your only option here is to opt for a automatic trip over inverter system with battery back up or a really powerfull UPS system . there are lowcost options available with these , but this is unfortunatly a case of lower cost , lower performance . youll also need to find out what your CPAP needs...
Eskom is not the only part of the problem , we are stuck with a government that is ill equipt to govern their own people . I see it this way , they cant get the low income majority to cough up fees for services , and so , turn on those who can , and now that those same benefactors are finding...
you fail to deliver the service that you specialise in , and now that you see your stranglehold on the general public is slowly slipping away , you want to panic and impose tariffs on the very same ppl who trusted you to deliver that service , all the while justifying your actions as fair ...