ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals

ECN Shout Chat
Top Posters(30 Days)
Admin 19
Recent Posts
Anyone hiring inspectors?
by HotLine1. 03/27/17 08:03 AM
Old decora style outlets
by Admin. 03/25/17 11:40 AM
ESA Arc flash course
by TheShockDoctors. 03/24/17 10:15 AM
fuse rejectors
by HotLine1. 03/24/17 07:53 AM
Another Forum Update
by Admin. 03/22/17 03:04 PM
New in the Gallery:
SE cable question
Popular Topics(Views)
231,583 Are you busy
166,394 Re: Forum
160,691 Need opinion
Who's Online Now
1 registered members (HotLine1), 76 guests, and 15 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate This Thread
#87343 - 02/16/04 03:35 PM mtr amps 4160 volts  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 822
Michigan
Where do I find a Chart giving full load amps for 4160 volt mtrs. from say 100hp to 1000 hp???


2017 / 2014 NEC & Related Books and Study Guides

#87344 - 02/16/04 06:30 PM Re: mtr amps 4160 volts  
Bjarney  Offline
Moderator
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.


#87345 - 02/17/04 03:42 PM Re: mtr amps 4160 volts  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 822
Michigan
I've always used .14 times Hp. But wondered if theres a chart I could get awhole of.


#87346 - 02/17/04 07:59 PM Re: mtr amps 4160 volts  
Bjarney  Offline
Moderator
Joined: Apr 2002
Posts: 2,527
West-Southern Inner-Northeast ...
Manufacturer-specific info at www.baldor.com/pdf/brochures/BR435.pdf



Member Spotlight
HappyElectrician
HappyElectrician
Penn USA
Posts: 31
Joined: December 2011
Show All Member Profiles 
Featured:

2017 NEC and Related
2017 NEC
Now Available!

Shout Box
Powered by UBB.threads™ PHP Forum Software 7.6.0
Page Time: 0.014s Queries: 14 (0.003s) Memory: 0.7569 MB (Peak: 0.8880 MB) Zlib enabled. Server Time: 2017-03-27 20:29:04 UTC