【摘要】 介绍了一种基于脉冲频率调制(Pulse Frequency Modulation,简称PFM)技术的数控高压脉冲电源。它利用PFM调制电路对输出电压进行调整和稳压,由单片机控制输出电压的脉宽,具有功耗低,体积小,重量轻,绝缘性能好等特点,而且输出高压在1.5～2.5kV连续可调。对具有高可靠性的过流保护电路进行了设计研究,在保证安全性的同时,满足了中子管性能检测系统中对离子源的供电需求。更多还原

【Abstract】 A programmable high voltage pulse power supply based on Pulse Frequency Modulation(PFM) control strategy is proposed in this paper.The output voltage is adjusted by a PFM converter circuit,and the width of high voltage pulse is controlled by a micro-controller.The proposed pulse power supply has low consumption,small volume,light weight and good isolation characteris-tic,furthermore,the output high voltage is continually adjustable and stable between 1.5～2.5kV.With a reliable over curent protection,it works in safe condition and also meets the need of the power supply which is applied in ion source of neu-tron tube’s performance test system.更多还原