一种基于倍压电路的七电平单相逆变器设计与仿真

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Abstract The paper focus on the problem of higher THD of inverter, a novel seven level single-phase inverter topology was proposed. A seven-level inverter was realized based on adjusting the DC bus voltage which is controlled by switch the Mosfets. Compared with the traditional seven-level inverter, the topology used fewer switched and reduces the voltage stress of some of switches to xx switching loss and improve the stability of the system effectively, meanwhile the wide range of voltage gain of the system can higher up to 3~30 times of input DC voltage, it's especially use for inverter with lower DC input. Finally, the paper validates the feasibility of the system by simulation mode of PSIM.

Key words： doublers circuit multilevel inverter voltage gain

Received: 31 March 2018 Published: 31 August 2018

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	Articles by authors
	Fu Yongsheng
	Huang Haibo
	Hu Wenting
	Lei Ming

Cite this article:

Fu Yongsheng,Huang Haibo,Hu Wenting等. The design and simulation of 7-level single phase inverter based on doublers circuit[J]. Electrical Engineering, 2018, 19(8): 6-10.

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http://dqjs.cesmedia.cn/EN/Y2018/V19/I8/6

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