Answer Posted / vinoth

Isolator acts like switch and it does not have any breaking
capacity.. it is used for low rating

Breaker is also a switch but it have some breaking capacity
and withstands the fault current for few sec... it is used
for higher rating...

You are of electrical field and you are going for software? Why

2259

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I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

1866

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What is the capacitance values of 132,220,400 & 765 kV current transformer

1862

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mccb service sittings be done?

1887

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Why human body feel electric shock?

1019

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I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.

2576

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in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

1832

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what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

2246

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How many turns are there in primary winding? (In Transformer)

1641

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What is the difference between vector surge relay (78) and Pole slip relay (98G)

1150

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1887

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how to changeover ups in this power failur time?

1931

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Please explain, how to test vector group of tranformer(Delta y1) . Thank

1660

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

1850

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What is the meaning of floating point earthing in battery backed systems ?

1963

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