| 摘要 |
<p>An arrangement for converting an AC supply to a DC supply (as hereinbefore defined) comprising an inverter circuit and a boost power correction stage wherein said inverter circuit comprises switchable components and means utilising a pulsed wavefrorm indicative of power factor correction for causing some at least of said components repeatedly to adopt a condition permitting said boost power factor correction stage to draw current from said AC supply.</p> |
