Answer Posted / vipin singhal

1kva 100hz

how many types control panel of a 132/33 kv substation

2651

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oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

2031

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What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?

1904

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Define thermal resistance in the context of power amplifier.

1137

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How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

1926

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In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

2317

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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?

2093

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What is meant by load angle of an alternator? Upon what factors does the load angle depend?

3010

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is it true there's a big difference in using Cummins or Denyo...especially power output or leakage

1944

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WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

2709

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What are differences between Voltage, EMF & Potential difference ?

2006

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What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

1980

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The synchronous machine excitation system explain

1831

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How to protect a Dosing pumps/any sensitive equipment (single phase) from surge protection inside a food factory.

1750

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how we do Vector group ,magnetic balance and tap changer test in Transformer?

2477

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