That's really just a variant on the theme of using UPSs, which was discussed early in the thread. As was discussed, one issue is that, given that the load is a fridge, a pretty hefty/expensive inverter might be needed in order to be able to provide the high start-up current of its compressor - as I said, I've seen many people complaining that fridges won't work (not enough current available for compressor to start) from small generators.
Nearly all of my working life has been dominated by the concept that one should generally not draw conclusions from the absence of information - or, at least, should be incredibly careful if trying to do so. Hence, whilst it's tempting to be re-assured by the fact that no-one has raised any issues about what I have done, I hope that anyone who can think of any issues/problems (or errors!) that have so far escaped me would/will put up their hands and tell me!OK, here’s the present arrangement I have for MY application (not the OP’s) for switching a small load to an alternative phase (of a single 3-phase supply) in the event of failure of the usual phase: ........ I really am pretty comfortable with this arrangement, but I’m sure that some of you will have some comments, and quite possibly reservations, about it! Posting ‘what one has done’ is always dangerousI imagine that it's asking far too much to even hope that no-one will find any fault with it
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