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No brand/5500W inverter disaster porn

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noneyabussiness:
reading Oztules thread, the pj ones were fine... however Warpspeed has improved on em dramatically by other peoples experience...

Pete:
Thanks Noneya, will read up on Warps inductors
Pete

solarnewbee:
Recently installed A Sunyima labeled 8010 based unit with lcd that allows settings from a menu if you get there fast enough before the screen whites out. 2 trim pots on the board without a clue what they’re for. Definitely not for voltage out. I connected this to my old 15kW 30v transformer and got 201v. I was able to raise that to 227v to match the grid thru on screen menu so no voltage surge or drop when switching ATS.

This same transformer on the PJ boards was a lot louder. This thing is really quiet. Seller was useless but did gave a hookup diagram in the ad.

You’ll notice on the board right side there are 3 connectors, one has a plug with 2 wires and they are tied to voltage output from transformer. Without that feedback it goes into error. Next connector up has .47vdc maybe 4.47vdc can’t remember at the moment . Hoping it’s a standby power connector. Further up is a 12vdc connector and assuming it’s for a cooling fan.

And a pic of a an SSR ATS that works! My PJ didn’t like and blew up but probably was my bad coding. This has been re-wired right to left with the theory that zero cross may block the triacs from being forced open?

solarnewbee:
It occurred to me suddenly to check the hertz rate,(slapping forehead rapidly) and of course it’s 50hz not 60 and I’ve no idea how to change that. What’s going to fry in the house if anything. Some things just adapt others just doesn’t matter but I’m not well versed in hertz. My Sony tv is versatile in that sense but my fridge is 120vac 60hz on a step down xfmr. The pots have no effect. Any hints? I have read this thread but must have missed it or need to read a different thread.

If I hadn’t mentioned before, I left the high voltage AC board in place to allow it to filter and make use of the lcd’s on the front panel. I took a 12vdc wall adapter and attached to the ribbons cable to power the lcd’s and voila! All the info I need according to PJ algorithms.

solarnewbee:
So I found the answer thru Pete and Aliexpress. It’s jp1-60hz jp5-50hz

Thanks Pete!

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