Frequency problem
I have a grid tied 5Kw Sunsynk system. I believe there is a problem with frequency. A Tacx Flux trainer has blown 4 times after repair and replacement. Blows within a few minutes of connecting. National Luna fridge control box blown. Microwave clock gains time very rapidly.
I have been told this is due to frequency being higher than 50Hz. Can this be set? or is it a faulty inverter?
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Are you using the AUX port to couple a micro/string inverter in an off-grid setup?
In this case, when the battery is full, the Sunsynk will push the frequency seen on the load port to the value in the settings (default 52Hz) in order to cause the string inverter to shut down.
I've seen this cause my cooker and microwave clocks to run fast, but haven't had anything go 'pop'..