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多流制机车频率自适应二次脉动电压抑制策略
Frequency-adaptvie suppression strategy of double frequency voltage pulsation for multi-system locomotive
- 机车电传动 2022年第3期 页码：37-44
- 作者机构：
中车株洲电力机车研究所有限公司，湖南 株洲 412001
- 作者简介：
张 岩（1996—），男，硕士，工程师，主要从事牵引系统传动控制方面的研究；E-mail: 1303961169@qq.com
- 基金信息：国家自然科学基金高铁联合基金重点项目(U1834205)
DOI：10.13890/j.issn.1000-128X.2022.03.005
中图分类号： U264.2+3纸质出版日期：2022-05-10，
收稿日期：2022-03-12，
修回日期：2022-04-22，
- 稿件说明：
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张岩, 王跃, 付刚, 等. 多流制机车频率自适应二次脉动电压抑制策略[J]. 机车电传动, 2022,(3):37-44.
ZHANG Yan, WANG Yue, FU Gang, et al. Frequency-adaptvie suppression strategy of double frequency voltage pulsation for multi-system locomotive[J]. Electric drive for locomotives, 2022,(3):37-44.
张岩, 王跃, 付刚, 等. 多流制机车频率自适应二次脉动电压抑制策略[J]. 机车电传动, 2022,(3):37-44. DOI： 10.13890/j.issn.1000-128X.2022.03.005.
ZHANG Yan, WANG Yue, FU Gang, et al. Frequency-adaptvie suppression strategy of double frequency voltage pulsation for multi-system locomotive[J]. Electric drive for locomotives, 2022,(3):37-44. DOI： 10.13890/j.issn.1000-128X.2022.03.005.
摘要
为实现多流制机车的轻量化设计和低碳运行，提出一种可复用储能系统的直流电压二次脉动有源抑制方法。该方法利用双向DC-DC电路将四象限变流器中固有的二次功率脉动转移到辅助LC支路上，实现对中间电压脉动的抑制。首先，通过PI控制确保辅助电容的直流电压稳定；其次，提取直流侧的二次脉动功率，并转换成辅助LC支路上的指令电流，采用比例谐振控制器对指令电流进行跟踪，以实现对相应二次脉动功率的补偿。最后，利用仿真工具对控制策略进行仿真，仿真结果显示二次脉动电压抑制效果显著，同时也验证了文章所述理论的可行性。
Abstract
In order to realize the lightweight design and low-carbon operation of multi-system locomotive
an active suppression method of DC voltage secondary pulsation of reusable energy storage system was proposed. Bidirectional DC/DC circuit was used to transfer the secondary power pulsation in the four-quadrant converter to the auxiliary LC branch to suppress the intermediate voltage pulsation. Firstly
the stability of DC voltage of auxiliary capacitor was guaranteed by PI control. Then
the secondary pulsation power on the DC side was extracted and converted into the command current on the auxiliary LC branch. The command current was tracked by proportional-resonant control to realize compensation of secondary pulsation power. Finally
the control strategy was simulated to show significance of secondary pulsation voltage suppression and verify the feasibility of the theory.
关键词
多流制机车电力机车二次脉动有源抑制双向DC-DC自适应储能电路仿真
Keywords
multi-system locomotiveelcctric locomotivedouble frequency pulsationactive suppressionbidirectional DC/DCadaptive energy storage systemsimulation
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