The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.

从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。

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Both theoretical analysis and experimental results show that the AC DC converter has high efficiency over a wide range of input voltage.

理论分析和实验结果表明，该转换器可以在较宽的输入电压范围内获得较高的转换效率。

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In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.

该系统以80c 196 MC为控制核心，采用IPM智能功率模块为功率元件，组成了交直交电压型逆变器主回路。

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Running appliances off DC power can cut energy consumption dramatically by reducing the number of AC-DC conversions.

FORBES: Was Bell Labs Overrated?

Just as AC beat DC, the audio cassette beat 8-track and VHS beat Betamax, Qwerty won the format war.

BBC: Why do we all use Qwerty keyboards?

The life cycle of the LED has also increased significantly, going beyond the life cycle of the (AC to DC) converter.

WSJ: Seoul Semiconductor's LED-Lighted Path