A New Control Strategy for SR Generation System Based on Modified PT Control

被引：7
|
作者：
Zan, Xiaoshu [1 ]
Ni, Kai [2 ]
Zhang, Wenyuan [1 ]
Jiang, Zhikai [1 ]
Cui, Mingliang [3 ]
Yu, Dongsheng [1 ]
Zeng, Rong [4 ]
机构：
[1] China Univ Min & Technol, Sch Elect & Power Engn, Xuzhou 221008, Jiangsu, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, Wuhan 430074, Peoples R China
[3] State Grid Dongtai Cty Elect Power Supply Co, Yancheng 224200, Peoples R China
[4] Oak Ridge Natl Lab, Power Elect & Elect Machinery Grp, Knoxville, TN 37932 USA
来源：
IEEE ACCESS | 2019年 / 7卷
关键词：
SR power generation system; pulse train; fly-wheeling current; voltage ripple; dynamic characteristics; SWITCHED RELUCTANCE MOTOR; CONVERTER;
D O I：
10.1109/ACCESS.2019.2959088
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The Switched Reluctance generator (SRG) has been widely used as a constant voltage source due to its advantages of simple structure, low cost and high control flexibility. However, the output voltage ripples cannot be ignored due to its unique operating principle with phase commutation. In this paper, the influence of the control parameters on the output voltage ripples are analyzed, and a fly-wheeling pulse train (FW-PT) control strategy is proposed to suppress the voltage ripple. The output voltage can be regulated by the FW-PT control strategy by using two or more sets of preset control pulse combinations, therefore it has the advantages of simple circuit implementation, no Network compensation and fast response speed. The characteristics of steady-state and dynamic behaviors of the switched reluctance power generation system by using different control strategies are simulated and compared, and a platform of 200W 8/6 SRG is built for experimental verification. Simulation and experimental results confirm that compared with the traditional PID control strategy, the FW-PT control strategy can be used to not only suppress the output voltage ripple, but also achieve faster response and dynamic characteristics.
引用
收藏
页码：179720 / 179733
页数：14
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