Answer / shrek

ISOLATORS work on off-load where as ACB works on on load. ACB
operates on faults conditions in system.

Answer / asish

ACB means air circuit breaker, it can be used in on load
condition,i.e both normal and fault condition due to its arc
quenching method where as in case of isolator, it is used as
a off load switch.

Answer / yaswanth

isolator is used to isolate the individual loads&A.C.B's are
used to isolate the whole power to all individual loads in
fault position

What are options used for earthing the switchgear.

0 Answers   KSEB, L&T, Siemens,

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Where there is voltage,there must be current.Is this right or wrong??

10 Answers  

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I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

0 Answers  

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what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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Why electricity is generated and transmitted at the values of multiples of 11?

3 Answers  

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why capacitor offer reactance to alternating current?

1 Answers   Electrical,

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what is the CT of protection and CT of metering ? what is class 5P10 & 5P20 and class PS ?

16 Answers   JEE Main, ONGC, VRA,

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How earth fault & earth leakage equvpment are works?

5 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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how to calculate the multiplying factor for energy meter with CT ratio given

23 Answers   Bhel, Dalmia Group, DIFC, Fedco, Hindustan Unilever Limited, Lupin, MahaDiscom, MAL Pakistan, Myunghwa Automotive, Panchshil Infrastructure, Regala, RVPN, VIPL,

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how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

0 Answers  

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We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.

0 Answers  

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