Answer Posted / suneetha

in oder machines lik motors also core loss is prop to
voltage n cu loss is prop to current..but dey are rated in
kw nly...y s t so???

what is stper motor

2423

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We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

2173

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2192

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How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....

2031

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What is dynamo?How it works and what is the function of dynamo in a DG.

2593

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what is the difference between capacitive and resistive voltage divider?

3543

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How much dc volt applied in cathodic protection system?

2335

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what is lumped and distributed elements?

1964

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how are reversing the direction of dc motor

1660

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What is pole of the system?

1155

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how to select fuse rating for a 3-phase motor ???

1806

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What Is Connection APFC Panel In Compony.

1449

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explanation of mesh bus bars

2170

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We have drive feeding an output contactor for a 5000 hp motor @ 5kV application. The motor FLA is 629amps x 1.25% service factor = 786.25 amps The cable that we current have in place between the drive and the output contactor is 350kcmil- MV-105 (parallel cables). Per the NEC table 310.60 (C) (69). This show the cable ampacity is at 615 amps per cable for a rating of 1230 amps. We have derated the cable for the cable tray and the multiple cables application and our calculations show that after the correction factor factor we are at 922amps. 1230 amps x .75% correction factor factor = 922.5 amps. The customer is driving us to then use another safety factor of .25% off of the already derated cable. Can you please provide a longhand calculation for your solution on this application?

2154

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What is the purpose of using busbar mounting fuse?

2046

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