what voltage to be select in megger for insulation resistance testing to L.V , H.T cables,motors and transfomer?and ohms valve should be giga ohms only or what?

1 Answers   Deevya Shakti Paper Mills,

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why we used ZNO in Lightning arrester.

0 Answers  

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how can u say about the line by looking at the tower ? {voltage rating of the line}

3 Answers   BARC, London,

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If the field winding of the dc shunt motor is removed then what will happen to the motor ? will it turn or not

2 Answers  

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i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

0 Answers  

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what is principle of DG

5 Answers  

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How to check the cable fault / hv test of transformer cable.

0 Answers   KSEB, L&T, Siemens,

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what is alluminium arm in ab conductors

0 Answers  

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what is the best electrical system i.e substation sytem of 11kv/.433kv for a township. if township have 300nos substation of 11kv. we have to go G.O.D.O. fuse unit or Compact Substation Unit. please reply Asap.

2 Answers  

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At what factor resistance r of a conductor depends?

0 Answers  

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What will happen if we give 220v supply on both sides to the bulb

7 Answers   Exide, Sumeet Industries, Toshiba,

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if v r considering a 4000/1A ct,if v inject 1 amps in secondary core wat happens?(consider as 2 core ct,each for metering and protection)

1 Answers  

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