Answer Posted / ramesh kumar

50

if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

1879

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what is PID control in VFD drives?

1999

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hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

2011

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I need bhel electrical test pattern & paper

1852

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how can i change the rotation of the AC single phase induction motor and show me by diagram

1803

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Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.

2364

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What test must you do before powering up a circuit that you have been working on?

1863

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What are the classifications of heating element?

2046

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What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?

2025

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What is essential to prove safe isolation of electrical circuit?

1075

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I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com

2373

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The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

1985

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Why negative feedback is preferred in the control system?

1258

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for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

1481

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If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)

1968

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