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HUANG Licai，YANG Xu，ZHANG Jing，LUO Chuanxian，CHEN Jia，ZHANG Guozhi
Abstract：In view of the frequent occurrence of omissions and false alarms of partial discharge insulationdefects in on-site gas insulated switchgear（GIS），the partial discharge multi-source detection test platform was built by using true GIS to carry out the intermittent discharge test of metal contamination defect o...
更多Number of views：1050 Amount of downloads：1880
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ZHAO Fajin，SHU Zhengyu，WANG Can，LIU Wencan ，HUANG Qiyun
Abstract：Accurate and efficient multi-load forecasting is of great significance for the operation control andscheduling of integrated energy system（IES），in order to improve the load forecasting effect，a integrated energysystem load prediction model based on least absolute shrinkage and selection operator（LASSO）and L...
更多Number of views：1043 Amount of downloads：1800
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LI Haoyuan，CHEN Guowei，LI Guanjun，WEI Lingfeng，LIN Da，WANG Xiangjin
Abstract：With the emergence of a large number of distributed power generations，various unbalanced andnonlinear loads are connected to the power grid，resulting in the distortion of the grid current，which brings adverse effects to both the power grid and electrical equipment. A multifunctional energy storage converter...
更多Number of views：1043 Amount of downloads：2422
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ZHOU Yi，FANG Wei，GONG Min，XIA Xuesong，CHEN Yanling，HAN Ni
Abstract：Despite bringing several benefits to modern power systems，distributed generation（DG）andmicrogrids cause a significant impact on the operation of power distribution networks，especially with regard to theprotection system. In this new scenario，the adoption of smart protection systems capable of incorporating ...
更多Number of views：1043 Amount of downloads：1845
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KE Ting，TIAN Songlin，ZHOU Hai
Abstract：In order to solve the problem of low accuracy of small substation fault diagnosis，a small substationfault diagnosis model based on cooperative game and cloud model was proposed. By analyzing the characteristicsand causes of faults，the diagnosis index system was established. Entropy method and expert weighti...
更多Number of views：1043 Amount of downloads：2346
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ZHU Yuanzhe，WANG Ling，WU Zhengrong，LÜ Hong，XIAO Fan
Abstract：In order to further improve the output performance and efficiency of the converter，a grid-connectedconverter based on heterogeneous device mixing was proposed，referred to as heterogeneous grid-connectedconverter（HGCC）. The HGCC consists of two half-bridge modules based on SiC MOSFET devices，which arecross-c...
更多Number of views：1041 Amount of downloads：2247
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FANG Yong，SONG Tao，GUO Ziqiang，WANG Jian，GUO Jie
Abstract：With the continuous development of renewable energy sources and the increasing share ofrenewable energy in the grid，optimal coordination of maintenance work becomes increasingly important in order to ensure the safety of power supply in power systems considering renewable energy access. Current tools formai...
更多Number of views：1033 Amount of downloads：1986
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SUN Mengen，GONG Haiming，ZHAO Jie，SUN Rongrong，LU Huiwen，WANG Hui
Abstract：Accurate topology and line parameter information is the basis of state estimation and securitycontrol of distribution network. Affected by the performance of collection terminals and environmental factors，themeasurement error of metering equipment often deviates from Gaussian distribution. Higher requiremen...
更多Number of views：1031 Amount of downloads：2268
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ZHAO Chencong，XIE Zhouhua，ZHOU Feihang
Abstract：Unbalanced grid voltage will affect the normal grid connection operation of the wind energyconversion system（WECS），resulting in fluctuations in system output power and distortion of output current. Inaddition，in the actual permanent magnet synchronous wind power system，there may be uncertainties in thenetwo...
更多Number of views：1030 Amount of downloads：2599
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JIANG Yang，CHEN Zhong，WU Yongkang
Abstract：The permanent magnet synchronous generator（PMSG）is prone to current overstep in unbalancedgrid，which affects the reliability of grid-connected system. To solve this problem，low-voltage ride-throgh controlstrategy based on direct power control was proposed. In this strategy，the direct power inner loop was us...
更多Number of views：1029 Amount of downloads：1897
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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 ...
更多Number of views：1020 Amount of downloads：1787
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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-...
更多Number of views：1020 Amount of downloads：2784
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XU Can，MIAO Shuwei
Abstract：Wind turbine condition monitoring and wind power prediction both rely heavily on power curves.Firstly，to increase the modeling accuracy of wind turbine power curves，the random forest technique was used toscreen the important variables that influence wind energy capture ability. Then，the screened variables w...
更多Number of views：1017 Amount of downloads：2035
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SHENG Jie，GUO Tiantian，JIA Kaili，ZHU Jianfeng，YUAN Yuan，WANG Qi
Abstract：The grid frequently exhibits weak grid characteristics because the impedance fluctuation range ofthe collector network is broad in high permeability distributed generation system. The coupling relationshipbetween the phase-locked loop and the grid impedance leads to desynchronizing between the grid-followin...
更多Number of views：1016 Amount of downloads：2283
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ZHAO Faping，SHE Yanjie，SUN Huanyu，BU Xiangzhou，BAI Tao
Abstract：A sliding mode linear self disturbance rejection control strategy was proposed to address the outputvoltage fluctuations caused by sudden load changes，changes in DC bus voltage，disturbance addition，and otherdisturbances in three-phase interleaved parallel DC-DC converters. Firstly，a mathematical model of th...
更多Number of views：1016 Amount of downloads：2335
