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#87343 - 02/16/04 11:35 AM mtr amps 4160 volts
Yoopersup Offline
Member

Registered: 03/04/03
Posts: 812
Loc: Michigan
Where do I find a Chart giving full load amps for 4160 volt mtrs. from say 100hp to 1000 hp???

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#87344 - 02/16/04 02:30 PM Re: mtr amps 4160 volts
Bjarney Offline
Moderator

Registered: 04/10/02
Posts: 2561
Loc: West-Southern Inner-Northeast ...
For 4000V motors [usual nameplate for motors used in 4160V systems] you could use 58% of the 2300V column currents in NEC Table 430-150 3ø Motor Full-Load Current (60-500hp.) Or, using the kVA/hp equivalent, a 100hp 4kV motor would be about 14½ amps and a 1,000hp motor would be ~144 amps.

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#87345 - 02/17/04 11:42 AM Re: mtr amps 4160 volts
Yoopersup Offline
Member

Registered: 03/04/03
Posts: 812
Loc: Michigan
I've always used .14 times Hp. But wondered if theres a chart I could get awhole of.

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#87346 - 02/17/04 03:59 PM Re: mtr amps 4160 volts
Bjarney Offline
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Registered: 04/10/02
Posts: 2561
Loc: West-Southern Inner-Northeast ...
Manufacturer-specific info at www.baldor.com/pdf/brochures/BR435.pdf

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