Answer Posted / arun

we need power factor value

Earth leakage relay basic knowledge principle

2242

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What is the role of feedback in a closed loop control system?

1151

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how a flip flop can be used as a latch?

2051

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what is diff btw electric,magnetic & eletromagnetic field

2188

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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

2221

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how to check avr of dg set of 125kva

2646

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is there any current and voltage drop on liquid resistance starter water/soda tank ?

2046

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we specify current in case of feeder but in case of distributor voltage, why?

1873

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Please brief what is sinewave

2199

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Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

1699

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What do you mean by per capita requirement of electrical energy in india

2324

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1730

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there are cam operated switches - why we call cam operated , What is cam ?

1969

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when we decide to use soft starter drive or vfd drive in mcc to operate apump?

2026

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I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

2082

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