无电解电容五相永磁同步电机驱动系统主动阻尼控制策略*

doi:10.11985/2023.04.012

电气工程学报 ›› 2023, Vol. 18 ›› Issue (4): 106-113.doi: 10.11985/2023.04.012

• 特邀专栏:轻量化高可靠永磁电机系统 • 上一篇下一篇

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无电解电容五相永磁同步电机驱动系统主动阻尼控制策略^*

陈前¹(), 陈鑫¹(), 颜黎浩²(), 史浩¹^,³(), 韩鑫¹()

1.江苏大学电气信息工程学院镇江 212013
2.上海炫杏实业有限公司上海 201108
3.华电煤业集团数智技术有限公司北京 102400

收稿日期:2023-07-19 修回日期:2023-08-24 出版日期:2023-12-25 发布日期:2024-01-12
通讯作者: 陈前，男，1986年生，博士，教授。主要研究方向为高可靠永磁电机系统。E-mail：chenqian0501@ujs.edu.cn
作者简介:陈鑫，男，1998年生，硕士研究生。主要研究方向为永磁电机无电解电容驱动技术。E-mail：2212107045@stmail.ujs.edu.cn
颜黎浩，男，1985年生，工程师。主要研究方向为永磁电机控制技术。E-mail：leoyan@shine-apricot.com
史浩，男，1984年生，博士研究生。主要研究方向为电机设计及其控制。E-mail：2112207003@stmail.ujs.edu.cn
韩鑫，男，1997年生，硕士研究生。主要研究方向为五相永磁同步电机故障诊断和容错控制。E-mail：2222107069@stmail.ujs.edu.cn
基金资助:
*国家自然科学基金资助项目(52077097)

Active Damping Control Strategy for Five-phase Permanent Magnet Synchronous Motor Drive System without Electrolytic Capacitors

CHEN Qian¹(), CHEN Xin¹(), YAN Lihao²(), SHI Hao¹^,³(), HAN Xin¹()

1. School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013
2. Shanghai Shine-apricot Industrial Co., Ltd., Shanghai 201108
3. Huadian Coal Industry Group Digital Technology Co., Ltd., Beijing 102400

Received:2023-07-19 Revised:2023-08-24 Online:2023-12-25 Published:2024-01-12

摘要/Abstract

摘要：

无电解电容电机驱动系统具有体积小、寿命长、可靠性高的优点。然而采用薄膜电容的电机驱动系统可能会出现直流母线电压不稳定的问题，主要表现为薄膜电容与网侧电感容易产生LC谐振导致直流母线电压出现过电压现象，且现有的谐振抑制策略广泛应用于三相电机，而对于五相永磁同步电机的无电解电容谐振抑制策略应用较少。为此，针对五相永磁同步电机提出一种主动阻尼的谐振抑制策略。首先基于简化驱动电路的传递函数分析了系统的不稳定性和LC谐振并构建五相永磁同步电机数学模型；其次介绍了主动阻尼电流具体的实现方式；最后将阻尼电流转化为电压指令构建反馈回路实现母线电压谐振抑制，并在仿真中验证了该方法的有效性。

关键词: 无电解电容, 五相永磁同步电机, LC谐振, 主动阻尼

Abstract:

The electrolytic capacitor-less motor drive system has the advantages of small size, long life and high reliability. However, the motor drive system using film capacitors may have the problem of DC-link voltage instability, which is mainly manifested in the over-voltage phenomenon of DC-link voltage caused by LC resonance between film capacitors and grid-side inductors, and the existing resonance suppression strategy is widely used in the three-phase motors, while the five-phase permanent magnet synchronous motors without electrolytic capacitors resonance suppression strategy is applied to a lesser extent. For this reason, an active damping resonance suppression strategy for five-phase permanent magnet synchronous motors is proposed. Firstly, the instability and LC resonance of the system are analyzed based on the transfer function of the simplified driving circuit and the mathematical model of the five-phase permanent magnet synchronous motor is constructed. Secondly, the specific implementation of the damping current is introduced. Finally, the damping current is converted into a voltage command to construct a feedback loop to achieve the resonance suppression of the bus voltage, and the validity of the method is verified in the simulation.

Key words: Electrolytic capacitor-less, five-phase permanent magnet synchronous motor, LC resonant, active damping

中图分类号:

TM341

陈前, 陈鑫, 颜黎浩, 史浩, 韩鑫. 无电解电容五相永磁同步电机驱动系统主动阻尼控制策略^*[J]. 电气工程学报, 2023, 18(4): 106-113.

CHEN Qian, CHEN Xin, YAN Lihao, SHI Hao, HAN Xin. Active Damping Control Strategy for Five-phase Permanent Magnet Synchronous Motor Drive System without Electrolytic Capacitors[J]. Journal of Electrical Engineering, 2023, 18(4): 106-113.

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参考文献 21

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参数	数值
网侧输入电压有效值/V	380
网侧输入额定频率/Hz	50
直流电容/μF	15
网侧电感/mH	2
电机极对数p	4
电机定子电阻/Ω	0.8
基波d、q轴电感/mH	5.3/17
三次谐波d、q轴电感/mH	1.91/1.97
额定转速/(r/min)	3 000
额定转矩/(N·m)	27

无电解电容五相永磁同步电机驱动系统主动阻尼控制策略^*

Active Damping Control Strategy for Five-phase Permanent Magnet Synchronous Motor Drive System without Electrolytic Capacitors

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