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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：3674 Amount of downloads：5965
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DONG Yue，LI Linwei，LI Feng，ZHAO Xianghua
Abstract：Low frequency transmission was adopted in the sending end of wind power farm，in order to reduceline impedance and charging current of distributed capacitance，improve the static stability limit and transmissioncapacity. Compared with using flexible DC converter valves to send power and connect to grid，modula...
更多Number of views：1490 Amount of downloads：5964
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YANG Zhaohui，WEI Huadong，HE Liuqing，ZHANG Hao，PENG Guoping，SHI Ben
Abstract：Aiming at the problem of large switching loss of modular multilevel converter（MMC），startingfrom the switching frequency optimization strategy，the existing switching frequency optimization strategy wasimproved，and the accurate analytical formula of sub-module capacitor voltage based on the real-time value of...
更多Number of views：1887 Amount of downloads：5963
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TAO Li，YANG Xiaxi，GU Jinhui，WEI Bingbing，ZHANG Lin，WANG Jianing
Abstract: Virtual power plant（VPP）can integrate distributed energy resource（DER）to participate in theoperation of power market and auxiliary service market，and provide management and auxiliary services fordistribution network and transmission network. Its operation and control have been widely concerned. Aiming at t...
更多Number of views：2193 Amount of downloads：5956
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JIANG Jian，XU Fengliang，WANG Fayi
Abstract：Reasonable planning of the active distribution network is an important part to improve the windenergy accommodation capability，however，the overuse of the wind power output and load timing characteristicsincrease the difficulty of model solving and have adverse effects on the optimal results. The Latin hyper...
更多Number of views：1860 Amount of downloads：5952
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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：2002 Amount of downloads：5948
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DING Qiang，ZHU Jie，JIANG Yingxu
Abstract: Direct-drive electrically excited synchronous motor（EESM）is obtained widespread utilization inwind power generation system due to its advantages of simple construction and low cost. Firstly，a mathematicalmodel of EESM was derived and the direct torque control（DTC）algorithm for EESM was introduced based on ...
更多Number of views：3165 Amount of downloads：5946
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LI Zhen，ZHAO Pengxiang，WANG Nan，CONG Lin，WANG Huiyuan，CAO Yan
Abstract: Exploring the flexibility of the heat and electricity coupling integrated energy system（HEC-IES），reducing system operation costs and promoting renewable energy consumption are hot issues in the field of energyinternet. Thus，a day-ahead optimal scheduling method of the HEC-IES considering the thermal dynami...
更多Number of views：2467 Amount of downloads：5944
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WU Yihao，ZHAO Shiwei，ZHOU Jie，XIAO Chaoren
Abstract：In order to solve the problem of large peak-to-peak inductor currents in dual active bridge converterswith mismatched input and output voltages，a four-degree-of-freedom modulation（FDFM）strategy was proposedby combining symmetric duty cycle modulation and asymmetric duty cycle modulation. By analyzing the op...
更多Number of views：1441 Amount of downloads：5941
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CHEN Xuling，LIU Cheng，XU Xinwei，DONG Shuo，TIAN Ting
Abstract：Taking the planar rotation mechanism as an example，a magnetic coupling wireless powertransmission system was designed and studied from two perspectives：the spatial structure of the coils and theresonant compensation circuit. This system aimed to reduce the voltage fluctuations caused by significant changesi...
更多Number of views：2081 Amount of downloads：5933
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JIN Dan，ZHI Jing，XIN Shijin，YANG Jian，HUANG Yafei，XU Qing
Abstract：Voltage source converter（VSC）connected to weak AC power grid has the risk of small disturbanceinstability. Under the traditional control strategy，VSC has to reduce output power to maintain stable operation. Inorder to improve the stability of the weak grid connected VSC system，first established a universal ...
更多Number of views：1703 Amount of downloads：5929
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XING Gang，LIU Huihong，WANG Bozhao，SONG Wenyang，LIU Longfei，XU Xiandong
Abstract：To address the need of carbon emission peak and carbon neutrality target on local energy systems，an optimal expansion planning method of heat pump was proposed for regional energy stations considering thebenefits from ancillary services. The method was used to support the integration of new technologies suc...
更多Number of views：1813 Amount of downloads：5925
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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：1738 Amount of downloads：5923
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ZHA Haitao，XU Kexin，LI Xiaowen，LIU Bin
Abstract: Active power filter（APF）is one of the main ways to eliminate harmonic quality problems in powergrid，and LCL filter is commonly used to connect APF to power grid. In order to suppress the resonance problemcaused by LCL filter，active damping based on capacitor current feedback is a common method. Active damp...
更多Number of views：2869 Amount of downloads：5923
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REN Hao，QIU Xiaoyan，ZHANG Zhirong，SUN Xu，ZHANG Mingke
Abstract: With the development of electric vehicle（EV），there are a large number of EV charging load in thepower grid. Because of its unique advantages，AC/DC microgrid is more convenient for the access of AC slowcharging pile and DC fast charging pile. However，large-scale EVs integration will bring impact to the powe...
更多Number of views：4975 Amount of downloads：5920
