5 Answers   Eskom,

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difference between fleming's left hand rule and RHR briefly.

3 Answers  

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1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

1 Answers   Power Grid,

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Pls explain about vfd control?Where it is used, Give some example?

3 Answers   Siemens,

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Hello sir. if u have electical engineering exam paper then plz mail me at bhumika_1187@yahoo.co.in. i m appearing exam for HPCL.

1 Answers   HPCL,

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how to find three phase complex power in per unit and MVA?

0 Answers  

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STATE WORKING OF VACCUM CIRCUIT BRAKER?

0 Answers   ABB, BEML,

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What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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1)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell

1 Answers  

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How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

0 Answers  

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