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XU Yelin,LU Xinqiang,ZHAO Ang,MA Li
Abstract: A cooperative control method for multi-port energy routers in distributed distribution networks wasproposed. Under the premise of power balance and bus voltage stability,seamless switching of various workingmodes of multi-port energy routers was realized to ensure the security and stability of distribution...
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Number of views:2888 Amount of downloads:8276
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WANG Yingjie,ZHOU Hailan,CHEN Yongfa,BAI Feiying
Abstract:When the switching frequency of the four-quadrant rectifiers in different multiple units deviates,thecurrent will experience low-frequency oscillation,which is not conducive to the operation of the traction powergrid. Therefore,a matrix small-signal modeling method for SPWM comparators was proposed to analy...
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Number of views:2885 Amount of downloads:13993
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ZHOU Yufan,GAO Hui,LONG Yi
Abstract:To cope with the impact of electric vehicle(EV)charging loads on the power grid and achieve abalance of interests between the power grid,charging station and users,a customized charging strategy for EVs that takes dynamic electricity prices into consideration was proposed. Initially,the dynamic pricing mech...
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Number of views:2872 Amount of downloads:7996
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SONG Zhuoran,DOU Wenlei,LI Jianfeng,JIANG Tao,LU Sichen,JI Hansong
Abstract: In order to improve the operation economy of the distribution system with multiple industrial parksand restrain the power fluctuation of the distribution-micro tie line,a multi-time scale optimization schedulingstrategy for the distribution system with multiple industrial parks was proposed based on the ro...
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Number of views:2864 Amount of downloads:9431
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LI Mingke,ZHONG Jinxing,XUE Yan,XIONG Xiaosheng,LIU Junwei,DENG Lina
Abstract: In order to effectively manage the grid short-circuit current overrun problem,optimization decisionmaking evaluation method of short-circuit current limitation scheme based on hybrid decision model considering asymmetric closeness was designed. Considering the relevant influence of the short-circuit curren...
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Number of views:2862 Amount of downloads:8985
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HUANG Feng,CUI Zhimei,HUANG Zhidu,JIANG Shengchao,FENG Bo
Abstract: In order to evaluate the safety status of transmission lines scientifically and objectively,a safetyanalysis model of transmission lines based on support vector machine-back propagation(SVM-BP)hybrid networkwas proposed. Firstly,the weather data,transmission line standard documents and defect data were pro...
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Number of views:2861 Amount of downloads:7931
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QIU Guihua,TANG Zhirui,CHEN Yuting
Abstract:Aiming at the challenges of data heterogeneity and multi-source in distribution networks,a selfsupervised multi-source measurement data fusion method based on coding-decoding attention mechanism wasproposed. This method automatically captured the correlation between data through self-supervised learning,and...
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Number of views:2860 Amount of downloads:10769
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LIU Yanlong,HAN Pingping,CHEN Xiaoguang,GUO Jialin
Abstract:With the increasing penetration of new energy equipment,while alleviating the environmentalproblems caused by fossil energy,it also increases the frequency instability of the system. Photovoltaic(PV)andother new energy equipment to participate in the grid frequency regulation is an effective way to improve ...
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Number of views:2857 Amount of downloads:7186
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XIAO Quan,ZHOU Xiaoshan,WANG Ruiqing,LIU Yuqi,ZHAO Xianyuan
Abstract: The excitation control module of synchronous generator is the key equipment for power productionand safe operation,and the localization rate of its key materials is low. Based on the control performance of thesynchronous generator excitation control module,starting from the research of chip independent con...
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Number of views:2855 Amount of downloads:7753
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LI Bingran,FU Hongquan,CHEN Xi
Abstract: Aiming at robust control of six-phase copper rotor induction motors(SpCRIM)under uncertaindisturbances,a new backstepping control strategy based on advanced ant colony optimized(AACO)recursiveRomanovski polynomial neural network(RRoPNN)was proposed. Based on the theory of backstepping controltheory,the con...
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Number of views:2849 Amount of downloads:7947
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WAN Xiaojian,WAN Zibo
Abstract:A rotor position detection strategy based on virtual neutral point was proposed to realize positionsensorless control of BLDC motor. Through the three-phase terminal voltage with the same value of three resistancesstar connection to construct a virtual neutral point,the relationship between the virtual neut...
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Number of views:2845 Amount of downloads:8034
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LIU Xin,WEI Lixin,ZHANG Feng
Abstract:In addressing the issue of the electrical drive system of oil drilling rigs encountering instability inactuator output due to interference from multi-source random noise,a novel approach was proposed. The Fractaltheory was utilized to isolate random noise in the drilling rig electrical control system. The p...
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Number of views:2844 Amount of downloads:16088
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YANG Fan,WANG Huanmin
Abstract:With the development of power electronics technology,microgrid type energy storage inverters withvirtual synchronous generator(VSG)function have also been widely used. In VSG technology,due to the presenceof inertial frequency regulation loop and voltage regulation loop,the inverter can realize the grid fre...
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Number of views:2836 Amount of downloads:9425
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ZHANG Junlin,NI Lianghua,SUN Jia,LÜ Ganyun,ZHANG Jinhua
Abstract:In order to intervale evaluate saddle node bifurcation points(SNB)in a power system during loadgrowth quickly and accurately,a quadratic approximation method to directly calculate the power system voltagecollapse point of was proposed. Based on the approximate quadratic PV-curve of output PQ nodes in the sy...
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Number of views:2834 Amount of downloads:9492
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HU Dong,HU Jingtao,ZHANG Wentao,LÜ Feichun,WU Xu
Abstract: Photovoltaic(PV)power generation is an important power generation method to achieve the goal ofcarbon neutrality. During the grid connection of PV power generation system,due to the characteristics of inverterand the influence of nonlinear load,high-order harmonics are generated,the power quality of the po...
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Number of views:2830 Amount of downloads:10232