Answer Posted / murali

All marked

If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

2273

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How to use computer cpu ups use for home inverter circuit board

1786

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what are symmetrical and non symmetrical components in electrical installation.

2080

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please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

1844

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

1917

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How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

2508

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What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

2760

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why ht motors are star connected?

1878

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please send me RRB electrical engineer previous year questions for Sr. Section Engineer

1952

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I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

1583

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If UG power cable both ends are to be earthed or what? If not why?

1945

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How to calculate VA rating for CT or PT or Control Transformer?

2849

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0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz

2138

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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

1640

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What are the common sources of energy?

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