一种非对称三电平逆变器SVPWM调制方法.docx
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2022-12-17
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�� ��A novel asymmetric three-level inverter is proposed,in which the
space vector pulse width modulation (SVPWM) strategy is adopted as its
modulation method.The preceding-stage of the inverter provides four-
channel levels through the dualBuck converter for the rear stage.The rear-
stage inverter circuit includes four three-phase bridge arms,and works at
the asymmetric three-level state with various switching combinations.The
asymmetric three-level circuit structure reduces the voltage stress of the
switching tube while exerting large circuit,and switching loss of the rear-
stage inverter circuit.The working principle and modulation method of the
circuit are analyzed.The modeling simulation is performed with
Matlab/Simulink.The circuit is effective,and its modulation strategy is
feasible,which are verified with simulation results.%�����������
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