Design of control system of high voltage repetition frequency charging power supply
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摘要: 针对激光器电源的应用环境，设计了基于DSP的电源控制系统，使电源具备输出电压0~30 kV可调，重复频率1~100 Hz可调，并提供了远程计算机控制和本地液晶键盘控制两种控制方式。设计了过压、过流、过热、超时等多重保护电路和电源的外触发控制接口。对激光器电源控制系统进行相应的电磁兼容设计，并使用光纤控制及反馈系统，有效地增强了电源控制系统的抗干扰性能。将该电源用于激光器的发光试验，通过调节激光器电源的各种控制参数，可以使激光器的出光强度、出光功率、出光时间等得到调节，从而为各种研究工作提供便利。实验结果表明在进行激光器发光实验时，该电源能够输出幅值稳定、频率符合要求的重频脉冲高压，最高输出电压可达到30 kV，充放电频率可达到100 Hz。Abstract: A control system based on DSP is designed for the application of the power supply. By regulating the control system, the output voltage can be regulated from 0 to 30 kV, and the repetition frequency can be regulated from 1 to 100 Hz. In order to operate more easily, two control modes are designed, one is the remote computer control and the other is the local control by LCD and keyboard. The multiple protective circuits are designed to process the faults which are over voltage, over current, over time or over temperature. In order to extend the application of this power supply, an external trigger control interface is provided for the synchronization control of the power supply and other equipments of the laser. The electromagnetic compatibility design of the power supply is adopted in the control system. Coupled with a fiber optical control and feed back communication system, the anti-interference performance of the control system is much better.
期刊类型引用(6)
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