Results 11 to 20 of about 7,302,077 (339)
Application of Improved Droop Control Based on Grid Impedance in Photovoltaic Grid-Connected Power Generation system [PDF]
E3S Web of Conferences, 2021 When the power grid impedance mutates, the output power of the grid-connected photovoltaic power generation system controlled by drooping will become very unstable.
Hao Xu Hao, Fang Wang, Cheng Liang Zhi
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IEEE Access, 2022 This paper proposes a novel topology, named a single-phase active switched-capacitor embedded quasi-Z-source inverter (ASC-EqZSI), and two pulse-width modulation (PWM) methods, namely, PWM1 and PWM2 methods for the proposed ASC-EqZSI topology to improve ...
Anh-Tuan Huynh, Anh-Vu Ho, Tae-Won Chun
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Transformerless High Step-Up DC-DC Converter With Low Voltage Stress for Fuel Cells
IEEE Access, 2021 Conventional dc-dc boost converter has limited boost capacity, and its power device suffers high voltage stress. A novel hybrid Z-source dc-dc converter featured with high step-up capability and low device voltage stress is proposed in this article ...
Jiawei Zhao, Daolian Chen, Jiahui Jiang
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Improved Symmetric Switched-Inductor/Capacitor Quasi Z-Source Inverter with Ability Uplifted-Boost [PDF]
International Journal of Industrial Electronics, Control and Optimization, 2020 This paper proposes a topology of switched-inductor/capacitor quasi z-source inverter (SIC-qZSI), which based on the classic qZSI. This topology is symmetric and has a high boost factor in the low duty cycle and high modulation index.
Alireza Karbalaei, Mohammad Mardaneh
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IEEE Access, 2021 Conventional dc-dc Boost converter has limited boost capacity, and its power device suffers high voltage stress. A novel Z-source based dc-dc boost converter featured with high step-up capability and low device voltage stress is proposed in this paper ...
Jiawei Zhao, Daolian Chen
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Unit Partition Resonance Analysis Strategy for Impedance Network in Modular Power Converters
Frontiers in Energy Research, 2022 In modular power converters, the dc-link capacitor has the highest failure rate due to thermal stress, reducing system performance and reliability. Current harmonics are one of the prominent causes of thermal stress on the dc-link capacitor that may get ...
Mustafa Tahir +3 more
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Switched-Capacitor-Inductor Active-Switched Boost Inverters With High Boost Ability
IEEE Access, 2021 This paper proposes a novel topology, named the switched-capacitor-inductor active-switched boost inverter (SCL-ASBI), based on a switched boost inverter (SBI).
Anh-Tuan Huynh, Anh-Vu Ho, Tae-Won Chun
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Sequence component direction element based on power frequency variation [PDF]
E3S Web of Conferences, 2021 Unlike the relatively stable network structure of the transmission and distribution network, under the new distribution network, resulting in errors in the impedance tuning of the fault directional element, misjudgment of the fault directional element ...
Liangzhi Sun +4 more
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Magnetically Coupled Single-Phase AC-AC Converter With Reduced Number of Passive Components
IEEE Access, 2022 An AC-AC direct single-phase converter based on an impedance network is presented in this manuscript. It possesses all privileges of similar impedance source AC-AC converters such as buck-boost ability, maintaining or reversing the phase angle and ...
Soroush Esmaeili +5 more
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Automotive Innovation, 2021 The development of fuel cell vehicles (FCVs) has a major impact on improving air quality and reducing other fossil-fuel-related problems. DC-DC boost converters with wide input voltage ranges and high gains are essential to fuel cells and DC buses in the
Xiaogang Wu +5 more
semanticscholar +1 more source