date:20200918

Re: [RE-wrenches] Commercial three phase inverter @208V

2020-09-18 Thread Garrison

If you do go with a transformer I'll second Dongan.  They know solar and
will build to match your inverter output so no material is wasted.

CPS just released a 25kW 208V inverter...but it might be more cost
effective to use a 480V inverter and transformer depending on layout,
conduit length, equipment location, etc.

Best,
Garrison Riegel

On Fri, Sep 18, 2020 at 5:31 PM August Goers  wrote:

> We have a similar size system in the works and a designer recommended
> Dongan transformers: https://dongan.com/product/
>
> I have not sourced them or worked with them yet, but they definitely have
> models that will work spec-wise with the CORE1 inverters.
>
> August
>
>
> On Fri, Sep 18, 2020 at 3:10 PM Jerry Shafer 
> wrote:
>
>> Wrenches
>> I use the SMACore and step-down transformer
>> Jerry
>>
>> On Fri, Sep 18, 2020, 1:04 PM Chris Mason 
>> wrote:
>>
>>> I'm bidding a commercial rooftop of about 200KW using string inverters.
>>> The voltage is 208V 3Ph 60Hz, and I can't find an inverter over 15KW. I was
>>> hoping to use the SMA 50KW CORE 1 but everything is 480V. Any leads on a
>>> reputable inverter?
>>>
>>> --
>>> Chris Mason
>>> Solar systems designer
>>> Generac Generators Industrial technician
>>>
>>> Comet Systems Ltd DBA Comet Solar
>>> Anguilla Cell  264.235.5670
>>> WhatsApp 264.235.5670
>>> Skype: netconcepts
>>> www.cometsolar.com 
>>> ___
>>> List sponsored by Redwood Alliance
>>>
>>> List Address: RE-wrenches@lists.re-wrenches.org
>>>
>>> Change listserver email address & settings:
>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>>
>>> List-Archive:
>>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>>
>>> List rules & etiquette:
>>> www.re-wrenches.org/etiquette.htm
>>>
>>> Check out or update participant bios:
>>> www.members.re-wrenches.org
>>>
>>> ___
>> List sponsored by Redwood Alliance
>>
>> List Address: RE-wrenches@lists.re-wrenches.org
>>
>> Change listserver email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>> List-Archive:
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>
>> List rules & etiquette:
>> www.re-wrenches.org/etiquette.htm
>>
>> Check out or update participant bios:
>> www.members.re-wrenches.org
>>
>> ___
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>
>
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Commercial three phase inverter @208V

2020-09-18 Thread Barton Churchill

Just use a transformer.


[cid:6c26afbc-2b00-4b95-b459-380117216f20]Barton Churchill
Director, Power Division
2042 Stadium Drive Suite 2 • Bozeman, MT 59715 • (O) 406-587-2917 • (D) 
406-589-4493
235 E. Broadway • Jackson, WY 83001 • (O) 307-200-2210
bchurch...@energy-1.net   |
www.energy-1.net



From: RE-wrenches  on behalf of 
Chris Mason 
Sent: Friday, September 18, 2020 2:04 PM
To: RE-wrenches 
Subject: [RE-wrenches] Commercial three phase inverter @208V

I'm bidding a commercial rooftop of about 200KW using string inverters. The 
voltage is 208V 3Ph 60Hz, and I can't find an inverter over 15KW. I was hoping 
to use the SMA 50KW CORE 1 but everything is 480V. Any leads on a reputable 
inverter?

--
Chris Mason
Solar systems designer
Generac Generators Industrial technician

Comet Systems Ltd DBA Comet Solar
Anguilla Cell  264.235.5670
WhatsApp 264.235.5670
Skype: netconcepts
www.cometsolar.com
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Commercial three phase inverter @208V

2020-09-18 Thread August Goers

We have a similar size system in the works and a designer recommended
Dongan transformers: https://dongan.com/product/

I have not sourced them or worked with them yet, but they definitely have
models that will work spec-wise with the CORE1 inverters.

August


On Fri, Sep 18, 2020 at 3:10 PM Jerry Shafer 
wrote:

> Wrenches
> I use the SMACore and step-down transformer
> Jerry
>
> On Fri, Sep 18, 2020, 1:04 PM Chris Mason 
> wrote:
>
>> I'm bidding a commercial rooftop of about 200KW using string inverters.
>> The voltage is 208V 3Ph 60Hz, and I can't find an inverter over 15KW. I was
>> hoping to use the SMA 50KW CORE 1 but everything is 480V. Any leads on a
>> reputable inverter?
>>
>> --
>> Chris Mason
>> Solar systems designer
>> Generac Generators Industrial technician
>>
>> Comet Systems Ltd DBA Comet Solar
>> Anguilla Cell  264.235.5670
>> WhatsApp 264.235.5670
>> Skype: netconcepts
>> www.cometsolar.com 
>> ___
>> List sponsored by Redwood Alliance
>>
>> List Address: RE-wrenches@lists.re-wrenches.org
>>
>> Change listserver email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>> List-Archive:
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>
>> List rules & etiquette:
>> www.re-wrenches.org/etiquette.htm
>>
>> Check out or update participant bios:
>> www.members.re-wrenches.org
>>
>> ___
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>
>
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Commercial three phase inverter @208V

2020-09-18 Thread Jerry Shafer

Wrenches
I use the SMACore and step-down transformer
Jerry

On Fri, Sep 18, 2020, 1:04 PM Chris Mason 
wrote:

> I'm bidding a commercial rooftop of about 200KW using string inverters.
> The voltage is 208V 3Ph 60Hz, and I can't find an inverter over 15KW. I was
> hoping to use the SMA 50KW CORE 1 but everything is 480V. Any leads on a
> reputable inverter?
>
> --
> Chris Mason
> Solar systems designer
> Generac Generators Industrial technician
>
> Comet Systems Ltd DBA Comet Solar
> Anguilla Cell  264.235.5670
> WhatsApp 264.235.5670
> Skype: netconcepts
> www.cometsolar.com 
> ___
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>
>
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Commercial three phase inverter @208V

2020-09-18 Thread Chris Mason

The actual system I am proposing is 1 x 200KW and 1 x 50KW on another
building so I am thinking 5 x 50KW Core 1 inverters.

On Fri, Sep 18, 2020 at 4:36 PM Matt Partymiller  wrote:

> Three Core 62s with a transformer is a great solution.  Lots of Fronius
> 15s could work but you could buy a backup transformer for the difference.
> Contact me off-list if you need help finding transformers.  SMA will also
> direct you to some good solutions if pressed.
>
>
>
> Matt
>
>
>
>
>
> *From:* RE-wrenches  *On
> Behalf Of *Chris Mason
> *Sent:* Friday, September 18, 2020 4:04 PM
> *To:* RE-wrenches 
> *Subject:* [RE-wrenches] Commercial three phase inverter @208V
>
>
>
> I'm bidding a commercial rooftop of about 200KW using string inverters.
> The voltage is 208V 3Ph 60Hz, and I can't find an inverter over 15KW. I was
> hoping to use the SMA 50KW CORE 1 but everything is 480V. Any leads on a
> reputable inverter?
>
>
>
> --
>
> Chris Mason
>
> Solar systems designer
>
> Generac Generators Industrial technician
>
>
>
> Comet Systems Ltd DBA Comet Solar
> Anguilla Cell  264.235.5670
>
> WhatsApp 264.235.5670
>
> Skype: netconcepts
>
> www.cometsolar.com 
> ___
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>
>

-- 
Chris Mason
Solar systems designer
Generac Generators Industrial technician

Comet Systems Ltd DBA Comet Solar
Anguilla Cell  264.235.5670
WhatsApp 264.235.5670
Skype: netconcepts
www.cometsolar.com 
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Commercial three phase inverter @208V

2020-09-18 Thread Chris Mason

Thank you for taking the time to recommend this.
Transformers are easy, we're an electrical contractor when we are not
installing solar and we supply high voltage products to projects. Also a
generator dealer but that's another story.
I was about to price the transformers as a last resort. Have you had any
issues with inductance, does the power factor suffer using transformers?
If possible, I'm going to look at running 480V to the main distribution
board and connecting there, but I can't do a site plan so that's
information I don't have.


On Fri, Sep 18, 2020 at 4:36 PM Matt Partymiller  wrote:

> Three Core 62s with a transformer is a great solution.  Lots of Fronius
> 15s could work but you could buy a backup transformer for the difference.
> Contact me off-list if you need help finding transformers.  SMA will also
> direct you to some good solutions if pressed.
>
>
>
> Matt
>
>
>
>
>
> *From:* RE-wrenches  *On
> Behalf Of *Chris Mason
> *Sent:* Friday, September 18, 2020 4:04 PM
> *To:* RE-wrenches 
> *Subject:* [RE-wrenches] Commercial three phase inverter @208V
>
>
>
> I'm bidding a commercial rooftop of about 200KW using string inverters.
> The voltage is 208V 3Ph 60Hz, and I can't find an inverter over 15KW. I was
> hoping to use the SMA 50KW CORE 1 but everything is 480V. Any leads on a
> reputable inverter?
>
>
>
> --
>
> Chris Mason
>
> Solar systems designer
>
> Generac Generators Industrial technician
>
>
>
> Comet Systems Ltd DBA Comet Solar
> Anguilla Cell  264.235.5670
>
> WhatsApp 264.235.5670
>
> Skype: netconcepts
>
> www.cometsolar.com 
> ___
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> www.members.re-wrenches.org
>
>

-- 
Chris Mason
Solar systems designer
Generac Generators Industrial technician

Comet Systems Ltd DBA Comet Solar
Anguilla Cell  264.235.5670
WhatsApp 264.235.5670
Skype: netconcepts
www.cometsolar.com 
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Commercial three phase inverter @208V

2020-09-18 Thread Matt Partymiller

Three Core 62s with a transformer is a great solution.  Lots of Fronius 15s 
could work but you could buy a backup transformer for the difference.  Contact 
me off-list if you need help finding transformers.  SMA will also direct you to 
some good solutions if pressed.

Matt


From: RE-wrenches  On Behalf Of 
Chris Mason
Sent: Friday, September 18, 2020 4:04 PM
To: RE-wrenches 
Subject: [RE-wrenches] Commercial three phase inverter @208V

I'm bidding a commercial rooftop of about 200KW using string inverters. The 
voltage is 208V 3Ph 60Hz, and I can't find an inverter over 15KW. I was hoping 
to use the SMA 50KW CORE 1 but everything is 480V. Any leads on a reputable 
inverter?

--
Chris Mason
Solar systems designer
Generac Generators Industrial technician

Comet Systems Ltd DBA Comet Solar
Anguilla Cell  264.235.5670
WhatsApp 264.235.5670
Skype: netconcepts
www.cometsolar.com
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

[RE-wrenches] Commercial three phase inverter @208V

2020-09-18 Thread Chris Mason

I'm bidding a commercial rooftop of about 200KW using string inverters. The
voltage is 208V 3Ph 60Hz, and I can't find an inverter over 15KW. I was
hoping to use the SMA 50KW CORE 1 but everything is 480V. Any leads on a
reputable inverter?

-- 
Chris Mason
Solar systems designer
Generac Generators Industrial technician

Comet Systems Ltd DBA Comet Solar
Anguilla Cell  264.235.5670
WhatsApp 264.235.5670
Skype: netconcepts
www.cometsolar.com 
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Snail Trails Suniva OPT 270

2020-09-18 Thread Jay

Hi Carl

They look like static bubbles, not micro cracks. 
I’ve seen something like this before. 

The static has to do with how the EVA is laid down. 

Jay



> On Sep 18, 2020, at 8:47 AM, Carl Adams  wrote:
> 
> 
> Swapping a failed SE optimizer this AM and noticed some strange 
> marks/patterns on several of the modules.  How concerned should I be about 
> this?  These are SUNIVA OPT 270s installed in December 2014.  Pictures 
> attached.
> <1B small.jpg>
> <1C small.jpg>
> <1A small.jpg>
> 
> With Kind Regards
> Carl Adams, President
> SunRock Solar, LLC
> 513.290.9072 (mobile)
> 513.766.6025 (office)
> 
> ___
> List sponsored by Redwood Alliance
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> List-Archive: 
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> www.members.re-wrenches.org
___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Another pump quesiton

2020-09-18 Thread Christopher Warfel

Yes, I forgot about them. Thank you for the reminder.  If you have a 
supplier of it would you contact me off list?  Chris


On 9/17/2020 11:07 PM, frenergy wrote:


I will second that, Todd.  I've had a Hartell  MD-10-HEH mag drive 
pump pumping glycol in my SHW closed loop for 23 years direct powered 
by a 20 watt PV.  It does make a little noise when your close to 
it...so be it.


Bill

Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net
On 9/17/2020 11:39 AM, Todd Cory wrote:
I have had exceptional experience using Hartel brand brushless DC 
circulation pumps on my home's solar hot water system.


Todd

On September 17, 2020 11:06:33 AM Christopher Warfel 
 wrote:


I would look at the pump that Thermodynamics LTD of Canada sells.  
Pretty bullet proof in my experience of 20 years of installing their 
products.  Don't deal with the people in VT. Call the business in 
Dartmouth Nova Scotia, eh?   Laing are expensive but very reliable. 
March is not great for small closed loop.  I really support dc pumps 
for solar hot water unless the customer has a solar electric system 
too.


On 9/14/2020 11:49 PM, Howie Michaelson wrote:

Hi All,
I need to replace 3-5 El Sid pumps I'm using in a low volume 
hydronic heating system.  Other than laing pumps, are there any 
recommendations for 12, 24, or 48 vDC pumps?  Having magnetic 
drives that mate with the impeller body of the El Sids, would be a 
bonus.

Thanks,
Howie
*Howie Michaelson
**Sun Catcher*
*/NABCEP Certified Solar PV Installer™
/**
**Solar Electric Systems Sales & Service
802-272-0004*

___
List sponsored by Redwood Alliance

List Address:RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive:http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org




--

 
	Virus-free. www.avast.com 
 



<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

___
List sponsored by Redwood Alliance

List Address: RE-wrenches@lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
www.members.re-wrenches.org

Re: [RE-wrenches] Commercial three phase inverter @208V

Re: [RE-wrenches] Commercial three phase inverter @208V

Re: [RE-wrenches] Commercial three phase inverter @208V

Re: [RE-wrenches] Commercial three phase inverter @208V

Re: [RE-wrenches] Commercial three phase inverter @208V

Re: [RE-wrenches] Commercial three phase inverter @208V

Re: [RE-wrenches] Commercial three phase inverter @208V

[RE-wrenches] Commercial three phase inverter @208V

Re: [RE-wrenches] Snail Trails Suniva OPT 270

Re: [RE-wrenches] Another pump quesiton

10 matches

Site Navigation

Mail list logo

Footer information