2020 年 140 巻 7 号 p. 562-563
Induction heating is required to search for load resonant frequency to control the inverter output power. However, harmonic components of a square-wave voltage output from the inverter result in poor load resonant frequency. This paper proposes a search method for obtaining the optimum load resonant frequency. The results confirmed that the sampling range was reduced by 66% and the sampling number was increased 2.9 times than those obtained using the conventional method.
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