Answer Posted / chellappan s

It is thoritical and cannot be achieved. Acceptable value is 1 ohms for medium voltages by practice.
Still lower value may be archived by several methods where sentive equipments are to be earthed. It will be costlier.

What is the diff. between single compression and double compression gland

1517

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Explain what are inter-poles and why they are required in a dc machine.

621

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I completed my BE EEE degree 2006 .... which license should i apply .... ?????

1171

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what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?

1529

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what is LSR?

1712

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What is instrumental error?

685

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What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

1603

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Why is a synchronous motor always star connected??

2105

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we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

1570

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Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir

1425

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IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

3186

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what will happen if there is a voltage leakage or current leakage in an electrical train

1503

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How RTCC panel is working and give single line diagram for RTCC with transformer?

2635

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i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...

1381

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How to calculate cable size by using load.?? Any formula...

899

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