Answer Posted / k.prakashchandra

You can use 50 sq mm copper cable and 100 A MCCB if the
power supply is 3ph 400 V and balanced.

how to calculate transformer turn primary & secondary side 11kv to 420v

2187

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Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.

1130

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list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.

1967

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harmonics filter

1930

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why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

1494

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why and how current drawn by battery charger depends upon the altitude where it is located?

2020

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oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

2016

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Define delay time.

1073

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What is Diff btw Fire Alarm & VESDA System???

2376

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True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)

1562

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

2077

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sir vizag steel ka junior trainee ka paper kitne number ka ayega

2229

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can someone explain that how the speed of the protection system affects the fault level calculation?

2064

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I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

1839

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How much load can be taken for chiller from 1500 kva transformer

1255

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