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Increasing efficiency of the switched reluctance generator at low-speed operation

机译:低速运行时开关磁阻发电机的效率提高

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The paper presents a novel switching strategy to increase the efficiency of the switched reluctance generator at low speed. The asymmetric bridge converter that provides three switching states has been chosen. The proposed technique redistributes the three switching states of the converter within one working cycle. Such technique is viable when the switched reluctance generator operates below its base speed. Here, the back electromagnetic force is always lower than the DC-link voltage, hence the phase current is controlled at a desired value. The proposed control method is validated using a commercially available four phase 8/6 switched reluctance generator. A comparison between standard and new control method is illustrated. Also, the paper presents a theoretical analysis for the switching angle control method.
机译:本文提出了一种新颖的开关策略,以提高低速时开关磁阻发生器的效率。选择了提供三个开关状态的非对称桥式转换器。所提出的技术在一个工作周期内重新分配了转换器的三个开关状态。当开关磁阻发电机在其基本速度以下运行时,这种技术是可行的。在此,反电磁力始终低于直流母线电压,因此将相电流控制在所需值。使用市售的四相8/6开关磁阻发电机对提出的控制方法进行了验证。说明了标准控制方法和新控制方法之间的比较。另外,本文还对开关角控制方法进行了理论分析。

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