Take the covers off XW+ Boss ! Go to webinar this Thursday below.
Happy Sunday !
-------------------------------------------------------------------------------------------
Hi Friends,
Because we ran out of time during the XW Pro Troubleshooting webinar, we
weren't able to take any questions.
I wanted to give you the opportunity to join this follow-up webinar, and
this time I promise to leave plenty of time for Q&A.
This session will encapsulate all of the most popular and informative
topics into one session.
✅ Understanding what sets XW Pro apart from the competition
✅ Essentials of designing a system
✅ Monitoring options
✅ Q&A
Register today!
https://solar.se.com/us/en/event/xw-pro-performance-design-and-monitoring/
[1]
I look forward to seeing you then .Eric
Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail offgridso...@sti.net
text 209 813 0060
On 2023-07-23 7:40 am, Howie Michaelson via RE-wrenches wrote:
Jay,
I'm not sure what Schneider has to say, since Tech Support has been
impossible to reach this week (apparently something is wrong with their
phone system) and it was only recently that we determined the cause.
It should be under warranty, unless there is lightning damage. I will
write to my support contacts and see if they have anything helpful to
offer via email, although I find that form of communication with them
to often be less than satisfactory.
Howie
On Sun, Jul 23, 2023 at 8:54 AM Jay via RE-wrenches
<re-wrenches@lists.re-wrenches.org> wrote:
Given that it worked fine for years it would appear that the XW+ has an
issue.
I don't see how the SE could cause this.
Is it still under warranty? What does Schneider say about the issue.
Jay
On Jul 22, 2023, at 10:33 PM, Howie Michaelson via RE-wrenches
<re-wrenches@lists.re-wrenches.org> wrote:
Michael, that is my last ditch choice as I will be eating the cost and
time. When I installed this setup 4+ years ago, having done a few
similar installations (although mostly on grid), I had not seen any
issue with the design, nor heard anyone else suggesting that this
design might cause this type of issue. And this did not become an issue
at this site until a few months ago, having operated well until then.
As I am now hearing, the XW+ is not well equipped to handle voltage
regulation when dealing with AC coupled inverters. I don't really
understand why the issue is just now showing up, although I suppose it
could possibly be due to lightning damage. If the only solution is to
install a high voltage charge controller, so be it. Unfortunately this
won't be an insignificant cost in dollars and time, a cost I'm not
excited to be affording, particularly right now after taking on some
substantial losses due to our recent historical flooding. If there was
another, less expensive solution, I'd be happy to hear about it. Sorry
to sound whiny, I'm just not very happy about this eventuality...
Howie
Sun Catcher
Solar Electric Systems Sales & Service
802-272-0004
On Sat, Jul 22, 2023 at 11:49 PM Michael Morningstar via RE-wrenches
<re-wrenches@lists.re-wrenches.org> wrote:
Replacing SE with Conext 600-100😊, Seriously, everything will then play
nice together, and it's only a matter of time before the SE has to go.
On Sat, Jul 22, 2023 at 4:02 PM Howie Michaelson via RE-wrenches
<re-wrenches@lists.re-wrenches.org> wrote:
Hi,
I was finally able to get to the site with the light pulsating issue.
It turns out it is that it directly corresponds to the AC coupled
SolarEdge HDwave 6kW inverter. Moreover, the pulsating gets stronger
with higher output of the SolarEdge inverter (as more sun pouches more
current through the inverter). And the hum of the XW+ very noticeably
fluctuates in direct proportion to light fluxuations. It affects all
the lights in the house, regardless of manufacturer, wattage or age. I
did not have an oscilloscope, but looking at the Hz, it does sag very
slightly to 59.9 when the SolarEdge is producing, down from a rock
solid 60 Hz when the SE is not producing. The output voltage does not
change at all. The fluctuations in both the lights and the inverter
hum immediately stops when the SolarEdge production is shut off. So it
is clearly some interaction between the 2 inverters causing this issue.
Has anyone dealt with this issue before? Does anyone have any
suggestions for dealing with this, short of replacing the SolarEdge
with a Schneider high voltage Charge Controller?
Thanks,
Howie
On Mon, Jul 3, 2023, 7:09 PM Dave Angelini Offgrid Solar via
RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:
I think I would try eliminating things. Turn off the AC coupling for a
few days and get results. Turn of DC solar and get results. Measure AC
voltage with a scope or just observe voltage during the flicker. Are
all of the lights flickering? Are they on dimmers? Are there any loads
failing that could be the source? Is the output with-in spec? Rock
solid 60 HZ right.
Do an AC bypass of XW with the genset and check for flicker symptoms.
Are they on Insight? They really need it for you to monitor. Are there
any faults, warnings or events ? Check history. There are a few
settings in the old XW+ that could have been glitched by a surge or
nearby lightning strike.
XW+ could have a damaged FET. Open the unit and do a visual.
There would be a smell and transistor fragments on the bottom right
side of the power bridge. 90% of XW failures have visual evidence.
While you have it open, Check the DSP sensing and control board, both
LEDs (light-emitting diodes) D24 and D25 are on.
Last thing is a DC power down of the unit and the DC buss for 5
minutes. If that does not work, then a reset to factory values.
This is off an old list I got from Support many years ago and combined
with my findings over the years. Really rare for this kind of weirdness
and why it would be getting worse without visual evidence.
Good Luck Howie!
Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail offgridso...@sti.net
text 209 813 0060
On 2023-07-03 12:42 pm, Howie Michaelson via RE-wrenches wrote:
Hi All,
I upgraded an old clients' off-grid system about five years ago to a
Schneider XW6848+ and 2 Blue Ion 2.0 cabinets (32kWh). When the
batteries were moving toward full, if the charge rate was on the higher
side via generator or solar (AC coupled w/SolarEdge 6kW and DC coupled
with an FM 80), they would start to get pulsating lights similar to
symptoms of other older inverters when using a generator for charging.
The solution for this pulsation has usually been to kick back the AC
charge amperage just enough so the pulsating calmed down to a tolerable
inconsequential level. And that worked in this case as well.
However, a few weeks ago, the pulsating became more noticeable and has
now become fairly intolerable. To my knowledge, no settings changes we
made within the previous year, and these clients would be loath to make
any changes, so I doubt there were any. More puzzling is the pulsating
has started to happen at seemingly random times not related to
charging. It happens at night or pre-dawn mornings without the
generator, or during the afternoons with solar charging. And it is
getting progressively worse.
Anyone have any thoughts on why that would start getting worse now?
Howie
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Michael Morningstar
Morningstar Electric
PO Box 1494
Mount Shasta, CA 96067
530-921-0560
mjmornings...@gmail.com
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