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Generalized Space-Vector-Modulation Method for Soft-Switching Three-Phase Inverters
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DOI：10.1109/TPEL.2020.3026824.png)
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摘要
En 中文
Three-phase inverters are usually required to output reactive power in electric machine drives, renewable energy generation, static var generators, and other power electronic systems. Therefore, the inverter may operate within wide power factor angle range. However, the traditional zero-voltage-switching space vector modulation (ZVS-SVM) method for three-phase inverters is only applicable when power factor angle is between -pi/6 and +pi/6. In this article, a general ZVS-SVM method for three-phase inverter with arbitrary output is proposed. The principles for vector selection and vector sequence arrangement are discussed in detail. With only one switching operation of the auxiliary switch in each switching cycle, ZVS of all switches can be achieved. Operation stage analyses and ZVS condition of the inverter with the proposed method are introduced. In addition, the resonant parameters design considerations and loss analyses are investigated. Finally, the proposed ZVS-SVM method is verified by the experiment.
Keyword:
Switches
Inverters
Zero voltage switching
Legged locomotion
Reactive power
Switching frequency
RLC circuits
Space vector modulation (SVM)
three-phase inverter
zero-voltage-switching (ZVS)
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6.5
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1.7W
被引数:
8.3W
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Performance Analysis of Reduced Common-Mode Voltage PWM Methods and Comparison With Standard PWM Methods for Three-Phase Voltage-Source Inverters降低共模电压PWM方法的性能分析以及与三相电压型逆变器标准PWM方法的比较
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