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@aol.com wrote:
> In a message dated 7/17/2006 5:35:09 A.M. Eastern Standard Time,
> r@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@somis.org
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