10 Mtr Hight of Lighting Arrestar how much area coverd??

0 Answers   OmniActive,

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what is power factor

6 Answers  

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what is meant by transformer differential protection ?

3 Answers   BFL,

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What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 Answers  

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time constant of RC series circuit?

2 Answers   DVC,

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

0 Answers   Jomel,

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what is th basic difference between a d latch time line and a d flip flop time line???

0 Answers  

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how to synchronize 3 phase slip ring induction motors of different ratings.

0 Answers   GMR,

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Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

0 Answers  

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a solenoid of inductance 250mH and resistance 10ohm is connected to a battery. the time taken for the magnetic energy to reach 1/4th of its maximum value will be?

1 Answers   SSC,

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is dc transformer is possible ?

4 Answers   Jyona Power,

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why transformer rated in KVA not in KW ? we know that W= v*i

6 Answers  

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