Answer / arvind kumar

Grid failure occurs due to grid disturbance. The grid
disturbance means tripping of one or more grid element like
transmission line, transformer, static var compensator etc
resulting in total failure of power supply at the substation
or loss of integrity of the grid at the transmission level
of 220kv and above.

what is The difference between national electrical code and I.S.Code (electrical) and what is the value of NEC in electrical engineering field

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whats the application of voltage regulation? and whats the voltage regulation's device?

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Hi, This is Laila. I am selected for syndicate bank interview. Could you please share your views and the questions asked if you have faced the interview My email id is laila_honey09@yahoo.com Please send as fast as u can.Thank You Thanks... Laila.

0 Answers   RRB,

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pls tell about gas insulated substation?which gas is used for that substation?above which rating we are used this substation?how we take maintenance in that substation?it means substation fully shutdown or live condition?if live condition means how?pls clear this things

1 Answers   Essar,

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if we supply DC power to AC transformer then what its result?

15 Answers  

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What will be the output of an alternator ,if the field current is single phase ac supply.

1 Answers   DRDO,

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can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

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There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

4 Answers  

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

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in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

11 Answers   Bhel,

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How to desaturate a saturated CT of PS Class?

4 Answers   Electrical,

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what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?

0 Answers   Thermal Systems,

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