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Re: hp -> Watts?

To: Mark Andy <mark@sccaprepared.com>
Subject: Re: hp -> Watts?
From: Eric Murray <ericm@lne.com>
Date: Wed, 2 Jun 2004 11:46:57 -0700
On Wed, Jun 02, 2004 at 12:43:34PM -0400, Mark Andy wrote:
> 
> Howdy,
> 
> Our power went out last night, so I ran an extension cord from the little 
> 1000W Honda (EX, not an EU) generator off down to the sump pump, plugged 
> it in, and was dismayed to see the pump not work.  Later on, power came 
> back on and the pump worked fine.
> 
> I can't imagine that pump is anything more than a 1 hp unit, probably more 
> like 1/3 or 1/2 hp...  What size generator do I need to make that puppy 
> work?

The pump should have a data plate listing its requirements.
Most electric motors need their max current at startup.  Especially
if they have to turn their load as well (i.e. no clutch).

My 5.5kw generator audibly 'hiccups' when the refrigerator or
house heating forced air system starts up.


Eric






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