Answer Posted / k.prabakaran

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working principle of AC Servo Motor with its construction

8930

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Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

2440

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If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

2127

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List the power rating of any 5 important electrical appliances used in houses.

2111

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How will polarity test of Dy5 Transformer ?

2313

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Who are the manufacturer for Nitrogen based Fire Protectio/explosion prevention for Oil Filled Transformers? India and international both?

1970

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What was your role in the silicon evaluation/product ramp? What tools did you use?

2002

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Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

1547

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How to detect voltage vector shifting in interconnection protection.

1963

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Power Factor Correction Panel (Manual & Automatic)

2286

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distribution transformer de-rating formula on over limit iron losses  

2350

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1.what is mean by 8/20 micro sec waveshape

2283

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i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

1846

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what could be the RMS value and average value of a 4 phase sine wave?

1920

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how to determine Sq.mm size of finolex power cables.

2046

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