设计了一台用于兰州重离子加速器HIRFL-CSR的六极磁铁数字电源,该电源以H桥变换器为主拓扑结构电路,采用Cyclone II FPGA作为核心硬件,以Verilog语言实现了全数字化的PI调节算法。电源输出电流达到了340 A,直流电流稳定度达到了3.14×10-5,达到了1×10-4的设计指标。
One digital power supply was designed for the sextupole magnets of Cooler-Storage-Ring of the Heavy Ion Research Facility in Lanzhou（HIRFL-CSR）.It adopts H-Bridge convertor as the main topology circuit and Cyclone II FPGA as the main hardware,and has realized fully digitized PI regulation arithmetic by Verilog language.The peak current of the power supply reaches 340 A and the stability approaches 3.14×10-5.Finally the power supply has achieved the designed specification of 1×10-4.
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