Answer / rumna

a ckt breaker consists of two parts- a fixed part and a moving part. under normal operating conditions these two parts remain in contact. when fault occurs the trip coils of the ckt breaker gets energised and the moving part are pulled apart by some mechanism thereby opening the circuit.

how we can know which is Lv side and HV side of transformer by just seeing it?

7 Answers  

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battery spicgravity mesuserd?

1 Answers  

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what is meant by leading or lagging power factor?like in capacitor power factor is leading and in inductor power factor is lagging

4 Answers  

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How to calculate the fuse rating depend upon the DC circuit?

0 Answers  

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in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

1 Answers  

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Why we check only first column of root locus..?

1 Answers   IES,

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

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how to find out this one mcb r mccb?

4 Answers   L&T,

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what is the sludge current

0 Answers  

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why core is useful for the transformer and in its operation

1 Answers  

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Could explain briefly of over excitation in transformer.

2 Answers   NCC,

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When we getting shock, its we getting from voltage or Current.

14 Answers   Juniper Networks,

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