primary control circuit

the paper discussed the das's hardware and software design, and some primary control circuit is tested by emulator.

课题最后完成了硬件电路设计和相关软件设计，并对电路的主要控制电路进行了仿真分析。

It Consists of bidirectional switch and zero current switching control technique to achieve on time rectification in the primary circuit. High power factor, high efficency and low THD have been obtained.

电路采用零电流转换方式进行控制，并采用双向开关实现了电路初级的同期整流，从而实现了高功率因子、高效率和低高次谐波的功率因子改善电路。

The designed control circuit consists of two components: isolating and sampling circuit used for sampling output voltage and isolating primary and secondary of the converter; type 2 error amplifier, designing compensated circuit for error amplifier to stabilize feedback circuit system.

设计的控制电路由两部分组成：隔离、取样电路，用来采样输出电压并实现变换器初、次级电气隔离；2型误差放大器，设计补偿电路使反馈电路系统稳定。

The primary circuit has the form of double switch forward of feedforward control, the second circuit used the magnetic amplifier as the post regulator.

该分布式电源系统采用高频母线形式，原边电路采用双管正激电路，电压前馈控制，后级利用磁放大器精确控制。