Answer / gunasekaran

VCB using for high voltage switching ACB for low voltage
switching

Answer / rites

Breakers are designed for various breaking capacity which
in turn is related to arc quenching media.

VCB - vaccum is the arc quenching media and hence can break
high current high voltage supply and hence used in medium
voltage 11/22kv.

ACB - Air is the quenching media and hence used in LT side
i.e 415 v circuits.

Is corona effect occurs in Induction motor. pl. justify the answer.

4 Answers   KPS,

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9 Answers  

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6 Answers  

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1 Answers   Jindal,

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0 Answers   GE,

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1 Answers  

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WHY R USE IN BRUSH IN THE MOTOR?

6 Answers   L&T,

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18 Answers   Eaton, Siemens,

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i am BSEE student, my project study is to synchronize the generator of an hospital, it have a one 313KVA standby-power diesel gen.,and three 100kva transformer.The generator system is operated manually and no ATS or UPS. one more new building is being build so the transformer will be upgrade to a higher vale. 1)how i can connect the new gen. to the old gen. and to the synchronize panel? 2)what is the new gen. to be buy?(rating, etc.) These is my title: To synchronize the generator system of the ____ Hospital. Anyone have a good title? Thanks.

1 Answers  

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