what is the difference in inductance and resistance.both oppose the flow of current but how.resistance having + ve power in both cycle while inductance having both power.

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how we can do the insulation on secondary of ct explain and so that tan delta will within limit

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What is a pulse transformer?? Can it be called as a dc transformer??

1 Answers  

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why choke is provided in the centre of the tube light?

3 Answers  

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Necessity of transformer earthing

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What are the special cables required for explosion proof wiring?

2 Answers   IVRCL,

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what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

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At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?

4 Answers  

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what is high and low cut off voltage of BB and DG at SPS????????

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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

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why ac supply neutral should earth not in dc (-)

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what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?

2 Answers  

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