what is a switchgear. what is its work & where it is used?

5 Answers  

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WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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An AC coil to give DC supply whats happen in the coil.what type of problem are create.

2 Answers  

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in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

0 Answers  

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Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

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what is difference between start imitation and start interlock for 3 phase motor protection ?

2 Answers   OPS,

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i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

1 Answers  

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What is the function of NER and NET?

0 Answers   Asian Paints, GHH RAND,

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Y phase's (RYB) r only 3,not 4 or 5?plz answered in breif?

1 Answers  

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A 100 MVA transformer may be cooled with?

6 Answers   HCL,

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what are different types of electrical windings? i know the distributed winding ,concentrated winding etc but i want some detailed information, in what condition we will use distributed,concentrated windings what are the difference between them which is best, how induced emf changes by using different types of windings 20 hours ago - 1 week left to answer

0 Answers  

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after how many spot we must chang secondry cable in portable spot welding gun?

0 Answers  

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