The link speaks of conversion from AC to DC .. not the inversion of DC to AC....
Such was a common occurrence in the days of vacuum tubes (filled with ionized gasses - plasma). Just how do you think we converted DC to AC before the advent of solid state circuitry?????????
Why we used vacuum tubes filled with plasma.
I seriously doubt whether Justa has any understanding of the differences between AC and DC and what it takes to convert DC to AC based on his nonsense posts, anyway.
DC to AC conversion became simple with the advent of switching transistors. Before then, it was most certainly not simple and entire motor generator sets were usually called for.
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