IDMT relay are mostly used for protection against..??? 1)Earth Fault 2)Inter turn fault 3)Overloading 4)None of the above

1 Answers   Indian Railways,

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If in a 3 phase supply if the load current is 200A what value of current the each phase R,Y & B will carry?

5 Answers  

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why rating of motor in HP?

11 Answers  

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what is the meaning of improving the power factor (give technical ans not therotical)

2 Answers  

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quantizer means?

0 Answers  

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how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

0 Answers   ONGC,

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Please mention available current rating for MCB,RCCB,MCCB in the market or any website

1 Answers   ETCO,

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As we know multiplicity factor derivation equation is as below MF = main c t ratio / main p t ratio * meter c t ratio / meter p t ratio * meter dial constant Where in digital meters for HT kwh import export now a days meter constant are calibrated already which is 1 So my question is For HT 11kv 110 v line values are as below Main c t and p t ratio are 11000 v and 110 v and 20/5 means 20 amp and 5 amp Now meter values are 11000/√3/110√3 and primary and secondary amp are displayed as -/5 amp on kwh meter so what will be the MF for this meter ?

1 Answers   NEPC,

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What is difference between safe PLC and normal PLC

0 Answers  

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How to Calculate the Fault Level of Electrical Installation

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What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?

0 Answers  

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what is the difference between switch yard to residential area.and how much required it.

0 Answers   GVK,

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