摘要:
从一套用于回旋管测试台的基于脉冲阶梯调制(PSM)技术的-60 kV DC/50 A高压电源入手,提出了一套基于单片机和现场可编程门阵列(FPGA)的控制系统设计,不仅满足了电源系统各种运行尤其是1 kHz调制的要求以及各种监控的要求,还满足了回旋管测试台的各种逻辑控制与快速联锁保护的要求.最终测试结果表明:该套电源及控制系统逻辑结构清晰,操作简洁,运行可靠,能够满足测试台系统对高压电源各项逻辑控制、精确定时控制、快速保护等控制要求.
Abstract:
Electron Cyclotron Resonance Heating (ECRH) system is one of the most important Tokamak auxiliary heating methods.However, with the development of physical experiments progress, there are growing stringent requirements for ECRH system and high-voltage power supply system, at the same time, more difficulty of the control and protection of high-voltage power supply.In this paper, according to the requirements of-60 kV/50 A PSM high-voltage power supply, a control system based on MCU and FPGA is developed, which not only satisfies all working modes of the power supply system, especially the requirements of 1 kHz modulation, but also meets the requirements of logic control and fast protection for gyrotron test bench.The experimental results show good logic structure and reliable operation of the power supply and control system and it can fit the requirements of logic control, timing and fast protection for gyrotron test bench.
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