Results 261 to 270 of about 13,598 (300)

An improved Quasi-Z source inverter control system

2020 IEEE 4th Information Technology, Networking, Electronic and Automation Control Conference (ITNEC), 2020
This 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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Simple boost PWM controlled cascaded quasi Z-source inverter

Materials Today: Proceedings, 2021
Abstract In this paper cascaded quasi Z source inverter is used to give desired boosted output. It can derive from the quasi Z source inverter by adding one diode, one inductor, ant two capacitors. Power converters can be used for adjusting the parameters needed for synchronization of the source and load.
K. Chitra, V. Kamatchikannan, K. Viji, M. Lakshmanan   +3 more
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Switched Impedance Enhanced-Boost Quasi-Z-Source Inverter

2017 14th IEEE India Council International Conference (INDICON), 2017
Enhanced-boost quasi-Z-source inverter (EB-qZSI) is proposed in this paper. Similar to the enhanced-boost ZSI and continuous input current enhanced-boost qZSI with two switched-impedance networks, this proposed inverter topology possess very high voltage boost at low shoot-through duty ratio and high modulation index to provide better quality output ...
Vadthya Jagan, Sharmili Das
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Three switch quasi Z-source series resonant inverter

2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT), 2014
This paper proposed new topology of quasi Z-source series resonant inverter by using three switches. The main advantages of new three switch quasi Z-source series resonant inverter is simple control strategies, widely varying input voltages, obtain a sine wave output voltage in high frequency.
J. Saravanan, P. Manikandan
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Dual Active-Switched-Capacitor Quasi-Z-Source Inverter

2019 IEEE Conference on Energy Conversion (CENCON), 2019
This paper proposed a new qZSI topology called dual active-switched-capacitor qZSI (DASC-qZSI). This new proposed topology offers high voltage gain and boost factor value by using less components. In this paper, the proposed topology will be analyzed and compared with previous high boost qZSI topology.
Misbahul Munir, Rahmatullah Aji Prabowo, Mega Agustina, M. Aldy Wildan Maulana, Irham Fadlika, null Aripriharta, A.N. Afandi, Amer M.Y.M Ghias   +7 more
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A new topology for quasi-Z-source inverter

2015 30th International Power System Conference (PSC), 2015
In this paper, a new circuit is proposed for step-up Z-source inverter based on QZSI (quasi-Z-source inverter). The proposed topology inherits all advantages of the conventional topology. The proposed topology in comparison with conventional topology reduces the ST (Shoot-through) duty cycle by over 25% at the same voltage boost factor.
Negar Mirkazemian, Ebrahim Babaei
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Model Predictive Control of Quasi-Z-Source Inverter

2021
This paper provides an overview simulation and brief discussion about model predictive control of quasi-z-source inverter in shoot-through case and also non-shoot-through case. Model predictive control strategy related with different tasks related to closed-loop control of voltages and currents such as current across inductor and voltage across ...
W. Razia Sultana, Anuj Lodhi, Chandrasekhar Reddy Gade, A. Chitra, J. Vanishree, M. Manimozhi   +5 more
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Cascaded Three-phase Quasi-Z Source Photovoltaic Inverter

2018 8th International Conference on Power and Energy Systems (ICPES), 2018
A multiplexed inverter topology cascaded by line voltage is proposed, which composes three modules: PV panel, quasi-z source network and three-phase inverter. Through an analysis of the function feature of established mathematical model, an improved dual-loop control system is proposed.
Zhiyong Li, Guohang Huang, Weiwei Zhang, Yufeng Tang, Yougen Chen   +4 more
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Enhanced quasi-Z-source inverter

International Conference on Mechanisms and Robotics (ICMAR 2022), 2022
Junguo Zhu, Yanping Wang, Shuang Shi, Fengshan Liu   +3 more
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Loss Analysis of Quasi Z-source Inverter with Superjunction-MOSFET

IEEJ Transactions on Industry Applications, 2018
AbstractA Z‐source inverter (ZSI) can work as an inverter with boost capability in one stage by using its impedance source and the short‐through mode as the switching mode. This paper discusses the circuit losses that depend on the boost ratio between the quasi ZSI, which is one of the ZSI topologies, using Superjunction‐MOSFETs and the conventional ...
Naoki Kamoshida, Ryuji Iijima, Takanori Isobe, Hiroshi Tadano   +3 more
openaire   +1 more source