电源学报

应用于单相混合逆变器中双向LLC变换器的抖频控制方法研究

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陈景文 ¹ , 张横横中国电源学会学生会员 ¹ , 张琦中国电源学会会员 ²

电源学报 | 电力电子变换器建模与控制 2026,24(9): 53-64

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电源学报 |电力电子变换器建模与控制 2026 , 24 (9) : 53 -64

应用于单相混合逆变器中双向LLC变换器的抖频控制方法研究

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张琦（1982—　），男，中国电源学会会员，博士，副教授。研究方向：电力电子系统建模与控制。E-mail：zhangqi@xaut.edu.cn。

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陈景文¹, 张横横中国电源学会学生会员¹, 张琦中国电源学会会员²

作者信息

^1.陕西科技大学电气与控制工程学院，西安　710021

^2.西安理工大学电气工程学院，西安　710048

通讯作者:

张横横（2000—　），男，中国电源学会学生会员，通信作者，硕士研究生。研究方向：电力电子与电力传动。E-mail：220612079@sust.edu.cn。

作者简介:

陈景文（1978—　），男，博士，教授。研究方向：电力电子与电力传动，新能源发电与微电网技术。E-mail：chenjw@sust.edu.cn。

张琦（1982—　），男，中国电源学会会员，博士，副教授。研究方向：电力电子系统建模与控制。E-mail：zhangqi@xaut.edu.cn。

Research on the Frequency Jitter Control Method Applied to Bidirectional LLC Converter in Single-phase Hybrid Inverter

Jingwen CHEN¹, Hengheng ZHANG Student Member, CPSS¹, Qi ZHANG Member, CPSS²

Affiliations

^1.School of Electrical and Control Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China

^2.School of Electrical Engineering, Xi’an University of Technology, Xi’an 710048, China

出版时间: 2026-09-30 doi: 10.13234/j.issn.2095-2805.2026.9.53

文章导航

摘要

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抖频技术常用于抑制LLC变换器电磁兼容方面的问题。然而，传统抖频技术在适应频率变化时对负载特性的处理存在一定的局限性，导致LLC变换器的工作效率降低，特别是在单相混合逆变器中，固定频率扰动使上述问题更加显著。针对此情况，提出一种依据负载功率特征的抖频控制方法，旨在提高LLC变换器的工作效率，其关键在于实现“源阻抗”和“负载阻抗”的匹配。首先剖析了单相混合逆变器中的“源”“载”特性，深入探究了“源阻抗”和“负载阻抗”的特性；接着结合LLC变换器在不同频率下的阻抗特性，提出了基于负载功率特征的抖频控制方法；最后通过实验验证了该方法的有效性。实验结果表明，该方法有效提升了LLC变换器的工作效率。

关键词

单相混合逆变器 / 双向LLC变换器 / 阻抗匹配 / 抖频

Abstract

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Frequency jitter technology is commonly used to mitigate electromagnetic compatibility issues in LLC converters. However, the traditional frequency jitter technology has certain limitations in the processing of load characteristics when adapting to frequency changes, which leads to the reduction of the working efficiency of LLC converters, especially in single-phase hybrid inverters, where the fixed frequency disturbance makes the above problems more significant. In view of this situation, a frequency jitter control method based on the load power characteristics is proposed, which aims to improve the efficiency of LLC converters, and the key is to achieve the matching of “source impedance” and “load impedance”. First, the characteristics of “source” and “load” in single-phase hybrid inverter are analyzed, and the characteristics of “source impedance” and “load impedance” are deeply explored. Then, combining with the impedance characteristics of LLC converter at different frequencies, this frequency jitter control method based on load power characteristics is proposed. Finally, the effectiveness of the proposed method is verified by experiments. Experimental results show that the proposed method can effectively improve the working efficiency of LLC converter.

Key words

Single-phase hybrid inverter / bidirectional LLC converter / impedance matching / frequency jitter

引用本文

陈景文, 张横横中国电源学会学生会员, 张琦中国电源学会会员. 应用于单相混合逆变器中双向LLC变换器的抖频控制方法研究. 电源学报, 2026 , 24 (9) : 53 -64 . DOI: 10.13234/j.issn.2095-2805.2026.9.53

Jingwen CHEN, Hengheng ZHANG, Qi ZHANG. Research on the Frequency Jitter Control Method Applied to Bidirectional LLC Converter in Single-phase Hybrid Inverter[J]. Journal of Power Supply, 2026 , 24 (9) : 53 -64 . DOI: 10.13234/j.issn.2095-2805.2026.9.53

基金

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陕西省教育厅计划资助项目(22JC023)
西安市科技计划资助项目(2024JH-GXFW-0180)

参考文献

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参考文献引证文献

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2026年第24卷第9期

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文章信息

doi: 10.13234/j.issn.2095-2805.2026.9.53

接收时间：2024-12-05
首发时间：2026-10-29
出版时间：2026-09-30

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出版历史

收稿日期：2024-12-05
修回日期：2025-02-13
录用日期：2025-02-17

基金

Shaanxi Provincial Department of Education Planned Project(22JC023)

陕西省教育厅计划资助项目(22JC023)

Xi’an Science and Technology Plan Project(2024JH-GXFW-0180)

西安市科技计划资助项目(2024JH-GXFW-0180)

作者信息

^1.陕西科技大学电气与控制工程学院，西安　710021

^2.西安理工大学电气工程学院，西安　710048

通讯作者:

张横横（2000—　），男，中国电源学会学生会员，通信作者，硕士研究生。研究方向：电力电子与电力传动。E-mail：220612079@sust.edu.cn。

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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