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WANG Shijun，HAO Quan，LI Wenlong
Abstract: In view of the problems of unstable operation waveforms，high output current stress andinstantaneous fluctuation difference of load in the current sharing control of two-way DC-DC converter in flexiblesubstation，a method of independent current sharing control of two-way DC-DC converter in flexible substatio...
更多Number of views：4979 Amount of downloads：10124
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LIU Qiwei，ZENG Jiang
Abstract：In view of the need to test the operation of power electronic equipment under various workingconditions in the current new power system，a control strategy using linear auto-disturbance rejection technologywas proposed to study the power grid simulator with line impedance simulation function. On this basis，i...
更多Number of views：2204 Amount of downloads：10116
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ZHAO Enlai，HU Yu，GUO Jun，SU Xinlei，LIU Pengyuan，YANG Jun
Abstract：In view of the fact that the original high-dimensional nonlinear power flow model cannot be appliedto the linear planning of distribution network，and the existing linear power flow model has the problem of weakuniversality，a calculation method of distribution network linear power flow was proposed consideri...
更多Number of views：2136 Amount of downloads：10113
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SU Jichen
Abstract: Due to the low efficiency of data processing and high export delay of intelligent measurementequipment in substation engineering，the construction progress of substation engineering is slow. Therefore，the data batch export system of intelligent measurement equipment in substation engineering was designed. T...
更多Number of views：5793 Amount of downloads：10079
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YAN Hao，BA Sang，GU Yi
Abstract: Insulation failure can cause motor turn-to-turn，phase-to-ground and ground-to-ground faults，ranging from equipment downtime，or endangering personal safety，resulting in catastrophic consequences. In order to be able to carry out online sensitive monitoring of the deterioration state in the early stage of tu...
更多Number of views：5660 Amount of downloads：10078
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SUN Yueyue，LI Mengda，PEI Guangyao，ZHU Hanghang，NING Han
Abstract：Since the compressed air energy storage system grid-connected inverter voltage is always influencedby voltage fluctuations of the power grid with little problem，for the sake of ameliorating the dynamic and stableperformance of the DC bus voltage of the inverter on the side of the grid and the actual output ...
更多Number of views：2582 Amount of downloads：10073
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WANG Baihuai，WUTong，ZHANGWeizheng，FANG Xuezhen，LIYingzhi
Abstract: In order to enhance the stability of power grid operation and improve power supply capacity of powergrid，a power supply capacity simulation method based on harmonic reactive compensation was proposed. Theharmonic data in the power network equipment was calculated through DIgSILENT/PowerFactory software，inc...
更多Number of views：5318 Amount of downloads：10064
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LUO Meiling，HAN Zhongxiu，YU Xiaojun，WU Jianyun，HUANG Weibing
Abstract：The islanding detection method is a necessary method for grid-connected PV systems，but，thecurrent islanding detection method is prone to misjudgement when encountering grid operation states such as highresistance short-circuit ground faults and large-capacity load casting. For this reason，an islanding detec...
更多Number of views：2253 Amount of downloads：10038
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HUANG Xu，LIU Yichao，ZHU Hanqing，LIU Yang
Abstract: The DC fault current calculation method of modular multilevel converter（MMC）is the key to studythe DC fault transient characteristics and isolate the fault point rapidly in VSC-HVDC grid. Firstly，aiming at twotypical MMC fault equivalent models，the topology and the capacitor voltage characteristics when th...
更多Number of views：5294 Amount of downloads：10019
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MA Zhiyuan，HUANG Haihong
Abstract: With the increasing popularity of renewable energy sources such as photovoltaics and wind power，improving the reliability and stability of grid-connected system operation has become a key technology in thesystem. Affected by the dynamic characteristics of the grid，if the traditional droop control is still ...
更多Number of views：4462 Amount of downloads：10018
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LIU Weizhi
Abstract: In high-power traction converter，SiC devices with many advantages such as fast switching speed，high temperature resistance and low switching loss are used to replace Si devices. The three-level active neutral-pointclamped（3L-ANPC）converter based on SiC devices can reduce the burden of heat dissipation syst...
更多Number of views：6097 Amount of downloads：10014
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LI Yanlei，ZHANG Xiaoyang，LI Xiaoling，LIU Wei，WANG Gang，ZHOU Gaowei
Abstract: Because traditional methods have problems such as poor control stability and low control efficiencyin the process of using unmanned aerial vehicle（UAV）to check obstacles in transmission channels，a transmissionchannel unmanned aerial vehicle motor auto-disturbance rejection control technology based on extre...
更多Number of views：5025 Amount of downloads：10008
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YANG Zhenshu，SUN Xiaozhe，YANG Jianzhong，MAO Qi
Abstract: The fault diagnosis technology of the flight electromechanical actuation system is of greatsignificance to improve the reliability of the aircraft actuation system and ensure the safe operation of the aircraft.Considering the problems and challenges encountered in the application of fault diagnosis technol...
更多Number of views：6769 Amount of downloads：10008
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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：2436 Amount of downloads：10002
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YIN Yongliang，WU Qiong，ZHANG Jianping，ZHANG Heng，CHENG Haozhong，ZHANG Xiaohu
Abstract: With the increasing scale of wind power installation and grid connection，the interconnection ofpower grids through tie lines can absorb wind power in a wider range，but the uncertainty of wind power output leads to an increase in the risk of system operation. Conditional value-at-risk（CVaR）was introduced in...
更多Number of views：4537 Amount of downloads：9982
