Determine the minimum cable size for a 28A single phase final sub circuit originating from the distribution board supplied by three phase submain. The route length of the final sub circuit is 54 m. Assume 1% voltage drop in the consumer's mains. Submain specification: Cable: 50mm2 4 core V75 copper; Route length 42m; Maximum demand 135A per phase

1 Answers  

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A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole, 50 Hz, 3-phase slip-ring induction motor are mechanically coupled and operate on the same 3-phase, 50 Hz supply. If they are left open-circuited, then the frequency of the voltage produced across any two slip rings would be

2 Answers   L&T,

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how desiel generate sart fail of eb?

0 Answers   OPG, Wipro,

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can anyone show me how the 3 phase power is supplied to socket outlets?

0 Answers   Bhel,

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What is the Power factor of DC Power system ?

9 Answers  

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What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

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What is the function of mid point voltage in battery bank

1 Answers   Jindal Steel and Power,

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What id difference between power and energy?

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can motors working at parallel operation like D.G set and transformers? It means asking about two motors coupled with same load???

1 Answers  

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1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 Answers   ABB,

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What is the drawback of static coefficients?

0 Answers  

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DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

0 Answers  

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