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Yeah, as an engineer the mis-use of abbreviations and multipliers does grate somewhat (I even find it in supposedly "professional" equipment documentation!), although usually it's interpretable. India opening a 100mW solar farm - Yeah, I get that, I have one on my calculator. A 10KW heater - OK...

Here's a pretty comprehensive list

Background Myself and JAS live about 20km apart as the crow flies, at this time of year in Thailand there's no localised storm activity so we get broadly similar weather. Although our systems are of different capacities the panels are oriented in roughly the same direction and angle. We also...

The ultimate low-energy solution ... Add a solar-powered dryer ...

But it's the underwear that's important in the event of an accident. At least, that's what my mum said!

I fear I'm in the same category :( I've been hounded out (or totally ignored) from other fora for asking questions that "everybody knows the answer to" or for "posting in the wrong forum". Guys, if I know the answer why the flip did I post the question? If it's in the wrong place, mods move...

Meanwhile in the UK we use sheep. Baa. https://www.fwi.co.uk/livestock/how-solar-panel-diversification-is-working-for-a-sheep-enterprise "Agrivoltaics" is definitely a growing idea, if you don't completely cover the area with panels you can grow shade-loving plants underneath.

Madam does the laundry during the day anyway, I'm sure she thinks the washer will explode or something if it's not monitored every 5 minutes. The Thai maid is terrified of the machine (must be black-magic) and doesn't do the ironing "correctly". I do wonder why we pay her, mainly to push the...

As a mod on another forum based in Thailand (recently expanded to cover all of ASEAN) I know exactly what the issues are. We only edit a members post if it is generally useful but just has a minor flame or a profanity (Google doesn't like naughty words and we are largely advertising funded)...

"Free" energy is always nice, no matter how little or how much, it all helps. Our 10.6kWp on-grid hybrid located in sunny Thailand, in its current form has generated 14.144 MWh since October 2021 and 25.226 MWh since its inception (in a rather smaller form) in March 2020 :) Still a long way...

Despite the ALL CAPS posting above (poor netiquette and difficult to read) NFPA 855 is worth a look as it may well apply to you. 2020 edition attached (there is a 2023 edition, but I couldn't find a free download). Chapter 15 One- and Two-Family Dwellings and Townhouse Units would be a good...

If anyone is interested, we have progress interfacing the Emerson R48 and WeMos D1 Mini. Updated board, I have a load of the little OLED displays (it's always nice to see what's going on), the Molex to the left of the display brings out the I2C interface along with GND, 3V3 and 5V lines. I...

Yup ^^^, me too!! It's the "reverse-illusion" that gets me. Let me explain, an "illusion" is when you see something that's not there, the "reverse-illusion" is when you know damn well something is there, but you just can't see it! For example, I just put that small screwdriver down on my...

As a moderator on another forum (come over to Aseannow.com and say "hi") I know exactly what you mean. It's not the technical inaccuracies per-sé it's the acidic responses to corrections. We would have warned and prevented forum access by now, keep up the BNBR (Be Nice, Be Respectful) rule...

As others have noted. If you use a decent crimper and quality copper crimps there should be no need to solder. If you have a crappy crimper / low quality crimps then soldering can add to the electrical strength (crimp first). BUT If you have a high vibration (mobile) application then the...

4S of 42V Voc panels is 168V !!! Magic smoke time :( 3S (126V) is the most you can do on that 145V input, so you'll need another panel to do 3S 5P.

I'm just coming off a Friday afternoon "weekly wash-up", with our main contractor (weakly is closer). Got a beer in my hand and cricket World-Cup on the Telly (I'm a Brit!). Madam is cooking excellent Thai food for dinner. Monday is a public holiday here and all is right with the world :)

There's going to be an almighty punch-up between the charge controllers. It will probably "function" but it won't "work". Charge the 24V off the array with a single controller (or two if you need the power) and use a 24V=>12V charger for the 12V.

I'm afraid that's what PWM controllers do. They simply connect your panel to the battery and let the current flow. As the battery approaches fully charged the controller actually does its "PWM" thing and chops up the current and eventually turns it off so that you don't over charge your pack...

Yup, add me to the list. I just got two of the Liyuan 280Ah 48V kits, great quality and not silly money. I have 32 cells which will fit that are currently as a "naked" 2P16S arrangement (they do have separators). I'm going to order another pair of boxes for them. That would place all my cells...

Saw this, thought of this thread, sorry ...

Oops! Well it can do no harm to pop the lids off and look for blown fuses, although from your description of what happens when you try to power up I'm afraid you could be right. Feeding the mains up the output of an inverter not intended to grid tie is very likely to let the Magic Smoke out...

The bill was defeated!! At least for now. https://solarrights.org/sneakysolartax/

And my warped mind immediately thought of this old one:- Bill worked in a pickle factory. He had been employed there for a number of years when he came home one day to confess to his wife that he had a terrible compulsion. He had an urge to stick his penis in the pickle slicer. His wife...

Any indication of the failure mode? Duff cells? Failed BMS? Just hideously out of balance? I'll bet you could build at least a couple of good packs out of the remains.

Lovely machine, a "proper" motorcycle! I had a Matchless 250 single in the late 70s, performance was negligible but "a power stroke every telegraph pole" sure delighted the ladies :P

Hmmm, I had massive fun with my Korean ex on a recliner! Note that it was in the lounge mind!

I use one of these chaps to limit the load on our inverter by tripping the load-shedding contactor (it kills the guest room A/C). Loads of similar devices on AliExpress and the like. EDIT The manual so you can see what's adjustable.