Why we not use the impedance relay in protection of short transmission line ?

4 Answers  

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

0 Answers  

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corona happens more in summer or winter?

3 Answers   MAHINDRA,

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what is the difference between effective earthing and resistive earthing?

3 Answers   REL,

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What are the voltages at which electrical energy is transmitted

7 Answers   KSEB,

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is this the formula of building wiring to get the main breaker.Watts/volts*.8%+higher motor*(25%)=ampere. yes or no or send the correct formula for building wiring.

0 Answers  

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Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

0 Answers   Legrand,

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What is the suitable rating of MCB for 1.5 Ton A.C and why? 1Ton= how many amperes?

5 Answers   BARC,

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why a bulb glow when connected with two end phase and neutral respectively.

1 Answers   ACME,

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what are safety measures in /control in diesal engine/ explain them?

0 Answers  

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What is emperical relation.Name few of them which are used in electriacl engineering?

1 Answers  

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Equal resistance of 100ohm each are connected to the arms of whestons bridge, which is supplied by 2v battery. The galvanometer can sense a current low as 1microAmp. What is the smallest resistance that can be measered.

1 Answers   GATE,

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