双有源桥DC-DC变换器最小回流功率控制策略

doi:10.11985/2019.02.005

电气工程学报 ›› 2019, Vol. 14 ›› Issue (2): 24-29.doi: 10.11985/2019.02.005

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双有源桥DC-DC变换器最小回流功率控制策略

高帅,张兴,赵文广,郭华越

合肥工业大学电气与自动化工程学院合肥 230009

收稿日期:2019-05-06 出版日期:2019-06-25 发布日期:2019-10-25
作者简介:高帅,男,1994年生,硕士研究生。主要从事应用于能量路由器中的双有源桥变换器的研究。E-mail： 1595449367@qq.com;|张兴,男,1963年生,教授,博士研究生导师。主要从事大型光伏并网发电、大功率风力发电用并网变流器等方面的研究。E-mail： honglf@ustc.edu.cn

Minimum Reactive Power Control Strategy for Dual Active Bridge DC-DC Converter

GAO Shuai,ZHANG Xing,ZHAO Wenguang,GUO Huayue

School of Electrical Engineering and Automation, Hefei University of Technology, Hefei 230009 China

Received:2019-05-06 Online:2019-06-25 Published:2019-10-25

摘要/Abstract

摘要：

针对回流功率造成的双有源桥DC-DC变换器运行效率低的问题,在双重双向内移相调制策略的基础上,提出了一种最小回流功率控制策略。该控制策略通过寻求最优的移相比组合,实现了全功率范围内最小回流功率控制。介绍了双重双向内移相的工作原理并建立其传输功率以及回流功率的数学模型,提出了最小回流功率控制策略,最后通过试验验证了控制策略的有效性。

关键词: 双有源桥DC-DC变换器, 双重双向内移相, 回流功率, 优化控制

Abstract:

A minimum reactive power control strategy based on the dual-phase-shift control with bidirectional inner phase shifts(DPS-BIPS) modulation strategy is proposed to solve the low operating efficiency of the dual active bridge DC-DC converter caused by the reactive power. The control strategy achieves a minimum reactive power operation over the full power range by seeking an optimal combination of shifts. The working principle of DPS-BIPS is introduced,and its mathematical model of transmission power and reactive power is established. The minimum reactive power control strategy is proposed. Finally, the effectiveness of the optimization control algorithm is verified by experiment.

Key words: Dual active bridge DC-DC converter, DPS-BIPS, reactive power, optimization control

中图分类号:

TM464

高帅,张兴,赵文广,郭华越. 双有源桥DC-DC变换器最小回流功率控制策略[J]. 电气工程学报, 2019, 14(2): 24-29.

GAO Shuai,ZHANG Xing,ZHAO Wenguang,GUO Huayue. Minimum Reactive Power Control Strategy for Dual Active Bridge DC-DC Converter[J]. Journal of Electrical Engineering, 2019, 14(2): 24-29.

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参数	数值	参数	数值
直流电压U₁/V	50	变压器电压比n	1
直流电压U₂/V	50	等效电感L/μH	150
开关频率f/kHz	20	支撑电容C/μF	110
IPM模块	PM75B4L1C060	-	-

双有源桥DC-DC变换器最小回流功率控制策略

Minimum Reactive Power Control Strategy for Dual Active Bridge DC-DC Converter

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