Re: [RE-wrenches] Quick Cable supplier

[Kirpal]

Try- PV Cables Inc. They are quick to ship and typically have these in
stock.
Cheers
Kirpal
Oregon Solarworks

On Thu, May 30, 2019, 2:48 PM Tump  wrote:

> Any suggestions for a *professional* sales rep for Quick Cable would be
> appreciated.
> Am in need of Magna Lugs that are listed for my QC crimper, available in a
> timely fashion.
> Please contact me off list. thanks Tump
>
> *t...@swnl.net*   *www.SWNL.net*
> Solarwinds Northernlights
> *   Serving Mid Coast Maine & Northern California*
> * 207-832-7574   Cl.
> 610-517-8401  *
>   *Blair "TUMP" May*
>
>
> *     MAINE'S CHARTER  *   *
> NABCEP"Certified PV Installer"*
>
>
> *   MAINE'S CHARTER   **
> Trace Xantrex "Certified" Dealer / Installer"*
>
>
>
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[RE-wrenches] SMA Sunny Storage

[Marco Mangelsdorf]

Aloha amigas y amigos.

 

Have any of you installed any of the new Sunny Storage inverters with the
accompanying backup switch?

 

Any feedback?

 

Mahalo,

marco



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[RE-wrenches] Quick Cable supplier

[Tump]

Any suggestions for a professional sales rep for Quick Cable would be 
appreciated.
Am in need of Magna Lugs that are listed for my QC crimper, available in a 
timely fashion.
Please contact me off list. thanks Tump

> t...@swnl.net 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>  
>  www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> Solarwinds Northernlights   
>Serving Mid Coast Maine & Northern California
>  207-832-7574   Cl. 610-517-8401  
> 
>   Blair "TUMP" May
>  MAINE'S CHARTER 
>   NABCEP"Certified PV Installer" 
>
>     MAINE'S CHARTER 
>   Trace Xantrex "Certified" Dealer / Installer"
> 


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Re: [RE-wrenches] Enphase inverters with trackers?

[Mac Lewis]

Hi Chris,

I don't think you'll have an issue but you may be clipping for a more
substantial part of the day than a fixed mount.  Depends on the module
selection.

Thanks



On Thu, May 30, 2019, 11:39 AM Christopher Warfel <
cwar...@entech-engineering.com> wrote:

> We are looking at using Enphase IQ7 on a 12 module tracker.  Enphase has
> said this has been done, but they don't have any information on them,
> other than what they see via the data.  I am wondering if anyone has
> done this and were there any problems that they had that they would be
> willing to share.  Thank you in advance, Chris Warfel
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[RE-wrenches] Enphase inverters with trackers?

[Christopher Warfel]

We are looking at using Enphase IQ7 on a 12 module tracker.  Enphase has 
said this has been done, but they don't have any information on them, 
other than what they see via the data.  I am wondering if anyone has 
done this and were there any problems that they had that they would be 
willing to share.  Thank you in advance, Chris Warfel

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Re: [RE-wrenches] rapid shutdown units for obscure inverter

[Glenn Burt]

Hi Darryl,

 

I have been looking into the Tigo TS4-F rapid shutdown option, including 
attending a webinar on their products.

As far as I have been told, they DO use a powerline carrier communications 
method to trigger the MLPE units.

A trigger device has to be wired to AC to detect loss of grid, and one 
conductor of every PV string must go through their attached CT donut which 
imposes this communications onto the PV wiring, and communicating with the 
module level components.

>From their documentation:

TS4-F units automatically enter rapid shutdown mode when the RSS Transmitter is 
switched off and resume energy production when power is restored to the RSS 
Transmitter. This solution complies with NEC 2014 & 2017 690.12 specifications 
utilizing power-line communication (PLC).

 

Please tell me what system you have that is wireless?

 

Thanks,

Glenn 

 

From: RE-wrenches  On Behalf Of 
Darryl Thayer
Sent: Thursday, May 30, 2019 12:16 AM
To: RE-wrenches 
Subject: Re: [RE-wrenches] rapid shutdown units for obscure inverter

 

Try Tigo, they have a MLPE shutdown wireless and does not use PLC (Power Line  
Communication).  With an unknown inverter, the inverter switching noise may 
trigger the Tigo's PLC to keep on or shut off.   Shutting off the inverter 
stoping module array current, and the AC supply to the "Gateways" loss of the 
heartbeat signal causes the shutdown of the modules.   I have used such an 
arrangement and it is passing every test.  This was maybe 1 or two years ago. 
Tigo may have made changes since then.  hope this helps.

 

On Wed, May 29, 2019 at 6:07 PM Rick Brown mailto:r...@solshineenergyalternatives.com> > wrote:

Jerry,

 

Check out Midnight Solar’s Rapid Shutdown Shut Off Box (SOB). 

 

http://www.midnightsolar.com/

rick brown
SolShine Energy Alternatives, LLC
Electrical & Solar Contracting Services
www.SolShineEnergyAlternatives.com  
Check, Virginia 24072
540.808.9502  

VA Class A Contractor Lic# 2705147660
VA Master Electrician Lic# 2710062762
VA Alternative Energy Systems Installer  
NABCEP Certified PV Installation Professional 110112-21


On May 29, 2019, at 5:44 PM, Jerry Caldwell mailto:solarcow...@yahoo.com> > wrote:

Dear Wrenches,

 

We are installing a system for a project we did not design. The plans specify 5 
Ginlong Solis inverters. Ginlong does not make their own rapid shutdown device, 
so units by Innovative Solar Products have been specified. The Innovative Solar 
rapid shutdowns are made to order and will take 4 weeks (not good for us).

 

Does anyone know another mfr that makes rapid shutdown devices that are 
compatible with other mfrs inverters?

 

Thanks,

 

Jerry Caldwell
Redwood Sun

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Re: [RE-wrenches] rapid shutdown units for obscure inverter

[Bradley Bassett]

The IMO FireRaptor units are as far as I know immune to any interference
from charge controls or inverters. It does not rely on wireless or power
line communications. It is simply a hard wired module level disconnect that
runs on 24VDC. It has two-wire daisy chain cables between them, with a nice
connector, and MC4 for the module and string wiring. OutBack and OutBack
distributors  are now selling them.

Brad

On Thu, May 30, 2019 at 7:23 AM Dave Tedeyan  wrote:

> I may have spoken too soon on this. It turns out that the LSOB system just
> does not work with PV charge controllers. The Princeton Power Systems
> DRI-10 inverter has charge controllers built in, which is why the system
> was not working.
>
> Cheers,
> Dave
>
> *Dave Tedeyan, PE*
> Senior Engineer | Taitem Engineering, PC
>
> 110 South Albany Street | Ithaca, NY 14850
> o. *607.277.1118 x121*  f. 607.277.2119
> www.taitem.com
>
> Solar • Sustainability • Energy • Design
> B-Corporation Best for the World 2018 Honoree
>
>
> On Thu, May 30, 2019 at 9:15 AM Dave Tedeyan  wrote:
>
>> Just a note about midnite's SOB rapid shutdown system. It does not seem
>> to work with all inverters. I was recently helping someone with a Princeton
>> Power Systems inverter add in rapid shutdown. There was some kind of line
>> noise coming from the inverter that was causing the rapid shutdown system
>> to not work at all. It held the string voltage down even when it should not
>> have. The only way to get the string voltage back up was to physically
>> disconnect the PV from the inverter. So we had to pull the rapid shutdown
>> and will need to find another solution.
>>
>> Cheers,
>> Dave
>>
>> *Dave Tedeyan, PE*
>> Senior Engineer | Taitem Engineering, PC
>>
>> 110 South Albany Street | Ithaca, NY 14850
>> o. *607.277.1118 x121*  f. 607.277.2119
>> www.taitem.com
>>
>> Solar • Sustainability • Energy • Design
>> B-Corporation Best for the World 2018 Honoree
>>
>>
>> On Wed, May 29, 2019 at 7:07 PM Rick Brown <
>> r...@solshineenergyalternatives.com> wrote:
>>
>>> Jerry,
>>>
>>> Check out Midnight Solar’s Rapid Shutdown Shut Off Box (SOB).
>>>
>>> http://www.midnightsolar.com/
>>>
>>> rick brown
>>> SolShine Energy Alternatives, LLC
>>> Electrical & Solar Contracting Services
>>> www.SolShineEnergyAlternatives.com
>>> Check, Virginia 24072
>>> 540.808.9502
>>>
>>> VA Class A Contractor Lic# 2705147660
>>> VA Master Electrician Lic# 2710062762
>>> VA Alternative Energy Systems Installer
>>> NABCEP Certified PV Installation Professional 110112-21
>>>
>>> On May 29, 2019, at 5:44 PM, Jerry Caldwell 
>>> wrote:
>>>
>>> Dear Wrenches,
>>>
>>> We are installing a system for a project we did not design. The plans
>>> specify 5 Ginlong Solis inverters. Ginlong does not make their own rapid
>>> shutdown device, so units by Innovative Solar Products have been specified.
>>> The Innovative Solar rapid shutdowns are made to order and will take 4
>>> weeks (not good for us).
>>>
>>> Does anyone know another mfr that makes rapid shutdown devices that are
>>> compatible with other mfrs inverters?
>>>
>>> Thanks,
>>>
>>> Jerry Caldwell
>>> Redwood Sun
>>>
>>> ___
>>> List sponsored by Redwood Alliance
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>>> List Address: RE-wrenches@lists.re-wrenches.org
>>>
>>> Change listserver email address & settings:
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>>> www.members.re-wrenches.org
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Re: [RE-wrenches] rapid shutdown units for obscure inverter

[Dave Tedeyan]

I may have spoken too soon on this. It turns out that the LSOB system just
does not work with PV charge controllers. The Princeton Power Systems
DRI-10 inverter has charge controllers built in, which is why the system
was not working.

Cheers,
Dave

*Dave Tedeyan, PE*
Senior Engineer | Taitem Engineering, PC

110 South Albany Street | Ithaca, NY 14850
o. *607.277.1118 x121*  f. 607.277.2119
www.taitem.com

Solar • Sustainability • Energy • Design
B-Corporation Best for the World 2018 Honoree


On Thu, May 30, 2019 at 9:15 AM Dave Tedeyan  wrote:

> Just a note about midnite's SOB rapid shutdown system. It does not seem to
> work with all inverters. I was recently helping someone with a Princeton
> Power Systems inverter add in rapid shutdown. There was some kind of line
> noise coming from the inverter that was causing the rapid shutdown system
> to not work at all. It held the string voltage down even when it should not
> have. The only way to get the string voltage back up was to physically
> disconnect the PV from the inverter. So we had to pull the rapid shutdown
> and will need to find another solution.
>
> Cheers,
> Dave
>
> *Dave Tedeyan, PE*
> Senior Engineer | Taitem Engineering, PC
>
> 110 South Albany Street | Ithaca, NY 14850
> o. *607.277.1118 x121*  f. 607.277.2119
> www.taitem.com
>
> Solar • Sustainability • Energy • Design
> B-Corporation Best for the World 2018 Honoree
>
>
> On Wed, May 29, 2019 at 7:07 PM Rick Brown <
> r...@solshineenergyalternatives.com> wrote:
>
>> Jerry,
>>
>> Check out Midnight Solar’s Rapid Shutdown Shut Off Box (SOB).
>>
>> http://www.midnightsolar.com/
>>
>> rick brown
>> SolShine Energy Alternatives, LLC
>> Electrical & Solar Contracting Services
>> www.SolShineEnergyAlternatives.com
>> Check, Virginia 24072
>> 540.808.9502
>>
>> VA Class A Contractor Lic# 2705147660
>> VA Master Electrician Lic# 2710062762
>> VA Alternative Energy Systems Installer
>> NABCEP Certified PV Installation Professional 110112-21
>>
>> On May 29, 2019, at 5:44 PM, Jerry Caldwell 
>> wrote:
>>
>> Dear Wrenches,
>>
>> We are installing a system for a project we did not design. The plans
>> specify 5 Ginlong Solis inverters. Ginlong does not make their own rapid
>> shutdown device, so units by Innovative Solar Products have been specified.
>> The Innovative Solar rapid shutdowns are made to order and will take 4
>> weeks (not good for us).
>>
>> Does anyone know another mfr that makes rapid shutdown devices that are
>> compatible with other mfrs inverters?
>>
>> Thanks,
>>
>> Jerry Caldwell
>> Redwood Sun
>>
>> ___
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Re: [RE-wrenches] rapid shutdown units for obscure inverter

[Dave Tedeyan]

Just a note about midnite's SOB rapid shutdown system. It does not seem to
work with all inverters. I was recently helping someone with a Princeton
Power Systems inverter add in rapid shutdown. There was some kind of line
noise coming from the inverter that was causing the rapid shutdown system
to not work at all. It held the string voltage down even when it should not
have. The only way to get the string voltage back up was to physically
disconnect the PV from the inverter. So we had to pull the rapid shutdown
and will need to find another solution.

Cheers,
Dave

*Dave Tedeyan, PE*
Senior Engineer | Taitem Engineering, PC

110 South Albany Street | Ithaca, NY 14850
o. *607.277.1118 x121*  f. 607.277.2119
www.taitem.com

Solar • Sustainability • Energy • Design
B-Corporation Best for the World 2018 Honoree


On Wed, May 29, 2019 at 7:07 PM Rick Brown <
r...@solshineenergyalternatives.com> wrote:

> Jerry,
>
> Check out Midnight Solar’s Rapid Shutdown Shut Off Box (SOB).
>
> http://www.midnightsolar.com/
>
> rick brown
> SolShine Energy Alternatives, LLC
> Electrical & Solar Contracting Services
> www.SolShineEnergyAlternatives.com
> Check, Virginia 24072
> 540.808.9502
>
> VA Class A Contractor Lic# 2705147660
> VA Master Electrician Lic# 2710062762
> VA Alternative Energy Systems Installer
> NABCEP Certified PV Installation Professional 110112-21
>
> On May 29, 2019, at 5:44 PM, Jerry Caldwell  wrote:
>
> Dear Wrenches,
>
> We are installing a system for a project we did not design. The plans
> specify 5 Ginlong Solis inverters. Ginlong does not make their own rapid
> shutdown device, so units by Innovative Solar Products have been specified.
> The Innovative Solar rapid shutdowns are made to order and will take 4
> weeks (not good for us).
>
> Does anyone know another mfr that makes rapid shutdown devices that are
> compatible with other mfrs inverters?
>
> Thanks,
>
> Jerry Caldwell
> Redwood Sun
>
> ___
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