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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：2157 Amount of downloads：7810
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YANG Yidong
Abstract：In the grid load control and planning of distribution network，in order to optimize the grid structureof distribution network，such as line loss，power supply quality and load，a grid load control and planningtechnology based on differential evolution algorithm was proposed. For all kinds of power generation de...
更多Number of views：2156 Amount of downloads：8815
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GAO Jixin，ZHU Jianzhong，HAH Xiao，ZHOU Yancheng，XU Jing
Abstract：In islanded DC microgrids，line impedance and load fluctuations lead to uneven power distributionand voltage deviation，threatening system stability and affecting energy storage lifetime. Existing droop controlstrategies need to preset a fixed initial droop coefficient，which makes it difficult to balance the ...
更多Number of views：2155 Amount of downloads：10222
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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：2155 Amount of downloads：9326
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XU Zhance，XU Wei
Abstract：Aiming at the problem that the photovoltaic grid-connected inverter system operates under multipledisturbances，an linear active disturbance rejection control（LADRC）grid-connected strategy combined withphotovoltaic system was proposed. Firstly，the dynamic process of PV grid-connected system was analyzed andm...
更多Number of views：2150 Amount of downloads：8138
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HAN Song，YU Zhiqiang，WANG Mingyue，YU Hongze，JIA Pengfei
Abstract: Under the background of carbon emission reduction，fully controlled power device IGBT is widelyused in various of converters with its excellent performance，effective and reliable drive circuit is crucial to the safeoperation of IGBT，especially for high-power applications. Aiming at the requirement of flexib...
更多Number of views：2150 Amount of downloads：9582
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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：2149 Amount of downloads：7355
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JIANG Yehai，JIAO Hao，CHEN Zhi，MA Jiayang ，LI Bin
Abstract：To improve the quality of power distribution network parameters，an abnormal parameteridentification and localization method for distribution networks based on smart meter measurements was proposed.The method transformed the nonlinear identification equation solving problem in traditional identificationalgor...
更多Number of views：2148 Amount of downloads：6945
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MA Zun，CHEN Haoying，DENG Can，CHEN Yong，GUAN Lin
Abstract：The development of modern power systems with wide span，low inertia，and complex structuremakes the frequency stability problem increasingly prominent，and the spatial-temporal distribution characteristicsof frequency are distinct. Taking the actual power grid as the object，the impacts of large-scale new energ...
更多Number of views：2147 Amount of downloads：8202
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YANG Yan，LIU Tong，JIN Panlong，QI Caijuan
Abstract：In order to solve the problem that the time-of-use price is not taken into account in the calculation ofthe peaking cost in the case of a large number of renewable energy sources，a method of calculating the peakingcost of power system with time-of-use price was proposed. First，the key scenarios of power gri...
更多Number of views：2144 Amount of downloads：7725
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XIA Tao，LIU Liang，ZHANG Yangfei，LIU Haitao，MENG Gaojun
Abstract：Aiming at the problem of large output voltage fluctuation and long recovery time of three-phasepulse-width modulation（PWM）rectifiers when the load changes，an improved single-neuron gradient learningcontrol strategy was proposed. Due to the poor adaptability of the traditional PI controller parameters when t...
更多Number of views：2130 Amount of downloads：7853
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FAN Yuanliang，ZHU Junwei，WU Han，HAN Xiaolan，HUANG Xinghua，CHEN Jinyu
Abstract：Accurately estimating the state of health（SOH）of lithium-ion batteries is crucial for optimizingenergy storage systems' operation，management，and maintenance. Existing methods that extract health featuresfrom single-stage charging data fail to exploit battery aging information fully，leading to a suboptim...
更多Number of views：2124 Amount of downloads：7627
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CHEN Chen，DONG Pingxian，SONG Xiaofan，GUO Fang，QI Huanruo，DU Xiaotong
Abstract：After the distributed wind farm stations are integrated into the distribution network，due to thecharacteristics of wind farm short-circuit current amplitude control and frequency offset，the traditional three-stagecurrent protection of distribution network is difficult to accurately identify the fault on the...
更多Number of views：2120 Amount of downloads：6884
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LI Gang，XU Bin，WANG Xiaoming，ZHAO Wenguang，FANG Zhao，WU Hongbin
Abstract: The distributed control strategy of the distribution network with distributed generation is expected tosolve the voltage control problem of the distribution network. However，distributed generation are loosely distributed in space，and communication problems such as communication delay and packet loss betwee...
更多Number of views：2118 Amount of downloads：8536
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LIU Yuqing，ZHANG Shijie，SHI Deyong
Abstract：Under the planned system，the fixed price makes it difficult to encourage hydropower to participatein regulation，and the complex hydraulic constraints lead to difficulties in hydropower spot market clearing. Toencourage hydropower to participate in regulation through spot-price incentives and enrich its reve...
更多Number of views：2116 Amount of downloads：10628
