I didn't say the power from the inverter "slams on and off." I said all conventional microwave ovens work that way. They cycle between full power - and no power -on and off like slow machine gun. Turning the power level down or up simple changes the frequency of the switching.
Inverter and their wave forms are just about all "stepped" in some way. The worst ones are usually called "modifed wave" inverters. The more expensive ones called "true sine wave" still have angled steps instead of curves on the waves - but work much beter on sensitive electronics.
In the early days of inverters some were really bad and called "square wave.". So, in a nut-shell from worst to best, and cheapest to most expensive - it's square wave, modified wave, and "true sine wave" when it comes to marketing terms. The only ones that are near identical to grid power are the very expensive inverters made to make grid-tie household power - like the two that run my house and barn. I have twin 6000 watt inverters and each one cost over $2000.
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Today's Featured Article - The Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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