Results 21 to 30 of about 209,443 (294)

Features of the work of pulse regulators in the maximum power transmission mode, with the presence of an accumulator at their output

Electrical engineering & Electromechanics, 2023
Introduction. For the efficient use of non-traditional and renewable sources of electrical energy, it is necessary to ensure their operation at the maximum power point, which is possible if the load resistance is equal to the output resistance of the ...
V. Y. Romashko, L. M. Batrak, O. O. Abakumova   +2 more
doaj   +1 more source

Research on Composite Continuously Variable Transmission of Double Variable Diameter Pulley and Planetary Transmission

Jixie chuandong
In order to obtain different working speeds under different conditions, the required output speed can change evenly within a certain range, so that the speed and power output can reach a better balance point, so as to reduce energy consumption.
Yan Chuang, Song Aiping, Pan Jianzhou, Huang Jiaming   +3 more
doaj   +2 more sources

Research on transmission characteristics of magnetically coupled resonant wireless power transfer system

Gong-kuang zidonghua, 2020
In view of the influence of coil parameters and load resistance changes on transmission performance of magnetically coupled resonant wireless power transfer(MCR-WPT) system, output power and efficiency of the system are derived using equivalent circuit ...
SUN Xiangyu, GONG Lijiao, LI Hongwei, JIN Zhengwei   +3 more
doaj   +1 more source

Simulation and calculation of maximum transmission power for offshore wind plants accounting for the Electro-Magnetic transient process

Energy Reports, 2023
The offshore wind power industry is witnessing a shift towards larger scale and longer offshore distances, pushing the transmission capacity and transmission distance of submarine cables to their maximum limits.
Chunhua Li, Han Diao, Yijing Chen, Yabo Zhu, Shaowei Huang, Xiaowei Zeng, Zerong Zeng   +6 more
doaj   +1 more source

Analysis of maximum transmissible power in electrified railway system [PDF]

2016 International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC), 2016
The maximum transmissible electrical power concept is applied to different electrical railway systems. Different problems arise depending on whether the electrical system is using DC or AC system. A DC example illustrates how the power line loadability can be assessed.
Sourdille, Etienne, Ossart, Florence, Bigeon, Jean, Machet, Alexandre   +3 more
openaire   +1 more source

High-performance cost efficient simultaneous wireless information and power transfers deploying jointly modulated amplifying programmable metasurface

Nature Communications, 2023
Programmable metasurfaces present significant capabilities in manipulating electromagnetic waves, making them a promising candidate for simultaneous wireless information and power transfer (SWIPT), which has the potential to enable sustainable wireless ...
Xin Wang, Jia Qi Han, Guan Xuan Li, De Xiao Xia, Ming Yang Chang, Xiang Jin Ma, Hao Xue, Peng Xu, Rui Jie Li, Kun Yi Zhang, Hai Xia Liu, Long Li, Tie Jun Cui   +12 more
doaj   +1 more source

Maximum efficiency tracking design of wireless power transmission system based on machine learning

Energy Reports, 2022
For the typical magnetically coupled wireless power transmission system, power consumption is often caused by the impedance effect of the primary and secondary sides, the loss and heat generation of the actual semiconductor devices and the change of the ...
Zhiyong Huang, Tianhui Guan, Zhiming Wang, Jie Wei, Shiwei Wang, Man Liu, Daming Sun, Xiaoping Zeng   +7 more
doaj   +1 more source

Power electronics options for large wind farm integration : VSC-based HVDC transmission [PDF]

, 2006
This paper describes the use of voltage source converter based HVDC transmission (VSC transmission) system for grid integration of large wind farms over long distance.
Xu, Lie, Yao, Liangzhong, Lie Xu, Liangzhong Yao, Sasse, C., Christian Sasse, Xu, L., Yao, L., Sasse, Christian   +8 more
core   +1 more source

Impact of Conductor Temperature Time–Space Variation on the Power System Operational State

Energies, 2018
The conductor temperature of an overhead transmission line varies with time and space, which has an important impact on the system operation. In this paper, the conductor temperature is solved iteratively by the CIGRE heat balance equation.
Yanling Wang, Yang Mo, Mingqiang Wang, Xiaofeng Zhou, Likai Liang, Pei Zhang   +5 more
doaj   +1 more source

Optimum Design of Wireless Power Transmission Systems in Unknown Electromagnetic Environments

IEEE Access, 2017
This paper presents a design method for wireless power transmission systems in unknown electromagnetic environments. In a wireless power transmission system, several antenna elements are used for power transmitting and one antenna is utilized for power ...
Hucheng Sun, Wen Geyi
doaj   +1 more source