Answer / lakhan singh

Power in Star and Delta circuit always be same. Becoz ,P=Vp*Ip*Pf while(in star Ip=Il,& Vl=sqrt3*Vp and in delta Vp=Vl,& Il=sqrt 3* Ip) so power remain constant

Answer / sandeep

it's 1:1

Answer / aseem chandel

Its 1:3

is it value of power factor is more than unit. whats effects in the source supply

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hello friend i wish to study a course related to the electrical construction, controlling and monitoring , which course i want to study? pls give me the name of institute?

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what is mean by descripiency relay? & wht is its ansi code?

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Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?

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hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

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How capacitor improves pf

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1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor

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what will happen when ac is applied resistor,inductor,capcitor?

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why buchholz relay installed in inclined position

3 Answers   Eskom,

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why we do not get the electric shock at end of returning water of water cooled cable

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which motors is used in mixies

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Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

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