Answer Posted / nimish

It is a traditional system which has been established. all
the euipments are designed on the basis of 50 Hz so if we
change the freqency all the equipmets get damaged so we can
not change the frequency.

What is the earth treantment procedure?

2070

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wat is d diffr btw shunt coil and trip coil in VCB?

2827

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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?

1496

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Describe the test procedure to determine the vector group

2143

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How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?

1989

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how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

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In Electrical 'Single Line Diagram' cable nomenclature shows "2 X 1C X 630sq.mm to be provided for one incomer. The question is how many cable to be proved for one Incomer.

1750

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Define what is the function of anti-pumping in circuit breaker?

1312

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HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

1868

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Compare jfet’s and mosfet’s.

1276

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what is transistors comprised of?

1162

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list the type of vfd? wich is sutable for heating kiln?

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Any one can explaination about calibration with rotating sub standards?

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

1475

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What is touch potential and step potential?

2149

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