Answer Posted / iamdon

circuit breaker can make,break and carry current under
normal,short circuit and overloaded condition..It operates
automatically.

contactor can make,break and carry current under normal and
overloded conditions only but not in short circuit
condition.It can operates more no of times without
maintenance.

Isolator can break currnt only through that part of circuit
which is bot carrying any current.It is manually operated..

briefly explain the main blocks found in a microprocessor based system

2207

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What are the different types of controllers?

1094

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what are the assumptions made in swineburne's test?

2187

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why electron produce magnetic field when it is in motion?

2157

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How two nos. 130 kw D.C motor get synchronise using D.C drive.

2142

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How you will determine the volume of oil in a particular Distribution transformer.

1888

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i wasted one year for the job after completed my btech what can i say about 1year time in interview

2127

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how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

2382

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please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

1974

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What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

1085

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What is the count of hvdc transmission lines in india?

1105

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describe the phenomena of vacuum interruption in C.B

1803

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what is the range of maximum DOL and SDS can be use for pump and fan application

1120

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what is the meaning of the symbol << >> put in transformer drawing

1992

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How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

1845

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