300 Watt Grid Tied Inverter [RE-wrenches]

[Bill Brooks]

Poor Kent,

Actually you probably don't know what you have. From your message it sounds
like you have an ASE-300 module that has a nominal output of 50-Volts. This
module was designed for high voltage arrays like those silly little white
boxes you guys make ;-).

It's peak output is actually at about 40-Volts in hot weather and therefore
needs a 36-volt nominal inverter to run properly. The ST-1000 will not power
track to a low enough voltage level. What you need is an Alternative Energy
GC-1000 36-volt version (it peaks at about 700 watts due to the lower
voltage--same current)--how ironic.

By the way, I teach a course on designing grid-tie PV systems--you should
check it out some time. You might learn something ;-).  Seriously, give me a
call if I can help you with your home project. I'd be happy to come by and
give you a hand.

Bill.



-----Original Message-----
From: jberdner at sma-america.com [mailto:jberdner at sma-america.com]
Sent: Tuesday, March 27, 2001 2:33 PM
To: RE-wrenches at topica.com
Subject: RE: 300 Watt Grid Tied Inverter [RE-wrenches]


Kent:

I think the Ascension module inverter is made for this.
Give Miles or Ed a call, I'm sure they could help you out with this.

You could also use an ST 1000 or a GCI 1000 and simply run it at the lower
power level.

If you have any questions or I can be of any further assistance please do
not hesitate to contact me.

Best regards,

John Berdner

SMA-America, Inc.
20830 Red Dog Road
Grass Valley, CA  95945
Tel: 530.273.4895
Fax: 530.274.7271

-----Original Message-----
From: Kent Sheldon [mailto:kentsheldon at tracetec.com]
Sent: Tuesday, March 27, 2001 1:21 PM
To: RE-wrenches at topica.com
Subject: 300 Watt Grid Tied Inverter [RE-wrenches]


I'm a bit embarrassed to be asking this, but does anyone know of a 300 watt
grid tied PV inverter, 48Vdc input. I've been going crazy trying to find
one. None of the Xantrex kin have anything near that power level and I
haven't been able to find anything else. I have a salvaged ASE panel which I
would love to tie to my house. I feel guilty just using it as a picnic
table.

Kent Sheldon




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