Results 181 to 190 of about 357 (217)
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Modeling and SVPWM control of quasi-Z-source inverter
11th International Conference on Electrical Power Quality and Utilisation, 2011In today's renewable energy power generation systems, inverters have become key devices connected between energy sources and power grids. The newly presented quasi-Z-source inverter (qZSI) has the unique advantages of boosting DC bus voltage without additional boost link, lower component ratings, as well as constant DC input current compared with the ...
Yushan Liu +4 more
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An Improved switched-inductor quasi-Z-source inverter
2013 1st International Future Energy Electronics Conference (IFEEC), 2013This paper has presented an improved switched-inductor quasi-Z-source inverter (SL-qZSI). Compared with the classic SL-qZSI, the boost ability of proposed topology is significantly strengthened. The operation principle of the proposed topology is analyzed in detail.
Kai Deng +4 more
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An improved Quasi-Z source inverter control system
2020 IEEE 4th Information Technology, Networking, Electronic and Automation Control Conference (ITNEC), 2020This paper briefly describes the topology of a quasi-Z source inverter. According to the application of the actual situation, an improved PWM technology is proposed in this paper, and a brief analysis of the improved PWM technology is made. In this paper, the traditional maximum boost SPWM control technology is improved, combined with the three-phase ...
Wenyu Yi, Xiju Zong, Yiming Liu
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A novel modulation control for quasi-Z-source inverters
2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia), 2017In this paper, a single-phase quasi-Z-source (qZS) inverter (qZSI), integrating the pulse width modulation (PWM) control with interleaved placement shifted shoot-through state (STS) modulation technique, is developed to simultaneously achieve both dc voltage boost and dc-ac inversion.
null Bo-Ruei Peng +3 more
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Enhanced quasi-Z-source inverter
International Conference on Mechanisms and Robotics (ICMAR 2022), 2022Junguo Zhu +3 more
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Switched-Coupled-Inductor Quasi-Z-Source Inverter
IEEE Transactions on Power Electronics, 2016Z-source inverters have become a research hotspot because of their single-stage buck–boost inversion ability, and better immunity to EMI noises. However, their boost gains are limited, because of higher component-voltage stresses and poor output power quality, which results from the tradeoff between the shoot-through interval and the modulation index ...
Hafiz Furqan Ahmed +3 more
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Research on an improved version of Quasi-Z source inverter
IET International Radar Conference 2013, 2013Traditional Quasi-Z source inverter uses direct zero vector to realize single-stage buck-boost. However, with the rising of output voltage, the capacitor voltage's increasing adds requirements for devices. A kind of modified Quasi-Z source topology is put proposed.
null Sun Chunxia +2 more
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Quasi-Z source H6 photovoltaic inverter
2021 China Automation Congress (CAC), 2021Fang Xupeng, Lu Ying, Wang Pu
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Performance Analysis of a Quasi-Z-Source Inverter Circuit
2020Today, new topology studies have been introduced for current and voltage source inverters that are widely used in power electronics applications in order to convert direct current to alternating current. In recent years, Z-source inverters (ZSIs) have become very popular by eliminating the conceptual and theoretical limitations of traditional inverters.
AKKAYA, Ramazan, ENDİZ, Mustafa Sacid
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