Answer / balu

D rep delta in primary side
Y represent star in secondry side
N7 rep phase angle that means current is in 7 o clock position with voltage

What is the role of feedback in a closed loop control system?

0 Answers   GE,

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what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 Answers  

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I have draw the 350A DC current, so what is the size of cable i can use? Give me the answer with formula

1 Answers  

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how to calculate the current carrying capacity of a conductor. How it is related to diameter of cable or conductor

3 Answers   AGC, BARC,

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We all have seen transmission and Distribution lines In transmission lines the voltage is high and current is low(to reduce I^2r loss) and in distribution lines voltage is low but current is high however the size of transmission wires is bigger than that of distribution wires even though the amount of current carried by the distribution lines is more than that of transmission lines why?

4 Answers  

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why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?

6 Answers   Accenture, Bhel, Reliance,

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better choice of area of interest to post in our resume?

2 Answers   Cognizant,

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what is servo motor & how does it work.

0 Answers  

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What range of speed can you get with the field control method of speed control of d.c. Shunt motor?

0 Answers  

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if the synchronizing b/w generator and busbar not complete and we close the out going circuit breaker of generator then what happen ?

4 Answers  

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Does the total power means fundamental plus Harmonics?

2 Answers  

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why the current is denoted by the letter 'i'

1 Answers  

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