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 - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I�m handing him tools and he says, "give me that..." and I�ve already got it in his hand or "hand me that....."and I�ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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