Sun 2000 GTIL2 Inverter full test. How it works, what it does.
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- Опубліковано 1 сер 2021
- Please be careful with this device and follow the local regulations for grid tie inverters in your country. This is just a test I'm doing, not a final installation and everything is safe and isolated
Today I'm testing the SUN GTIL2 Inverter with 2kW on my workbench. Before some will leave a comment, I'm not recommending connecting this inverter via a GPO, power outlet or power point. I also know that the inverter can feed-in a small amount of power even the limiter is set correctly. The same can be said about Victron inverters which are far worse than this inverter in this regard. When a load is turned off and the inverter ramps down it can occur, that power will be exported for 1-2s.
We test, how the inverter works and how the power output can be limited, either fixed or automatic. I show how the limiter clamp is working and walk you through all menu options (which are not many).
You can find the SUN Grid Tie inverter with limiting sensor in the 1kW and 2kW version here:
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DISCLAIMER
By watching the video, you agree:
All electrical work must be carried out as per your local laws, rules and regulations. Installations and setups shown in my videos are for test and demonstration purposes only and may not satisfy regulatory requirements. Installation are temporary, for the above purpose and for making these videos. Most electrical work is not for DIY purpose and must be conducted by a trained and qualified person. Please always check your local regulations!
Any liability for conducting your own work, in particular, any consequential damages arising therefrom, shall be excluded. - Наука та технологія
The gold standard for understanding GTIL inverters and how it all functions. Took me a LOT of researching my own DIY setup…wish this video was available back then. What an asset for people to learn from, great video. Bravo!
I have 2 of these inverters connected in parallel and I think you have the best video for explaining the device 👏
Thank you sir for this explanation of the sun2000. I have being looking for someone to teach me for months and the way you lay it out is so easy to understand and precise.
Cheers
app for smartphone?
Wow this is awesome, you know you have to show us how too stack them. Because 2 kilos isn’t enough. Please and give us more. There are no other videos as good as this one on the grid ties. Great job from Boncarbo Colorado.
I had to watch this a few times, regardless of how simple you made, oh wow has this given me what I needed
Öttinger Bier ich schmeiss mich voll weg!!! Jetzt hab ich all deine Videos durch. Respekt!
It gives me great pleasure to watch your videos with simple and to-the-point explanations. It would have been wonderful if this inverter had an input from the batteries and could set the automatic switch at a given time from the solar panels to the battery, thus ensuring operation at night or on very cloudy days. Thanks again for this interesting video material.
You don't need any switch. Just add a charge controller from your solar panels to your batteries and connect the inverter directly to your batteries. This way your solar will charge your batteries and the grid tie will run off batteries day and night or until your batteries get too low. If it does shut down at night due to low batteries it will come back on the next day automatically as soon as your batteries get to your reboot voltage.
I've just purchased the 2000w with limiter for use in my shed, here in England. Fantastic info, thank you..
I am very concerned about the build quality in terms of the power rating. Many chinese products don't live up to the specs. Der Kanal has had some in for repair with and without success in fixing them.
Stuart mate, I've just bought some panels and so now looking into grid tie inverter, do you use just solar? Or do you use batteries aswell?
@stuartdavies8388 how is the inverter holding up?
Thanks again Andy! Mine SUN 2000 is just a few steps way from us - just got an alert that it’s just landed in Auckland - it might take couple of days (or weeks? hopefully not) to Christchurch - rewatching your video for the settings to be prepared. Thank you! Will try to buy you few SPAT’s ;)
I greatly admire that even with people saying "oh that's a bad idea I wouldn't do that ect" too many people in this world think they know exactly what your situation is and exactly what you should do when the fact of the matter is they don't. I may not build things the way you or others do but by watching you go through your own trials, I learn a GREAT deal from it. NO ONE knows everything
... and I have tested these units now rather than installing them right away to see if it would work from a technical perspective. It would be a viable solution to my problem. And I wanted to share this here.
Thanks for your feedback.
@@OffGridGarageAustralia Your videos have convinced me to give them a try. I'm still researching how to use this on the US split phase. I see people have wired two CT sensors in series (or is that parallel) with a small resistor. Too bad this is not offered from SUN. Wonder if you ever used these and do you still recommend them? Your videos are immensely helpful.
Vidéo d'explication très pédagogique, merci Andy !
very grateful for the great video I use this inverter here in my country where it is forbidden to export energy to the grid I learned a lot from your video to get the most out of the equipment's performance
long live Australia!
God blesses.
Glad it helped. Thank you.
Very good video. Thank you. I plan to sell power to grid from my battery when the price are high,
(when I know I have that extra power)
Your video made me feel confident to buy one. 👍🏻
Great inverter, I have one too. For off-grid you can use the Victron to fool the GTIL2 into thinking there is grid power.
Excellent video and TNX also, I use the same in my grid tie setup with limiter since I have to pay if sending power into the grid, I produce a sine wave with a small generator in case power goes out and the gtil will kick in again and produce sun energy for my use as necessary.
Ordered one the other day thanks for the video on this Andy nice to see it in action thank you sir
No problem 👍
I have the same 2kw inverter. He make a very good Job for now 2 years. He produze 3560kwh without any Problems. Thats amasing. I love these inverter.
thank you for review . bought SUN GTIL2 and i'm very happy, works very well
Thanks Andy, very well done info session. I currently have a garrage that only has body corporate lighting installed. This sounds like the perfect solution (with a few panels on the roof) to have a daylight power source without the fear of inflating the body corporate electricity bill. You are a bloody legend!
Contemplating of having this at home. Thank you for a very informative video.
Thank you for your feedback and kind words.
Great video, The print in the booklet was so small that it is hard to read. You saved me a lot of frustration'
Bought 1 one year ago, now i have 3, each for one phase. Using it with solar to charge battery and this inverters connected to the 14s Li-ion battery. They work really nice. I recently added wind turbine aswell ;)
Thanks for sharing. I'm interested in a wind turbine setup myself. Not that we have super high winds here but from the general perspective and how it would integrate.
I used three phase bridge rectifier connected directly to the inverters(since they already have the capacitors to do the smoothing) and for brake i used arduino to check for high voltage and set pwm signal to do the braking on ssr relay connected to the heat brake depended on the high voltage. But so i don't discharge battery i used one diode in bettwen so it actuall brake the turbine and not drain battery. I coul use the controller that came with the turbine but i read that they fail on high winds (which i do have sometimes).
@@OffGridGarageAustralia the newer turbine don't need much wind like a 9blade one. It might not be windy on the ground but you put your wind meter or turbine up about 40ft and it's alot stronger then ground level.
A turbine works better when the solar weather is poor e.g. wet windy stormy teribble for solar but great for wind, wind blows 24/7 so the decrease in performance can be made up with increased run time.
@@DanielSan-ch7dr We have like 130ft trees around us so I can see how the wind situation is, direction and strength. I might try it at some stage, but it's a lot of effort to put up the mast, make it all secure... we will see...
great video, you did exactly what I was thinking of doing!!
Absolutely beautiful, bought one off your link so hopefully you got a beer out of it. Just connected 48V Lead Acid battery bank and the sensor (incredible bit of tech) and plugged it in and Wow free elec running round the house. Can you do a 2 inverter to 1 live line Vid as I need more power man. Just waiting for the sun to shine in the UK (may take a while :)
Nice Video - kind regards from Germany and Spain!
Your reaction at 4:30 made me laugh so hard everyone in the office turned around! Lucky I’m watching this in my lunch break…
He always seems so happy when speaking English, brightens my day up, awesome guy there should be more like him in the world
I've been using the 2kw GTIL for a year in the US. No problems. Fantastic device. I've taken to calling it my little buddy as it works away pushing watts into the house. One of these days I will make a video on the specifics.
You've got the YT channel, so go for it.
How do you prevent any potential back feeding during a power outage situation? I'm interested in doing something like this, but only if I can safely prevent it from going back on the grid.
I think I've answered my own question - if the grid goes down, so does this system.
Would love to see more details on how you rigged this.
@@OhDannyBoy2k yep, it's a grid tied inverter it needs the heartbeat of the grid. For safety reasons they all have to turn off immediately if the grid goes down. It's called anti-islanding.
very nice presentation , it made clear a lot of functions and installation details .
thank you .
Thanks.
Good and clear explanation of the feature settings for SUN Grid Tie invertor. I have two 1KW model over here in the US and has watched many videos on UA-cam but no one has gone through each setting as clearly as you had. Will do you a video on hooking up WiFi-Port Plug Wifi Modem for SUN-1000GTIL2 SUN-2000GTIL2?
Great video Andy! It’s a genius device. Simple and seamless. I have not tried it myself (I’m completely off grid), but after seeing this video I started to think it might have a place in an off grid system after all….
My main problem with consumption is the “buffer” of maximum power I need to have. The bigger the inverter, the bigger the idle consumption. So I have a small inverter that I use for the easy loads, and a big, all-in-one that I only turn on when I’m to use microwave, washing machine, air compressor, etc. The difference in idle consumption between the two is around 25w, which doesn’t sound much, but since it’s 24/7, it makes a huge difference.
The idle consumption of the device you test seems to be extremely low.
So my idea here is that I might go even lower, just using a 300w-something inverter as a waveformer and use this device as a “dynamic buffer”. Do you think it would work?
Have you figured it out? Id like to be able to disconnect from the grid and "trick" an inverter like this somehow (preferably not with a generator) in a shtf situation. It seems you'd want a pure sine wave inverter to feed into it for it to get a clean signal.
@@lancealderman2755 No, I was hoping that Andy would test it since he had the device, but seems he sent it back for some reason 🤷🏼♂️
If there is such a thing as a small inverter that you can set an output limit on and keep it from overloading then you would be golden but Im not sure if there is such an inverter. Would suck to overload your small inverter and the whole thing go down.
It seems like redundancy is the only way to accomplish some things with solar, at least in a grid tied situation. It's unfortunate at the moment...
@@lancealderman2755 If the sun2000 is quick enough providing power, that scenario should not surface. That is what I would have liked Andy to test….
Oh you want to feed the Sun 2000 with a battery bank?
Thanx ! Makes it better to understand with your video 😁👍🏻
Thank you from România. Best video.
great video andy. thank you from malaysia
The idea of this limiter used in this Grid tied inverter belongs to Rogel Naval a Filipino Engineer based in Manila. He had this made with masspower in China. It's called Grid Tied Inverter with Limiter or as we know it as GTIL. It's first version has an external limiter which is now phased out, what you see here is the version 2 that has an internal limiter. I had both versions and the version 2 with 22v-60v runs on 48v LiFePO4 batteries. Simple to use. Greetings from the Philippines 🇵🇭🇵🇭🇵🇭
Thanks a lot for sharing, Ian. That is great info!
very clear and precise. thank you
This is the best explanation of how these work on UA-cam. Thank You. I have a question: If using batteries (I assume for after sunset) with only a maximum of 1000 Watts of daytime solar, would the inverter be able to recharge the batteries if they ran all night supplying 1000 Watts to the house and still be able to provide power to the house during the day or would it need to be dedicated to just recharging batteries. I am a little confused on that part.
This inverter does not have a charger. It's not a hybrid inverter. It's grid tied with power support. So it will deliver the energy used by your load as long as possible until the set low voltage cut-off is reached. The grid will then deliver the energy again until the voltage in your battery rises and the SUN takes over again.
@@OffGridGarageAustralia I am doing a bad job explaining so thank you for continuing to answer my dumb questions. If I want to take advantage of my large battery bank (AGM) at night, do I connect my panels to an appropriate charge controller that is then connected to my battery bank that is continuously connected my inverter? I would set the inverter to cut off at 37.30 or so VDC to be conservative to my batteries and then the inverter would restart in the morning when solar made voltage climb to set level?? I think you see how I want to use the inverter. Am I doing it correctly if as described above?
@@benkanobe7500 no dumb questions here at all. How you describe it here, that's exactly as it should be, The inverter should turn off at a set voltage to prevent the battery from being discharged further while the BMS does not trigger in this case and still acts like a safety switch to protect the battery if something goes wrong. Perfect setup.
@@OffGridGarageAustralia I'm a bit confused. As this has a MPPT solar controller, if you have a battery bank that you want to use with this, you would not be able to use the MPPT solar controller from this inverter?? Would the set up be - Solar Panels to Solar Controller to Battery Bank then from Battery bank back to Inverter ?
Absolutely excellent!
Thank you Andy (you did not only survive the dangerous package, but also did an excellent job of explaining how to survive a grid tie system with contracts)
From a technical solution, yes. There is more to it though.
I just wanted to see if it actually would work with these inverters.
This video provides product information with value to those of us who don’t feel the need to step out of the shower to pee. I thoroughly enjoyed your demonstration. If I had a home I’d definitely purchase one of those inverters to offset my power costs. Thanks Andy!
Glad you are using the Ecoworthy/SUN/GTIL inverters. No need for wire extensions. It is just 2 wires for the current sensor that run 0 to 5V. Just cut and add wire as needed. You can also adjust the sensitivity of the current sensor, I added a 2k trimpot that makes the inverter think I am using less watts than I really am. I don't think the inverter responds fast enough when a load is stopped so it backfeeds a little without tweaking with the trimpot.
Ah, right, I was wondering about this. They say you can extend up to 20m only though.
Could you show a schematic or links for us non-technical people? This sounds like an excellent idea!
@@benkanobe7500What do you need a schematic for? It's 2 wires. Cut the wire and split in a longer length. The resistor isn't necessary but you just put it on one wire.
@@shawnd567 Hey thanks. I feel stupid now. Great job!
Thank you sir for this video.
Great video, thank you!
Thank you so much, super helpful
excellent video thank you!
Love your video very informative on how this all works.
I'm based in the UK and currently have 2 inverters a growatt String inverter and a growatt hybrid inverter without batteries at the moment which are connected to the grid.
Would like to know if this would work with what I currently have setup and to be used as a wind turbine rather than solar as I've seen this used with wind.
@Off-Grid Garage sorry for the question but I am still learning.
1) is it good practise to plug the AC into a plug socket? I don't want to wire it into my main board as I don't want to touch anything there because I will be moving soon and I want to take the system with me. Is there some way I could maybe wire it to it's own breaker and from there to a plug socket, or is this still dangerous?
2) if I'm running panels to a battery and battery to the inverter then I would have to buy a separate MPPT controller to put on the other side of the battery? There would be no way for it to control it? This is only for panels connected directly?
Thank you
Hi Andy, do you know if the limit sensor is bidirectional? As I have two systems and only want the battery one to produce power when the other one (non battery) stops feeding the grid.
Nice video, thanks. Having the same Inverter myself, nice product (: did u also test the Wifi plug ? I'm curious if it allows to check my battery or input voltage remotely-couldnt find anything about it..
Nice, complete & long explanation.
Love your videos, I'm purchasing two of these. I wonder if this is the same as the marsrock and the Y&H inverters.
The black wire is the active one ? 😂 great information definitely would me on getting 1 or 2
Still waiting to set mine up, just need to get some batteries to setup a 48v pack.
Got 1kw of solar and 48v victron controller, my home base load is about 200w, got a few servers running.
So it should work well without having to run the current sensor.
Great informative video,thank you.
I don’t get the constant nitpicking by the know all keyboard warriors?
You are here to inform so the so called adults can make a judgement for THEMSELVES as to whether they should buy the product or not.
It really is that simple guys.
Fyi i have just installed a 3.2kw solar array with 2 SOK server rack batteries and i have just bought a 1.4kw micro inverter to feed directly into my ring main grid.
After watching this video i realise should of bought one these grid tie inverters instead 🤦🏻♂️ they seem more user friendly.
But hey we’re all still learning about this stuff.
Thanks again
still watching video and trying to like again 😄🤣 at least 3 times while watching but already liked so it wouldn't let me add another ❤
Question, what grid of power is the power supply that you use comes from, is it the same grid that you use to power ON the lightings that you are testing?
Hi Andy! big hello from italy! just an ask, what if i'll give the grid to another bigger inverter (with no limiter functions) from this with limiter (i mean to connect the AC output of the sun gtil2 to the AC input of another inverter)? the surplus energy of the main inverter go back to the gtil2 and what will happen? shoud be a trick for have limiter function to an inverter that don't have it?
Hi Ross and hello to Italy.
That is a bad idea unless the 2nd inverter is a Victron Multiplus II or Quattro which can handle AC input from another inverter.
Thanks Andy, nice to see how this works, it's simple but very usefull. Great video.
Tolles Video. LG aus Deutschland
Thank you for the video! Great piece of kit. Do you know if it is possible to change the power limit remotely? Via ethernet or sth? Thabks!
when you aren't using much power, does it make the power meter run backwards?
If i were to use this inverter along side a solar array already would it produce 0 watts if the existing inverter is feeding power back to the grid and the ct clamp reads negative numbers? A family member gets paid a generous generation tariff for their current system but doesnt have battery storage (old inverter) they are wanting to use a system like this to cover load at night but not feedback to the grid from this system during the day. Any feedback from users would be much appreciated
hi Andy, because of you i am building a 28kw 48v battery and i want to be able to sell back my power in the summer, and this inverter makes a lot off sense to make this happen. BUT will this inverter stop sending power in the grid when the grid go down? so like workers cut the cable. because no power can flow when the grid is down to protect the workers and the grid. do you know if this inverter does this?
thanks
Awesome video. I bought last year a SUN-1000 G2-H with two panel (I have the same version you had, 7.1). Last week I added a Pylontech US2000 battery and I configured the inverter with "battery or solar Power Mode" to 800W and configured a cut-off at 46V and reboot at 49V. The battery have a Dishcharge Volt at 44.5 ~ 53.5. In your opinion is the right configuration?
Hello and thank you for your great video .... but what happen if grid go down i wonder if there any way to keep invertet running even when grid is down
Great video. Would connecting a backup generator to the house when the power is off cause any problems for this inverter or would it just work as normal?
If the inverter fails or is turned off, the power will come form the grid automatically. With such a system, there is no need for a gen.
I have a issue with mine. When I go to the settings and select the internal limiter and make the "bat or solar limited power mode 650watts. I only get ten watts out of the inverter. When I turn the internal limiter off it goes to the higher watts. Why is the limiter only getting to ten watts? not sure what the issue is.
Nice video
Great video. What would happen if you don't connect the current sensor? Would it always produce the maximum power available from the panels? Would it know what the house is producing and export the rest? also What do you think about using this inverter in parallel with another on grid inverter of different brand? without any rs485 communication between them. For example if there was an on grid inverter at the house with 2-3kwp panels connected to the grid close to the power meter and then 20 m away at the garage we instal this GTIL inverter with 1kwp panels and connect it to the junction box of the garage but without running the current sensor 20m all the way near the power meter. Would they work together to produce whatever is needed to power the house and garage and export the rest or would they just trip each other out?
Thanks great video, have a question. I am in the UK where the Neutral is bonded to earth. If I add mcb and rcb between the inverter and my house mains, will the rcb work? Will there be any problems with grounding?
We have the same MEN link here in AU. Yes, RCD will work just fine, no problem at all. Consider using an MCBO (MCB and RCD combined).
How to open the assembly (fac) settings which pops up after the first start? settings got saved badly?
Interesting info thanks
if using a battery and solar with this inverter, wouldn't you need a separate MPPT between the battery and the solar array?
is this the new version of grid tie inverters that can accept battery inputs as well?
thank you a lot
You're welcome!
Hi! If I install the limiter sensor, I should also turn on the internal limiter in the menu to make it work properly? Or just leave the internal limiter off in the menu? My electricity provider does allow me to export electricity. I'm ordering one just like that in 1000 watts in either 22-60VDC or 45-90VDC depending on how many 100 watt panels and in what combination of series or parallel connection . Thank you for sharing and posting and these vids are plenty helpful to my project.
You only need the limiter if you want to limit the power been exported or prevent a feed-in altogether. Otherwise both can be turned off.
Is it legal to back feed by extension cables like you did?
I Had 2 of those already, work as described , easy to use and very versatile. The only problem is the excess heat when used above 1.5KW with the Battery voltage around 50v, mine have both burned out. If you plan to use more than 1.5kw in a sustain way, better to have a much higher battery voltage to reduce the DC input Amps .
This is a great suggestion. Limit the amps so that never producing over 1500w and for the 1kw limit the amps so the inverter won’t produce over 750w. I use a 60v nominal lithium battery to power both of my 2kw inverters. Voltage goes up to 64v. This is a good voltage to run the 45-90v inverters if using batteries. 48v battery is really to low to use with the 45-90v inverter. That low of voltage will make the inverter use more amps which isn’t good for it. For the 22-65v version a 48v battery is great
@@RJ-cc1fz I see you have got useful information here. I am concerned about the build quality in those inverters. In my opinion Chinese products are like, if they say 2000W for example you can assume it to be more like a 1000W device. So, you are saying if I was to build a system with the 2000W version for battery use, the battery pack voltage should be closer to the 90V DC range.
@@repairman2be250No it doesn't need to be that high. The max input amps is 35ah with 85% efficiency. So you need a 65v battery to get the full 2kw. So a 20s lifepo4 would be perfect here.
Thanks for your video and information! Do you have any recommendation about a similar inverter but for just 120v with the same function and limiter? I can't use 220V. Sorry.
It’s available on Amazon etc. just look for the 120V version.
Thanks for the overview.
There is similar model for 3-phase wind power generators. Do you think it can be used with solar instead (at the end of the day the 3-phase AC input is converted to DC inside the box).
I don't think it is convert to DC actually, these are grid tie inverters which don't charge a battery.
The inverter for wind power cannot be used for solar, no.
Great video. Do you know if the neutral and ground are internally bounded in the inverter? Thank you
No, they are not bonded in this inverter. That would be fatal. The MEN link is in your meter panel or distribution panel. It is only inside an inverter if it is an off-grid inverter.
Hello Andy your test of these type of inverters is really best! I understand now clearly all functions and wiring possibilities. The only thing I want to ask is how the inverter will behave during the sunny day and no load from house? Will it switch off automatically? Thank you for your reply, kind regards from the Czech Republic.
If it has the current transformer on and is limiting export it will go to zero generation if no use in the house. If it is not limiting export it will just generate as much as it can and whatever is not used in the house will go onto the grid just like a normal grid tie inverter.
Hi, glad I found your channel great info this is helping us with our off-grid setup I would like to ask if there might be a way you could send me a copy of both of the instruction manuals so I could study the wiring setup. to learn and see if we want this kind of inverter thanks.
another great video, have you considered using the WiFi with one of these I think they have a little 9 pin port for a dongle
Gday Andy. Choose between the gti2 or your deye microinverter for ease of use and longevity? Great videos by the way
Thanks for your feedback.
The GTI2 and the micro inverter are two different things. The GTI has the major advantage of having this export limiter, So depends on your situation and system design which one to choose.
cool video, after 2 years this unit stopped working, we have check the DC fuses, , all good, AC legs are both good. in put but the unit died, do we need to replace all teh mosfets?
Dear friend.Thank you for the scientific approach and explanation for this 2 Kw On grid inverter with limiter.Because in my country right now we have a small heat wave with inside temperatures 32oC. I wonder how can i cool up my 3 x 2KW inverters. A. Should i place a timer so from 11 mid day up to 14.00 to have a break and actually cut the input power of the inverter???do i need to cut only the input power or do i need also to cut with a rele the solar voltage that feeds the inverter???? B.Shoula i place a 7000 btu aircon??? from a wheelhouse that i have???Whats your opinion please.Thank you Very much.
Hello Andy, I am using one of them since December 2020 with that my battery pack 2k and I am really happy with him. Only a little noise when pulling 2k. I really enjoy your video about it cause it dissipate on me several doubts and concerns.
Many thanks for your educational videos, it appears you read my mind.
I would limit it to 1500w max
it is possible to connect a storage battery to this inverter adding a charge regulator?
great man
Thumbs up and subscribed!
Some reviews on Amazon about this backfeeding even with the limiters in place. Most utilities now days that have a smart meter will be alerted to this backfeeding. One review he says it was back feeding during a power outage a utility worker noticed power still on the grid after they cut the power going to the feed lines. Here in the US when you grid tie you required to have insurance in case of injury from back feeding to the grid while they are repairing it. Not sure how often that happens. I would imagine it is very rare.
Thanks for sharing Andy...Just the thing I've been looking for.
hi there, I have 2kw 45-90v Wind grid always show voltage to low ,do you know what dam setting I should do? many thanks
We have the 2000 watt version however it stopped working do they have an internal fuse it says lifetime warranty what's the page on Amazon disappeared thank you in advance
Hay Andy,
I have some information for you...
I have two inverters SUN2000gtil in last two years. If You develop your project about this inverter.. you will doing big mistake. I will explain why..
1. This inverter is declared 2000 W but is not... Today this inverter product only 1200 W depending on environment temperature. I must set limitation of production to 1300 W.
If is setting for limitation of production 1800 W ,then inverter is overheated and automatically limit power. On the end go to turn off.
2. One inverter was burned on and not have any option for repair it. I was buy second and on this inverter burned two small fet transistors for controlling fans. In this situation I was repair it.
3. This inverter have price 300 to 400 EUR (depending on the action). Two inverters in total 2500 W cost about 600 to 800 EUR-a. I think.. that is to much.
4. Inverter have very poor interface for monitoring. Addition problem with interface is.. when doin connection and read data, inverter stop working to one to two seconds. Real data is not real... this data is average in 5 minutes.
5. Warranty basically not exist..
6. If you use battery, must buy two addition MPPT. Ok.. you have chargers but this price must be included in total price.
I tings... more better option is buy inverter with all in one... Inverter with two mppt-a, Warranty 5-10 years and good interface to managing and monitoring.
For example: Groowatt SPH series or GoodWee residential inverters.
Both inverters have option for zero export which is controlled with smart meter or CT clamp. Inverters have connection to battery BMS an can configure point work for battery.
SUN2000Gtil is good budget inverter for starting with solar experiences, but is not good for your project.
I have plan to replace this inverters with Growatt SPH 3600 for which price is about 1350 EUR.
With regards.
P.S. Sorry for my English ..
Noe need to be sorry for your English at all. I agree with you not on the basis that I have actual facts, but on the basis Chinese product specs are in my opinion just half the values they advertise. So, a 2000W device is only good for about a 1000W. Forget about warranty, it might cost you more to ship back to China.
Andy,how quick is responce in power changing? Let say my load is 200w and I turn on onother load of 400w.(limiter mode) Thanks
From memory, it can take 1-2 seconds to ramp up and down...
The have a power limit . I would like the inverter to regulate the input dc voltage not the power . With this mode you could set up maximum and minimum dc voltage and the inverter would regulate the dc input to keep the voltage inside the user defined limits . Can this be done ?
can i connect 48v 800w wind turbine via charge controller or rectifier?
i was looking for a situation where i have off-grid a small inverter with a battery that can suck extra energy from a generator when i turn on an electric oven... is that even possible?
edit: i don't want to overhaul and upscale the whole pv/battery/inverter/cabling system because it is sufficient. we only would like to add an electric oven somehow....
Hi, which part of Australia are you in mate
Could you please tell me if this would work with a 600 w windmill and a 100w solar panel.?
Edit not how well or what to expect ... Just would this work