Transformer not operated in dc ! why?

10 Answers  

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

4 Answers  

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State magnitude criterion.

0 Answers  

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How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

0 Answers  

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Which Current transformer will be bigger in size, 400/5 or 400/1 & why?

2 Answers   Apollo,

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what type of protection and safety req. in the 220kv substaion and area around the substation

2 Answers  

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after how many spot we must chang secondry cable in portable spot welding gun?

0 Answers  

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In a single how much maximum current and watts using

0 Answers  

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What is type of transformers?

3 Answers  

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which Machine u will prefer to use at place where Flammable gases are coming out & why ??

6 Answers   NTPC,

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what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

0 Answers   ME,

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why elcb used in circuit

4 Answers   ABB,

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