Re: [RE-wrenches] Industry Publications

[Michael Welch]

Hi gang.  Please comment to me off list about this.
The online search feature for Home Power wasn't as good as we would have
liked, though it was adequate for some uses. 
But now you can download ALL the back issues to your computers (at no
cost). Then if you have the paid version of Acrobat (Acrobat Pro), it can
completely catalog every word in every issue, and use some very advanced
search features.
I have Acrobat Pro and do this and find it very useful. You could do the
same thing with SolarPro. Here are the download addresses:
www.homepower.com

www.solarprofessional.com
For those of you without the full Acrobat version, I would consider
doing the catalog indexing and making all available, with indexes usable
in free Acrobat Reader. It would be fairly time-consuming and require a
lot of bandwidth for downloading (and uploading for me), but if enough of
you want it it would be worthwhile.
Again, please give me your thoughts and desires off list.
 
Corey Shalanski wrote at 03:57 PM 4/17/2020:
 
Related question: I always
considered the Home Power and SolarPro article search
features to be really valuable parts of their websites, but neither of
these appear to be still available. I believe the HPÂ article
archive DVD supports keyword searches (via Acrobat or other PDF viewer),
but I am looking for more of an online-based option. Is anyone aware of
any other efforts to catalog the articles and/or develop a searchable
keyword database?
-Corey

On Thu, Apr 16, 2020 at 11:28 PM Corey Shalanski
Â
wrote:

Wrenches,

Like myself, I imagine many folks on this list were avid readers of
"Home Power" and "SolarPro" magazines. I know some of
you were even active contributors to these two wonderful
publications.

Is anyone aware of any similar resources - geared toward system
designers/installers/technicians (or just general enthusiasts)? Besides
this list, where are Wrenches turning to nowadays for relevant discussion
of current industry topics?

--
Corey Shalanski
Jah Light Solar
Portland, Jamaica
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Re: [RE-wrenches] Industry Publications

[Corey Shalanski]

Related question: I always considered the *Home Power* and *SolarPro *article
search features to be really valuable parts of their websites, but neither
of these appear to be still available. I believe the *HP* article archive
DVD supports keyword searches (via Acrobat or other PDF viewer), but I am
looking for more of an online-based option. Is anyone aware of any other
efforts to catalog the articles and/or develop a searchable keyword
database?
-Corey


On Thu, Apr 16, 2020 at 11:28 PM Corey Shalanski  wrote:

>
> Wrenches,
>
> Like myself, I imagine many folks on this list were avid readers of "Home
> Power" and "SolarPro" magazines. I know some of you were even active
> contributors to these two wonderful publications.
>
> Is anyone aware of any similar resources - geared toward system
> designers/installers/technicians (or just general enthusiasts)? Besides
> this list, where are Wrenches turning to nowadays for relevant discussion
> of current industry topics?
>
> --
> Corey Shalanski
> Jah Light Solar
> Portland, Jamaica
>
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Re: [RE-wrenches] Stand alone battery charger

[Dave Angelini Offgrid Solar]

I use the CSW 4048. It has a 50 amp charger. A good spare for clients.
Get 2 of them. Repurpose an old Radian or XW well over 100A. XW+ is 140adc.


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 Fri, 17 Apr 2020 14:21:14 -0400, Jason Szumlanski
wrote:  I'm looking for a standalone 51V nominal battery charger suitable
for a LiPO battery with 2-stage charging and adjustable setpoints for max
current and battery voltage. It would require dual chargers with 100A
capacity (I want dual chargers for redundancy so I have at least 50%
capacity if one goes bad). Ideally they would sync up so they change stages
simultaneously, but I'm not sure if that's really important.Who makes
something like that?   Jason Szumlanski   

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Re: [RE-wrenches] Rectifier

[Mac Lewis]

Hi Wrenches,

>From a power perspective, I'm comfortable with a 5000W inverter, covering
some peak intermittent loads.  As far as kWh/day, its going to be in the
10-15 kWh range I believe.  if the rectifier and/or battery charger would
do ~700-1000W 24/7, it should be plenty from a power perspective.  Kirpal,
I think your idea is sound, and I may do it but I have to see how the
typical voltage profile looks.  Grid support mode might be very effective,
but it may be better to rectify.  Its a sprawling farm property with quite
a few loads tapped into the feeder circuit, so the sag might be
significant.  I can see them using that feeder for livestock tank heaters
and irrigation pumps etc.

Thanks for all of the info!

On Fri, Apr 17, 2020 at 9:30 AM Jay  wrote:

> Hi Mac
>
> All depends on how much power do you want out there?
>
> Jay
>
> Peltz power
>
>
>
>
> On Apr 17, 2020, at 7:08 AM, Glenn Burt  wrote:
>
> 
> How about a transformer at each end?
> Step up the voltage.
>
> -Glenn
> Sent from my 'smart'phone, so please excuse typos and spelling errors.
>
> -- Original message--
> *From: *Mac Lewis
> *Date: *Fri, Apr 17, 2020 9:15 AM
> *To: *RE-wrenches;
> *Cc: *
> *Subject:*[RE-wrenches] Rectifier
>
> Hi wrenches,
>
> I've got a architect client with a sub-optimal power situation on one of
> the projects he is working on.  I'm running through a couple of scenarios
> that may work.  Its a ADU (accessory dwelling unit) that is about 1100'
> from power.  The farmer had taken it upon himself to bury some 4/0 a few
> years ago to run power out there.  Voltage drop is the big issue and its
> not going to pass the AHJ inspection.  We could just ditch the grid and go
> off-grid, but it seems like a shame to not tap into the grid resource.
> Instead of dealing with the voltage drop, I was thinking it may make sense
> to rectify that low AC voltage input and parallel a smallish battery bank
> (size is yet to be determined), then use an off-grid inverter to serve the
> loads at good voltage.
>
> I am looking for feedback on this concept.  What do you think?
>
> Also, are there any recommendations for good quality rectifiers with wide
> input voltage window?
>
> Thanks in advance for your help
>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
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-- 



Mac Lewis

*"Yo solo sé que no sé nada." -Sócrates*
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Re: [RE-wrenches] Xantrex MPPT 80 600 Not Showing Up in SCP

[Jeff Clearwater]

Hey Kirk,

yes shielded cable does little good if you don't ground the little wire 
provided at least at one end.  I just run a ground wire and tape it to 
the CAT cable.


Kirk Herander wrote on 4/17/20 5:50 AM:


So you terminate the shield somehow outside of the RJ45 connector?


On 4/16/2020 9:01:53 PM, Jeff Clearwater 
 wrote:


When I did my cable swap and reconfiguration that fixed it I also was 
more careful to route the xanbus cables away from the batter/inverter 
cables - thinking that perhaps induction was the culprit.  As I have 
an rj45 crimp tool and some shielded CAT5e in the truck I think I'll 
just make up my own cables in the future after spending way more time 
than that troubleshooting.


Best of luck!

jc

Jason Szumlanski wrote on 4/16/20 3:00 PM:
I tried swapping the cables for the XW and MPPT. After reboot the XW 
continued to show up on the SCP but the MPPT did not. I didn't have 
another cable, but this suggests the cable is not the problem. I 
didn't think to change the order, however.


*

*


On Thu, Apr 16, 2020 at 5:57 PM Jeff Clearwater 
mailto:je...@villagelab.net>> wrote:


Hey Jason,

I had a SCP xanbus system once that refused to show a component
- The fix was replacing the cheap ethernet wires that schneider
provided with better cables and/or changing the order of the
components in the series comm string.  not sure which did it as
I did both changes at once but I do suspect those white cables.

Best,

Jeff

Jason Szumlanski wrote on 4/16/20 1:03 PM:

I am working with a client (not my install) with a XW6048 and
MPPT 80 600 with a SCP. The SCP is not showing the MPPT in the
setup menu. I am able to access the system settings and XW
configuration, but not the MPPT settings. It is connected via
Xanbus in this manner:

SCP -> MPPT -> XW

So the MPPT is in the middle and is passing through the XW
signal just fine.

The MPPT also has a red error light illuminated, but it is
charging the battery (positive current measured via clamp meter).

Any ideas?

Thanks,

Jason Szumlanski

*

*


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-- 
~~~

Jeff Clearwater
VillageLab
Village Power Design
linkedin



www.villagelab.net


www.villagepowerdesign.com


skype - jclearwater
zoom by request
cell - 413-559-9763
~~~



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~~~
Jeff Clearwater
Village Power Design
linkedin 
www.villagepowerdesign.com 
cell - 413-559-9763
~~~



--
~~~
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Village Power Design
linkedin 
www.villagepowerdesign.com 
cell - 

Re: [RE-wrenches] Stand alone battery charger

[Jason Szumlanski]

I guess I should mention... 240V input from a generator. If the charger
could ramp up the charge rate slowly, that would be helpful.

On Fri, Apr 17, 2020, 2:21 PM Jason Szumlanski <
ja...@floridasolardesigngroup.com> wrote:

> I'm looking for a standalone 51V nominal battery charger suitable for a
> LiPO battery with 2-stage charging and adjustable setpoints for max current
> and battery voltage. It would require dual chargers with 100A capacity (I
> want dual chargers for redundancy so I have at least 50% capacity if one
> goes bad). Ideally they would sync up so they change stages simultaneously,
> but I'm not sure if that's really important.
>
> Who makes something like that?
>
> Jason Szumlanski
>
>
>
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[RE-wrenches] Stand alone battery charger

[Jason Szumlanski]

I'm looking for a standalone 51V nominal battery charger suitable for a
LiPO battery with 2-stage charging and adjustable setpoints for max current
and battery voltage. It would require dual chargers with 100A capacity (I
want dual chargers for redundancy so I have at least 50% capacity if one
goes bad). Ideally they would sync up so they change stages simultaneously,
but I'm not sure if that's really important.

Who makes something like that?

Jason Szumlanski
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Re: [RE-wrenches] Xantrex MPPT 80 600 Not Showing Up in SCP

[Dave Angelini Offgrid Solar]

There is just as much shielding inside Schneider, Outback or most any
electronics that are designed for networking. It is Engineered in. Canbus,
modbus, ">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 Fri, 17 Apr 2020 10:03:10 -0400, Tump  wrote: One
can use shielded ends but there is NO shielding in place for the connector
inside the Schneider components. The most important thing is either
enclosing the com cables inside the shielding tin inside the PDP or wire
the cables outside of the devices. They (Schneider) had suggested 6' cables
there are folks that say that the supplied cables from Sch. are of poor
quality. I have the config tool that in these situations really does help,
having my own SCP, installing updated firmware, turning everything off &
waiting few mins. + unplugging  border-left:#1010ff 2px solid;
margin-left:5px; width:100%"> On Apr 17, 2020, at 8:50 AM, Kirk Herander 
wrote: 
  So you terminate the shield somehow outside of the RJ45
connector?

On 4/16/2020 9:01:53 PM, Jeff Clearwater  wrote: When I did my
cable swap and reconfiguration that fixed it I also was more careful to
route the xanbus cables away from the batter/inverter cables - thinking
that perhaps induction was the culprit. As I have an rj45 crimp tool and
some shielded CAT5e in the truck I think I'll just make up my own cables in
the future after spending way more time than that troubleshooting.

 Best
of luck!

 jc

 Jason Szumlanski wrote on 4/16/20 3:00 PM:
I tried
swapping the cables for the XW and MPPT. After reboot the XW continued to
show up on the SCP but the MPPT did not. I didn't have another cable, but
this suggests the cable is not the problem. I didn't think to change the
order, however.
  On Thu, Apr 16, 2020 at 5:57 PM
Jeff Clearwater  wrote:  Hey Jason,

 I had a SCP xanbus system once that
refused to show a component - The fix was replacing the cheap ethernet
wires that schneider provided with better cables and/or changing the order
of the components in the series comm string. not sure which did it as I did
both changes at once but I do suspect those white cables.

 Best,

 Jeff


Jason Szumlanski wrote on 4/16/20 1:03 PM:
   I am working with a client
(not my install) with a XW6048 and MPPT 80 600 with a SCP. The SCP is not
showing the MPPT in the setup menu. I am able to access the system settings
and XW configuration, but not the MPPT settings. It is connected via Xanbus
in this manner:   SCP -> MPPT -> XW   So the MPPT is in the middle and is
passing through the XW signal just fine.   The MPPT also has a red error
light illuminated, but it is charging the battery (positive current
measured via clamp meter).   Any ideas?   Thanks,   Jason Szumlanski   
   

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Re: [RE-wrenches] Industry Publications

[Philip Lawes Insoltech]

I wish there were.

 

 

 



Philip N Lawes

172 Wave St.

Laguna Beach, Ca. 92651

Office: 949-497-6300

Cell:  949-510-0687

Email: p...@insoltechsolar.com

 

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Corey Shalanski
Sent: Thursday, April 16, 2020 9:29 PM
To: re-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] Industry Publications

 

Wrenches,

 

Like myself, I imagine many folks on this list were avid readers of "Home 
Power" and "SolarPro" magazines. I know some of you were even active 
contributors to these two wonderful publications.

 

Is anyone aware of any similar resources - geared toward system 
designers/installers/technicians (or just general enthusiasts)? Besides this 
list, where are Wrenches turning to nowadays for relevant discussion of current 
industry topics?

 

--

Corey Shalanski

Jah Light Solar

Portland, Jamaica

 

 

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Re: [RE-wrenches] Rectifier

[Jay]

Hi Mac

All depends on how much power do you want out there?

Jay

Peltz power




> On Apr 17, 2020, at 7:08 AM, Glenn Burt  wrote:
> 
> 
> How about a transformer at each end?
> Step up the voltage.
> 
> -Glenn
> Sent from my 'smart'phone, so please excuse typos and spelling errors.
> 
> -- Original message--
> From: Mac Lewis
> Date: Fri, Apr 17, 2020 9:15 AM
> To: RE-wrenches;
> Cc:
> Subject:[RE-wrenches] Rectifier
> 
> Hi wrenches,
> 
> I've got a architect client with a sub-optimal power situation on one of the 
> projects he is working on.  I'm running through a couple of scenarios that 
> may work.  Its a ADU (accessory dwelling unit) that is about 1100' from 
> power.  The farmer had taken it upon himself to bury some 4/0 a few years ago 
> to run power out there.  Voltage drop is the big issue and its not going to 
> pass the AHJ inspection.  We could just ditch the grid and go off-grid, but 
> it seems like a shame to not tap into the grid resource.  Instead of dealing 
> with the voltage drop, I was thinking it may make sense to rectify that low 
> AC voltage input and parallel a smallish battery bank (size is yet to be 
> determined), then use an off-grid inverter to serve the loads at good voltage.
> 
> I am looking for feedback on this concept.  What do you think?
> 
> Also, are there any recommendations for good quality rectifiers with wide 
> input voltage window?  
> 
> Thanks in advance for your help
> 
> -- 
> 
> 
> 
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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Re: [RE-wrenches] Rectifier

[Jerry Shafer]

Cory, Wrenches
I had this at a golf course, we used the existing wire as a lower amp feed
to out Outback blue planet system, with proper programing and an ac to dc
48 volt 1000 watt charger. There was a small PV component and away it went,
worked great.
Jerry

On Fri, Apr 17, 2020, 6:15 AM Mac Lewis  wrote:

> Hi wrenches,
>
> I've got a architect client with a sub-optimal power situation on one of
> the projects he is working on.  I'm running through a couple of scenarios
> that may work.  Its a ADU (accessory dwelling unit) that is about 1100'
> from power.  The farmer had taken it upon himself to bury some 4/0 a few
> years ago to run power out there.  Voltage drop is the big issue and its
> not going to pass the AHJ inspection.  We could just ditch the grid and go
> off-grid, but it seems like a shame to not tap into the grid resource.
> Instead of dealing with the voltage drop, I was thinking it may make sense
> to rectify that low AC voltage input and parallel a smallish battery bank
> (size is yet to be determined), then use an off-grid inverter to serve the
> loads at good voltage.
>
> I am looking for feedback on this concept.  What do you think?
>
> Also, are there any recommendations for good quality rectifiers with wide
> input voltage window?
>
> Thanks in advance for your help
>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
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Re: [RE-wrenches] Rectifier

[Kirpal]

Hey Mac.If you were to install an Outback Radian with a max of 50A pass
thru capability on a single inverter you could use your existing 4/0AWG
wire size  and only have a 2.4% voltage drop.  You could run a PV system
and inverter and only tap into the grid connection when PV alone wasn't
sufficient.  The voltage drop would be well with in tolerance and only
pertinent when using the AC power source.  Essentially an off grid system
with the grid available as a supplemental charging source instead of a
noisy smelly generator, which of course you could add if needed as well for
times when grid fails.

Sunny Regards,
Kirpal Khalsa
Oregon LRT#25
NABCEP Certified PV Installation Professional
Oregon Solarworks LLC
www.oregonsolarworks.com
541-299-0402


On Fri, Apr 17, 2020 at 6:15 AM Mac Lewis  wrote:

> Hi wrenches,
>
> I've got a architect client with a sub-optimal power situation on one of
> the projects he is working on.  I'm running through a couple of scenarios
> that may work.  Its a ADU (accessory dwelling unit) that is about 1100'
> from power.  The farmer had taken it upon himself to bury some 4/0 a few
> years ago to run power out there.  Voltage drop is the big issue and its
> not going to pass the AHJ inspection.  We could just ditch the grid and go
> off-grid, but it seems like a shame to not tap into the grid resource.
> Instead of dealing with the voltage drop, I was thinking it may make sense
> to rectify that low AC voltage input and parallel a smallish battery bank
> (size is yet to be determined), then use an off-grid inverter to serve the
> loads at good voltage.
>
> I am looking for feedback on this concept.  What do you think?
>
> Also, are there any recommendations for good quality rectifiers with wide
> input voltage window?
>
> Thanks in advance for your help
>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
> ___
> List sponsored by Redwood Alliance
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Re: [RE-wrenches] Industry Publications

[Jerry Shafer]

Cory, Wrenches
Mother Earth News https://www.motherearthnews.com is one that you may be
interested in
Jerry
NABCEP PV Inspector

On Thu, Apr 16, 2020 at 9:28 PM Corey Shalanski  wrote:

> Wrenches,
>
> Like myself, I imagine many folks on this list were avid readers of "Home
> Power" and "SolarPro" magazines. I know some of you were even active
> contributors to these two wonderful publications.
>
> Is anyone aware of any similar resources - geared toward system
> designers/installers/technicians (or just general enthusiasts)? Besides
> this list, where are Wrenches turning to nowadays for relevant discussion
> of current industry topics?
>
> --
> Corey Shalanski
> Jah Light Solar
> Portland, Jamaica
>
>
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Re: [RE-wrenches] Rectifier

[Glenn Burt]

How about a transformer at each end?Step up the voltage.-GlennSent from my 
'smart'phone, so please excuse typos and spelling errors.-- Original 
message--From: Mac LewisDate: Fri, Apr 17, 2020 9:15 AMTo: RE-wrenches;Cc: 
Subject:[RE-wrenches] RectifierHi wrenches,I've got a architect client with a 
sub-optimal power situation on one of the projects he is working on.  I'm 
running through a couple of scenarios that may work.  Its a ADU (accessory 
dwelling unit) that is about 1100' from power.  The farmer had taken it upon 
himself to bury some 4/0 a few years ago to run power out there.  Voltage drop 
is the big issue and its not going to pass the AHJ inspection.  We could just 
ditch the grid and go off-grid, but it seems like a shame to not tap into the 
grid resource.  Instead of dealing with the voltage drop, I was thinking it may 
make sense to rectify that low AC voltage input and parallel a smallish battery 
bank (size is yet to be determined), then use an off-grid inverte
 r to
 serve the loads at good voltage.I am looking for feedback on this concept.  
What do you think?Also, are there any recommendations for good quality 
rectifiers with wide input voltage window?  Thanks in advance for your help-- 
Mac Lewis"Yo solo sé que no sé nada." -Sócrates
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Re: [RE-wrenches] Xantrex MPPT 80 600 Not Showing Up in SCP

[Tump]

One can use shielded ends but there is NO shielding in place for the connector 
inside the Schneider components. The most important thing is either enclosing 
the com cables inside the shielding tin inside the PDP or wire the cables 
outside of the devices. They (Schneider) had suggested 6’ cables there are 
folks that say that the supplied cables from Sch. are of poor quality. 
I have the config tool that in these situations really does help, having my own 
SCP, installing updated firmware, turning everything off & waiting few mins. + 
unplugging & replugging too has made a difference. I also have a plethora of 
green cat5 cables that I also will use.

> On Apr 17, 2020, at 8:50 AM, Kirk Herander  wrote:
> 
> So you terminate the shield somehow outside of the RJ45 connector?
>> On 4/16/2020 9:01:53 PM, Jeff Clearwater  
>> wrote:
>> 
>> When I did my cable swap and reconfiguration that fixed it I also was more 
>> careful to route the xanbus cables away from the batter/inverter cables - 
>> thinking that perhaps induction was the culprit.  As I have an rj45 crimp 
>> tool and some shielded CAT5e in the truck I think I'll just make up my own 
>> cables in the future after spending way more time than that troubleshooting.
>> 
>> Best of luck!
>> 
>> jc
>> 
>> Jason Szumlanski wrote on 4/16/20 3:00 PM:
>>> I tried swapping the cables for the XW and MPPT. After reboot the XW 
>>> continued to show up on the SCP but the MPPT did not. I didn't have another 
>>> cable, but this suggests the cable is not the problem. I didn't think to 
>>> change the order, however.
>>> 
>>> 
>>> 
>>> 
>>> On Thu, Apr 16, 2020 at 5:57 PM Jeff Clearwater >> > wrote:
>>> Hey Jason,
>>> 
>>> I had a SCP xanbus system once that refused to show a component - The fix 
>>> was replacing the cheap ethernet wires that schneider provided with better 
>>> cables and/or changing the order of the components in the series comm 
>>> string.  not sure which did it as I did both changes at once but I do 
>>> suspect those white cables.
>>> 
>>> Best,
>>> 
>>> Jeff
>>> 
>>> Jason Szumlanski wrote on 4/16/20 1:03 PM:
 I am working with a client (not my install) with a XW6048 and MPPT 80 600 
 with a SCP. The SCP is not showing the MPPT in the setup menu. I am able 
 to access the system settings and XW configuration, but not the MPPT 
 settings. It is connected via Xanbus in this manner:
 
 SCP -> MPPT -> XW
 
 So the MPPT is in the middle and is passing through the XW signal just 
 fine.
 
 The MPPT also has a red error light illuminated, but it is charging the 
 battery (positive current measured via clamp meter).
 
 Any ideas?
 
 Thanks,
 
 Jason Szumlanski
 
 
 
 
 
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>>> 
>>> -- 
>>> ~~~
>>> Jeff Clearwater
>>> VillageLab
>>> Village Power Design
>>> linkedin 
>>> 
>>>  
>>> www.villagelab.net 
>>> 
>>> www.villagepowerdesign.com 
>>> 
>>> skype - jclearwater
>>> zoom by request
>>> cell - 413-559-9763
>>> ~~~
>>> 
>>> 
>>> 
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>>> List Address: RE-wrenches@lists.re-wrenches.org 
>>> 

Re: [RE-wrenches] Xantrex MPPT 80 600 Not Showing Up in SCP

[Kirk Herander]

So you terminate the shield somehow outside of the RJ45 connector?

On 4/16/2020 9:01:53 PM, Jeff Clearwater  wrote:
When I did my cable swap and reconfiguration that fixed it I also was more 
careful to route the xanbus cables away from the batter/inverter cables - 
thinking that perhaps induction was the culprit.  As I have an rj45 crimp tool 
and some shielded CAT5e in the truck I think I'll just make up my own cables in 
the future after spending way more time than that troubleshooting.

Best of luck!

jc

Jason Szumlanski wrote on 4/16/20 3:00 PM:

I tried swapping the cables for the XW and MPPT. After reboot the XW continued 
to show up on the SCP but the MPPT did not. I didn't have another cable, but 
this suggests the cable is not the problem. I didn't think to change the order, 
however.




On Thu, Apr 16, 2020 at 5:57 PM Jeff Clearwater mailto:je...@villagelab.net]> wrote:

Hey Jason,

I had a SCP xanbus system once that refused to show a component - The fix was 
replacing the cheap ethernet wires that schneider provided with better cables 
and/or changing the order of the components in the series comm string.  not 
sure which did it as I did both changes at once but I do suspect those white 
cables.

Best,

Jeff

Jason Szumlanski wrote on 4/16/20 1:03 PM:

I am working with a client (not my install) with a XW6048 and MPPT 80 600 with 
a SCP. The SCP is not showing the MPPT in the setup menu. I am able to access 
the system settings and XW configuration, but not the MPPT settings. It is 
connected via Xanbus in this manner:

SCP -> MPPT -> XW

So the MPPT is in the middle and is passing through the XW signal just fine.

The MPPT also has a red error light illuminated, but it is charging the battery 
(positive current measured via clamp meter).

Any ideas?

Thanks,

Jason Szumlanski




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--
~~~

Jeff Clearwater
VillageLab
Village Power Design
linkedin 
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skype - jclearwater
zoom by request
cell - 413-559-9763
~~~


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Re: [RE-wrenches] Industry Publications

[Martin Herzfeld]

I'd suggest IAEI magazine found here: https://iaeimagazine.org/magazine/

All the best,

Martin Herzfeld, Interstate Renewable Energy Council (IREC) Certified
Master Trainer ™ for Photovoltaics (PV) Installation Professional #IREC
10037
Contract Training Provider (CTP)
Adjunct Professor, Energy

California Solar & Electrical Contractor License  #00833782  C46, C10, D56,
D31, C-7, Since 2004
Solar, Electrical, Trenching, Pole Installation & Maintenance,
Instrumentation

Contract Solar (PV) Technical Inspector - 3rd Party Inspections
Underwriters Laboratories (UL) Certified PV Installer #17, OSHA 30
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* Professional Member Since 2006, International Association of Electrical
Inspectors
* Accredited and Registered North American Board of Certified Energy
Practitioners (NABCEP) Continuing Education (CE) Training Provider

On Thu, Apr 16, 2020, 9:28 PM Corey Shalanski  wrote:

> Wrenches,
>
> Like myself, I imagine many folks on this list were avid readers of "Home
> Power" and "SolarPro" magazines. I know some of you were even active
> contributors to these two wonderful publications.
>
> Is anyone aware of any similar resources - geared toward system
> designers/installers/technicians (or just general enthusiasts)? Besides
> this list, where are Wrenches turning to nowadays for relevant discussion
> of current industry topics?
>
> --
> Corey Shalanski
> Jah Light Solar
> Portland, Jamaica
>
>
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Re: [RE-wrenches] Rectifier

[Tump]

Whats the voltage required/current?
> On Apr 17, 2020, at 9:14 AM, Mac Lewis  wrote:
> 
> Hi wrenches,
> 
> I've got a architect client with a sub-optimal power situation on one of the 
> projects he is working on.  I'm running through a couple of scenarios that 
> may work.  Its a ADU (accessory dwelling unit) that is about 1100' from 
> power.  The farmer had taken it upon himself to bury some 4/0 a few years ago 
> to run power out there.  Voltage drop is the big issue and its not going to 
> pass the AHJ inspection.  We could just ditch the grid and go off-grid, but 
> it seems like a shame to not tap into the grid resource.  Instead of dealing 
> with the voltage drop, I was thinking it may make sense to rectify that low 
> AC voltage input and parallel a smallish battery bank (size is yet to be 
> determined), then use an off-grid inverter to serve the loads at good voltage.
> 
> I am looking for feedback on this concept.  What do you think?
> 
> Also, are there any recommendations for good quality rectifiers with wide 
> input voltage window?  
> 
> Thanks in advance for your help
> 
> -- 
> 
> 
> 
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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[RE-wrenches] Rectifier

[Mac Lewis]

Hi wrenches,

I've got a architect client with a sub-optimal power situation on one of
the projects he is working on.  I'm running through a couple of scenarios
that may work.  Its a ADU (accessory dwelling unit) that is about 1100'
from power.  The farmer had taken it upon himself to bury some 4/0 a few
years ago to run power out there.  Voltage drop is the big issue and its
not going to pass the AHJ inspection.  We could just ditch the grid and go
off-grid, but it seems like a shame to not tap into the grid resource.
Instead of dealing with the voltage drop, I was thinking it may make sense
to rectify that low AC voltage input and parallel a smallish battery bank
(size is yet to be determined), then use an off-grid inverter to serve the
loads at good voltage.

I am looking for feedback on this concept.  What do you think?

Also, are there any recommendations for good quality rectifiers with wide
input voltage window?

Thanks in advance for your help

-- 



Mac Lewis

*"Yo solo sé que no sé nada." -Sócrates*
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Re: [RE-wrenches] Xantrex MPPT 80 600 Not Showing Up in SCP

[Jason Szumlanski]

Thanks for the tips. I'll do some more tinkering next time. It's a solid 90
minutes from my office so I'm not sure when I'll make it back. I need to
tie it in with another service call in the area to make it work.

On Thu, Apr 16, 2020, 9:01 PM Jeff Clearwater 
wrote:

> When I did my cable swap and reconfiguration that fixed it I also was more
> careful to route the xanbus cables away from the batter/inverter cables -
> thinking that perhaps induction was the culprit.  As I have an rj45 crimp
> tool and some shielded CAT5e in the truck I think I'll just make up my own
> cables in the future after spending way more time than that troubleshooting.
>
> Best of luck!
>
> jc
>
> Jason Szumlanski wrote on 4/16/20 3:00 PM:
>
> I tried swapping the cables for the XW and MPPT. After reboot the XW
> continued to show up on the SCP but the MPPT did not. I didn't have another
> cable, but this suggests the cable is not the problem. I didn't think to
> change the order, however.
>
>
>
>
> On Thu, Apr 16, 2020 at 5:57 PM Jeff Clearwater 
> wrote:
>
>> Hey Jason,
>>
>> I had a SCP xanbus system once that refused to show a component - The fix
>> was replacing the cheap ethernet wires that schneider provided with better
>> cables and/or changing the order of the components in the series comm
>> string.  not sure which did it as I did both changes at once but I do
>> suspect those white cables.
>>
>> Best,
>>
>> Jeff
>>
>> Jason Szumlanski wrote on 4/16/20 1:03 PM:
>>
>> I am working with a client (not my install) with a XW6048 and MPPT 80 600
>> with a SCP. The SCP is not showing the MPPT in the setup menu. I am able to
>> access the system settings and XW configuration, but not the MPPT settings.
>> It is connected via Xanbus in this manner:
>>
>> SCP -> MPPT -> XW
>>
>> So the MPPT is in the middle and is passing through the XW signal just
>> fine.
>>
>> The MPPT also has a red error light illuminated, but it is charging the
>> battery (positive current measured via clamp meter).
>>
>> Any ideas?
>>
>> Thanks,
>>
>> Jason Szumlanski
>>
>>
>>
>>
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