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| Third Harmonic Injection Control Strategy of Improved Z-Source Inverter |
| Zhang Chaohua, Tang Yu, Xie Shaojun |
| Nanjing University of Aeronautics and Astronautics Nanjing 210016 China |
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Abstract Compared to previous Z-source inverter topology, improved Z-source inverter has advantages such as low Z-source capacitor voltage stress and inherent inrush current limitation. This paper investigates the third harmonic injection control strategy of improved Z-source inverter. Compared to simple boost control, the third harmonic injection control can reduce the voltage stress and Z-source inductor current ripple. Theoretical analysis, simulation and experimental results are presented to demonstrate the features of the control.
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Received: 23 May 2008
Published: 18 February 2014
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2009, Vol. 24 
