Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

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What is Harmonics & what are its efect & which harmonic is dangerous

5 Answers   IBM,

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state the working principle of incondenscent tube?

0 Answers  

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PLZ SEND ME SOME UNIQUE PROJECT OF ELECTRICAL ENG (B.TECH)

0 Answers  

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how to calculate efficiency of voltage and current controlled welding transformer?

1 Answers  

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How can calculate the efficency of the rectifier. input 240V AC, current 5 amps,P.F 0.98, Output is 54 V DC,62.6 A.

10 Answers  

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How can we measure and monitor critical performance parameters of Diesel Generator Sets, both electrical and engine ?

3 Answers   Cologicx Systems,

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defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

0 Answers  

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What is synchro?

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Witch do depand of Power factor and theory of power factor?

0 Answers  

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A wattmeter is marked 15 A/30A, 300V/600V and its scale is marked up to 4500 watt. When the meter is connected for 30A, 1600V, the pointer indicates 2000 watts. The actual power in the circuit in

1 Answers   Jindal,

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What would be the size of wire used for 2 Ton of window A.C?

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