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

wat is d diffr btw shunt coil and trip coil in VCB?

0 Answers   NTPC,

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How Calculat the Cable Sizing of HT/LT System & Explian by one Exampal?

1 Answers   Siemens,

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battery capacity use of made?

0 Answers   JLL, Shankar Electricals,

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why we use to always generate power below 16kv.why not at higher voltage?

3 Answers  

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what are the methods of speed control of dc motor???

4 Answers  

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what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?

0 Answers  

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why DG battery blast

2 Answers  

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can u please mail me the syllabus for GET exam for damodar valley corporation?

0 Answers  

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WHAT WILL HAPPEN WHEN THE MOTOR FREQUENCY INCREASED OVER THE RATED MOTOR RPM THROUGH DRIVE?

3 Answers  

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Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

1 Answers   Jindal,

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How one can check the faulty capacitor, diode when connected in the circuit ? and when you can not take them out ?

4 Answers  

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Why are lt windings placed near the core?

0 Answers  

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