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YUE Yuanyuan,ZHANG Chao,YUAN Xingzhong,ZHU Anming, HUANG Zongjun,JIANG Bo,ZHANG Yuhan
Abstract: The spatial load of multi-power distribution network is easy to overload,which leads to thereduction of distribution network planning stability. A dynamic planning and optimization method of multi-powerdistribution network considering the spatial load layout was proposed. According to the equivalent topolo...
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Number of views:2688 Amount of downloads:1450
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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:2684 Amount of downloads:1348
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LU Shengzhi,CAO Junjie,ZHOU Feng,JIN Cheng,CHEN Zhenghua
Abstract: With the global energy and environmental problems becoming increasingly prominent,the regionalintegrated energy system(RIES)with multi-energy complementary characteristics is an effective solution. In orderto realize the comprehensive and reasonable evaluation of energy efficiency of the RIES,a detailed ev...
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Number of views:2680 Amount of downloads:1452
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ZHUANG Gewei,GU Zhen ,FENG Xiuqing ,DUANYan
Abstract: Automatic verification system of smart meter may be abnormal in the long-term operation process,but the regular manual detection method can not timely learn the risk information,shortening the period of manual inspection will reduce the work efficiency of automatic verification. In most cases,the sample da...
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Number of views:2680 Amount of downloads:1327
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CAI Wenbin,CHENG Xiaolei,NAN Jianan,LÜ Haixia,LI Ye,LI Jingyu
Abstract: With the proposed goal of achieving double carbon in China,a higher proportion of new energy willbe connected to the grid in the future. An analysis method was proposed for assessing the adequacy of flexibilityresources of power system with a high proportion new energy. The adequacy index of proposed flexi...
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Number of views:2680 Amount of downloads:1574
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LU Wu,ZHENG Renjie,ZHAO Wenbin,TANG Jiayuan
Abstract: Efficient and accurate short-term load forecasting is essential to the safe and stable operation of thepower system. A combined prediction model based on empirical mode decomposition(EMD)and gated recurrentunit(GRU)was proposed. First,the date factors ,meteorological factors and historical load factor were...
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Number of views:2671 Amount of downloads:1604
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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:2668 Amount of downloads:1377
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DING Runchu,SHI Shuhuai,ZHUO Fang,WANG Feng
Abstract: The application of DC transmission and distribution network faces a variety of complex designscenarios,among which there are DC/DC conversion requirements with unipolar input and really bipolar output. The bipolar output of this application scenario can easily lead to unbalanced output voltage when the loa...
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Number of views:2667 Amount of downloads:1496
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GUO Jinzhi,PAN Zijun,YUAN Shaojun,SUN Rongfu,DING Ran, XU Haixiang,WANG Jingran,WANG Longyang
Abstract: The maximum power point tracking(MPPT)technology of the photovoltaic power generationsystem is the great significance to ensure the output efficiency of the photovoltaic power generation system and thestability of the system. An MPPT control algorithm was proposed based on an improved conductance increment...
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Number of views:2666 Amount of downloads:1566
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LI Zhenbo,DAI Linwang,LI Shaolin,ZHANG Xueguang
Abstract: At present the mainstream of doubly-fed induction generators(DFIG)control mode is the currentsource type vector control mode,which is lack of independent of frequency and voltage support ability,but the voltage source type virtual synchronous machine control method can solve the shortcomings. In order to m...
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Number of views:2664 Amount of downloads:2128
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LI Zhe,LI Chengyuan,YUAN Yuan,CHEN Yujie,WANG Ziman
Abstract: Insulated gate bipolar transistor(IGBT)is widely used in the industry,but the IGBT junctiontemperature is easily affected by changes in operating conditions and the heat dissipation environment in which it islocated. Poor heat dissipation channels will cause the IGBT module to remain in a high temperature ...
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Number of views:2661 Amount of downloads:1434
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YE Hai
Abstract: Flexible DC power grid is an important way for efficient transmission of various types of renewableenergy. How to design an efficient reclosing strategy to make it have the ability of rapid recovery after fault is a keyproblem to improve the stability of the whole AC/DC power grid. According to the working...
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Number of views:2659 Amount of downloads:1339
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CHEN Linghan,LU Jia
Abstract: As the hub node in the energy internet,the transformer can adjust and control power quality,thenormal and stable operation of transformer is of great significance to the safe and stable operation of the energyinternet. In order to accomplish this objective,status assessment of energy internet transformer b...
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Number of views:2650 Amount of downloads:1344
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ZHOU Xuesong,GUO Kairui,MAYoujie,ZHONG Weibao
Abstract: Although the parallel connection of inverters in a microgrid system increases the system capacity,itcreates a circulation path which provides the conditions for the generation of zero-sequence circulating current(ZSCC). In order to solve the problem of system loss caused by ZSCC,a ZSCC controller was desig...
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Number of views:2634 Amount of downloads:1598
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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:2634 Amount of downloads:1450