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

来源：

IEEJ JOURNAL OF INDUSTRY APPLICATIONS | 2020年 / 9卷 / 05期

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

页码：523 / 529

页数：7

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