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LI Yajun,HE Shan,HU Bing,XIE Shaohua
Abstract:Aiming at the problems of high investment cost,low efficiency of electrolyzer operation and highfluctuation of power input in the new energy electrolytic water to hydrogen microgrid system,the scenery hydrogen production capacity configuration scheme with the installation cost of microgrid equipment and the...
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Number of views:331 Amount of downloads:177
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ZHAO Enlai,HU Yu,GUO Jun,SU Xinlei,LIU Pengyuan,YANG Jun
Abstract:In view of the fact that the original high-dimensional nonlinear power flow model cannot be appliedto the linear planning of distribution network,and the existing linear power flow model has the problem of weakuniversality,a calculation method of distribution network linear power flow was proposed consideri...
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Number of views:330 Amount of downloads:271
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CHEN Sisi,LI Zhigang,ZHENG Jiehui
Abstract:The energy flow analysis method with both high precision and high computational efficiency is abasic tool to simulate the operation and analyze the interaction between the thermal and electric coupling systems.The traditional iterative numerical method is slow in computation,poor in computability for large-...
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Number of views:327 Amount of downloads:236
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ZHUYanxiang,LIN Hong
Abstract:Aiming at the problem of insufficient frequency modulation capability of direct-driven wind turbineunder traditional virtual inertia control,a control strategy of super capacitor assists direct-driven wind turbineparticipating in frequency modulation was proposed to improve the frequency stability of power ...
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Number of views:325 Amount of downloads:204
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SONG Pengfei,WANG Maxiang,YANG Guixing,LI Jichen,KANG Pengpeng,WEN Shenghan
Abstract:To enhance the economic and operational flexibility of accompanying energy storage facilities innew energy power stations,as well as to improve the stability of supplying electricity directly to large users and thegrid-friendliness of large-scale new energy power stations,a two-stage robust configuration an...
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Number of views:324 Amount of downloads:194
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CHEN Chen,DONG Pingxian,SONG Xiaofan,GUO Fang,QI Huanruo,DU Xiaotong
Abstract:After the distributed wind farm stations are integrated into the distribution network,due to thecharacteristics of wind farm short-circuit current amplitude control and frequency offset,the traditional three-stagecurrent protection of distribution network is difficult to accurately identify the fault on the...
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Number of views:322 Amount of downloads:216
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ZHU Changlin,TU Qunzhang,JIANG Chengming,WANG Shijiao
Abstract:The synchronization accuracy of a multi-motor speed synchronization system is influenced by themotor control algorithm and synchronization control strategy. In response to the shortcomings of existing controlstrategies,a mid-range deviation coupling control strategy for multi-motor speed synchronization sys...
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Number of views:319 Amount of downloads:235
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GUO Shaokang,CHENG Zhijiang,XIAO Shihao,LI Lingqi,CHEN Xingzhi
Abstract:Aiming at the challenge of demand response uncertainty to the safe and economical operation ofintegrated energy system,a cooperative optimal scheduling model of multi-region integrated energy systemconsidering thermal pipe network transmission and demand response was proposed. Firstly,the energy transmissio...
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Number of views:314 Amount of downloads:195
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WANG Yuning,YANG Chengshun,HUANG Xiaoning
Abstract:In response to the poor disturbance rejection performance and issues of parameter perturbation andcontrol precision in traditional control strategies for interior permanent magnet synchronous motors (IPMSM),afuzzy sliding mode control strategy based on the super-twisting disturbance observer was proposed. T...
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Number of views:312 Amount of downloads:214
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SUN Heyu,JI Baowei,WEI Yushan,FANG Weihan,WANG Yangyang
Abstract:In response to the problem of slow response speed of main steam pressure in the coordinated controlsystem of thermal power units,the control effect of the coordinated control system was improved by blowing outsome of the stored powder in the pulverizing system. Based on the traditional milling system model,...
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Number of views:310 Amount of downloads:241
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WAN Jiangkun,SUN Yanchao,SONG Pengyu,NIU Zenong,HUANG Wenxin
Abstract:The traditional three-loop position control applied in the servo system with elasticity causesresidual vibration around the objected position and has long trailing time. To address this issue,a mathematicalmodel of the two-inertia system was established,and the causes of low-damping of the traditional posit...
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Number of views:309 Amount of downloads:188
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LIAO Zhijun,HUANG Liying,CAO Yun,TIAN Junling,RONG Na
Abstract:In the context of dual carbon,carbon trading mechanism and various energy complementary powergeneration mechanism are important mechanisms for China to achieve carbon emission reduction goals andsustainable development. A multi-energy system optimization model was proposed that takes into account carbontrad...
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Number of views:306 Amount of downloads:233
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HUANG Zhaobin,ZHANG Zhijian,LONG Tan,HU Bin,LIU Wenlong,WANG Gaolin
Abstract:When the Vienna rectifier is connected to unbalanced loads operating under light load conditions,the slight power difference causes unbalanced voltage of bipolar DC bus,which increases the voltage stress on theswitching device and DC-link capacitance. To solve the above problems,a DC offset reduction of neu...
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Number of views:304 Amount of downloads:210
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LI Juan,WEI Yalong,ZHANG Shiqian,GONG Peijiao
Abstract:A three-phase four-wire energy storage type low-voltage control device with the function of gridvoltage unbalance compensation was designed. Firstly,a control method based on active voltage droop and constant power factor was introduced in detail to solve the problem of low voltage at the terminal of substa...
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Number of views:302 Amount of downloads:299
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CHEN Xuling,LIU Cheng,XU Xinwei,DONG Shuo,TIAN Ting
Abstract:Taking the planar rotation mechanism as an example,a magnetic coupling wireless powertransmission system was designed and studied from two perspectives:the spatial structure of the coils and theresonant compensation circuit. This system aimed to reduce the voltage fluctuations caused by significant changesi...
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Number of views:302 Amount of downloads:190