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Developments of Impedance Source Inverters
2020The developments of impedance source inverters are presented in this chapter, where improvements such as boost ability enhancement and parameter optimization are presented based on which many popular and practical derived topologies from original Z-source inverter are introduced systematically.
Hongpeng Liu +5 more
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Single-phase isolated impedance-source inverters
2015 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia), 2015This paper presents a new class of impedance source inverters which offers high frequency isolation between the inverter bridge and the load. Conventional Z-source inverter which employs a impedance network consisting of inductors and capacitors have unique features which can be realized as both buck and boost functions without the need of dead time ...
Zeeshan Aleem +3 more
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Dual-Winding Impedance Source Inverters
2020The coupled inductors Z-source inverters (CISIs) can be divided into dual-winding impedance source inverters and three-winding impedance source inverters in general, where the dual-winding impedance source inverter could be subdivided into T-source inverter (TSI) [1], trans-quasi-Z-source inverter (trans-QZSI) [3], improved trans-QZSI [4], transformer ...
Hongpeng Liu +5 more
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Comparative analysis of various impedance source inverters
2016 International Conference on Automatic Control and Dynamic Optimization Techniques (ICACDOT), 2016Use of renewable energy sources has been increasing day by day because of its availability in frequent manner and of low cost. These sources are coupled with the various converters to convert dc to ac, ac to dc, ac to ac and dc to dc. Renewable energy sources produces dc output voltage hence, it must be converted into ac output voltage according to ...
Snehal D. Mahale, Rajashri J. Patil
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Characteristic Analysis of the Grid-Connected Impedance-Source Inverter for PV Applications
International Symposium on Power Electronics for Distributed Generation Systems, 2019As a single-stage buck-boost inverter, the impedance-source inverter can achieve the step-up operation using the shoot-through states, which are not allowed in the conventional voltage source inverter (VSI).
Wenjie Liu, Yongheng Yang, T. Kerekes
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Reliability Research on Impedance Source Inverters
2020Advances in power electronics enable efficient and flexible processing of electric power in the application of renewable energy sources, electric vehicles, adjustable-speed drives, etc. More and more efforts are devoted to better power electronic systems in terms of reliability to ensure high availability, long lifetime, sufficient robustness, low ...
Hongpeng Liu +5 more
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Neutral point clamped quasi-impedance-source inverter
2011 7th International Conference-Workshop Compatibility and Power Electronics (CPE), 2011In this paper a new modification of a three-level neutral-point-clamped inverter is presented. The proposed topology combines the advantages of the three-level neutral-point-clamped full-bridge inverter with those of the quasi-impedance-source inverter.
Silver Ott +2 more
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Active Damping Current Control for Current-Source Inverter-Based PMSM Drives
IEEE transactions on industrial electronics (1982. Print), 2023Current-source inverter is considered as a promising candidate in the permanent-magnet synchronous machine drive system for its superior current waveforms and inherent capability of withstanding the short-circuit failure.
Shijie Yang +4 more
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Single-Phase Transformerless Grid-Connected Impedance Source Inverter
2018 International Electrical Engineering Congress (iEECON), 2018This paper presents a design and control of single-phase transformerless grid-connected impedance source inverter. The conventional tranformerless grid-connected inverters might cause the DC offset in the injected currents to the grid due to the leakage current from deteriorated PV panels.
Chumpol Siriwattanasit +3 more
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Development of Impedance-Source Inverter Using SiC-MOSFET
2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia), 2018Impedance-source inverter using SiC-MOSFET was studied. A 3-kW laboratory level inverter had the efficiency of about 96 % at the condition of output boost ratio G of 1.77 (boost ratio B of 2.5), output power of 3.16 kW and input voltage of 240 V. At lower G case of 1.32 (B of 1.61), the efficiency of impedance-source inverter was increased by 97.4 ...
Ryuji Iijima +3 more
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