Re: [RE-wrenches] ground mount options?

[jay peltz]

How large an array are you needing?

Jay

Peltz power

Sent from my iPad

On Apr 17, 2013, at 9:23 PM, Jesse Dahl  wrote:

> Hello,
> 
> I've been asked to put together a proposal for a local community and the only 
> option is a ground mount (pole mount would work too).  I've looked at a few 
> options today and was wondering if anyone has any opinions on the DPW "Power 
> Peak" mounting system?  
> 
> Also, I would be interested in any other ground mount options that people 
> like/recommend.  I've used the two-tier mount on a few projects and the DPW 
> MPM and liked them good enough, but I'm always interested in trying new 
> mounts.  
> 
> Thanks!
> 
> 
> Jesse
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Re: [RE-wrenches] Micro-inverters for 3-phase 220/127 in Mexico

[Chris Mason]

Do you think Enphase be willing to increase the VMax? That's what we do
here when we have 220V 3ph issues. As we are not US based, there is no UL
issue.
I have a project right now that Enphase is the best solution, but the
voltage would be 129v typically, so I would be unwilling to put in stock
units.


On Mon, Apr 15, 2013 at 8:03 PM, Kent Osterberg  wrote:

>  Enphase lists the standard operating range for the 208-volt 3-phase
> configuration as 183 to 229 volts. Seems like 220-volt 3-phase might work
> with a little caution about wiring losses.
>
> Kent Osterberg
> Blue Mountain Solar, Inc.www.bluemountainsolar.com
>
>  On 4/15/2013 4:28 PM, Larry Crutcher, Starlight Solar Power Systems wrote:
>
> Interesting….Here is a reply from Enphase received on 4-11-13, "Hi
> Larry, No we do not have a inverter that will work with this. Our inverter
> is for 240AC 2 Phase, 208AC 3 Phase…"
>
>
>
>
> Larry Crutcher
> Starlight Solar Power Systems
>
>
>
>
>
>
>  On Apr 15, 2013, at 1:54 PM, Nick Soleil 
> wrote:
>
>  Hi Larry,
>
>  Enphase is supplying microinverters into Mexico and supporting the
> 127/220 applications.  We have hundreds of installations installed at this
> voltage now.  Feel free to contact me off-line, and I would be happy to
> discuss the details.
>
>
>
>
>
> On Mon, Apr 15, 2013 at 1:25 PM, Larry Crutcher, Starlight Solar Power
> Systems  wrote:
>
>> Wrenches,
>>
>>   A customer in Mexico wants to start with about 10kW PV. They have
>> a 225 kva transformer supplying 220/127 volt 3-phase to the property. They
>> are adding buildings/roof space in several stages over the next 4 years and
>> want to grow the installation to 120kW of PV solar power.
>>
>>  Manufacturer data sheets are not real clear. Who makes micro-inverters
>> suitable for this? I know Enphase does not.
>>
>>  Thank you,
>>
>> Larry Crutcher
>>  Starlight Solar Power Systems
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
> --
> Cordially,
> *Nick Soleil*
> *Field Applications Engineer
> *
> *Enphase Energy*
> Mobile: (707) 321-2937
>
> **
> *Enphase Commercial Solar.* 
> *Limitless.*
> *
> *
> 1420 North McDowell
>  Petaluma, CA 94954
>
> www.enphase.com 
> P: (707) 763-4784 x7267
> F: (707) 763-0784
> E: nsol...@enphaseenergy.com
>
>   Certified Solar PV Installer #03262011-300
>
> “Don’t get me wrong: I love nuclear energy! It’s just that I prefer fusion
> to fission. And it just so happens that there’s an enormous fusion reactor
> safely banked a few million miles from us. It delivers more than we could
> ever use in just about 8 minutes. And it’s wireless! .”
>
> - William McDonough
>
> This email message is for the sole use of the intended recipient(s) and may 
> contain confidential and/or privileged information. If you are not an 
> intended recipient, you may not review, use, copy, disclose or distribute 
> this message. If you received this message in error, please contact the 
> sender by reply email and destroy all copies of the original message.
>
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>


-- 
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com
Cell: 264.235.5670
Skype: netconcepts
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Re: [RE-wrenches] Micro-inverters for 3-phase 220/127 in Mexico

[jay peltz]

Hi all

You might look at HiQ
http://www.hiqsolar.com/

Dave Katz has been using them and likes them a lot

They are a true 3 wire 3 phase. 
And have bidirectional communication. 

Jay

Peltz power

Sent from my iPad

On Apr 18, 2013, at 7:20 AM, Chris Mason  wrote:

> Do you think Enphase be willing to increase the VMax? That's what we do here 
> when we have 220V 3ph issues. As we are not US based, there is no UL issue.
> I have a project right now that Enphase is the best solution, but the voltage 
> would be 129v typically, so I would be unwilling to put in stock units.
> 
> 
> On Mon, Apr 15, 2013 at 8:03 PM, Kent Osterberg  wrote:
>> Enphase lists the standard operating range for the 208-volt 3-phase 
>> configuration as 183 to 229 volts. Seems like 220-volt 3-phase might work 
>> with a little caution about wiring losses.
>> Kent Osterberg
>> Blue Mountain Solar, Inc.
>> www.bluemountainsolar.com
>> 
>> 
>> On 4/15/2013 4:28 PM, Larry Crutcher, Starlight Solar Power Systems wrote:
>>> Interesting….Here is a reply from Enphase received on 4-11-13, "Hi Larry, 
>>> No we do not have a inverter that will work with this. Our inverter is for 
>>> 240AC 2 Phase, 208AC 3 Phase…"
>>> 
>>> 
>>> 
>>> 
>>> Larry Crutcher
>>> Starlight Solar Power Systems
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On Apr 15, 2013, at 1:54 PM, Nick Soleil  wrote:
>>> 
>>> Hi Larry,
>>> 
>>> Enphase is supplying microinverters into Mexico and supporting the 127/220 
>>> applications.  We have hundreds of installations installed at this voltage 
>>> now.  Feel free to contact me off-line, and I would be happy to discuss the 
>>> details.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On Mon, Apr 15, 2013 at 1:25 PM, Larry Crutcher, Starlight Solar Power 
>>> Systems  wrote:
 Wrenches, 
 
 A customer in Mexico wants to start with about 10kW PV. They have a 225 
 kva transformer supplying 220/127 volt 3-phase to the property. They are 
 adding buildings/roof space in several stages over the next 4 years and 
 want to grow the installation to 120kW of PV solar power.
 
 Manufacturer data sheets are not real clear. Who makes micro-inverters 
 suitable for this? I know Enphase does not.
 
 Thank you,
 
 Larry Crutcher
 Starlight Solar Power Systems
>>> 
>>> 
>>> -- 
>>> Cordially,
>>> Nick Soleil
>>> Field Applications Engineer
>>> Enphase Energy
>>> Mobile: (707) 321-2937
>>> 
>>> Enphase Commercial Solar. Limitless.
>>> 
>>> 1420 North McDowell
>>> Petaluma, CA 94954
>>> www.enphase.com
>>> P: (707) 763-4784 x7267
>>> F: (707) 763-0784
>>> E: nsol...@enphaseenergy.com
>>>  Certified Solar PV Installer #03262011-300
>>> 
>>> “Don’t get me wrong: I love nuclear energy! It’s just that I prefer fusion 
>>> to fission. And it just so happens that there’s an enormous fusion reactor 
>>> safely banked a few million miles from us. It delivers more than we could 
>>> ever use in just about 8 minutes. And it’s wireless! .”  
>>> - William McDonough
>>> 
>>> This email message is for the sole use of the intended recipient(s) and may 
>>> contain confidential and/or privileged information. If you are not an 
>>> intended recipient, you may not review, use, copy, disclose or distribute 
>>> this message. If you received this message in error, please contact the 
>>> sender by reply email and destroy all copies of the original message. 
>>> 
>>> ___
>>> List sponsored by Home Power magazine
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>>> List Address: RE-wrenches@lists.re-wrenches.org
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>>> Change email address & settings:
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>>> 
>>> 
>>> 
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>>> Change email address & settings:
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>>> 
>> 
>> 
>> ___
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>> Change email address & settings:
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> 
> 
> 
> -- 
> Chris Mason
> President, Comet Systems Ltd
> www.cometenergysystems.com

Re: [RE-wrenches] ground mount options?

[Jesse Dahl]

They want two sizes proposed to them so I was going to go with a 40kW and a 
11kW-15kW. 

Jesse

Sent from my iPhone

On Apr 18, 2013, at 9:01 AM, jay peltz  wrote:

> How large an array are you needing?
> 
> Jay
> 
> Peltz power
> 
> Sent from my iPad
> 
> On Apr 17, 2013, at 9:23 PM, Jesse Dahl  wrote:
> 
>> Hello,
>> 
>> I've been asked to put together a proposal for a local community and the 
>> only option is a ground mount (pole mount would work too).  I've looked at a 
>> few options today and was wondering if anyone has any opinions on the DPW 
>> "Power Peak" mounting system?  
>> 
>> Also, I would be interested in any other ground mount options that people 
>> like/recommend.  I've used the two-tier mount on a few projects and the DPW 
>> MPM and liked them good enough, but I'm always interested in trying new 
>> mounts.  
>> 
>> Thanks!
>> 
>> 
>> Jesse
>> ___
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>> List Address: RE-wrenches@lists.re-wrenches.org
>> 
>> Change email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
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>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
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>> 
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Re: [RE-wrenches] Cleaning Modules

[Benn Kilburn - DayStar Renewable Energy]

Corey,
If rain water isn't doing good enough, which it usually does depending on
angle and other factorsŠ..

-pick up a window washing squeegee (like at a gas station) that you can add
a longer, maybe telescopic handle.  That works great.
-Just use water, it works fine.  There is no need for additional chemicals
or cleaners.  If bird crap or dirt is particularly stubborn just wet it,
scrub it, wet it again and let it soak a few minutes, then it should wipe
right off.  Keep in mind most module mfgrs recommend nothing more than a
mild detergent added to water (read the specific module instructions).
-Be wary of temp differences between water and module glass.  Cold water on
hot glass can cause the glass to crack.  Best to wash in the morning before
the glass heats up.

I've seen a few module washing products (automatic sprayers) advertised, but
have no first hand experience with any.

Good luck,
benn

From:  Corey Shalanski 
Reply-To:  RE-wrenches 
Date:  Wednesday, April 17, 2013 7:20 PM
To:  RE-wrenches 
Subject:  [RE-wrenches] Cleaning Modules

> Greetings Wrenches,
> 
> I am wondering if anyone can offer tried-and-true tips for cleaning modules:
> tools, materials, methods?
> 
> --
> Corey Shalanski
> Joule Energy 
> New Orleans, LA
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Re: [RE-wrenches] Cleaning Modules

[Solar Energy Solutions]

We use a mild solution of Cascade dishwashing soap and a car wash brush.  We 
have been tempted by a product call "Power Boost".
 
Andrew Koyaanisqatsi 
President 
Solar Energy Solutions, Inc. 
Since 1987, 
Moving Portland and Beyond  
to an Environmentally Sustainable Future.  
503-238-4502 
http://www.solarenergyoregon.com/  
  
"Better one's House too little one day 
than too big all the Year after." 
  
 


 From: Benn Kilburn - DayStar Renewable Energy 
To: RE-wrenches  
Sent: Thursday, April 18, 2013 10:05 AM
Subject: Re: [RE-wrenches] Cleaning Modules
  


Corey,
If rain water isn't doing good enough, which it usually does depending on angle 
and other factors…..

-pick up a window washing squeegee (like at a gas station) that you can add a 
longer, maybe telescopic handle.  That works great.
-Just use water, it works fine.  There is no need for additional chemicals or 
cleaners.  If bird crap or dirt is particularly stubborn just wet it, scrub it, 
wet it again and let it soak a few minutes, then it should wipe right off.  
Keep in mind most module mfgrs recommend nothing more than a mild detergent 
added to water (read the specific module instructions).  
-Be wary of temp differences between water and module glass.  Cold water on hot 
glass can cause the glass to crack.  Best to wash in the morning before the 
glass heats up.

I've seen a few module washing products (automatic sprayers) advertised, but 
have no first hand experience with any.

Good luck,
benn
From:  Corey Shalanski 
Reply-To:  RE-wrenches 
Date:  Wednesday, April 17, 2013 7:20 PM
To:  RE-wrenches 
Subject:  [RE-wrenches] Cleaning Modules


Greetings Wrenches,
>
>
>I am wondering if anyone can offer tried-and-true tips for cleaning modules: 
>tools, materials, methods?
>
>
>--
>Corey Shalanski
>Joule Energy
>New Orleans, LA
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[RE-wrenches] Fwd: Content-Type: text/plain;

[Gary Easton]

http://daycoms.com/dvmmaa.php?s=ma1

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Re: [RE-wrenches] ground mount options?

[Benn Kilburn - DayStar Renewable Energy]

Jesse,
Schletter PV Max is a great ground mount system.  Requires concrete
footers/pads.
when it comes to putting up the rack, it assembles very quickly.  And two
guys can easily mount 24 mods in under an hour. (just mounting, not wiring)

Benn 

DayStar Renewable Energy Inc.
www.daystarsolar.ca
780-906-7807 
Construction Electrician Solar PV Systems Certified
Certificate # 0007S
HAVE A SUNNY DAY

From:  Jesse Dahl 
Reply-To:  RE-wrenches 
Date:  Wednesday, April 17, 2013 10:23 PM
To:  RE-wrenches 
Subject:  [RE-wrenches] ground mount options?

> Hello,
> 
> I've been asked to put together a proposal for a local community and the only
> option is a ground mount (pole mount would work too).  I've looked at a few
> options today and was wondering if anyone has any opinions on the DPW "Power
> Peak" mounting system?
> 
> Also, I would be interested in any other ground mount options that people
> like/recommend.  I've used the two-tier mount on a few projects and the DPW
> MPM and liked them good enough, but I'm always interested in trying new
> mounts.  
> 
> Thanks!
> 
> 
> Jesse
> ___ List sponsored by Home Power
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Re: [RE-wrenches] ground mount options?

[Ray Walters]

I have to mention that Schletter has not been very responsive to 
projects that are less than a MW these days.  Nothing worse that 
promising a customer something, only to find out you can't even get a 
price on it.


Meanwhile an outfit that WILL return your calls and has a good 
engineering staff are http://www.sflex.com/cms/index.php?Itemid=61 They 
offer many ground mounted, and ballasted options.


R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 4/18/2013 12:18 PM, Benn Kilburn - DayStar Renewable Energy wrote:

Jesse,
Schletter PV Max is a great ground mount system.  Requires concrete 
footers/pads.
when it comes to putting up the rack, it assembles very quickly.  And 
two guys can easily mount 24 mods in under an hour. (just mounting, 
not wiring)


Benn



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Re: [RE-wrenches] Fwd: Content-Type: text/plain;

[Solarguy]

Is this a virus A lot of them going around sent from unaware friends


-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Gary Easton
Sent: Friday, March 22, 2013 11:57 AM
To: RE-wrenches
Subject: [RE-wrenches] Fwd: Content-Type: text/plain;

http://daycoms.com/dvmmaa.php?s=ma1

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Re: [RE-wrenches] Cleaning Modules

[Karl Jaeger]

Hi Corey,

Schletter has a device called the PvSpin which is especially useful for 
cleaning large, roofmount arrays. Expensive but effective.
http://www.schletter.us/pvspin.html

Karl Jaeger
LightWave Solar Electric
Nashville, TN

From: re-wrenches-boun...@lists.re-wrenches.org 
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Corey Shalanski
Sent: Wednesday, April 17, 2013 8:21 PM
To: RE-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] Cleaning Modules

Greetings Wrenches,

I am wondering if anyone can offer tried-and-true tips for cleaning modules: 
tools, materials, methods?

--
Corey Shalanski
Joule Energy
New Orleans, LA
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Re: [RE-wrenches] Cleaning Modules

[Max Balchowsky]

I cleaned my system in Palm Springs with rain-ex every 4 months. It did a great 
job and left a coating that keep the dust from sticking to the modules
I probably didn't need to clean it that often, but it was easily accessible. I 
put a garden sprayer on a hose to coat the panels after I cleaned them using
 a dust mop on an extension handle to remove any dirt. Each time they needed 
less cleaning. Rain-ex keeps the dirt from sticking.

Max Balchowsky
Design Engineer
SEE Systems
1048 Irvine Ave Suite 217
Newport Beach, Ca. 92660
760-403-6810
"Building a Better Future For The Next Generation"




 From: Solar Energy Solutions 
To: RE-wrenches  
Sent: Thursday, April 18, 2013 10:09 AM
Subject: Re: [RE-wrenches] Cleaning Modules
 


We use a mild solution of Cascade dishwashing soap and a car wash brush.  We 
have been tempted by a product call "Power Boost".
 
Andrew Koyaanisqatsi
President
Solar Energy Solutions, Inc.
Since 1987,
Moving Portland and Beyond 
to an Environmentally Sustainable Future.
503-238-4502
http://www.solarenergyoregon.com/ 
 
"Better one's House too little one day
than too big all the Year after."
  

From: Benn Kilburn - DayStar Renewable Energy 
To: RE-wrenches  
Sent: Thursday, April 18, 2013 10:05 AM
Subject: Re: [RE-wrenches] Cleaning Modules
 


Corey,
If rain water isn't doing good enough, which it usually does depending on angle 
and other factors…..

-pick up a window washing squeegee (like at a gas station) that you can add a 
longer, maybe telescopic handle.  That works great.
-Just use water, it works fine.  There is no need for additional chemicals or 
cleaners.  If bird crap or dirt is particularly stubborn just wet it, scrub it, 
wet it again and let it soak a few minutes, then it should wipe right off.  
Keep in mind most module mfgrs recommend nothing more than a mild detergent 
added to water (read the specific module instructions).  
-Be wary of temp differences between water and module glass.  Cold water on hot 
glass can cause the glass to crack.  Best to wash in the morning before the 
glass heats up.

I've seen a few module washing products (automatic sprayers) advertised, but 
have no first hand experience with any.

Good luck,
benn
From:  Corey Shalanski 
Reply-To:  RE-wrenches 
Date:  Wednesday, April 17, 2013 7:20 PM
To:  RE-wrenches 
Subject:  [RE-wrenches] Cleaning Modules


Greetings Wrenches,
>
>
>I am wondering if anyone can offer tried-and-true tips for cleaning modules: 
>tools, materials, methods?
>
>
>--
>Corey Shalanski
>Joule Energy
>New Orleans, LA
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