In an panel board if the outgoings are power plugs and motor equipments...what should we choose as the incomer of the of the panel board?? MCCB OR ISOLATOR?? Should we use ELCB protection??if so where??

2 Answers  

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what is the role of frequency in electrical system

2 Answers   Hindalco,

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why secondary of open delta pt (two element pt) centre tap is earth what happen when this earth is removed

1 Answers   Essar,

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what are the problems are there if power factor is leading

3 Answers   NTPC,

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if sf6 gas low in gis what will happen

0 Answers  

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why batteries are rated in ampere hour

1 Answers  

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How much ampere can withstand for 2sq mm c able?

2 Answers  

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WHAT IS ELECTRICAL MAINTAINTENCE ?

0 Answers  

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how fluoresent lamp works??

2 Answers  

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can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

0 Answers  

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how does a liquid starter reduce the starting currents?

0 Answers  

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I am working on a 11KV system with fault current of 40KA for 1 second. I have selected 2500MVA 11/0.433KV transformer. How can i find the impedance value for this transformer? Please help me.

2 Answers   PPL,

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