what is per unit calculation?looking for simple and strong explanation thk u

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what is the cable size we can use for 11kv and 33kv ?

3 Answers  

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what is the advantage of using 3 phase line rather than using 2 phase line?

2 Answers   Havells,

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what is the exact direction of current? as we know current travels from higher potential to lower potential,so if we take battery +ve to -ve implies current direction is from positive terminal to negative terminal.,whereas electrons flow from negative to positive as they are attracted by positive ions.current will be the plow of charge but not flow of positive ions.please clarify my doubt friends.

2 Answers  

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What is the latest generation of circuit breakers called?

2 Answers   Focus, Oil India,

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hello everybody. please tell me the function of transformer bushing,s. i heared somewhere that it saved transformer winding from sky electricity. please tell me if that is right then how it work,s. Thank,s.

2 Answers   3EEE,

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If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

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As load in a transformer increases, mutual flux linkage in core= A increases B decreases C not change D first increase then decrease

2 Answers  

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if vcb make contact but output notreach give the reason?

2 Answers   VVF India,

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what is working process of star delta controlling circuit ?

0 Answers  

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when a three phase motor in running condition consumes 2A in each phase,and if one of the phase gets fails what will be the consumption in other two phases

4 Answers  

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which on of the transformer have more core losses and why? 1. Distribution Transformer 2. Power Transformer

5 Answers  

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