How to calcluate the current by means wires/cables in square mm

2 Answers  

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what is the function of a Master trip relay? why is it used ?

5 Answers   ABB, Nissi Engineering Solution,

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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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We know that, in case if there is a faulty insulation,or sc, the current is bypassed to earth through the earth wire that has low resistance.Actually, what will happen to that current that flows through gnd?In that case,if we come in contact with that faulty appliance, wont that current flow through us as we form a closed path by standing in gnd?Is grounding a safety measure?

3 Answers  

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What is the difference between rulling span and wind span of of an Over Head Transmission Line?

0 Answers  

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Why don't we use ground free electricity to avoid electric shock.As birds are do not get shock.

3 Answers  

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regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

0 Answers   Reliance, Southco Utility,

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How to protect the water pump by no load running.

9 Answers   Cushman Wakefield,

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using in R,Y& B PHASE LTSIDE(415V)ct ratio 4000/5 WITH ENERGYMETR OF 1280 REV./KWH,240V.WHAT WILL BE MF OF METRE.

1 Answers   HCC,

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For 35 HP motor how much amount of capacitor should be on in kvr to reduce the current bill

1 Answers  

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Sir Power transformer :- (in generating station) Alternator terminals side - Delta HT transmission line side - Star Why?

4 Answers   Kirloskar,

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defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

0 Answers  

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