电源学报

Boost变换器全功率范围效率优化控制策略

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汪涛 , 申宏扬 , 廖卉莲 , 王群锋

电源学报 | 电力电子变换器建模与控制 2026,24(5): 49-58

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电源学报 |电力电子变换器建模与控制 2026 , 24 (5) : 49 -58

Boost变换器全功率范围效率优化控制策略

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汪涛, 申宏扬, 廖卉莲, 王群锋

作者信息

国网河南省电力公司直流分公司，郑州　450000

通讯作者:

汪涛（1982—　），男，通信作者，本科。研究方向：特高压交直流设备检修技术。E-mail：13839802607@139.com。

作者简介:

申宏扬（1996—　），男，本科。研究方向：换流阀设备运检技术。E-mail：925540416@qq.com。

廖卉莲（1982—　），女，本科。研究方向：特高压交直流设备运维及检修技术。E-mail：liaohuilian@ha.sgcc.com.cn。

王群锋（1986—　），男，本科。研究方向：特高压交直流设备检修技术。E-mail：15039812361@139.com。

Boost Converter Full Power Range Efficiency Optimization Control Strategy

Tao WANG, Hongyang SHEN, Huilian LIAO, Qunfeng WANG

Affiliations

State Grid Henan DC Company, Zhengzhou 450000, China

出版时间: 2026-05-30 doi: 10.13234/j.issn.2095-2805.2026.5.49

文章导航

摘要

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临界导通模式CRM（critical conduction mode）下Boost变换器开关频率受输入电压和负载的影响而大范围变化，导致其开关损耗增加、整体效率下降。针对以上问题，提出一种Boost变换器全功率范围效率优化控制策略。首先，在传统变幅控制策略基础上引入电感电流内环控制，推导了断续导通模式DCM（discontinuous conduction mode）和临界导通模式下电感电流峰值与输出功率之间的数学关系并据此精确控制电感电流峰值。其次，对不同负载时的变换器电感电流峰值选择最优的工作模式，降低电流应力，提升变换器效率。最后，搭建了1台300 W的实验样机对提出的控制策略进行实验验证。结果表明，相较于传统方法，提出的优化控制策略将电流应力至少降低了8.34%，峰值效率提高了2.15%。

关键词

Boost变换器 / 变频控制 / 变幅控制 / 峰值效率

Abstract

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Critical conduction mode (CRM), in which the switching frequency of Boost converter changes widely due to the input voltage and load, leading to an increase in switching loss and a decrease in overall efficiency. To solve the above problems, an optimal control strategy for the full power range efficiency of Boost converter is proposed. Firstly, the internal loop control of inductive current is introduced on the basis of the traditional variable amplitude control strategy, and the mathematical relationship between the peak of inductive current and the output power under discontinuous conduction mode (DCM) and critical conduction mode is derived, and the peak of inductive current is accurately controlled accordingly. Secondly, the optimal working mode is selected for the peak value of inductive current at different loads to reduce the current stress and improve the efficiency of the converter. Finally, a 300 W experimental prototype is built to verify the proposed control strategy. The results show that compared with the traditional method, the proposed optimal control strategy can reduce the current stress by at least 8.34% and increase the peak efficiency by 2.15%.

Key words

Boost converter / variable frequency control / variable amplitude control / peak efficiency

引用本文

汪涛, 申宏扬, 廖卉莲, 王群锋. Boost变换器全功率范围效率优化控制策略. 电源学报, 2026 , 24 (5) : 49 -58 . DOI: 10.13234/j.issn.2095-2805.2026.5.49

Tao WANG, Hongyang SHEN, Huilian LIAO, Qunfeng WANG. Boost Converter Full Power Range Efficiency Optimization Control Strategy[J]. Journal of Power Supply, 2026 , 24 (5) : 49 -58 . DOI: 10.13234/j.issn.2095-2805.2026.5.49

基金

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国网河南省电力公司科技资助项目(5217M0220008)

参考文献

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2026年第24卷第5期

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文章信息

doi: 10.13234/j.issn.2095-2805.2026.5.49

接收时间：2023-10-10
首发时间：2026-10-29
出版时间：2026-05-30

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出版历史

收稿日期：2023-10-10
修回日期：2023-12-21
录用日期：2024-03-22

基金

State Grid Henan Electric Power Company Technology(5217M0220008)

国网河南省电力公司科技资助项目(5217M0220008)

作者信息

国网河南省电力公司直流分公司，郑州　450000

通讯作者:

汪涛（1982—　），男，通信作者，本科。研究方向：特高压交直流设备检修技术。E-mail：13839802607@139.com。

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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2026.5.49

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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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