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ZHANG Hao,WANG Xuanyuan,NING Bo,LIU Zhen,LIUYa,HUANG Hongwei
Abstract: In order to improve the actual utility of power electricity package decision and avoid the default riskcaused by blind choice,the response stability of power users according to their purchase contract was studied ,apeak-valley power electricity package decision-making method considering response stability ...
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Number of views:2543 Amount of downloads:1283
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YANG Liping,WANG Haiyun,DING Dong,YU Xijuan,WANG Liyong,WU Honglin
Abstract: At present,there are some problems in line loss fault detection of electric quantity informationacquisition equipment,such as low detection rate,poor applicability and so on. An automatic line loss faultdetection method for electric quantity information acquisition equipment was proposed. By determining th...
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Number of views:2384 Amount of downloads:1207
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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:3260 Amount of downloads:2087
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MA Xiaolu,WANG Zhixiong,DUAN Yanmin,ZHANG Lei,WU Yi,QI Zhuoya,HOU Jue
Abstract: The significance of promote high-efficiency motor and motor system in China was analyzed bymeans of literature research,questionnaire survey and enterprise survey. Policies and measures for the promotion of high-efficiency motors and motor systems were sorted out. Conduct market research on high-efficiency...
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Number of views:3279 Amount of downloads:1863
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GAO Ruiteng,WANG Shuhong,WU Hao,LI Jiabin,CAO Jianwen,WU Pan,ZHANG Ailing
Abstract: A no-load grid-connected voltage phase control method of the brushless doubly-fed inductiongenerator(BDFIG)based on the control winding flux was proposed,the control system structure block diagram was constructed according to the mathematical model and control strategy of BDFIG. The hardware circuit of the...
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Number of views:2550 Amount of downloads:1334
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SHEN Jiexin,LIU Lei,HE Dandong,LIU Zhenguo,CHU Houguang,MA Hanchao
Abstract: When the current method is used to control the DC transformer of the DC-DC converter,thecontrol efficiency is low,the immunity is poor,and the loss detection error is large. In order to solve the existingproblems,a DC transformer control method based on the SRDAB DC-DC converter was proposed. By analyzingt...
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Number of views:2571 Amount of downloads:1378
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TIAN Kai,YU Zhibin,YUAN Yuan,CHU Zilin,SUN Chuanjie,YANG Jingran
Abstract: A fine dead-time compensation method based on the medium voltage three-level IGCT outputfiltering topology was proposed to realize the real-time calculation and compensation of the dead-time effect of theinverter output. Based on the topology of the output filter,the transfer function was established,and t...
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Number of views:2575 Amount of downloads:1313
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WANG Haiyan
Abstract: In order to reduce voltage overshoot of DC/DC converter and suppress chattering,a sliding modecontrol method based on improved variable speed reaching law was proposed. The improved variable speed reaching law inherited the advantages of variable speed reaching law and adjusted approach speed with system s...
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Number of views:2516 Amount of downloads:1339
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DAI Yanwen,YU Aiqing
Abstract: In order to improve the reliability of microgrid operation and renewable energy power absorbability,a capacity optimization allocation method of energy storage system based on improved nondominated sortinggenetic algorithm Ⅲ( NSGA-Ⅲ )was proposed. Firstly ,a two-layer optimization model of energy storageco...
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Number of views:2506 Amount of downloads:1351
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ZHANG Jinbo,YIN Yuan,SHI Jian,LIN Shaoyuan,YAN Lei,HUANG Xiaoyu, LIN Yubin,YANG Dishan,CHENG Nuo
Abstract: In order to reduce the measurement error of transmission line crossing distance and reduce theoccurrence rate of transmission line accidents,a method of transmission line crossing distance measurement basedon grid information model was proposed. The platform of crossing distance measurement including data ...
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Number of views:2626 Amount of downloads:1378
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ZHANG Mingke,QIU Xiaoyan,SUN Xu,ZHANG Zhirong,REN Hao
Abstract: The growing electric vehicle(EV)charging load will produce significant impact on safe operationof distribution networks. The accommodation capability of EV charging load in traditional AC distributionnetworks is limited. AC/DC distribution networks with multi-terminal voltage source converter interconnecti...
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Number of views:2562 Amount of downloads:1256
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CHEN Bojian,XUN Chao,LIN Chaoqun,XIAO Fen,LIN Keyao,WU Xiangyu
Abstract: The loss rate is an important indicator to measure the technical operation level and economicoperation level of the power system. In response to the actual needs of the distribution network in management andtechnical loss reduction,based on loss statistics and theoretical calculations,a short-term loss cha...
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Number of views:2453 Amount of downloads:1253
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HUANG Jialing,LIN Shunfu,ZHAN Yinfeng,LIU Chitao,LI Dongdong
Abstract: Aiming to the non-intrusive load monitoring(NILM)of residential households,a method of loadprofile decomposition based on the appliance switching events and the long short-term memory networks(LSTM)was proposed. The difference-summation algorithm was performed on the total active power data of a residentia...
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Number of views:2413 Amount of downloads:1310
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YU Zhongan,CHEN Miao,DING Wensu,LIN Shangrong
Abstract: The traveling wave fault location of traditional double-circuit transmission lines are mainly studiedon the model with symmetric parameters. In order to solve the problem of traveling wave fault location of doublecircuit lines on the same tower with asymmetric parameters in engineering practice,a fault loc...
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Number of views:2523 Amount of downloads:1183
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YANG Chengshun,LIU Guofu,DAI Yuchen,ZHANG Dongdong,HUANG Xiaoning
Abstract: An adaptive cooperative control strategy based on improved virtual synchronous machine(VSM)technology was used to improve the traction power supply system of urban rail transit. Firstly,the improved VSMwas used as an one-time control to make the urban rail trains have the external characteristics of synchr...
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Number of views:6059 Amount of downloads:4065