why master trip(86) used in eletromagnet?

1 Answers  

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what is impedence in transformer

2 Answers  

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why voltage rating not mention at HPSV or HPMV lamps?

2 Answers   OPS,

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apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

0 Answers   TATA,

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How to test Power Transfomer vector group?

1 Answers   Bhel,

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in 33KV or 66KV system which connection is aviable on high voltage transformer primary delta or star ?

3 Answers  

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2. If 8.35%Z means the percentage impedance of 132/11kV transformer self,will like to reconfirm the percentage impedance that is supplied from power company?

2 Answers  

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principle of power export and import in captive power plant.Is it depends upon voltage,current or frequency?Plz explain briefly.

1 Answers  

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

0 Answers  

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What is the automatic voltage regulator with servomotor?

0 Answers   Simbhaoli Sugars,

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wath is this mining of dg

2 Answers   Nokia,

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Is LV shorted in magnettic balance test?If yes why?

2 Answers   Hindalco,

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