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,
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
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
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
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
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
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
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
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
>
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
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