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LI Xin，LI Yundi，JIANG Jie，FU Xueguang
Abstract: In the process of using wireless power transfer（WPT）technology to charge batteries，constant current （CC）-constant voltage（CV）charging mode is adopted to ensure battery life and safety. Therefore，a hybrid topology of series-series（SS）and inductor-inductor-capacitor（LLC）topology was proposed. Based on the SS...
更多Number of views：2783 Amount of downloads：1754
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WANG Chun，WU Pengtao，GUO Bin，LÜ Jing，HUANG Hongwei，MAO Wenzhao
Abstract: In order to improve the efficiency of power grid equipment maintenance，an evaluation index ofequipment maintenance value based on Markov model was proposed，and an optimization decision method of power grid maintenance based on maintenance value evaluation was constructed. The value evaluation index of powe...
更多Number of views：2779 Amount of downloads：1589
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GUO Leilei，ZHU Linqiang，CAO Lingzhi，LI Yanyan，WANG Pengshuai
Abstract: The accurate estimation of rotor angle is an important prerequisite for realizing speed sensorless highperformance vector control of permanent magnet synchronous wind generator. In the speed sensorless control ofpermanent magnet synchronous wind generator based on disturbance observer，the traditional angle...
更多Number of views：2775 Amount of downloads：2262
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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...
更多Number of views：2764 Amount of downloads：1638
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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...
更多Number of views：2764 Amount of downloads：1592
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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...
更多Number of views：2762 Amount of downloads：1724
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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 ...
更多Number of views：2759 Amount of downloads：1705
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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...
更多Number of views：2758 Amount of downloads：1730
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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...
更多Number of views：2757 Amount of downloads：1826
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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...
更多Number of views：2756 Amount of downloads：1497
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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...
更多Number of views：2752 Amount of downloads：1477
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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...
更多Number of views：2749 Amount of downloads：1549
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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...
更多Number of views：2746 Amount of downloads：1704
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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...
更多Number of views：2736 Amount of downloads：1881
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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...
更多Number of views：2736 Amount of downloads：1498
