Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

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what is the main difference b/w contactor and relay

2 Answers   Pace Pharmaceuticals,

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what is the defination of 'Mass' & 'Weight'

3 Answers  

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what is boucholz relay and the significance of it in to the transformer?

2 Answers  

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the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

0 Answers  

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ROC converges if poles and zeros lie inside a. Origion b. Z=1

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What is LOP Sensor in DG??????

7 Answers   Emerson,

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can any one explain about when EB supply failed then how the load will transfer onto DG's step by step.

1 Answers  

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According to general circuit diagram of 1-Phase t/f , why the primary is not get short circuited ,even though the supply terminals both are directly connected through primary winding?

4 Answers  

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How to Calculate IKW(input kilowatt)of a Chiller plant

2 Answers   Voltas,

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In auto transformer if power transferred inductively and conductively are same, the ratio of output/input voltage is A 1 B 0.7 C 0.5 D none of above

2 Answers   Getco,

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does magnetic interlocking take place in an induction motor ?

2 Answers  

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