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george phenomenon of synchronous machine

0 Answers   JU,

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what is the constructional difference in generator if we want to genearate 6.6kv instead of 440v?

1 Answers   Anglo Eastern,

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why hv current transformers have big size ?

5 Answers   RailTel, TCS,

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what is %impedanece

3 Answers   KSEB, Steel Plant,

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what is the difference between indoor & Out door substations

5 Answers   HSBC,

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what is mathematical relation between ac to dc current how will convert Iac=50amp to Idc

7 Answers  

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why the CT ratio secondary is always divided by 5 for eg( 75/5,80/5,50/5)

6 Answers  

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how to test a motor from megger

5 Answers   JSW,

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how current flows in circuit?

11 Answers  

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We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?

5 Answers   Siemens,

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what is the name of transformer oil.

15 Answers  

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what is EIB lighting control system? what is the advantages of this system?

0 Answers  

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