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What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

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what is the use of megger? and types

11 Answers   TNEB Tamil Nadu Electricity Board,

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How to find out kvar from any particular load capacity give a formula

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Can we pass 11kv power in 1.1kV voltage grade cable.If not why?.

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How much load can be taken for chiller from 1500 kva transformer

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As we know multiplicity factor derivation equation is as below MF = main c t ratio / main p t ratio * meter c t ratio / meter p t ratio * meter dial constant Where in digital meters for HT kwh import export now a days meter constant are calibrated already which is 1 So my question is For HT 11kv 110 v line values are as below Main c t and p t ratio are 11000 v and 110 v and 20/5 means 20 amp and 5 amp Now meter values are 11000/√3/110√3 and primary and secondary amp are displayed as -/5 amp on kwh meter so what will be the MF for this meter ?

1 Answers   NEPC,

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how much importance of power factor in single phase. is it,s importance is quiet same as like three phase power system.

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What are test signals and their significance?

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Isi standard of lux level required / to be maitained in different working place general & in textaile industry.

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Salient pole alternator is more stable, why?

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two generator runnig with parallel but only one NGR on And one off Why

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