which is batter in construction job,ELCB or RCCB?

7 Answers   HCC,

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short circuit test of transformer gives what?

9 Answers   NTPC,

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Hi friends, i m electrical engineer i want a cdr for migration purpose so anybody have information about this then send me on jayesh_ee88@yahoo.com.please try to me

0 Answers  

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sir what is the purpose of SF6 in HT breaker and what is the pressure should be maintain in the breaker?

2 Answers   Kirloskar,

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we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

2 Answers  

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A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

0 Answers  

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The potential difference between a phase and neutral is 230v , but the potential difference between two phases is 400v. why?

4 Answers   HCL,

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

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How can we convert 11 kv to 440 volt without using transformer ?

0 Answers   Electrical,

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why should we place 9KV lightning arrestors in 11KV substation ?

9 Answers   DOL, ISRO, Matrix,

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What is star-delta transformer?

0 Answers  

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What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.

1 Answers  

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