[Amps] Peak power ratings

[R L Measures]

The laugher is that even a 10,000-HP electric motor produces 0-HP  
with a locked rotor.
cheers, Lou.

On Jul 17, 2006, at 3:49 AM, Gudguyham at aol.com wrote:

> In a message dated 7/17/2006 5:35:09 A.M. Eastern Standard Time,  
> r at somis.org writes:
> Yes, and they are based on 746w per HP with a locked-rotor.
>
> Rich, your are probably right about this, but I was giving the  
> benefit of the doubt by saying "at start up" instead of a locked  
> rotor condition.  There is a table of locked rotor currents in my  
> NEC book for all values of HP motors up to about 100 HP.  BIG  
> difference in that value and running state current.  But, I am sure  
> many are fooled by such ratings when they shop at the HD stores.   
> Ratings are funny things, Like compressors for example, they are  
> rated in CFM, but everybody rates them at a different PSI rating,  
> you have to be CAREFUL when making comparisons.  Lou

R L MEASURES, AG6K. 805-386-3734
r at somis.org