FPGA Controller Design for High-Frequency LLC Resonant Converters

被引:5
作者
Park, Hwa-Pyeong [1 ]
Kang, Yesung [2 ]
Kang, Seokhyeong [2 ]
Jung, Jee-Hoon [3 ]
机构
[1] Korea Inst Energy Res KIER, 152 Gajeong Ro, Daejeon, South Korea
[2] Pohang Univ Sci & Technol POSTECH, 77 Cheongam Ro, Pohang, Gyeongbuk, South Korea
[3] Ulsan Natl Inst Sci & Technol UNIST, Sch Elect & Comp Engn, 50 UNIST Gil, Ulsan 44919, South Korea
基金
新加坡国家研究基金会;
关键词
LLC resonant converter; Digital Signal Processor (DSP); field programmable gate array (FPGA); dynamic performance; DC-DC CONVERTERS; DIGITAL-CONTROL; LOSS REDUCTION; POWER; PWM;
D O I
10.1541/ieejjia.9.523
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Conventional digital controllers have limited switching-frequency resolution and computational speed. This results in a large output voltage ripple and poor dynamic performance with a low control bandwidth in high switching frequency resonant converters using an inductor-inductor-capacitor (LLC)-type resonant tank. This paper proposed a controller design based on a field programmable gate array (FPGA) for an LLC resonant converter to improve the switching-frequency resolution and dynamic performance. The improved performance is analyzed using theoretical methods compared with that of a general-purpose digital signal processor (DSP). The performance improvement is verified through circuit simulations and signal-level tests using a hardware-in-the-loop (HIL) test system.
引用
收藏
页码:523 / 529
页数:7
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