Growatt 5000ES EV Charging Test with No Battery - Will it charge with only solar panels?
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- čas přidán 7. 09. 2024
- Testing if the growatt 5000es will charge an electric vehicle with solar only and no battery.
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Great video, Rodney! Love seeing testing like this. 👍🏻 Keep up the great work.
Thanks, will do!
If you intend to charge an EV with a standalone (off grid) or emergency backup power solar system. It's important to consider the technology that's used in the inverter. High frequency, transformerless inverters provide a much lower surge capacity and a shorter life expectancy than heavy duty, low frequency, transformer-based inverters. Additionally. high frequency, transformerless inverters do not provide any galvanic isolation between its DC boost stage circuitry and its AC output which can allow high amperage DC current to pass through to your EV's onboard charger and damage it. You may be able to use a high frequency inverter to charge an EV short term, but it would just a matter of time before the MOSFETs or IGBTs in this inverter fail and you can kiss your EV's onboard charger goodbye.
A much better and safer choice if you want to charge your EV with solar is to use an inverter or power station that uses low frequency, transformer-based technology in its design. Low frequency inverters can handle high surge loads for at least 3x their continuous rated capacity and they can do this repeatedly, without sustaining damages to their MOSFET transistors, for minutes, rather than the milliseconds that a high frequency inverter offers. And because low frequency inverters use a transformer, they provide galvanic isolation which protects your EV's charger. That's why the big-name brand inverter manufacturers like Schneider Electric, Outback Power, Sigineer Power, Magnum Energy and Victron Energy and others, all use a low frequency topology in their design.
👍
If you put a battery to get the pick it will work for sure m8.
Indeed! 👍
wow... love this setup! i'm impressed with drivable backyard... lol
Don't you have to have the pannel s first go threw a control box tooregulateb the pannels then it goes too your batteries bak then it goes too the inverter which u hook up to your car pannels r putting out enough power too charge the batteries need too meet t h e power need to charge the car battery bank is need too charge full sun will be able to support bank while charging
Thanks
Just doing testing to show this inverter trying to start a large load without a battery. A permanent setup will of course have a battery or several
Emporia ev charger has option to set your max amp limit. Can go as low as 12 amp, as high as 50. Wonder if setting to a low value would help
Maybe if it starts out slowly. I think the surge even at 12 amps might be too high without a battery. Might be a good test to try out if I get the chance.
I was thinking the same thing. A significantly larger array, a battery or much lower starting charge rate might be necessary. It should be possible to go straight into the car from the panels. IDK what your car and charger support, but some EVs support DC fast charging. Of course there are several components that all need to support that for it to work.
Yeah just doing some testing to see what works since some people thought if would run without a battery on the inverter. It’s fun to test to find out what works
@@rodneyhunt This is what I have done. I have a 3.6kw array, feeding an EG4 6000ex, which is a low frequency, so that likely helps me, but I have our Ford Charge station Pro set down to 12 amps. Worked like a charm once I rooted out a gnd/neutral issue with the inverter.
If the Tesla is basically a big giant battery on wheels, why invert to AC power only to have the Tesla invert back to DC power to charge the batteries?
Thats the equipment I have. I am sure with enough money someone could build a dc charger. But the cost would probably be prohibitive for most. Would be cool to try if you could do it on a budget
@@rodneyhunt I didn't mean to imply anything. Just seems like Tesla's should come with a 48vdc plug or MC4 connectors.
I have a nissan leaf and that would be nice
need to see same setup with couple battery!!!
Will be doing a full setup at some point in the future. Thanks
@@rodneyhunt cool cool!
What's the point of this setup? A single cloud would shut the system down. Try the same test with a small 48v battery big enough to handle start up loads and the occasional clouds.
Just testing to show if it works. I had another video with a battery and received comments that it would work on solar only. So just testing to see what this inverter can do for fun I guess.
@@rodneyhunt Did you ever repeat this same test with a single battery and solar panels?
I did a similar test a year ago. Failed test
Yeah if the charge starter out slow and ramped up I think it would work. Can’t handle the surge without a battery it seems
Nissan Leaf
The comments talk about 32 amps, 50 amps so it sounds like you are using a 240 volt EVSE. Does the Growatt 5000ES put out 240 volts or just 120 volts?
240 volts.
Did you try plugging in the car first and then starting the inverter?
Yes. Didn’t record it though. Still didn’t work for me
I would put money that if a 240v capacitor was in line with the plug that it would work.
Probably. Wish I had one to test.
Surge arrester will do the trick.
Thanks
Bonjour londulateur Growatt 5000 es combien supporte il en panneaux solaires montages série parallèle merci
6000 watts solar input and 450 volts dc maximum
@@rodneyhunt bonsoir d’accord merci votre retour donc j ai 12 panneaux 405wc est 37 voc je peux faire 2 string de 6 panneaux sur cette onduleur ?
@@christopheclique134 That should be fine. I have 14 panels(2 strings) 7 in series then parallel the two strings into one on the growatts.
@@rodneyhunt bonsoir d’accord dit reçois le reste du matériel je vais tester merci
@@christopheclique134 glad to help
Schneider conext would charge it... not enough transformer in that one.
This inverter does not have a transformer. Just an extra growatt I have to do testing with. Just a fun experiment I guess. Schneider makes some good stuff from what I have heard though
@@rodneyhunt Frankly I didn;t know if it did or did not just hear that a lot when the all in one stuff don;t power up things
I figured that just to let you know. Sometimes my comments sound different than intended. Was just meant as informational purposes and not anything else. So you running schneider equipment?
@@rodneyhunt I understand was not being snarky about the growatt either we design systems sell products install and all of that. On the hardcore offgrid install we use Schneider or something we a heavy transformer in it...I have a customer that has 4 schneiders ran off of 8 Tesla batteries and he uses his system to charge a Tesla car...Dude told me the thing would run 2 weeks with the PV turned off when he did a test. I would have to get into the pictures to make sure it was 8 but its pretty crazy. Signature has some all in ones that have a transformer in it that I have heard run better than some of the all in ones in my initial rumblings of feedback. I guess I do get a little pissy with the 4-6 grand $ inverters being sold as transformerless best thing since sliced bread that will not run worth crap but are marketed to be superior bla bla bla...not saying any names 😁😁😁😁😁 PS love seeing you guys wire that stuff up and show what it does...I get to know what will and will not without doing it.
That sounds awesome. I will be getting some new inverters to test at some point. My growatts for my house run everything so I like them for the cost. But when I started with growatt SS did not have all the options they have now. I thought my comment may have sounded snarky not yours lol.