what is numerical relay explain its operation

2 Answers   ABB,

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what will be the difference on output when 3phase I.M. is given a delta or star supply?

3 Answers  

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Why the vector group of excitation transformer in static excitation system is Dy5?

2 Answers   CSEB, SRF,

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Safety of dry type transformer

0 Answers   Icon,

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HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

0 Answers  

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how harmonics are generated due to nonlinear load & how harmonic filters work?

1 Answers  

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how we calculate torque ? how we improve it ?where torque will either motor or generator ?

0 Answers   Reliance,

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what will happen if the frequency supplied is more than the frequency of the instrument...?

3 Answers  

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how to discharge 3 phase power factor correction capacitors

0 Answers   M S Ramaiah Institute,

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Why neutral is not used in three phases dol starter

0 Answers  

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how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)

6 Answers   Bosch, NMDC,

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what is the necessary of using inductance property in transmission lines even through resistance is used to opposes the high current flows in that?????

0 Answers  

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