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LIU Fusuo,DING Rui,WANG Yu,CHENG Shuo,WANG Qi,HUANG Xifang
Abstract:In order to solve the DC over-voltage problem caused by surplus power when short circuit faultoccurs in the recipient grid of offshore wind power via voltage source converter high voltage direct currenttransmission(VSC-HVDC)delivery system,a joint fault ride-through strategy based on surplus power allocatio...
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Number of views:295 Amount of downloads:186
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GAO Geming,YE Manhong,LIU Yanan,XU Hongqi,CHEN Fan
Abstract:Aiming at the problems of difficult identification of stacked outliers and insufficient extraction ofraw data features in the data-driven ultra-short-term power prediction of wind turbines,a prediction methodcombining data cleaning and parallel spatio-temporal neural network was proposed. First,a combined d...
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Number of views:289 Amount of downloads:147
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CAO Dayou,LÜ Junmu,BAI Yansong,LI Guorong,ZHOU Yan
Abstract:In order to reduce the carbon emissions of large ships,photovoltaic(PV)power generationtechnology began to be applied to ship power systems. However,due to the limited capacity,low inertia and largeload difference of the ship power system,the traditional virtual synchronous generator(VSG)control strategy ca...
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Number of views:278 Amount of downloads:182
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ZHANG Baorui,WANG Jingtao,TAN Yao,WANG Zhiguang,LI Tang,SHI Yang
Abstract:Accurate short-term electrical load forecasting is of great significance for the design andoptimization scheduling of integrated energy systems(IES). However,the load data in real integrated energysystems are low-quality and fluctuating,so the forecasting accuracy of existing prediction models is low. A sho...
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Number of views:270 Amount of downloads:150
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ZHOU Wei,JI Yuan,JIA Ting,GU Xihua,QIN Yi,BI Sibo
Abstract:In order to ensure the security of embedded-based distributed photovoltaic system data,a lightweight encryption algorithm was proposed on the basis of 128-bit advanced encryption standard(AES)for the problem of limited embedded computing resources. Firstly,the AES round function was optimized to reduce the n...
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Number of views:269 Amount of downloads:224
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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...
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Number of views:267 Amount of downloads:151
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MENG Jia
Abstract:To address the supply-demand imbalance caused by renewable energy intermittency and loadfluctuations in islanded microgrids,a two-layer optimization-based dynamic time-of-use(TOU)pricing schedulingmodel was proposed,aiming to enhance economic efficiency and operational stability. First,a comprehensivemicrog...
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Number of views:230 Amount of downloads:225
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CHI Yuhang,ZHAO Lu,GE Qiongxuan,LIU Xue,CHENG Shi
Abstract:Taking the switch tube open-circuit fault of dual bridge series resonant DC-DC converter(DBSRC)as the research object. Firstly,the basic working principle of DBSRC was summarized,and the open circuit faultcharacteristics of DBSRC converter were introduced. On this basis,the fault characteristics that can be...
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Number of views:193 Amount of downloads:115
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SHEN Zhangliang,CHEN Yini,LI Haomin,LIU Zihao,MA Hongzhong,GE Xuanhao
Abstract:A fault diagnosis model for isolation switches based on Markov transition field(MTF),catch fishoptimization algorithm(CFOA)improved pyramid vision transformer(PVT)was proposed to address theproblems of complex fault situations,strong noise in signal extraction,and insufficient feature extraction. Firstly,th...
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Number of views:185 Amount of downloads:136
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QIAO Chunlin,JIN Chuxiong,CHEN Dong,LIU Jianming
Abstract:In response to the potential local electric field distortion and insulation weaknesses that may occurunder high-voltage operating conditions in 35 kV European cable connectors,a 35 kV European cable connectorsstructural design method based on adaptive geometric optimization was proposed. The method integrat...
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Number of views:180 Amount of downloads:133
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YANG Xuan,LI Rui,CAO Xiaoqing,LI Lin,GUO Ran
Abstract:During the transition of a microgrid inverter from grid-connected mode to islanded mode and viceversa,pre-synchronization measures are necessary under the virtual synchronous generator (VSG) controlarchitecture to prevent voltage waveform distortion and current surges. A VSG-based parameter-optimized presyn...
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Number of views:122 Amount of downloads:101
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CHEN Shaoxiong,ZHANG Penghe,SONG Runan,XUE Yang,CHEN Ganchao
Abstract:Power safety is a critical issue related to the reliable supply of energy and the safety of people's livesand property. In recent years,electrical fire incidents have been frequent in China,and low-voltage AC fault arcdiagnosis,especially for series fault arcs,is difficult to apply to the complex domest...
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Number of views:110 Amount of downloads:108
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YANG Yong,ZHANG Xujun,LIU Wenfei,NIU Haoming,ZHAO Jinguo,YANG Rui
Abstract:The integration of new energy units on a large scale has introduced numerous adverse effects on thestability of system operation. Analysis of mechanisms and identification of impedance characteristics in gridconnected inverter(GCI)for new energy units are key to effectively addressing these issues. Therefor...
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Number of views:97 Amount of downloads:116
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LI Zewen,FAN Yuanliang,CHEN Weiming,WANG Shaopeng,LIN Jianli,LI Lingfei
Abstract:In the distribution network of the new power system,due to the access of a large number of newenergy power generation devices,the power supply side output of the distribution network becomes unstable andloses control ability. In order to deal with a series of problems such as the difficulty of photovoltaic ...
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Number of views:96 Amount of downloads:106
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CHEN Zhong,WU Yongkang,JIANG Yang,WU Fuchao
Abstract:An optimization control strategy based BPA for doubly fed wind turbines under asymmetric faultridethrough was proposed to address the issue of low accuracy of control strategies under asymmetric faults,inorder to obtain more accurate fault control model parameters for doubly fed wind turbines under asymmetr...
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Number of views:88 Amount of downloads:97