<font size=2 face="sans-serif">Hi Chris:</font>
<br>
<br><font size=2 face="sans-serif">Keeping in mind Todd's comments I'm
not sure how your system is set up, but if it has Schneider MPPT charge
controllers, then it should be set up in enhanced sell mode.</font>
<br>
<br><font size=2 face="sans-serif">Enhanced sell mode coordinates the sell
power so that it always matches the solar harvest power, moment by moment.
Using that setting will also charge the battery with a three stage
charging algorithm every morning while exporting any excess solar power
available which is not needed for charging.</font>
<br>
<br><font size=2 face="sans-serif">Please contact me offline of you would
like to go over the settings for this mode of operation.</font>
<br>
<br><font size=2 face="sans-serif">JARMO</font>
<br><font size=2 face="sans-serif"><br>
</font><font size=3 color=#008000>_____________________________________________________________________________________</font><font size=3>
<br>
</font><font size=1 face="Arial"><b><br>
Jarmo Venalainen</b> | </font><font size=1 color=#008000 face="Arial"><b>
Schneider Electric </b></font><font size=1 face="Arial"><b> | Solar
Business</b> | <b>CANADA</b> | <b>Training &
Development Specialist - Senior</b> <b><br>
Phone:</b> +604-422-2528 | <b>Fax:</b> +604-420-1591 |
<b>Mobile:</b> +604-505-0291 <b><br>
Email:</b> </font><a href="mailto:jarmo.venalainen@schneider-electric.com"><font size=1 color=blue face="Arial"><u>jarmo.venalainen@schneider-electric.com</u></font></a><font size=1 face="Arial">
| <b>Site:</b></font><a href=http://www.sesolar.com/ target=_blank><font size=1 color=blue face="Arial"><u>
www.SEsolar.com</u></font></a><font size=1 face="Arial"> |
<b>Address:</b> 3700 Gilmore Way, Burnaby, BC V5G4M1 <br>
</font><font size=1 color=blue face="Arial"><u><br>
</u></font><a href="http:// www.sesolar.com/"><img src=cid:_2_0C383A5C0C6E889C0079427588257DD8></a><font size=1 face="Arial"><br>
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<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">From:</font>
<td><font size=1 face="sans-serif">toddcory@finestplanet.com</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">To:</font>
<td><font size=1 face="sans-serif">"RE-wrenches" <re-wrenches@lists.re-wrenches.org>,
</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Date:</font>
<td><font size=1 face="sans-serif">01/24/2015 10:37 AM</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Subject:</font>
<td><font size=1 face="sans-serif">Re: [RE-wrenches] Schneider 6048 power
output fluctuating widely</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Sent by:</font>
<td><font size=1 face="sans-serif">"RE-wrenches" <re-wrenches-bounces@lists.re-wrenches.org></font></table>
<br>
<hr noshade>
<br>
<br>
<br><font size=4 face="Arial">im not sure how the "brand-x" inverters
work, but my home system's gvfx3648 suffers from high line voltage, where
often when selling at max, the line voltage at the inverter will creep
up to the 130 vac limit. when this happens, the inverter doesn't cycle
off and on as suggested below, but it actually throttles back on selling
current to keep the voltage below the 130 vac limit. this raises the battery
voltage until the charge controller throttles back on the incoming pv current
to match.</font>
<br><font size=4 face="Arial"> </font>
<br><font size=4 face="Arial">todd</font>
<br><font size=4 face="Arial"> </font>
<br><font size=4 face="Arial"> </font>
<br><font size=4 face="Arial"><br>
<br>
On Saturday, January 24, 2015 8:17am, "Christopher Warfel" <cwarfel@entech-engineering.com>
said:<br>
</font>
<p><font size=4 face="Arial">Thank you, I will see if that is the solution
and get back to either way. Chris</font>
<br><font size=4 face="Arial">On 1/23/2015 3:39 PM, </font><a href="mailto:Jarmo.Venalainen@schneider-electric.com"><font size=4 color=blue face="Arial"><u>Jarmo.Venalainen@schneider-electric.com</u></font></a><font size=4 face="Arial">
wrote:</font>
<br><font size=2 face="Arial">Hi:</font><font size=4 face="Arial"> <br>
</font><font size=2 face="Arial"><br>
>From your description of the problem and the video, I suspect the problem
is due to:</font><font size=4 face="Arial"> <br>
</font><font size=2 face="Arial"><br>
1. The inverter is exporting very near full power.</font><font size=4 face="Arial">
</font><font size=2 face="Arial"><br>
2. The grid voltage rises which at the same AC current results in larger
export power flow above the inverters limit.</font><font size=4 face="Arial">
</font><font size=2 face="Arial"><br>
3. The inverter stops exporting due to reaching its power limit</font><font size=4 face="Arial">
</font><font size=2 face="Arial"><br>
4. The inverter again starts exporting.....</font><font size=4 face="Arial">
</font><font size=2 face="Arial"><br>
5. Reaches power limit and stops.</font><font size=4 face="Arial">
</font><font size=2 face="Arial"><br>
6.etc.......</font><font size=4 face="Arial"> <br>
</font><font size=2 face="Arial"><br>
I.E. since the inverter is working close to its power limit on a grid with
fluctuating voltage, it goes in and out of max power limit. </font><font size=4 face="Arial"><br>
</font><font size=2 face="Arial"><br>
One way to test if this is the cause is to reduce the Sell Amps so that
you are not operating at the power limit of the inverter.</font><font size=4 face="Arial">
<br>
</font><font size=2 face="Arial"><br>
JARMO</font><font size=3 color=#008000 face="Arial"><br>
_____________________________________________________________________________________</font><font size=3 face="Arial">
</font><font size=1 face="Arial"><b><br>
<br>
Jarmo Venalainen</b> | </font><font size=1 color=#008000 face="Arial"><b>
Schneider Electric </b></font><font size=1 face="Arial"><b> | Solar
Business</b> | <b>CANADA</b> | <b>Training &
Development Specialist - Senior</b> <b><br>
Phone:</b> +604-422-2528 | <b>Fax:</b> +604-420-1591 |
<b>Mobile:</b> +604-505-0291 <b><br>
Email:</b> </font><a href="mailto:jarmo.venalainen@schneider-electric.com"><font size=1 color=blue face="Arial"><u>jarmo.venalainen@schneider-electric.com</u></font></a><font size=1 face="Arial">
| <b>Site:</b></font><a href=http://www.sesolar.com/ target=_blank><font size=1 color=blue face="Arial"><u>
www.SEsolar.com</u></font></a><font size=1 face="Arial"> |
<b>Address:</b> 3700 Gilmore Way, Burnaby, BC V5G4M1 </font><font size=1 color=blue face="Arial"><u><br>
</u></font><font size=4 color=blue face="Arial"><u><br>
</u></font><a href=http://%20www.sesolar.com/><img src=cid:_2_0C330DB80C3637D00079427588257DD8 width=468 height=131></a><font size=1 face="Arial"><br>
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<br>
</font>
<table width=100%>
<tr valign=top>
<td width=12%><font size=1 color=#5f5f5f>From:</font>
<td width=87%><font size=1>Christopher Warfel </font><a href="mailto:cwarfel@entech-engineering.com"><font size=1 color=blue><u><cwarfel@entech-engineering.com></u></font></a>
<tr valign=top>
<td><font size=1 color=#5f5f5f>To:</font>
<td><a href="mailto:re-wrenches@lists.re-wrenches.org"><font size=1 color=blue><u>re-wrenches@lists.re-wrenches.org</u></font></a><font size=1>,
</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f>Date:</font>
<td><font size=1>01/23/2015 12:07 PM</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f>Subject:</font>
<td><font size=1>[RE-wrenches] Schneider 6048 power output fluctuating
widely</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f>Sent by:</font>
<td><font size=1>"RE-wrenches" </font><a href="mailto:re-wrenches-bounces@lists.re-wrenches.org"><font size=1 color=blue><u><re-wrenches-bounces@lists.re-wrenches.org></u></font></a></table>
<br><font size=4 face="Arial"><br>
</font>
<hr noshade><font size=4 face="Arial"><br>
<br>
</font><font size=2 face="Arial"><br>
We installed a XW 6048 that has wide power output fluctuations over <br>
several seconds. Lights flicker, and the inverter squeals. It happens <br>
multiple times in a minute The inverter was replaced to no avail.
I <br>
suspect the local utility's poor line maintenance. When the inverter <br>
begins to drop off line, the voltage sags from 123 to 117. This is
<br>
still within normal parameters, so I don't understand why the inverter
<br>
would begin to power down. Here is a youtube video of it if anyone
has <br>
ever seen this before. Schneider has assisted us several times, but <br>
cannot find any reason for this happening as a result of their technology.<br>
</font><font size=4 color=blue face="Arial"><u><br>
</u></font><a href="http://youtu.be/EqMwv44p-lc"><font size=2 color=blue face="Arial"><u>http://youtu.be/EqMwv44p-lc</u></font></a><font size=2 face="Arial"><br>
<br>
</font><font size=4 color=blue face="Arial"><u><br>
</u></font><a href="http://youtu.be/ADaL-gEbj4w"><font size=2 color=blue face="Arial"><u>http://youtu.be/ADaL-gEbj4w</u></font></a><font size=2 face="Arial"><br>
<br>
<br>
Thank you, Chris<br>
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