DIY Growatt spf5000es 5000 Kwh solar install Dryer and Mid Point Transformer unbalanced issues

[@davidkettell5726]

I had the same problem . i shut down all inputs and booted them all back up and then it worked fine. I think the initial demand of the dryer shut down the inverter, or the battery .

[@FreeAmericanSpirit]

My dryer pulls to may Amps it's not a "problem" but rather the limitation of the inverter. I new going in I would need two inverters if I wanted to run everything off solar. I opted to start off with a smaller set up due to my pocket book, knowing I could expand later. My goal is to basically knock my elec bill down by about 3/4... Seeing that I can pretty much run everything on this system except the dryer I should hit that goal. The only thing not being powered by solar is the dryer (a couple times a week) and some grid power at night, because I don't want to delete batteries. When I get my 3rd or 4th battery I will then run the solar (batteries) at night too by changing the settings back to SBU. Instead of SUB like it is now. Hey thanks for the comment!

[@mica7966]

I'm using same set as you I think most dryers draw 5200w or so witch is max what im doing now is run dryer by its self or like you tern inverter off and use utility I have picked up 2ed 5000es don't no if you have natural gas you may go with gas dryer wood be cheaper than inverter and more panels as far as unbalanced 120v for trailer you might split 120v in to 2 separat legs for better balance just say good luck nice vid 👍

[@FreeAmericanSpirit]

For now I'll just run the dryer on utility everything else is on solar. The second transformer should be here by this Monday so that should take care of the imbalances... Thanks for the good comments!

[@DiggingBuddy]

Good luck, I have no idea

[@FreeAmericanSpirit]

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[@sNEAKYnIGHTmUPPET]

you could try disconnecting the heating from 240 volts, and run it at 120v. you will get less than half the heat, but it will draw WAY less power also. it will need to run twice as long, but you wouldn't need a second inverter. if you check and make sure that you put the heater leg opposite the rv, then that will reduce the work that your transformer has to do and you might not even need the second transformer. Just in case you didn't know, the transformer ONLY carries the IMBALANCE, not the entire load. this is something that not everyone understands about using a autotransformer to provide a neutral. the 120 volt mod for the dryer is pretty simple, it is done on the back normally. I can already hear people saying that it will draw the double the amps on 120v, but this is simply not how resistors work. Let me know if you want to try this and need help. I hope this helps.

[@FreeAmericanSpirit]

I will move the dryer breaker over to the other leg in the panel, didn't think of that. But I think it will still be to much for the inverter. That may be a very good suggestion.... I thought about going to 110 on the dryer but it really is no big deal to just flip the inverter off. If push came to shove I'm sure the wife would love to hang the wash out side ;)

[@FreeAmericanSpirit]

UPDATE. THIS DRYER SET UP DOES NOT WORK. DO NOT TRY AT HOME... Ok so here's what happened turned the air off in the trailer just to make sure that I would not trip the 50 amp breaker while running the dryer. Did a load of wash, when that was done I put it in the dryer and started a second load of wash... Every thing went as planned but the transformer box was really hot. So when the second load of laundry was done I put it in the dryer... While that was drying I took the cover off the transformer. It was pulling the max Amps through line one (1) and line two (2) so the dryer still uses the trans former to get one twenty volts(120) from each leg? I confirmed this by shutting off the trans former and the dryer went off.... So I put the transformer back on and I thought why has the transformer not shut off with an overload protection? It was really hot now and was buzzing louder... No longer than I got that thought the thirty (30) amp breaker in the box tripped.... I since the transformer is needed for the dryer I think the 50 amp pass through is going through as a single phase like the inverter puts out? And really not a true bypass with a line one (1) and line two (2)? Or maybe now that I have utility hooked up, I should s Remove the bonding screw from my breaker box in the shed? I will try several ways and let ya all know when the other transformer gets here...