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LI Yajun，HE Shan，HU Bing，XIE Shaohua
Abstract：Aiming at the problems of high investment cost，low efficiency of electrolyzer operation and highfluctuation of power input in the new energy electrolytic water to hydrogen microgrid system，the scenery hydrogen production capacity configuration scheme with the installation cost of microgrid equipment and the...
更多Number of views：453 Amount of downloads：705
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YANG Xiaochu，WANG Guanwen，LUO Guogan，XU Shipeng，ZHANG Dingwang
Abstract: The composition of the double-fed induction generator（DFIG）is complex，and its operation andmaintenance are difficult. Due to the relatively complex electromagnetic transient characteristics of the fault，theextraction quality directly affects the reliability of the fault detection results of the DFIG. Aimin...
更多Number of views：776 Amount of downloads：705
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CHEN Kun，SUN Kaiyuan，LIN Lin，WANG Meng，ZHENG Jiehui，LI Zhigang
Abstract: With the massive access of renewable energy sources and pluralistic load，it is bi-directionalbeneficial to update the distribution network topology. It can not only promote the consumption of renewableenergy and the satisfaction of new load demands，but also improve the rationality of urban distribution net...
更多Number of views：719 Amount of downloads：703
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MAYuefeng，ZHAO Suqi，WANG Kai
Abstract：Microgrid is an effective method to integrate a large number of distributed generators into the powergrid. Aiming at the optimal dispatch problem of microgrid，an optimal dispatch method based on proximal policyoptimization algorithm was proposed. Firstly，the optimal diapatch model of microgrid was construct...
更多Number of views：647 Amount of downloads：699
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ZHANG Guoqiang，LI Rundong，HUANG Yuanming，DING Dawei，WANG Gaolin，XU Dianguo
Abstract: Supply interruption may occur during the operation of permanent magnet synchronous motor（PMSM）in some special applications and it needs to be restarted in the rotating state which is called flying start，the accurate initial position/speed observation is the foundation of flying start. Aiming at the problem...
更多Number of views：1161 Amount of downloads：699
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TANG Junyi，DONG Xuetao，QIN Yanhui
Abstract: The large-scale grid connection of renewable energy with strong randomness and volatility and thenet load fluctuation caused by time sequence put forward higher requirements for the operation flexibility of powersystem. In order to quantitatively evaluate the operation flexibility capacity of power system，...
更多Number of views：744 Amount of downloads：699
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DONG Min，LIU Kezhen，ZHAO Qingli，CHEN Leidan，YAO Yue，ZHAO Xiong
Abstract: Under the "dual carbon" goal，the electric energy systems need to gradually develop towards theway of energy saving and low carbon. The integrated energy system（IES）is an important measure to solve energyand environmental protection problems. At present，the research on IES mainly focuses on distributed ener...
更多Number of views：781 Amount of downloads：696
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LIU Zhijian，ZI Chao，LI Pengcheng，GUO Cheng，LIU Jie，HUANG Wei
Abstract: Aiming at ultra-low frequency oscillation in power system caused by hydraulic turbine governingsystem，an additional damping control strategy for governing side was developed. Firstly，according to the damping torque method，the negative damping generated by the hydraulic turbine governing system was regarded...
更多Number of views：862 Amount of downloads：692
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YUAN Yisheng，HUANG Yikun，CAO Hui，HUANG Zhimin
Abstract：A bidirectional isolated resonant converter with variable mode and wide voltage range wasproposed. The proposed converter has the advantages of BOOST circuit and flyback current feed topology. Byreusing the pre-storage and flyback energy feedback of the resonant inductor，it can improve the gain from thebatt...
更多Number of views：603 Amount of downloads：688
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LIU Detao
Abstract: Due to the inaccurate power deviation and network loss results obtained by the energy storage powercontrol of the multi-source distribution network，the power control results are not ideal. A rational control method of energy storage power in multi-source distribution network based on ant colony algorithm w...
更多Number of views：628 Amount of downloads：687
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YANG Fan，WANG Huanmin
Abstract：With the development of power electronics technology，microgrid type energy storage inverters withvirtual synchronous generator（VSG）function have also been widely used. In VSG technology，due to the presenceof inertial frequency regulation loop and voltage regulation loop，the inverter can realize the grid fre...
更多Number of views：972 Amount of downloads：685
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LI Juan，WEI Yalong，ZHANG Shiqian，GONG Peijiao
Abstract：A three-phase four-wire energy storage type low-voltage control device with the function of gridvoltage unbalance compensation was designed. Firstly，a control method based on active voltage droop and constant power factor was introduced in detail to solve the problem of low voltage at the terminal of substa...
更多Number of views：496 Amount of downloads：681
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JING Qi，WANG Changkai，XU Fengxia，YU Liqi
Abstract: In high-precision applications，the control accuracy of the servo system is extremely high required.The control precision of the servo system depends largely on the precision of the feedback measurement. Positionand speed feedback accuracy can be improved by increasing the absolute accuracy of the encoder，a...
更多Number of views：874 Amount of downloads：677
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PENGTao
Abstract: The local leakage signal of high-voltage insulation equipment is weak and its characteristics are notobvious，which can only explain whether there is discharge. There is a phenomenon of missing judgment andmisjudgment in the actual positioning process，which is difficult to accurately locate the high-voltage...
更多Number of views：856 Amount of downloads：674
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FAN Enze，LI Yaohua，GE Qiongxuan，ZHAO Lu
Abstract：Under digital control，the inner current loop of the LC-type inverter is affected by the control delay，which leads to the weakening of its active damping effect. Increasing the sampling control frequency can effectivelyreduce the negative influence of digital control delay. Furthermore，in order to suppress t...
更多Number of views：892 Amount of downloads：673
