Answer Posted / mac

KVA V*I*1.732/1000

ex 380*9*1.732/1000 =5.9KVA

if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

1274

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Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

1720

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What is meant by positive and negative feedback?

1020

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Can we put 3 layers of cable tray while installing tray

2372

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Give the topology of current amplifier with current shunt feedback?

1185

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we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

1979

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is the value of inductance depends upon the evalue of thitha in doubly excited machine?

1841

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in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

1786

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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?

1462

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Is Transol transformer oil comparable to nynas nytro libra?

3085

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EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

1988

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What will happen if the voltage in my house drops from 220V to any lower voltage?

2150

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What is inrush current? how can calculateit? what is the affect of it?

1977

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solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1844

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What is the formula to calculate distribution transformer De-rating on iron losses basis

1819

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