Answer / sheikh

ACB would be installed as a main feeder in a large
distribution and having multiple safeties as compare to MCCB
ACB can be operated with remote etc...

Answer / ragesh subramanian

ACB's are CAT B devices. these devices are supposed to
withstand the overload current for specific periods thereby
allowing the downstream devices like MCCB's & MCB's to trip
before ACB in case of a fault.

Is there any difference between circuit breakers and isolators

7 Answers  

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5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?

1 Answers  

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DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?

0 Answers   Essar, MahaGenco,

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why normally Generator rating are between 11Kv to 22Kv?

7 Answers   Torrent Power,

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Why pmg used in electrical generators for excitation.is there any other method without pmg ?

1 Answers  

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NOW A DAYS THE POWER SUPPLY IS VERY LOW.SO THE FLURESCENT TUBE LIGHTS ARE VERY DIM.IS THERE IS ANY WAY TO INCREASE ITS BRIGHTNESS?FOR EXAMPLE ANY CONVERTER,CONDENSER?

1 Answers   Bhel,

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how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.

2 Answers  

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why ss stablity limit is more transient stablity limit?

0 Answers   IOCL,

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where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz

0 Answers  

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What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

0 Answers  

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How Size of Busbar is determined for a particular load.

2 Answers  

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why we oltc on hv side of tranformer only

10 Answers  

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