How to Make relay co ordination chart for a Electrical power distribution of a plant

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what is stray capacitance?

1 Answers  

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why our power production in multiples of 11.

2 Answers   ABB, Infosys,

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IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.

1 Answers   Jindal,

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my UPS is 600VA with 0.6 p.f and i use it for my computer which has 450W power supply unit, a monitor of 633nW and speakers. Can any one explain this.. because the output of UPS should be 360W (<450W)

2 Answers  

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What is the difference between RCD & RCCB, Where it can be used

3 Answers  

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what is idmt relay

1 Answers  

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what is the different between earth leakage relay and earth fault relay?

5 Answers   ME,

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how brushed dc motor operating ?

0 Answers  

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how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

0 Answers   Vatika,

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A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

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What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

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