A easier and low-cost power control method is proposed in this paper, based on the regulation of the average input current of the inverter.
通过控制逆变器输入平均电流调节负载功率，简化了电路设计；通过单片机发出高频加低频调制的半桥驱动信号，消除调光过程中的电弧不稳定现象。
The average inductance current can be calculated by input voltage and output voltage to use in PI regulator.
通过采样输入输出电压以获取电感的平均电流，从而代替了实际的采样电流，以进行PI调节。
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