date:20200225

Re: [RE-wrenches] Solectria TL woes

2020-02-25 Thread Andrew Truitt

I'm with you guys and we actually had a bad transformer bushing at this
site initially which was causing exactly that issue.  The site still runs
high (498-508Vac nominal) but is well below the 528V default upper limit of
the TLs, and the shut-offs are not correlated with higher AC voltages.
Also the 50TLs, which have the same voltage input window and are connected
at the same panel, never have an issue.  The fact that Solectria is willing
to RMA the units without much more information than what I've given here
tells me that it may be a systemic issue with this run of inverters, right?

Jerry, the inverters are loaded at a 1.18 ratio so minor clipping happens
somewhat regularly.  DC voltage never exceeds the 850V upper MPPT limit.


Regards,

Andrew Truitt

www.dr.ventures
d: 202.486.7507

NABCEP Certified PV Installation Professional ID: 032407-66
Colorado Journeyman Electrician License No.: 600132



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On Tue, Feb 25, 2020 at 2:02 PM Jason Szumlanski <
ja...@floridasolardesigngroup.com> wrote:

> It sure looks like it could be an AC voltage issue. Around here the
> utility voltage is often high in the morning and then gets dragged down
> when loads in the neighborhood spike from air conditioning (yes, even in
> winter here in Florida). We see drop-outs (with other brand inverters) in
> the mid-morning as a result. Usually the utilities here will resolve it if
> you demonstrate the voltage is high, even if it's not out of their
> acceptable range.
>
> Jason Szumlanski
>
>
>
> On Tue, Feb 25, 2020 at 3:16 PM Jerry Shafer 
> wrote:
>
>> Andrew
>> What is the AC Voltage when this occurs, to much VAC will shut down the
>> inverter. It also looks like you are clipping all the inverters during the
>> mid day, is due to low temps or does this always happen. What is the DC
>> MPPT voltage, is it at the upper limit.
>> Jerry
>> NABCEP PV inspector
>>
>> On Tue, Feb 25, 2020, 12:02 PM Andrew Truitt  wrote:
>>
>>>
>>> Wrenches,
>>>
>>> I have a couple of Solectria 36TLs at a small community solar site in CO
>>> that shut themselves down occasionally for what appears to be no reason.
>>>
>>> [image: image.png]
>>>
>>> Voltages and frequency are normal, firmware is updated, IR scan shows
>>> nothing irregular, and the other 2 inverters at the site (50TLs) are fine.
>>> It can happen under sunny or cloudy conditions.  Solectria will RMA the
>>> inverters but before I go out and replace I'm curious if anyone has seen
>>> this behavior?
>>>
>>>
>>> Regards,
>>>
>>> Andrew Truitt
>>>
>>> www.dr.ventures
>>> d: 202.486.7507
>>>
>>> NABCEP Certified PV Installation Professional ID: 032407-66
>>> Colorado Journeyman Electrician License No.: 600132
>>>
>>>
>>> 
>>>
>>> [image: Logo]
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Re: [RE-wrenches] Web portal Insight2 not making remote changes for some.

2020-02-25 Thread Dave Angelini Offgrid Solar

Concur with Sandra completely.

All of my clients are having no
problems with Insight2 as far as what Howie wrote. It has been very
reliable for about a year now.

The remote programming with Insight2 has
had a few issues but it is on the sched to be fixed. Many are working fine
but a few are not and that is what Trevor addressed in a troubleshooting
tool. The Gateway can be remote programmed also and has had very few
problems since beta testing. Even then it was solid.

DAVE ANGELINI
OFFGRID SOLAR

"we go where powerlines
don't"
http://members.sti.net/offgridsolar/ [1]
e-mail offgridso...@sti.net
[2]
text 209 813 0060

On Tue, 25 Feb 2020 19:24:37 +, Sandra Herrera
wrote:

Howie,

The "no communication" issues on Insight2 was solved
when we update to Gateway firmware 1.05, and in parallel, we updated the
Insight2 platform.

The issue Dave is mentioning is on making programming
changes.

If you still have a site (with the latest firmware on the
Gateway) but still no communication. Please contact me off-list.

Sandra
Herrera

sandra.herr...@se.com

FROM: RE-wrenches ON BEHALF OF Howie
Michaelson
SENT: Tuesday, February 25, 2020 10:58 AM
TO: Dave Angelini ;
RE-wrenches
SUBJECT: Re: [RE-wrenches] Web portal Insight2 not making
remote changes for some.

[External email: Use caution with links and
attachments]
-

Dave,

Do these problems
encompass having sites that previously were configured and operating on
Insight2, but for at least the last month or 2 have shown up on the home
page, but either show no connectivity or no devices? This has been my
experience and it is a major issue since I sold my clients on the remote
monitoring and configuration capability of the XW. I have spoken with tech
support several times with no resolution...

Howie

On Tue, Feb 25,
2020 at 11:21 AM Dave Angelini Offgrid Solar wrote:

Hi Wrenches,

Some who have been experiencing the inability to remotely control with
Insight2 should know that a fix is on it's way. I got this yesterday. There
was also a Gateway and mobile App update on the Schneider site. You may
want to try it again soon and let me know please. Thx!

Hi Dave,

We
are working on a new firmware which will help to troubleshoot this issue.
We have already identified a cloud side issue which is being implemented as
we speak and it should address a bunch of failures.

If you want, you can
post a note on Wrenches and tell them that your "inside contact" has
confirmed a fix is being worked on 😊

We should have something ready in a
week or 2.

Trevor.

TREVOR MONK

Technical Manager - Embedded
Software
Solar Business

DAVE ANGELINI OFFGRID SOLAR

"WE GO WHERE
POWERLINES DON'T"

E-MAIL

TEXT 209 813
0060

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Re: [RE-wrenches] Solectria TL woes

2020-02-25 Thread Jason Szumlanski

It sure looks like it could be an AC voltage issue. Around here the utility
voltage is often high in the morning and then gets dragged down when loads
in the neighborhood spike from air conditioning (yes, even in winter here
in Florida). We see drop-outs (with other brand inverters) in the
mid-morning as a result. Usually the utilities here will resolve it if you
demonstrate the voltage is high, even if it's not out of their acceptable
range.

Jason Szumlanski



On Tue, Feb 25, 2020 at 3:16 PM Jerry Shafer 
wrote:

> Andrew
> What is the AC Voltage when this occurs, to much VAC will shut down the
> inverter. It also looks like you are clipping all the inverters during the
> mid day, is due to low temps or does this always happen. What is the DC
> MPPT voltage, is it at the upper limit.
> Jerry
> NABCEP PV inspector
>
> On Tue, Feb 25, 2020, 12:02 PM Andrew Truitt  wrote:
>
>>
>> Wrenches,
>>
>> I have a couple of Solectria 36TLs at a small community solar site in CO
>> that shut themselves down occasionally for what appears to be no reason.
>>
>> [image: image.png]
>>
>> Voltages and frequency are normal, firmware is updated, IR scan shows
>> nothing irregular, and the other 2 inverters at the site (50TLs) are fine.
>> It can happen under sunny or cloudy conditions.  Solectria will RMA the
>> inverters but before I go out and replace I'm curious if anyone has seen
>> this behavior?
>>
>>
>> Regards,
>>
>> Andrew Truitt
>>
>> www.dr.ventures
>> d: 202.486.7507
>>
>> NABCEP Certified PV Installation Professional ID: 032407-66
>> Colorado Journeyman Electrician License No.: 600132
>>
>>
>> 
>>
>> [image: Logo]
>>
>> The content of this email is confidential and intended for the recipient
>> specified in this message only. It is strictly forbidden to share any part
>> of this message with any third party, without written consent of the
>> sender. If you received this message by mistake, please reply to this
>> message and follow with its deletion, so that we can ensure such a mistake
>> does not occur in the future.
>> ___
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>>
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Re: [RE-wrenches] Solectria TL woes

2020-02-25 Thread Jeff Irish, PE

Andrew, I've seen this in multiple inverter systems when the AC voltage
gets pushed outside the upper limit by the inverter output currents.  One
or two inverters will cycle on-off, those with the lowest setting or
tolerance.  Cause can be (1) high AC voltage from the utility to start
with, and/or (2) high impedance looking into the grid from the inverters,
usually from an undersized or loose service conductor.
Jeff

On Tue, Feb 25, 2020 at 3:16 PM Jerry Shafer 
wrote:

> Andrew
> What is the AC Voltage when this occurs, to much VAC will shut down the
> inverter. It also looks like you are clipping all the inverters during the
> mid day, is due to low temps or does this always happen. What is the DC
> MPPT voltage, is it at the upper limit.
> Jerry
> NABCEP PV inspector
>
> On Tue, Feb 25, 2020, 12:02 PM Andrew Truitt  wrote:
>
>>
>> Wrenches,
>>
>> I have a couple of Solectria 36TLs at a small community solar site in CO
>> that shut themselves down occasionally for what appears to be no reason.
>>
>> [image: image.png]
>>
>> Voltages and frequency are normal, firmware is updated, IR scan shows
>> nothing irregular, and the other 2 inverters at the site (50TLs) are fine.
>> It can happen under sunny or cloudy conditions.  Solectria will RMA the
>> inverters but before I go out and replace I'm curious if anyone has seen
>> this behavior?
>>
>>
>> Regards,
>>
>> Andrew Truitt
>>
>> www.dr.ventures
>> d: 202.486.7507
>>
>> NABCEP Certified PV Installation Professional ID: 032407-66
>> Colorado Journeyman Electrician License No.: 600132
>>
>> 
>>
>> [image: Logo]
>>
>> The content of this email is confidential and intended for the recipient
>> specified in this message only. It is strictly forbidden to share any part
>> of this message with any third party, without written consent of the
>> sender. If you received this message by mistake, please reply to this
>> message and follow with its deletion, so that we can ensure such a mistake
>> does not occur in the future.
>> ___
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-- 

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| Vice President

SunCommon.com  |  Main: 845-876-3767

13 Hook Road, Rhinebeck, NY 12572



SunCommon believes that everyone has the right to a healthy
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Re: [RE-wrenches] Solectria TL woes

2020-02-25 Thread Jerry Shafer

Andrew
What is the AC Voltage when this occurs, to much VAC will shut down the
inverter. It also looks like you are clipping all the inverters during the
mid day, is due to low temps or does this always happen. What is the DC
MPPT voltage, is it at the upper limit.
Jerry
NABCEP PV inspector

On Tue, Feb 25, 2020, 12:02 PM Andrew Truitt  wrote:

>
> Wrenches,
>
> I have a couple of Solectria 36TLs at a small community solar site in CO
> that shut themselves down occasionally for what appears to be no reason.
>
> [image: image.png]
>
> Voltages and frequency are normal, firmware is updated, IR scan shows
> nothing irregular, and the other 2 inverters at the site (50TLs) are fine.
> It can happen under sunny or cloudy conditions.  Solectria will RMA the
> inverters but before I go out and replace I'm curious if anyone has seen
> this behavior?
>
>
> Regards,
>
> Andrew Truitt
>
> www.dr.ventures
> d: 202.486.7507
>
> NABCEP Certified PV Installation Professional ID: 032407-66
> Colorado Journeyman Electrician License No.: 600132
>
> 
>
> [image: Logo]
>
> The content of this email is confidential and intended for the recipient
> specified in this message only. It is strictly forbidden to share any part
> of this message with any third party, without written consent of the
> sender. If you received this message by mistake, please reply to this
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[RE-wrenches] Solectria TL woes

2020-02-25 Thread Andrew Truitt

Wrenches,

I have a couple of Solectria 36TLs at a small community solar site in CO
that shut themselves down occasionally for what appears to be no reason.

[image: image.png]

Voltages and frequency are normal, firmware is updated, IR scan shows
nothing irregular, and the other 2 inverters at the site (50TLs) are fine.
It can happen under sunny or cloudy conditions.  Solectria will RMA the
inverters but before I go out and replace I'm curious if anyone has seen
this behavior?


Regards,

Andrew Truitt

www.dr.ventures
d: 202.486.7507

NABCEP Certified PV Installation Professional ID: 032407-66
Colorado Journeyman Electrician License No.: 600132



[image: Logo]

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Re: [RE-wrenches] Web portal Insight2 not making remote changes for some.

2020-02-25 Thread Sandra Herrera

Howie,

The “no communication” issues on Insight2 was solved when we update to Gateway 
firmware 1.05, and in parallel, we updated the Insight2 platform.

The issue Dave is mentioning is on making programming changes.

If you still have a site (with the latest firmware on the Gateway) but still no 
communication. Please contact me off-list.

Sandra Herrera
sandra.herr...@se.com




From: RE-wrenches  On Behalf Of 
Howie Michaelson
Sent: Tuesday, February 25, 2020 10:58 AM
To: Dave Angelini ; RE-wrenches 

Subject: Re: [RE-wrenches] Web portal Insight2 not making remote changes for 
some.


[External email: Use caution with links and attachments]




Dave,
Do these problems encompass having sites that previously were configured and 
operating on Insight2, but for at least the last month or 2 have shown up on 
the home page, but either show no connectivity or no devices?  This has been my 
experience and it is a major issue since I sold my clients on the remote 
monitoring and configuration capability of the XW. I have spoken with tech 
support several times with no resolution...
Howie

On Tue, Feb 25, 2020 at 11:21 AM Dave Angelini Offgrid Solar 
mailto:offgridso...@sti.net>> wrote:

Hi Wrenches,

Some who have been experiencing the inability to remotely control with Insight2 
should know that a fix is on it's way. I got this yesterday. There was also a 
Gateway and mobile App update on the Schneider site. You may want to try it 
again soon and let me know please. Thx!

"

Hi Dave,

 We are working on a new firmware which will help to troubleshoot this issue.  
We have already identified a cloud side issue which is being implemented as we 
speak and it should address a bunch of failures.

If you want, you can post a note on Wrenches and tell them that your "inside 
contact" has confirmed a fix is being worked on 😊

We should have something ready in a week or 2.



Trevor.

 Trevor Monk

Technical Manager - Embedded Software
Solar Business


--



Dave Angelini Offgrid Solar

"we go where powerlines don't"

http://members.sti.net/offgridsolar/

e-mail  offgridso...@sti.net

text 209 813 0060
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Re: [RE-wrenches] Web portal Insight2 not making remote changes for some.

2020-02-25 Thread Howie Michaelson

Dave,
Do these problems encompass having sites that previously were configured
and operating on Insight2, but for at least the last month or 2 have shown
up on the home page, but either show no connectivity or no devices?  This
has been my experience and it is a major issue since I sold my clients on
the remote monitoring and configuration capability of the XW. I have spoken
with tech support several times with no resolution...
Howie

On Tue, Feb 25, 2020 at 11:21 AM Dave Angelini Offgrid Solar <
offgridso...@sti.net> wrote:

> Hi Wrenches,
>
> Some who have been experiencing the inability to remotely control with
> Insight2 should know that a fix is on it's way. I got this yesterday. There
> was also a Gateway and mobile App update on the Schneider site. You may
> want to try it again soon and let me know please. Thx!
>
> "
>
> Hi Dave,
>
>  We are working on a new firmware which will help to troubleshoot this
> issue.  We have already identified a cloud side issue which is being
> implemented as we speak and it should address a bunch of failures.
>
> If you want, you can post a note on Wrenches and tell them that your
> "inside contact" has confirmed a fix is being worked on 😊
>
> We should have something ready in a week or 2.
>
>
>
> Trevor.
>
>  *Trevor Monk*
>
> Technical Manager - Embedded Software
> Solar Business
>
>
> --
>
>
>
> *Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/ 
> e-mail  offgridso...@sti.net 
> text 209 813 0060*
>
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[RE-wrenches] AIMS inverter

2020-02-25 Thread Kent Osterberg

Last week I was called to examine a solar power system installed by an 
Idaho electrical contractor. According to the owner of this system, this 
contractor has built several similar systems in the area.


The owner's complaint was that the AGM batteries kept failing. The work 
was done without permits. A non-UL listed AIMS inverter was installed. 
The inverter was setup to operate as a whole house backup system in 
battery priority mode. That was the only way for the solar system to do 
any work considering that the inverter can't be used for net metering. 
Trouble is the battery priority mode on the AIMS inverter discharges the 
batteries down to 42 volts before switching back to utility power to 
recharge. With an undersized solar system the batteries were being 
deeply cycled nearly every day, so of course the batteries weren't 
lasting worth a darn.


Please don't set these inverters up in battery priority mode; it'll do 
nothing except ruin batteries.


Kent Osterberg
Blue Mountain Solar
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[RE-wrenches] Web portal Insight2 not making remote changes for some.

2020-02-25 Thread Dave Angelini Offgrid Solar



Hi Wrenches, 

Some who have been experiencing the inability to remotely
control with Insight2 should know that a fix is on it's way. I got this
yesterday. There was also a Gateway and mobile App update on the Schneider
site. You may want to try it again soon and let me know please. Thx! 

"


Hi Dave, 

 We are working on a new firmware which will help to
troubleshoot this issue. We have already identified a cloud side issue
which is being implemented as we speak and it should address a bunch of
failures.  

If you want, you can post a note on Wrenches and tell them
that your "inside contact" has confirmed a fix is being worked on 😊  

We
should have something ready in a week or 2. 

Trevor. 

 TREVOR MONK 


Technical Manager - Embedded Software
Solar Business  

  -- 

Dave
Angelini Offgrid Solar
"we go where powerlines
don't"
http://members.sti.net/offgridsolar/ [1]
e-mail offgridso...@sti.net
[2]
text 209 813 0060
 

Links:
--
[1]
http://members.sti.net/offgridsolar/
[2] mailto:offgridso...@sti.net
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Re: [RE-wrenches] Solectria TL woes

Re: [RE-wrenches] Web portal Insight2 not making remote changes for some.

Re: [RE-wrenches] Solectria TL woes

Re: [RE-wrenches] Solectria TL woes

Re: [RE-wrenches] Solectria TL woes

[RE-wrenches] Solectria TL woes

Re: [RE-wrenches] Web portal Insight2 not making remote changes for some.

Re: [RE-wrenches] Web portal Insight2 not making remote changes for some.

[RE-wrenches] AIMS inverter

[RE-wrenches] Web portal Insight2 not making remote changes for some.

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