Which type of motor is used in trains, what is the rating of supply used explain working principal?

0 Answers  

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Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?

3 Answers   KSEB,

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Why DC Currents are not used in transformer?

4 Answers  

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What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

0 Answers  

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How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

0 Answers  

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Why diesel tank kept in 990 ltrs

1 Answers   Reliance,

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A resistor,inductor and capacitor are connected in series respectively.Voltage across resistor is 40v,across inductor is 70v,across capacitor is 100v.Then what is the total voltage applied across the elements?

5 Answers  

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What is a differential amplifier?

0 Answers  

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how to calculate the kw, Amps consumed by a capacitor, give me the formula for KVAr into capacitance,KVAr into KW & KVA, Amps

3 Answers  

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What is the maximum current carrying capacity for both copper and aluminium cables for 1sqmm?

2 Answers  

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Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

0 Answers  

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star delta starter single line digram

1 Answers  

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