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mtr amps 4160 volts #87343
02/16/04 02:35 PM
02/16/04 02:35 PM
Y
Yoopersup  Offline OP
Member
Joined: Mar 2003
Posts: 840
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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Re: mtr amps 4160 volts #87344
02/16/04 05:30 PM
02/16/04 05:30 PM
B
Bjarney  Offline
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Joined: Apr 2002
Posts: 2,527
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.

Re: mtr amps 4160 volts #87345
02/17/04 02:42 PM
02/17/04 02:42 PM
Y
Yoopersup  Offline OP
Member
Joined: Mar 2003
Posts: 840
Michigan
I've always used .14 times Hp. But wondered if theres a chart I could get awhole of.

Re: mtr amps 4160 volts #87346
02/17/04 06:59 PM
02/17/04 06:59 PM
B
Bjarney  Offline
Moderator
Joined: Apr 2002
Posts: 2,527
West-Southern Inner-Northeast ...
Manufacturer-specific info at www.baldor.com/pdf/brochures/BR435.pdf


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