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Re: DC to AC Converter
Damark (1-800-827-6767) has 600 watt continuous, 800 watt five minutes, 1200
watt surge 12 volt d.c. to 120 volt ac inverter with 3 outlets for $119.99.
Item number B-64831-681180
They have a 300 watt cont./500 watt peak power unit for $49.99 also.
-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Thursday, March 25, 1999 3:50 AM
Subject: DC to AC Converter
>Original Poster: gweaver <gweaver-at-earthlink-dot-net>
>
>I would like to have a converter to run my small portable TC from a car
>battery. Does anyone have a good circuit drawing for a converter that is
>small, simple, light weight, that really works. I need 750 watts, 120 VAC
>from 12 VDC 60 Hz.
>
>I got a circuit from the web that uses two 2N3055 transistors that claims
to
>produce 250 watts output, but maximum output is really 60 watts and I need
a
>1 lb. heat sink on each transistor. I built a circuit using 10
transistors,
>10 pounds of aluminum heat sinks, 500 watt transformer, and misc parts. It
>produces 360 watts output, measures 12" by 12" by 16" and weights about 35
lbs.
>
>Wal Mart has a 250 watt unit for $65.00 that weights about 2 lbs.
>
>I have some SCR's rated 400 amps 600 volts. Is there a way to use an SCR
to
>build a converter?
>
>Gary Weaver
>
>