Answer Posted / om shanker

both circuit breaker and isolator make or break the circuit
but main difference is that circuit breaker operates on load
condition and isolators operate of load condition.circuit
breakers operates on fault condition or when we have to
interrupt the ciruit:
1. open the circuit breaker
2. open the isolator

and when we have to close the circuit:
1.close the isolator
2.close the circuit breaker

what is difference between 2 pole structure and 4 pole structure in transformer yard

5957

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1963

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Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

1914

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what is the difference between the voltage of 5 volts capacitor and and 5volts battery?

1887

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Difference between a pilot wire and a normal conductor?

1992

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What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?

3063

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what is inter connected dc generator?

2749

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What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

1426

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one split ac how can told of this ac which Tr tell me us

1970

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mccb service sittings be done?

1887

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If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

1954

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which network topology offers the greatest level of tolerance?

2052

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WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

1935

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What are the basic & Majour problems in UPS ?

2065

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No load tap changing transformer working

1581

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