| 摘要 |
The invention relates to a method and circuit for power measurement and regulation, for inductor circuits with heavy alternating current and at high frequency. The circuit includes three successive signal processing stages, namely, in the first place, a stage for measuring and matching signals of strength i, of induced voltage u, or of DC voltage u by appropriate sensors, a stage of calculation, by suitable processing modules, of the values of the preceding signals, of voltages and of strength, so as successively to determine the values of the apparent S and active P power of the circuit, then of the reactive power Q, determined as 2ROOT S<2> - P<2>, and finally the inductive efficiency factor r of the inductive circuit determined as Q/P, and a stage of command-control-regulation of the power delivered, operating in a range of allowable inductive efficiency r. <IMAGE>
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