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WEI Xin,LI Yubo,ZHANG Yun
Abstract:Currently,the optimal modulation strategies for SS resonant networks under different operatingconditions have not been fully explored. Therefore,the optimal modulation strategy of SS resonant network wasinvestigated in low-power situations to improve the transmission efficiency and charging stability of the...
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Number of views:1268 Amount of downloads:5981
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YANG Yong,ZHANG Xujun,LIU Wenfei,NIU Haoming,ZHAO Jinguo,YANG Rui
Abstract:The integration of new energy units on a large scale has introduced numerous adverse effects on thestability of system operation. Analysis of mechanisms and identification of impedance characteristics in gridconnected inverter(GCI)for new energy units are key to effectively addressing these issues. Therefor...
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Number of views:958 Amount of downloads:5637
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ZHANG Xing,LIU Pingfei,ZHANG Liuli,ZHANG Yuwei,JIN Yu,XIAO Qian
Abstract:Under the promotion of carbon peak and carbon neutrality,in order to effectively reduce the carbonemissions of distributed generators in islanded AC/DC hybrid microgrid clusters,a distributed low-carbon controlstrategy was proposed. Firstly,the topology of the islanded AC/DC hybrid microgrid cluster was giv...
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Number of views:1507 Amount of downloads:5548
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YANG Le,ZHU Ying,HUANG He,WANG Wei,JIANG Wei,SU Xiaoyun
Abstract:In China,the ascendancy of new energy sources such as photovoltaic and wind power,alongside the proliferation of DC loads within the power system,has propelled hybrid AC/DC distribution networks to theforefront of power distribution system evolution. However,the extant assessment framework for distributionn...
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Number of views:1370 Amount of downloads:5496
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ZHU Jin,JIANG Ye,ZHONG Chonglei,XU Weihe,MAO Feng,DAI Yongzheng
Abstract:The resilience capacity of farm distribution networks primarily stems from distributed generators,such as photovoltaic and biogas systems,to withstand disturbances and facilitate load recovery as microgrids during system failures. However,the dynamic characteristics of distributed generators and the cascadi...
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Number of views:1055 Amount of downloads:5475
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JIN Yongchun,CHEN Li,ZOU Yusheng,DUAN Chengwu,YAO Jian
Abstract: Due to the advantages of high efficiency,wide speed range,high torque density and great controlperformance,permanent magnet synchronous motors(PMSM)have been widely used in driving systems of electric vehicles(EVs). However,as the increase of power density,the problem of temperature rise caused by loss hea...
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Number of views:3657 Amount of downloads:5431
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ZHONG Jie ,YAN Xiaoxia,HU Hua,WANG Zhao,ZHU Bingxu
Abstract:The electrified railways system is a complex system of traction power supply system and traincoupling. In order to ensure the safe operation of trains under complex working conditions,it is necessary toidentify the disturbance of the vehicle-network coupling system in a timely and accurate manner. To solve ...
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Number of views:1428 Amount of downloads:5365
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LIU Zhen,ZHU Zimin,WANG Xiaoyun,NAN Dongliang,DUAN Yu,WU Xiaofang
Abstract:As the penetration of renewable energy in power systems increases,converter-based devices aregradually becoming dominant in the grid. In terms of system frequency stability support,grid-forming converters,which can provide both active inertia support and fast frequency response services,hold great potential...
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Number of views:1666 Amount of downloads:5364
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WANG Zhifu,SUN Qingle,LI Haolong,WANG Xu,GUO Yifeng,LIANG Changchun,WANG Rui
Abstract: With the development of motor drive system of new energy vehicle and the increase in complexity and integration,testing of motor drive system has become an important part of vehicle development. But high-power motor drive testing is more difficult and has higher risks,especially for motor control system,tr...
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Number of views:5815 Amount of downloads:5347
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XU Haijia,MIAO Shuwei
Abstract:Aiming at the vibration problem of wind turbine towers caused by natural factors or actions of windturbine components,a wind turbine tower vibration warning model based on fuzzy inference optimization wasproposed. Firstly,based on the data from the wind turbine supervisory control and data acquisition(SCADA...
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Number of views:1009 Amount of downloads:5260
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CHEN Zhong,WU Yongkang,JIANG Yang,WU Fuchao
Abstract:An optimization control strategy based BPA for doubly fed wind turbines under asymmetric faultridethrough was proposed to address the issue of low accuracy of control strategies under asymmetric faults,inorder to obtain more accurate fault control model parameters for doubly fed wind turbines under asymmetr...
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Number of views:1078 Amount of downloads:5173
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LI Zewen,FAN Yuanliang,CHEN Weiming,WANG Shaopeng,LIN Jianli,LI Lingfei
Abstract:In the distribution network of the new power system,due to the access of a large number of newenergy power generation devices,the power supply side output of the distribution network becomes unstable andloses control ability. In order to deal with a series of problems such as the difficulty of photovoltaic ...
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Number of views:1098 Amount of downloads:5117
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FENG Kan,ZHANG Lezhen,ZHOU Long,HOU Yanlun,NIU Wei,BAO Chengjia
Abstract:An improved virtual impedance strategy with adaptive reactive power equalisation and bus voltagecompensation functions was proposed to address the reactive power equalisation and bus voltage drop issues inparallel inverters in island microgrids. By introducing an enhanced power decoupling strategy based on ...
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Number of views:1319 Amount of downloads:5045
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LIU Tao,CAI Xu,SUN Guoqi,WEI Xiaobin,CAO Yunfeng,ZHANG Lingyan
Abstract: As traditional condenser is replaced by static var generator(SVG),the dynamic reactive powercompensation can be provided by SVG. However,compared with traditional condenser,SVG lacks rotational inertia.Traditional research of SVG mainly focused on reactive power compensation and fault ride-through,and ther...
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Number of views:4399 Amount of downloads:4999
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ZHOU Jinghua,YAN Tianle,GUO Leixuan,ZHANG Xiaowei
Abstract: With the high penetration rate of new energy power generation in microgrids and the application ofhigh proportion of power electronic equipment,coupled with the access of a wide variety of loads such as unbalanced and non-linear loads and energy storage device,the power quality problems in microgrids have ...
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Number of views:4423 Amount of downloads:4923