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| The Research on UPS Inverter based on Z-source Network |
| Wang Jian, Sun Songsong, Wang Chuanhui, Liu Xiaodong |
| College of Automation Engineering, Qingdao University, Qingdao, Shangdong 266071 |
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Abstract The voltage-fed Z-source inverter will be applied to UPS system to make the inverter circuit can operate in shoot-through state and achieve the buck-boost function through controlling the shoot-through vector. The thesis introduces and analyzes the topology、operating principle、control method of Z-source inverter and establishes voltage and current double closed-loop control system to keep the output voltage constant, has a good dynamic performance and steady-state performance. Finally,Matlab/Simulink software is applied to the simulation of UPS system and the validity of the theoretical analysis is proved by simulation results.
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Published: 27 July 2016
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2016, Vol. 17 
