What is the basic difference between directional and non directional over current protection?

1 Answers  

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what is the meaning of the HT LT transformer?

10 Answers   Sify,

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what is the difference between neutral and earth

11 Answers  

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generally rectifying of ac tells. ac signel appear at phase and neutral with respect to frequency by -veand +cycles. but we doesn't experience shock with neutral in house hold ac??????.

1 Answers   ETA, RRR, TCS,

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What is the method to solve circuit using source transformation?

0 Answers  

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what is meant by VFD ?where its useful ?

7 Answers  

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1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor

1 Answers   Crompton Greaves, Framo, L&T,

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What are the Safety Steps While Inspection the LT Panel.  

1 Answers  

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When electric field is parallel to the plane of incidence, the electromagnetic wave is said to be a.Linearly polarized b.circularly polarized c. Elliptically polarized d. Hyperbolically polarized

1 Answers  

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Difference between online and offline UPS?

11 Answers  

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how to calculate the cable size for LT and HT power cables with detail explanation?

2 Answers   Asset Developments, Bhel,

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why motor run slow speed in star connection?explain how?

3 Answers  

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