Results 11 to 20 of about 14,860 (299)

Quasi‐Z‐source inverter with switched‐coupled‐capacitors

IET Power Electronics, 2023
This paper presents an improved switched‐inductor quasi‐Z‐source inverter with a higher boost factor than similar inverters, which integrates a switched‐capacitor and a three‐winding switched‐coupled inductor into a conventional quasi Z‐source inverter ...
Mohammad Hosein Babaei, Asghar Taheri, Jamal Abbasi Bolaghi, Masoumeh Gholami   +3 more
doaj   +3 more sources

A Switched Quasi-Z-Source Inverter with Continuous Input Currents [PDF]

Energies, 2020
Impedance source converters as single-stage power conversion alternatives can boost and regulate the output voltages of renewable energy sources. Nevertheless, they, also known as Z-source inverters (ZSIs), still suffer from limited voltage gains and ...
Jing Yuan, Yongheng Yang, Frede Blaabjerg   +2 more
doaj   +4 more sources

Quasi-Z-source Inverter with Coupled Inductor [PDF]

2019 IEEE Conference on Power Electronics and Renewable Energy (CPERE), 2019
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, Mohammed A. Elgendy, Matthew Armstrong, Musbahu Muhammad   +3 more
openaire   +2 more sources

Two Inputs Five-Level Quasi-Z-Source Inverter [PDF]

Journal of Operation and Automation in Power Engineering, 2016
This paper combines quasi-Z-source into a typical five-level inverter, which includes two dc voltage sources, two quasi-Z-sources and five switching devices.
A. Baghbany Oskouei, M. R. Banaei, M. Sabahi   +2 more
doaj   +1 more source

Quasi Z-source NPC inverter for PV application [PDF]

2017 IEEE PES PowerAfrica, 2017
تعرض هذه الورقة مبادئ التشغيل واستراتيجية تعديل متجهات الفضاء المعدلة لمحول ثلاثي الأطوار شبه محايد المصدر من نقطة Z مثبت للتطبيقات الشمسية الكهروضوئية. تجمع هذه الطوبولوجيا بين مزايا المحولات ذات النقطة المحايدة المثبتة وشبه Z. وتشمل هذه المزايا تحويل الطاقة المعزز أحادي المرحلة، وتيار الإدخال المستمر، وإجهاد الجهد المنخفض للمفاتيح.
Francis Boafo Effah, Patrick Wheeler, Alan J. Watson, Jon Clare   +3 more
openaire   +3 more sources

An DPWM for Active DC-Link Type Quasi-Z-Source Inverter to Reduce Component Voltage Rating

Energies, 2022
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
doaj   +2 more sources

A wavelet modulation method for a quasi-Z-source inverter

工程科学学报, 2017
A wavelet modulation strategy applied to a quasi-Z-source inverter was proposed. The regulating range of the shootthrough duty ratio could be increased by changing the locations of the sampling points set using traditional wavelet-modulation.
LI Zhi-jun, ZHANG Jia-wei, WANG Juan, XI Wen-xia, ZHANG Zi-kun, ZHANG Chuan-bo   +5 more
doaj   +2 more sources

Modulation and control of transformerless boosting inverters for three-phase photovoltaic systems: comprehensive analysis [PDF]

Scientific Reports
This paper examines the performance of three power converter configurations for three-phase transformerless photovoltaic systems. This first configuration consists of a two-stage DC–DC–AC converter comprised of a DC–DC boost chopper and a three-phase ...
Mostafa Wageh Lotfy, Ramadan Mahmoud Mostafa, Haitham S. Ramadan, Mahmoud F. Elmorshedy, Sherif M. Dabour   +4 more
doaj   +2 more sources

Switched-Inductor Extended-Boost Quasi-Z-Source Inverter

IEEE Access
This paper introduces two novel impedance source inverter topologies for switched-inductor extended-boost quasi-Z-source inverters: diode-assisted and capacitor-assisted switched-inductor extended-boost quasi-Z-source inverters.
Abhishek Paikray, Dezi Shrivastav, Sisir Kumar Nayak   +2 more
doaj   +2 more sources

Research on Cascaded Three-phase quasi-Z Source Inverter

Kongzhi Yu Xinxi Jishu, 2017
It presented a LVC-qZSI(line voltage cascaded quasi-Z source inverter) which uses a multiplexed inverter topology cascaded by line voltage and its module unit is composesd by two modules: quasi-Z source network and three-phase inverter.
ZHANG Weiwei
doaj   +2 more sources