Optimal Output Power Control of Switched Reluctance Generator at a Constant Speed

Liwei Shao, Lei Dong, L.L. Ling
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Abstract

In order to control the output power of a switched reluctance generator(SRG) at a constant speed, the output power of SRG is theoretically analyzed by using freewheeling control. First, through a theoretical analysis, a finite element simulation and an experiment, it was verified that the output power of SRG cannot be improved by using freewheeling control with a single pulse control method(SPCM). Then, the maximum output power can be obtained by optimizing the turn off angles of SPCM at a constant speed, and at the same time, the formula of the optimal turn-off angle was presented, which meets the criterion for the output power maximization. Finally, numerical simulation and experimental results demonstrated the validity of the theoretical analysis.
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开关磁阻发电机恒转速最优输出功率控制
为了控制开关磁阻发电机(SRG)在恒转速下的输出功率,采用自由轮控制对开关磁阻发电机的输出功率进行了理论分析。首先,通过理论分析、有限元仿真和实验验证了采用单脉冲控制方法(SPCM)进行自由旋转控制不能提高SRG的输出功率。然后,通过优化SPCM在恒转速下的关断角,获得最大输出功率,同时给出了满足输出功率最大化的最佳关断角公式。最后,数值模拟和实验结果验证了理论分析的有效性。
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2437
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