Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

0 Answers  

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if we convert ampers into kw,which one formula use by us,pls tell me?

11 Answers   ABB,

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what is the tolerance of electrical frequency for India? it's .5% or 1%?

8 Answers   Engro,

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how to calculate the earthing conductor & no. of earth pits required

3 Answers  

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what is the principle of synchronous motors?

3 Answers   The Grand,

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what will happen to the core losses if we perform the open ckt test on high voltage side of a transformer ?

2 Answers  

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explain me the exact concept of generator neutral....????

2 Answers  

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assume we are put both df/dt and vector surge relay in same bus the df/dt relay setting is +5 hz an -5HZ. we want operat the vector surge relay before the df/dt how i calculate the setting of the vector surge relay.

1 Answers  

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how to determine the cable size...pls explain me with the formula taking particular load....does the factors like impedance & short circuit rating influence the cable size, if so how....

0 Answers  

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why tan delta test conducted in electrical equipmenr

4 Answers  

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we all know that in transformer, voltage and current are inversely related i.e. Vp/Vs= Is/Ip....so in standard CT..we have a ratio of 200/5...that means our voltage should increase by ratio of 40..althoug that is not the case...because that requires high insulation level.and pratically not feasible......can anybody clarify my ques.......thanx

2 Answers  

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Construction of Diesel generator set?

1 Answers  

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