介绍了一种基于PWM控制芯片uc 3842的反激式开关电源的反馈控制回路改进设计。
A new feedback circuit, which is designed based on PWM controller UC3842 of flyback switching mode power supply is presented.
第三章详细介绍了软起动控制器的硬件设计，包括主电路、控制电路、驱动保护回路和辅助开关电源电路的分析和设计。
The third chapter mainly introduces the hardware design of soft starter, including the main circuit, control circuit, drive circuit, and protect circuit and auxiliary switched power design.
分析基准电压回路的电路设计，通过增大并联电容或供电电源的容量，解决了动态工作下的零漂问题。
Based on the analysis of benchmark voltage circuit design, the zero drift in dynamic condition is solved by increasing capacitance of the parallel capacitor or the power supply.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路，取消了限流电阻；
A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
论文中给出了抑制极电源的负反馈控制回路，设计了故障检测电路和开关柜的状态、控制信号流程图。
The paper presents the suppressor supply's feedback control circuits and also its fault detection circuit. As to the status and control signals, the control logic and interface board were designed.
论文中给出了抑制极电源的负反馈控制回路，设计了故障检测电路和开关柜的状态、控制信号流程图。
The paper presents the suppressor supply's feedback control circuits and also its fault detection circuit. As to the status and control signals, the control logic and interface board were designed.
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