电源学报

多路恒流输出变换器小信号建模与瞬态特性分析

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张景璋中国电源学会学生会员 , 陈树君 , 余悦中国电源学会会员 , 赵红雁 , 程博 , 易榕仙

电源学报 | 建模与控制 2025,23(7): 65-74

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电源学报 |建模与控制 2025 , 23 (7) : 65 -74

多路恒流输出变换器小信号建模与瞬态特性分析

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张景璋（1990—　），男，中国电源学会学生会员，博士研究生。研究方向：电力电子技术及焊接电源控制技术。E-mail：zjzbjut@163.com。

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张景璋（1990—　），男，中国电源学会学生会员，博士研究生。研究方向：电力电子技术及焊接电源控制技术。E-mail：zjzbjut@163.com。

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余悦（1993—　），女，中国电源学会会员，博士，讲师。研究方向：双向有源全桥逆变器。E-mail：yuyue@bjut.edu.cn。

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余悦（1993—　），女，中国电源学会会员，博士，讲师。研究方向：双向有源全桥逆变器。E-mail：yuyue@bjut.edu.cn。

赵红雁（1988—　），男，博士，讲师。研究方向：电力电子技术及高频焊接热源。E-mail：zhaohy@bjut.edu.cn。

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赵红雁（1988—　），男，博士，讲师。研究方向：电力电子技术及高频焊接热源。E-mail：zhaohy@bjut.edu.cn。

程博（1995—　），男，博士研究生。研究方向：机器人弧焊系统。E-mail：chengbomoyu@hotmail.com。

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程博（1995—　），男，博士研究生。研究方向：机器人弧焊系统。E-mail：chengbomoyu@hotmail.com。

易榕仙（1997—　），男，硕士研究生。研究方向：双向有源全桥及新能源并网技术。E-mail：yrxyrxup@163.com。

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易榕仙（1997—　），男，硕士研究生。研究方向：双向有源全桥及新能源并网技术。E-mail：yrxyrxup@163.com。

张景璋中国电源学会学生会员, 陈树君, 余悦中国电源学会会员, 赵红雁, 程博, 易榕仙

作者信息

北京工业大学材料与制造学部，北京　100124

通讯作者:

陈树君（1971—　），男，通信作者，博士，教授。研究方向：电力电子技术及机器人焊接系统。E-mail：sjchen0813@163.com。

作者简介:

张景璋（1990—　），男，中国电源学会学生会员，博士研究生。研究方向：电力电子技术及焊接电源控制技术。E-mail：zjzbjut@163.com。

余悦（1993—　），女，中国电源学会会员，博士，讲师。研究方向：双向有源全桥逆变器。E-mail：yuyue@bjut.edu.cn。

赵红雁（1988—　），男，博士，讲师。研究方向：电力电子技术及高频焊接热源。E-mail：zhaohy@bjut.edu.cn。

程博（1995—　），男，博士研究生。研究方向：机器人弧焊系统。E-mail：chengbomoyu@hotmail.com。

易榕仙（1997—　），男，硕士研究生。研究方向：双向有源全桥及新能源并网技术。E-mail：yrxyrxup@163.com。

Small-signal Modeling and Transient Characteristic Analysis of Multi-output Constant-current Converter

Jingzhang ZHANG Student Member, CPSS, Shujun CHEN, Yue YU Member, CPSS, Hongyan ZHAO, Bo CHENG, Rongxian YI

Affiliations

Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China

出版时间: 2025-11-30 doi: 10.13234/j.issn.2095-2805.2025.7.65

文章导航

摘要

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为了适应新的焊接工艺需求，需要设计1台单电源多路恒流输出焊接电源。设计了1种新型恒流输出变换器，能够根据不同焊接工艺需求输出2路直流电流或1路交流电流。详细分析该变换器的工作原理，在考虑负载电流变化对电路性能影响的基础上，分别建立直流和交流工作模式下的小信号模型，推导2种输出模式的输出阻抗；通过频域仿真验证小信号模型的正确性，分析变换器的负载瞬态响应速度。最后搭建实验样机，通过实验结果验证理论分析的正确性。

关键词

多输出变换器 / 降压电路 / 小信号建模 / 负载瞬态响应

Abstract

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To meet the requirements of new welding process, it is necessary to design a single-power source multi-output constant-current welding power supply. Under this background, a novel converter with constant-current output was designed, which can output dual DC current or single AC current according to the requirements of different welding processes. The working principle for this converter was analyzed in detail, the small-signal models in DC and AC working modes were established respectively on the basis of considering the effect of load current changes on the circuit performance, and the output impedance from the two kinds of output was derived. In addition, the frequency-domain simulations verified the small-signal models, and the load transient response speed of the converter was analyzed. Finally, an experimental prototype was built, and the theoretical analysis was validated by experimental results.

Key words

Multi-output converter / Buck circuit / small-signal modeling / load transient response

引用本文

张景璋中国电源学会学生会员, 陈树君, 余悦中国电源学会会员, 赵红雁, 程博, 易榕仙. 多路恒流输出变换器小信号建模与瞬态特性分析. 电源学报, 2025 , 23 (7) : 65 -74 . DOI: 10.13234/j.issn.2095-2805.2025.7.65

Jingzhang ZHANG, Shujun CHEN, Yue YU, Hongyan ZHAO, Bo CHENG, Rongxian YI. Small-signal Modeling and Transient Characteristic Analysis of Multi-output Constant-current Converter[J]. Journal of Power Supply, 2025 , 23 (7) : 65 -74 . DOI: 10.13234/j.issn.2095-2805.2025.7.65

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2025年第23卷第7期

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文章信息

doi: 10.13234/j.issn.2095-2805.2025.7.65

接收时间：2022-09-23
首发时间：2026-10-26
出版时间：2025-11-30

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收稿日期：2022-09-23
修回日期：2023-03-17
录用日期：2023-03-23

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作者信息

北京工业大学材料与制造学部，北京　100124

通讯作者:

陈树君（1971—　），男，通信作者，博士，教授。研究方向：电力电子技术及机器人焊接系统。E-mail：sjchen0813@163.com。

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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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