how to calculate cable size, olr rating, contactor rating and mccb rating,to below given details three phase motor 75 kw,415 v,.85 pf,50 hz?

5 Answers   Cabin Crew, Essar,

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How do you find HT and LT sides of a distribution transformer only by looking at it from outside?

1 Answers   Nespak,

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how to check avr of dg set of 125kva

0 Answers  

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what is raw power & normal power

2 Answers  

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what is the condition for vector group of Dyn5

2 Answers  

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In the transformer, in which form we see the losses of transfprmer ?

3 Answers  

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Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

6 Answers   L&T,

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What is the application of Nitrogen Injection system in Transformer Protection?

1 Answers   HPL,

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In A.C systems, fuse is placed in phase-in order to disconnect the circuit during faulty condition. But, what is the reason for putting "LINK" in neutral istead of connecting through (same) wire.

3 Answers  

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what is the working of air drayar

1 Answers  

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Draw the equivalent circuit of crystal oscillator?

0 Answers  

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why fuse not recomended to neutral

10 Answers  

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