Results 11 to 20 of about 492 (259)
The application of the Z-source/quasi-Z-source inverter exacerbates the hazard of common mode voltage in motor drives or photovoltaic systems. The existing reduced common-mode voltage pulse width modulation (RCMV-PWM) technique applied to the Z-source ...
Yizhan Jiang +4 more
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Power electronics play a fundamental role for electric transportation, renewable energy conversion and many other industrial applications. They have the ability to help achieve high efficiency and performance in power systems.
Daouda Mande +2 more
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An DPWM for Active DC-Link Type Quasi-Z-Source Inverter to Reduce Component Voltage Rating
The conventional DC-link type quasi-Z-source inverter has been known as a buck–boost inverter with a low component voltage rating. This paper proposes an active DC-link type quasi-Z-source inverter by adding one active switch and one diode to the ...
Duc-Tri Do, Vinh-Thanh Tran, Khai Nguyen
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A model predictive control strategy based on energy storage grid‐connected quasi‐z‐source inverters
The battery energy stored quasi‐Z‐source (BES‐qZS) based photovoltaic (PV) power generation system combines advantages of the qZS inverter and the battery energy storage (BES) system.
Lixiong Li +3 more
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Quasi-Z-source Inverter with Coupled Inductor [PDF]
A novel quasi-Z-source inverter with Coupled Inductor technique is proposed in this paper. The boost ability of the proposed topology is enhanced compared to classic Z-source/quasi-Z-source topologies. The proposed topology provides a common mode ground with dc source, continuous input current, reduced voltage and current stress on active and passive ...
Zhengyu Zhao +3 more
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As a new type of topology inverter, the isolated quasi-Z-source inverter is suitable for photovoltaic power generation systems because of its high efficiency in power conversion, high boost ratio and electrical isolation.
Yan Chen +4 more
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A Family of High Step-Up Quasi Z-Source Inverters with Coupled Inductor
With the continuous development of new energy, there is more and more research on step-up inverters in photovoltaic and wind power generation systems.
Yu Tang, Hao Sun, Shaoheng Wang
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Comparative Analysis of Extended SC-qSBI With EB-QZSI and EB/ASN-QZSI
The motivation of this paper is to bring into notice the establishment of two topologies: enhanced boost-quasi Z source inverter (EB-QZSI) and enhanced boost QZSI with an active switched network (EB/ASN-QZSI) which have poor performance than Extended ...
Avneet Kumar, Danyang Bao, Abdul R. Beig
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Analysis and modeling of the Quasi-Z-Source-Inverter
This paper presents a dynamic average model of the Quasi-Z-Source Inverter (QZSI), based on the short term average values over one PWM-period, and the analysis of the possible switching states that can occur in the QZSI. The model is considerably descriptive since the modeling has been performed by analyzing the physical and functional relations with ...
Liske, A., Clos, G., Braun, M.
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Controlled Energy Flow in Z-Source Inverters
This paper proposes a method to reduce the output voltage distortions in voltage source inverters (VSI) working with impedance networks. The three main reasons for the voltage distortions include a discontinuous current in the coils of the impedance ...
Zbigniew Rymarski +2 more
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