control & auxilary circuits used for circuir breakers

0 Answers  

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What are the difference between these terms ? e.m.f, voltage, potential, potential difference, current etc? what are the difference between these terms ? (electromotive force) e.m.f, voltage, potential, potential difference, reference potential, reference potential difference, current. How can i explain and describe these all terms in single line each and little more explaination too thanks

2 Answers   Siemens,

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can any one help me? 1.what is corona extinction voltage&corona inception volatage 2.what is mean by CFVV?

1 Answers   KSEB,

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how many by pass system in online UPS.

4 Answers  

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why the altrnator(AVR) not showing the any voltage after making the new winding and insulation?

1 Answers   Avon,

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What is the actual meaning between the energy conservation and energy saving ?

3 Answers  

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what is a composite error in current transformers, why occurs & in which it will occur i.e, either metering ct/ protection ct

0 Answers  

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how can maintaince the acb contactor moveing and fixing kit

0 Answers   Gulf Cement,

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what is current check gurd relay?

0 Answers   MRF,

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wwht is wave trap used in ht line

4 Answers  

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why is it that the HT motors & motors having very low kW rating(<1kW) have windings connected in STAR, whereas the motors having in between kW ratings have DELTA connected windings??

5 Answers  

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Transformer rating=> 15/20 MVA.Why there are two raings? What should be the rating of the fuse at the secondary if the voltage level is 13.8KV/4.16KV?

1 Answers   Bhel,

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