Bus Peak Current Control Strategy to Minimize DC-Link Capacitor of Switched Reluctance Machine Drive

被引：0
|
作者：
Gong, Z. [1 ]
Liu, C. [1 ]
Wang, K. [1 ]
Nan, Z. Y.
Guan, M. J. [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, 29 Jiangjun Rd, Nanjing, Jiangsu, Peoples R China
来源：
2016 19TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2016) | 2016年
基金：
中国国家自然科学基金;
关键词：
SRM; power converters; bus peak current control; minimize DC-Link capacitor; TORQUE RIPPLE; MOTOR DRIVE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to improve the reliability of Switched Reluctance drive system, this paper presents a new control method to reduce the capacitance value of DC bus. Firstly, based on the equivalent mathematical model of the electrolytic capacitor, the capacitance value of the DC bus is estimated at the fixed frequency. Three methods are proposed to reduce the capacitance of the bus, and the mathematical relationship between the maximum value of the DC link current and the minimum capacitance value is established. A switching cycle is divided into two sections: the commutation region and the non-commutation region. The switching modes in different regions are analyzed, and the feasibility of the method is verified by simulation. In the end, the traditional control strategy and bus peak current control strategy are compared. Research results show that : BPC can reduce the capacitance value of 60% without affecting the efficiency of the system.
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收藏
页数：5
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