For those that haven't seen it, yesterday @Will Prowse posted a great review on the Mac Daddy of SCC'ers.... I love mine (450/200).. thanks for showcasing it Will.
Victron MPPT RS SCCs (Will review)
- Thread starter Jennifer
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Gavin Stone
Solar Addict
I don’t even really need one, but I want one. The more I see of Victron the more I like.
Come over to the dark (blue) side Gavin, we are your Father!!!!!!!
(PS: You'll find a need for one once you have it... if you have a building/roof with more than one side, you'll find a use for it)
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It's so nice. I wish victron would respond to me and send free stuff ? I love their equipment. Just works.
Multiple strings are fantastic for small ground arrays.
There you go, they don’t need to send free stuff, it just works.
If you can get to that minimum PV voltage of 80 volts then this unit can't be beat, I think that's the deciding factor on a lot of smaller, or RV based system, the need to panel up to at least 80VDC. Even with residential or commercial panels, that's at least two 72 cell units and that's a tight fit on a VW van. ?
Hedges
I See Electromagnetic Fields!
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- Mar 28, 2020
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First Solar Series 6 440W Thin Film Solar Panel – SAV | SanTan Solar
These panels are only located at our Savannah, GA facility. These are First Solar Series 6 440W thin-film solar panels. They are unused but have been stored outside. Panels have been cleaned and repalletized. First Solar Series 6 (PV) modules set the industry benchmark for reliable energy...
www.santansolar.com
"Open circuit voltage (VOC): 220 V"
HA!!! but damn, really? for 202.00, somethings wrong with this picture, even if they WERE in stock.First Solar Series 6 440W Thin Film Solar Panel – SAV | SanTan Solar
These panels are only located at our Savannah, GA facility. These are First Solar Series 6 440W thin-film solar panels. They are unused but have been stored outside. Panels have been cleaned and repalletized. First Solar Series 6 (PV) modules set the industry benchmark for reliable energy...
"Open circuit voltage (VOC): 220 V"
sunshine_eggo
Happy Breffast!
It says a lot that I'm green with envy, and I have a 250/100...
Oh son... I had a 250/100 as well... and it's like a new world with the 4 tracker unit..
Don't be green, no one likes green Eggo's.
sunshine_eggo
Happy Breffast!
One day....
Hedges
I See Electromagnetic Fields!
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- Mar 28, 2020
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- 21,191
"Max power current: 2.38 A"
It's kind of nice not needing fuses. When inverters were small, one or two strings. Larger, 2 or 3 MPPT inputs.
With these panels you practically need a fuse per 440W panel. Maybe per 2 panel string, depending on MPPT max voltage.
I find the higher amperage panels a bit annoying. MPPT inputs of newer Sunny Boy are about 12A, so with 10A panels you can't effectively put two strings on them. It looks like with older 6A or 7A panels, I could do 2 strings per MPPT x 3 MPPT and get 15kW of panels on a 7.7kW inverter. Each pair of strings being two orientations. That's the plan for my sister's house. All with a single 40A PV breaker.
is it nice taking 16 days to charge up your battery bank? Lol
Things to keep in mind with that controller that aren't obvious from spec sheet:
- Each MPPT tracker is limited to 4000W output (you can over panel but 4000W is max a tracker can contribute to charging)
- The array Voc to a tracker must be less than 8 * your battery float voltage
- It states you are limited to 20A Isc in spec sheet but that is technically not true. It has reverse polarity protection up to 20A but you can connect up to 30A Isc array to a tracker.
Hedges
I See Electromagnetic Fields!
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- 21,191
If a Victron SCC has its FETs fail shorted, does that connect PV to the battery? Or are they isolated by an HF transformer?
That seems to be an issue for some products, and at least some UL Listed SCC are protected against over-charging battery.
That seems to be an issue for some products, and at least some UL Listed SCC are protected against over-charging battery.
sunshine_eggo
Happy Breffast!
My 250/100 is UL 1741.
Why, so the prices raise for all of us to get the certification? No thanks ? the world’s a lot bigger place than the USA and I’d rather see a great product reasonably priced than a overpriced one covered in 100’s of different cert stickers that mean nothing… if anyone wants to know the value of a govt agency signing off on your safety, there’s a small town in Ohio about to have Dioxin mutated babies that would be happy to let you know how it’s working out for them and the certified tracks running through their town as well as a large city in South Carolina full of people paying speeding tickets on calibrated/certified radar/laser guns.
Have a speeding ticket in Charlotte within the last 50 years? Watch this.. OMG
Wow.... FCC General Class License be damned... Wow. All ya'all who get a refund for your ticket owe me a cold Corona. :) Reminds me of a discussion we're having in another area of the forum where someone was discussing the value of govt certification/UL listings on Victron equip...... well all...
diysolarforum.com
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