Re: (ET) More Power Inverters

["Mike Wallace" <metman glasgow-ky com>]

I got a suggestion for all you guys, just go to this site and buy a real 
generator that can damn near run your whole house and for a lot longer than 
9 hours.  I just got a new emailed sales flier from Surplus Center and these 
generators were the first item they featured. 
http://www.surpluscenter.com/DEC07/DEC07.asp

Or you can just use this link to see just the generators:
http://www.surpluscenter.com/sort.asp?&catname=&byKeyword=yes&search=watt%20generator

I figure they are probably made in China, but what isn't now a days.  Even 
the fancy new front loader General Electric washing machine I bought for the 
wife at Lowe's after Thanksgiving is made in China.  The damn Whirlpools are 
made in Mexico and according to the sales guy at Lowe's, Bosch is the only 
company making (I should say assembling) a washer in the USA.  Kinda sad 
when a German based company is the only one.

Mike in KY


----- Original Message ----- 
From: "Bill Alburty" <willaim kc rr com>
To: <elec-trak cosmos phy tufts edu>
Sent: Tuesday, December 11, 2007 11:26 PM
Subject: (ET) More Power Inverters


> I was probably nearly correct about the amps pulled by my furnace blower
> ( I said it was 11). I had estimated 11, allowing for a big surge. So I
> measured it. The start up surge went to 8.4 on my galvo type meter ( but
> the actual peak, if displayed on a scope, could be twice that for a very
> short time). Suppressing that surge may be the key to making an inverter
> do the job without kicking circuit breakers.  The run current measured
> only 4.7 amps, indicating that 115  X 4.7  = 540 VA would  handle the
> running current. A 1kw inverter is therefore probably enough to run a
> furnace, refrigerator, a TV, and a few lights (for running current
> only). Would a big capacitor handle that pesky surge?
>    Whats bothering me now is Russ's getting only 6-9 hours out of the
> 36 volt pack. I was hoping for for much longer.
>
> Bill Alburty
> E-12
>
>
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