What is mean by STUB protection?

0 Answers  

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sir pls send the je exam - 2008 and other model question papers..

0 Answers  

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what is ph test in coolent cheking

2 Answers  

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What is meant by rating error prevention in breaker??

1 Answers   L&T,

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why two contacts(in series) are using in closing circuit

3 Answers  

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what happens when the supply frequency to the tube light is reduced to 25Hz....?

5 Answers  

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what is transient earth voltage

2 Answers  

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why conductors of low tensile strength 1)produce greater sag and 2)can not be used for larger spans

1 Answers  

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In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

0 Answers  

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According to ohms law voltage proportional to current, then why should current rating is low with high voltage rating in transformer?

5 Answers   KEC,

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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   Jubail O&M,

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what is the different between bus section and bus coupler

1 Answers  

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