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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：1516 Amount of downloads：6530
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LI Shunxin，ZHAO Xuan，ZHAO Yinan，YANG Min，DONG Shaoqiao
Abstract：With the continuous increase in the scale of distribution network construction and operation，a largenumber of electricity load control problems have emerged，especially the weakening of sample time seriescharacteristics in electricity load data analysis，resulting in incomplete acquisition of local load chara...
更多Number of views：2042 Amount of downloads：6359
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MA Junchao，WANG Chenxu，SUN Dan，PENG Yan，ZHANG Zeyu，YANG Ying
Abstract：In response to the potential frequency secondary drop problem of direct-drive wind power systemsin the scenario of continuous frequency drop faults in the power grid，the principle of primary frequency regulationof direct-drive wind power systems was analyzed. A primary frequency regulation control strategy ...
更多Number of views：1803 Amount of downloads：5616
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LIU Yawei，GUAN Peng，SUN Lunan，WANG Chunhui，WANG Hao
Abstract：The micro-grid solves the problem that the intermittent and fluctuating power generation hasadverse effects on the stable operation of the distribution network when the distributed generation is connected tothe distribution network. In order to meet the economic operation of micro-grid under grid connected ...
更多Number of views：1759 Amount of downloads：6738
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BU Xianshuai，HE Shan
Abstract：In order to improve the accuracy and stability of short-term wind direction prediction，a winddirection prediction method based on lidar wind data and an improved nonlinear echo state network（NESN）model was proposed.First of all，wind direction data 100 meters ahead of the wind turbine was obtained by laser w...
更多Number of views：1780 Amount of downloads：5771
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LIU Zhipeng，QU Zhe，YU Cong，WU Qian，CHEN Bo，FANG Yaqi
Abstract：Over the years，machine learning has made some breakthroughs in the insulation defects of gasinsulated switchgear（GIS），but the traditional methods have the disadvantages of incomplete information，excessive reliance on artificial feature extraction and low diagnosis rate. In order to solve these problems，adia...
更多Number of views：1647 Amount of downloads：6229
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CHEN Weikang，WANG Haixin，ZHANG Zhiyong，CHEN Zhenyu，SHEN Jie
Abstract：Flux-weakening control technology can effectively broaden the speed range of the permanentmagnet synchronous machine（PMSM），therefore，it is of great significance to the research on the flux-weakening control of permanent magnet synchronous machine. Most of flux-weakening modified the flux-weakening current c...
更多Number of views：3065 Amount of downloads：10646
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YIN Xiang，ZHANG Xiaojun，FENG Xinjia，CHENG Shi，TAO Yuxin，XIAYuande
Abstract：As the penetration rate of new energy and power electronic equipment increases，the inertia anddamping of the power system decrease，and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter，so as to pla...
更多Number of views：3331 Amount of downloads：10588
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LI Shengnan，HE Tingyi，HE Xin，HE Peng，ZHANG Yongchang，ZHANG Shengan
Abstract：During the joint operation of permanent magnet direct drive wind power generation systems，thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside，which in turn affects the DC bus voltage of the converter，leading to power fluctuations on the gri...
更多Number of views：2330 Amount of downloads：10554
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YIN Zhenhuan
Abstract：Due to the advantages of faster dynamic performance and smaller torque ripple，high frequencypulse voltage injection（PSVI）is widely used in sensorless control of permanent magnet synchronous motor（PMSM）at low-speed range. Under low switching frequency，the dynamic and steady performance of thetraditional high...
更多Number of views：2410 Amount of downloads：7706
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PENG Fei，TIAN Xu，LIU Fei，XU Decao，FANG Shiwen，TIAN Xu
Abstract：The integration of large-scale wind power，photovoltaic and other renewable energy resources forthe power system will greatly change the power supply characteristics，reducing the inertia of power system andthreatening the stability of transient frequency. The virtual synchronous generator（VSG）technology can ...
更多Number of views：1719 Amount of downloads：6077
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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：1537 Amount of downloads：5971
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LIAO Zhijun，HUANG Liying，CAO Yun，TIAN Junling，RONG Na
Abstract：In the context of dual carbon，carbon trading mechanism and various energy complementary powergeneration mechanism are important mechanisms for China to achieve carbon emission reduction goals andsustainable development. A multi-energy system optimization model was proposed that takes into account carbontrad...
更多Number of views：1983 Amount of downloads：4964
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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：1743 Amount of downloads：5351
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WANG Chaoliang，XIAO Tao，CHEN Songsong，ZHANG Hongzhi，CHEN Ke
Abstract：With the proposal of the "dual carbon" goal，the application of EVs is becoming increasinglywidespread. In order to further reduce the charging cost of EVs so as to easing the charging cost burden of EVusers，a coordinated control strategy for EV charging DC microgrid was proposed，which includes photovoltaic（...
更多Number of views：2248 Amount of downloads：5684
