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论文:2016,Vol:34,Issue(6):1065-1073 |
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引用本文： |
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方淳, 窦满峰, 谭博, 苏超, 张璐. 电动增压系统高速永磁无刷直流电机研究[J]. 西北工业大学学报 |
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Fang Chun, Dou Manfeng, Tan Bo, Su Chao, Zhang Lu. Analysis of the High-Speed Permanent Magnet Brushless DC Motor for Electric Supercharger System[J]. Northwestern polytechnical university |
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| 电动增压系统高速永磁无刷直流电机研究 |
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| 方淳1, 窦满峰1, 谭博1, 苏超1, 张璐2 |
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1. 西北工业大学 自动化学院, 陕西 西安 710072;
2. 西安飞行自动控制研究所, 陕西 西安 710065 |
| 摘要: |
| 由高速驱动电机与压气机组成的电动增压系统，空气经系统压缩进气缸参与燃烧以提升动力输出。但高速电机的高损耗密度和高频特性会引起永磁体高温退磁和绕组阻感变化，不利于系统长时间稳定工作。基于受阻感影响小的基波/三次谐波磁链复合信号设计了新型高速电机无位置控制策略。同时在电机设计时将提升三次谐波信噪比，减小转子径向力和涡流损耗作为优化目标，对极弧系数等电机结构参数进行了设计优化。采用三维温度场方法分析电机温升，发现不同阶段热量传播路径存在不同。样机性能实验显示系统负载运行动态响应迅速，有效降低动力迟滞；温升实验结果表明热平衡时永磁体温度远低于极限温度，可靠性提升；亦验证了热量传播路径的观点。 |
| 关键词:
电动增压
高速电机
永磁无刷直流电机
气隙磁场
电机损耗
温度场
谐波分析
谐波磁链
无位置控制
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| Analysis of the High-Speed Permanent Magnet Brushless DC Motor for Electric Supercharger System |
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| Fang Chun1, Dou Manfeng1, Tan Bo1, Su Chao1, Zhang Lu2 |
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1. Northwestern Polytechnical University, Xi'an 710072, China;
2. AVIC Xi'an Flight Automatic Control Research Institute, Xi'an 710065, China |
| Abstract: |
| The electric supercharger system which is decoupled from the combust engine naturally, is composed of a high-speed brushless DC motor and a compressor. However the high loss density of high-speed motor would cause the heat concentration and demagnetization, also the resistance-inductance of winding is liable to get affected by high frequency, which generates commutation errors. In this paper, a novel sensorless control consisted of fundamental and 3rd harmonic flux is proposed. Simultaneously, rising the signal-to-noise ratio of 3rd harmonic flux, reducing the radial force of rotor and decline in motor loss and temperature rising are employed as the conditions, to optimize main parameters such as pole arc to pitch ratio. Three dimensional temperature field calculation method is adopted and heat propagation paths are different in different temperature rising stages is revealed. Performance experimental results of load condition indicate that the dynamic response of system is swift. The temperature of permanent magnet is much lower than the limited temperature, the view of heat propagation path is also verified. |
| Key words:
electric supercharger
high-speed motors
brushless DC motors
air-gap flux field
motor loss
temperature field
Harmonic distribution
Harmonic flux
sensorless control
design of experiments
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| 收稿日期: 2016-09-02
修回日期:
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| DOI: |
| 通讯作者:
Email： |
| 作者简介: 方淳(1986-),西北工业大学博士研究生,主要从事研究高性能驱动电机设计与控制的研究。
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| 作者相关文章 |
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| 方淳 在本刊中的所有文章 |
| 窦满峰 在本刊中的所有文章 |
| 谭博 在本刊中的所有文章 |
| 苏超 在本刊中的所有文章 |
| 张璐 在本刊中的所有文章 |
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