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Also worth noting the listed efficiency. If it's 88% "peak", that sounds great until you put it against the 12kw rating. (What's "peak" mean anyway? Is the continuous warmed-up efficiency lower than this??)
12,000 / 0.88 = 13,636W input for 12kw output. That's 1,636W of heat generated at full nameplate.
I'm sorry, but a little quiet 80mm muffin fan ain't gonna get 1,636W out of an inverter! And of course, the hotter the transformer gets, the higher the losses go (due to the thermal resistivity of the wiring).
Due to the heavier weight of the inverter (more thermal mass), it would be safe to presume that they can handle 12kw for maybe half an hour or so. But I would seriously doubt they can do it 24/7.
We're hoping for 92% efficiency or higher on the GS12. That's still 1,043W of loss--but we'll have 750-1000CFM of airflow to get that heat out. And it'll be able to do the rated load 24/7.
...back to work on the spec manual 😉
Strangely enough not a single reviewer on YT has done a hard test of any of them. Even those that have the technical nous to hook up a scope and show what is actually coming out of them under high load have not done it. That tells me everything there is to know about the alleged independence of those reviewers.
NOT strange at all . Will P. is a amazon affilate and on one of his rant last year (I forget which one but over 2 hours long ) say youtube review and amazon pay off his 500 thousand LV Nev house in 2 years . He also has a Tesla all paid off and he is unemployed with disabilty ??
His book earned him a lot of money. His Amazon affiliate link gets him a slice of the action but that comes by way of Amazon not the seller. Likewise he gets ad revenue from youtube. I don't know the actual story behind him but I'd be hesitant to throw him in with the questionable reviewers since he does actually take things apart and tests things to the limits of his technical abilities.
NOT strange at all . Will P. is a amazon affilate and on one of his rant last year (I forget which one but over 2 hours long ) say youtube review and amazon pay off his 500 thousand LV Nev house in 2 years . He also has a Tesla all paid off and he is unemployed with disabilty ??
yes, essentially all of them are on the affiliate paid reviews kickback program....will p ,lithium solar, average joe, etc,,,paid advertisements in their review....kind of like working for powerjack and hyping their products,,,,,
i believe the Sigineers say they can surge 3x their rated capacity for 20 seconds and do the 12k etc continuously,,,,but that is their advertisement....(maybe other brands have a similar advertisement,,,,,like the powerjack claim of 30000 watts or 20000 watts or 15000 watts etc that sean originally hyped as they could do it and he saw the testing,,,,then they send out fake inferior quality products ???? hmmmm
they get the equipment sent to them for free to put out a youtube review where they advertise the product for a kickback as an affiliate...
i take all that information with a grain of salt..... don't believe it until it is proven to do what it says...
some hype reviews are better than others,,, at least w prowse tries to make the vendors see their product problems but does not test sigineer or sungold power etc,,,, he is more into growatt ....
he is more into the server rack batteries and all in one units now...,
sales numbers do drive his videos i think.... but lots of information via his videos and forum.... they just hate powerjack
whereas Sean promoted them (PowerJack) for years until they left him without notice....to do their own returns etc...
all the you tube videos I have seen have not demonstrated heavy load capability 24/7 on any inverter of 12k size under long term load.... likely due to battery capacity not available.... to run a 12k inverter at full load capacity 24/7...
only short duration load test videos... is all I have seen...
YES a huge 280,000 watt hour battery system is what Sean need to do test in his new 5000 sq ft house which is almost impossible and too dangerous with electric car battery from battery hookup in the picture .
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That 18 kW Sigineer has an EI transformer and idles at 250 watts.
received one eBay refund today for the cardboard mailer scam via powerjack seller rayjunglepower.... 2 more to go....
The high idle draw of even the lower wattage Chinese inverters is a problem. 80 watts is about 2kWh a day and that's a fair slice of the production of a small system.
The high idle draw of even the lower wattage Chinese inverters is a problem. 80 watts is about 2kWh a day and that's a fair slice of the production of a small system.
yes, on a whole house system running a large inverter which is never at idle ,,,,, a Sigineer 18K LF inverter with 250 watt standby idle would not be as big a problem in a large solar panel system with a big battery bank, but still a bit of wasted solar power... so more panels needed....
13 minutes ago, dickson said:
all the you tube videos I have seen have not demonstrated heavy load capability 24/7 on any inverter of 12k size under long term load.... likely due to battery capacity not available.... to run a 12k inverter at full load capacity 24/7...
only short duration load test videos... is all I have seen...
YES a huge 280,000 watt hour battery system is what Sean need to do test in his new 5000 sq ft house which is almost impossible and too dangerous with electric car battery from battery hookup in the picture .
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a more than 30000 dollar tax write off with a 26 percent federal tax credit,,,, there you go Sean That would be just the battery cost! the bigger the battery gets and as amps increase the more it gives me the willies.... I have an 1188Ah battery and some 560Ah batteries with LiFePO4 cells .....that is plenty to respect.....for me anyways....🤔
This might be the last year for that full 26% home solar tax credit. Can a load test harm an inverter? I'm being cautious with my new "8000" Watt Power Jack and probably haven't drawn 1500 Watts at once. I do have an AC clamp meter, and I guess the inverter has an overload shutoff, but I would hate to blow it up.
32 minutes ago, RobertM said:This might be the last year for that full 26% home solar tax credit. Can a load test harm an inverter? I'm being cautious with my new "8000" Watt Power Jack and probably haven't drawn 1500 Watts at once. I do have an AC clamp meter, and I guess the inverter has an overload shutoff, but I would hate to blow it up.
It's a PJ, so YMMV...Sean has had not just 1 or 2 customers call him in the past 2 months saying their "30,000W" PJ blew up trying to start a standard 120vAC window air conditioner.
A full-load test of a properly-specced inverter shouldn't hurt anything.
It's a PJ, so YMMV...Sean has had not just 1 or 2 customers call him in the past 2 months saying their "30,000W" PJ blew up trying to start a standard 120vAC window air conditioner.
Mine did shut off, first trying to start 240V well pump, and also starting a 750W 115V refrigerator. I recently discovered it starts and runs the refrigerator fine, IF the inverter is already powering another appliance.
a PJ, so YMMV...Sean has had not just 1 or 2 customers call him in the past 2 months saying their "30,000W" PJ blew up trying to start a standard 120vAC window air conditioner
That 30000 watt PJ must not have the ASL11.0 transformer ?? When the 15 kw or higher PJ inverter blow up the only parts usable is the transformer and shell . The 2 complete main boards and control board and output board and all 48 FETs are gone so did Sean tell the PJ customer to pay him 5000 dollars to fix ?? The AMG 8000 watt with the rev 11.3 control board will shut down with red light alarm if over loaded every time and the FETs will alway be saved for unknown PJ new design as I done many time with the rev 11.1 control board in my 3 years old 8000 watt PJ that originally had the rev 10.3 control board and now never blow up the FETs