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ZHAO Aibo,LI Zihao,WANG Zixuan,LI Junhui,MA Siyuan
Abstract:Aiming at the problems of insufficient stability and low power generation efficiency of the existingpower supply means for offshore ocean observation equipment,and low power density of direct drive wave energypower generation device due to the low running speed of ocean waves,it proposed to apply the magnet...
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Number of views:2259 Amount of downloads:9062
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TANG Aiwu,CHEN Tianyou
Abstract:In order to effectively adjust and control the motion amplitude of the flexible manipulator and avoidlarge deviation between the actual motion track of the flexible manipulator and the target track,a flexiblemanipulator motion track control system based on the combination of distributed control system(DCS)a...
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Number of views:3252 Amount of downloads:9052
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DING Yi1,LIU Shengzhong,WANG Xudong,HUO Xianxu,HU Zhigang,JIANG Fan
Abstract: The estimation method of state of health(SOH)of lead-acid battery based on chaotic particle swarmoptimization-Gaussian process regression(CPSO-GPR)was proposed. Firstly,the voltage and current curves of leadacid battery during charging process were investigated,and the characteristics of constant current c...
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Number of views:4976 Amount of downloads:9050
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SHEN Yuming,GUI Xu,JIANG Guifen,XU Jiayin,FENG Peiru,LI Kun
Abstract:As the penetration rate of new energy in the power system continues to increase,the large-scale gridconnection of wind power is one of the important factors affecting the stable frequency operation of the powersystem. Configuring energy storage can provide transient frequency support for the system,improve ...
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Number of views:2431 Amount of downloads:9044
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LI Chengyuan,ZHANG Chao,LI Zhe,LIU Bochang,GAO Jing,JIN Pengfei
Abstract: Due to the small capacity and weak regulation energy of island grid,it is very easy to cause systemcollapse. When the isolated grid collapses,it is necessary to establish the grid through its internal black start powersupply without relying on the external public grid. In recent years,with the rapid develo...
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Number of views:5320 Amount of downloads:9044
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CHEN Zhixiu,LIU Yang,ZHANG Hanshu,XIAYe,WANG Hao,LIU Xin
Abstract: In the period of high and new technology development,the application of SiC and other newsemiconductors promotes the development of PCB design toward integration and high efficiency. The new ideas were provided for PCB design optimization from two aspects of high frequency and high density. Among them,ther...
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Number of views:5486 Amount of downloads:9036
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FU Xuhui,FANG Chun'en,XUE Tao,HUANG Leichao,CHEN Junping
Abstract: In order to ensure that the thyristor valve body can be accurately conducted during the solid state switch switching,a solid state switch trigger control unit was designed. Firstly,the structure and working principle of the solid state switch and the structure and function of the trigger control unit were ...
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Number of views:6132 Amount of downloads:9033
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YAN Chengshan,QIU Mingquan,ZHANG Lijun,ZHANG Guorui,WANG Chunlei
Abstract: Aiming at the problems of regional large-scale photovoltaic construction and access,as well as thelack of control of existing distributed energy,the construction and operation control method of microgrid groupwere put forward,which extracted a three-level and two-stage coordination and interaction system s...
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Number of views:2789 Amount of downloads:9032
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ZHAO Jingjing,CHEN Linghan
Abstract: The penetration rate of renewable energy in the island AC microgrid was relatively high,and itssystem inertia was relatively low. The primary frequency regulation during island operation mainly relies onequipment such as diesel engines and energy storage. Using the fast adjustment characteristics of energy...
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Number of views:3314 Amount of downloads:9023
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ZHOU Liying,XIA Changhao
Abstract: Three-phase bridge converters(TPBC)are widely used in low-voltage power distribution networksto compensate the negative-sequence current and the reactive current. Because of the relatively high costs,improving the compensation effect of limited capacity equipment has high economic value and research signif...
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Number of views:5749 Amount of downloads:9021
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REN Xuan,CHEN Tong,DONG Lizhi,HUANG Lingtong,ZHANG Mingxia
Abstract:When a large number of energy storage devices are integrated into the power grid through a virtualsynchronous generator(VSG),improper selection of control parameters in traditional fixed inertia and dampingcontrol strategies can lead to long adjustment times or large overshoot,and fail to fully leverage the...
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Number of views:3336 Amount of downloads:9019
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LI Hongqiang,LU Guangming,ZHOU Lei,WEI Yawei,ZHANG Hanhua,MA Jing
Abstract: In order to improve the inertia support ability of grid-connected converter of new energy based onDC capacitor energy virtual inertia control to the power system,an adaptive virtual inertia control method based onlinear quadratic regulator(LQR)was proposed. On the basis of analyzing the dynamic characteris...
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Number of views:2450 Amount of downloads:9016
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WANG Yanjie,LIN Chaobin,XU Guozhi,LI Qingyao,ZHANG Zhenye,HU Kun
Abstract:To adapt to the construction of a novel power system with new energy as the main body,it isnecessary to continuously improve the new energy consumption capacity of various voltage-level power grids.Through the research on the influencing factors and improvement methods of new energy consumption capacity ofd...
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Number of views:2105 Amount of downloads:9000
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TONG Zhan' anxin,SU Jianhui,ZHANG Jian,DU Yan
Abstract: The requirements for wireless charging of automated guided vehicle(AGV)batteries are low voltageand high current,full-wave-synchronous-rectification(FWSR)can improve efficiency and reduce costs. Firstly,AGV wireless charging topology and working principle were introduced in detail. Secondly,aiming at the p...
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Number of views:3706 Amount of downloads:8996
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WANG Yajing,ZHANG Shuai,JIANG Han,SONG Hongliang
Abstract: In order to improve the carrying capacity and resilience margin of the distribution network systemcontaining microgrid,a topological resilience optimization model of the distribution network system containingmicrogrid was established to achieve the resilience optimization objective of the distribution netw...
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Number of views:2844 Amount of downloads:8992