Answer Posted / dinesh

1.auto transformer starter
2.star to delta starter
3.rotor resistance starter
4.stator resistance starter
5.direct on line starter

what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?

1979

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1987

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i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

1930

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i want to put single phase load on scott connected transformer,eventhough how to balance the transformer.

1866

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how we can explain arc heatng?

1949

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I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?

12900

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Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC

2123

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th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.

1977

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what is PWM in IGBT and how it works for drive.?

1671

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15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1583

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How can find thermal state value in relay for calculate thermal overload.

1908

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What is installed in PAC that is control the humidity

1520

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how to calculate energy of 3-phase motor?

2086

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why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1842

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how to get electrical supervisour certificate in gujarat

1968

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