Answer / raju

AC can be step up from Step Up Transformer. And DC by using
Choper

What are the relays in ACB and VCB

0 Answers   ABB, Bhel,

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

1 Answers  

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Hi,, Just I want ask, if the power factor decrease what happen in voltage regulation? Thanks..

1 Answers  

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HOE WE CAN IMPROOVE BY USE OF CAPACITOR

0 Answers  

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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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does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

0 Answers  

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how ship earthed?

5 Answers   Marico,

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

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What precautions we have to take while handling electrical equipments?

1 Answers   Bharti,

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How many types of lightings are there

2 Answers   ABB, Met Trade,

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WHAT MEANT BY SEVICE FOCTOR?

2 Answers  

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Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss

0 Answers  

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