Thank you for the great forum, Safe Driving over the weekend. Sincerely Jason
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Need some real world advice
SvenA posted a topic in Starting In Solar? Feel free to introduce yourself,
So after much debate and conversations with people, my CFP said he did tons of research into his solar system and gave me advise which lead to decision to go for the following:
Either the alpha smile 10.1kwh system with its inverter and 3.5kw solar array from JASolar mono panels. Or a goodwe 4.6kw with the same batteries/pylontech batteries measuring the same power storage. My query is the following:
The goodwe can't be done in parallel from what I see, so does this mean i need to replicate the system again if I need more in the future?
Are there any regulations I need to be aware of when connecting all this to a prepaid meter In joburg?
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10 x Dyness 9.6kWh Lithium Power Boxes Available!
Energy posted a topic in The Powerforum Store,
Dear All, As per the attached we have secured 10 x off the attached units. Units are in stock.
Dyness 9.6kWh Units in stock. Compatible with a host of Inverters.
R69 000 Including Vat Per 9.6kWh Unit.
10 Units available and in stock.
Please contact [email protected] ; Subject Dyness.
Sincerely
Jason-
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Planning a 2 x 3kW Vicron System
oddysee posted a topic in Inverters,
Greetings all! It's been a long time since I've been lured out of the shadows into signing up on a new forum. What a great place this is - hats off to all the community leaders!
While I'm new to solar energy, I'm a long time petrol generator user. In my previous city, it was commonplace to use a generator when the grid choked. In the land of wine and fynbos, however, I hear no generators and I'm loathe to disturb the peace - not to mention that I no longer have a dedicated generator circuit. So, I've decided to part ways with my Honda 6.5kVA genny to pave the way for some Vicron goodness. Things appear to be worse than they've ever been so going green and sustainable seems inevitable.
Until recently, I decided I would "settle" with Goodwe due to the integrated MPPT charge controller, cost saving and NRS approval. My first love was always a Victron though and I'm leaning more towards this brand once more. I'm particularly sold on the rave reviews, flexibility and their app. The VictronConnect app has to be the best there is! I'm an IoT guy and this sorta thing is super important to me. I don't only want to consult a small LCD screen on the wall or do battle with an app that doesn't update properly.
My casual obsession and nightly research has led me to plan a system around the Victron MP II 48/3000. While I'd love to spring for the 48/5000, it's not possible right now. In order to get a "foot in the door", I figured I'd start with the 3kW now and then add another 6 months later. Good or bad idea?
In terms of solar panels, I'm not really sold on anything right now. Battery-wise, I started off being 100% sold on PylonTech US2000B but I'm now intrigued by the UFO 5kWh. I don't have a ton of garage floor space but have some great wall space that is already next to a mini-DB.
Fire away, gents!-
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- 14 replies
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Goodwe vs others
markus_m2 posted a topic in Inverters,
Hey guys,
Been doing a lot of reading here - some brilliant advice and posts.
I'm looking at installing a hybrid system - around 4.5kW Inverter, 3.6kWp PV and probably 2 Pylontech 3000s, largely DIY.
So here's the question - what brand inverter?
Leaning towards the Goodwe as a brilliant little all-rounder. Seems to include all function we require in one unit, good quality, easy install, and all at a pretty reasonable price.
But what would we be missing out on compared to the competition?
Thinking specifically Victron and/or SMA - what extra features and enhancements do these offer over the Goodwe? I hear the Goodwe is a little limited in the setup / programming one can do - this'd be a serious drawback for me. Are the others worth the extra expense and complexity? (As I understand both these other systems one would need seperate modular units as opposed to Goodwe all-in-one)
Would really appreciate your guys' reasons for preferring one over the other...-
- 24 replies
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Available Now : New 8 x Pylontech Pylon US2000 2.4kWh Li-Ion Solar Battery
Energy posted a topic in Classifieds,
Hi All I have 8 New in box x Pylon US2000 2.4kWh Li-Ion Solar Battery Available NOW for R12500 Excl Vat.
Please note first come first serve. They new stock from a project that did not continue.
All profits go to running of the forum - Thanks All.
I hope this is helpful.
Sincerely
Jason-
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Those are probably not too bad if you have a lowish battery voltage, e.g. Pylontechs with sane battery voltage settings. But if you need to go near 60 V battery at times, then 80 V is only 7% better than the original 75 V, and 64 V (the max) is 10% higher than 58.4 V (the old max battery voltage). Fascinating that they still use two different brands, when they are all electrically in parallel. It really depends on the lifetime rating of the capacitors. I doubt that they are using 10,000 h parts; I don't have time to check just now. -
It's not normal, and you should try to fix it soonish. All I can think of is loose wiring (AC-out or battery), or too thin wiring (AC-out should be 4 mm² or 6 mm²; battery cables should be at the very least 16 mm², preferably 25 mm² or 50 mm²), or a problem with a breaker or fuse. A common problem with a battery fuse, if you use it as a battery isolator, is if you don't pre-charge properly, the fuse case can get nasty burn marks that don't conduct properly. It may be possible to clean up the marks or rotate the fuse to a clean area (wherever the fuse makes contact). Check to see if the battery voltage fluctuates as well. It could be that you battery is undersized or high internal resistance.
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It will be that you can't set the float setting to higher than the bulk setting. So if decreasing both and they would temporarily cross over, you need to do the float setting first, to "make room" for the bulk setting.
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By Jaco de Jongh · Posted
I hope your backup loads are below 1700wh. If its above this the Pylon will switch off to protect itself against over discharging. you would effectively need 3 x us30-0 to run the 5kva in offgrid mode without problems.
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