Results 41 to 50 of about 24,177 (75)

A capacitive power transfer system with LCL primary compensation for very‐low‐power portable devices

IET Power Electronics
This paper investigates and technically demonstrates a capacitive power transfer (CPT) system applicable to the charging of emerging very‐low‐power portable devices. The constant‐current operation of the primary LCL compensation in CPT is implemented and
Jiasheng Huang, Yi Dou, Zhe Zhang, Ziwei Ouyang, Michael A. E. Andersen   +4 more
doaj   +1 more source

A CC/VC‐based power tracking method for photovoltaic inverter operated in voltage control mode

IET Power Electronics
The active power control of photovoltaic (PV) inverters without energy storage can flatten the fluctuating power and support the voltage amplitude and frequency of the grid.
ZhenXiong Wang, Yingjie Peng, Hao Yi, Wei Zhang, Jingting Wu, Qiru Li, Fang Zhuo   +6 more
doaj   +1 more source

An improved wireless power transmission system for micro unmanned aerial vehicles

IET Power Electronics
Due to its limited load capacity, the piggybacking of wireless charging systems for micro unmanned aerial vehicles has become a challenging task in the design of micro unmanned aerial vehicles.
Shunyu Liu, Yuehao Guo, Ting Su, Haotian Wu, Genghao Xing, Yongqin Yang   +5 more
doaj   +1 more source

Two efficient three‐mode control strategies for four‐switch buck‐boost converters

IET Power Electronics
The bidirectional DC‐DC conversion, as an important application scenario, places certain requirements on the topology structure. The four‐switch buck‐boost (FSBB) converter has received widespread attention due to its simple structure, flexible control ...
Da Zhang, Yu Gu, Donglai Zhang, Xiaofeng Zhang, Haijin Li, Anshou Li   +5 more
doaj   +1 more source

Robust predictive control strategy for grid‐connected inverters with ultra‐local model based on linear matrix inequality

IET Power Electronics
To address the issue of poor robustness in the model predictive control of grid‐connected inverters due to disturbances in load model parameters, this article developed an ultra‐local model robust predictive controller based on Linear Matrix Inequality ...
Chunxi Liu, Fangrui Hong, Zhile Liu, Li Zhou, Xuanxu Jin, Zhiwei Lin   +5 more
doaj   +1 more source

Parameter‐free predictive control with flexibility in power adjustment for grid‐connected converters under unbalanced grid conditions

IET Power Electronics
This paper introduces a novel finite control set predictive direct power control method for grid‐connected converters without cost function evaluations. Unlike conventional predictive direct power control, since the proposed method does not use the model
Alireza Jabbarnejad, Sadegh Vaez‐Zadeh, Mohammad Khalilzadeh   +2 more
doaj   +1 more source

A capacitance reduction method of hybrid modular multilevel converter based on multi‐harmonic voltage injection

IET Power Electronics
In a modular multilevel converter (MMC) system, the sub‐module (SM) capacitors account for a large proportion of cost, volume and weight. Increasing modulation index (m) is an effective method to reducing the capacitance.
Hongxu Li, Qin Wang, Qunfang Wu, Lan Xiao, Jinbo Li, Qi Chen   +5 more
doaj   +1 more source

Adaptive‐saturation‐based transient stability enhancement for grid‐following inverters

IET Power Electronics
This paper proposes an adaptive saturation module to enhance the transient stability of grid‐following inverters after voltage‐dip inception and fault‐clearance moment.
Jiawei Wang, Cheng Luo, Lei Wei
doaj   +1 more source

A bidirectional isolated DC‐DC converter with low voltage stresses for energy storage systems integration

IET Power Electronics
Herein, a bidirectional isolated DC‐DC converter with low voltage stress is introduced to utilise in energy storage frameworks. Two sets of coupled inductors (CI) and a transformer are utilized on the low‐voltage side to increase voltage gain.
Amir Hossein Khanbabaie, Milad Niaz Azari, Tohid Nouri, Mahdi Shaneh   +3 more
doaj   +1 more source

Galaxywi laptop charger [PDF]

This business plan introduces GalaxyWi, an innovative wireless laptop charger, designed to meet the increasing demand for portable, efficient and cable-free charging solutions.
Loh, Ying Fei, Sim, Ji Wei, Wong, Yee Mun, Yeoh, Charissa Tian Ern   +3 more
core