Integrated energy and modern power grid
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REN Juan,SONG Haiming,XIN Chaoshan,WEI Junchen
Abstract:Energy storage is a kind of high-quality flexible resource to deal with the uncertainty of powersystems with high penetration of new energy. It is of great significance to develop an optimized operation strategyfor energy storage that meets the uncertain demands of the system while considering the life loss...
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Number of views:458 Amount of downloads:357
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PAN Pengcheng,ZHU Taojie,XIE Peigong
Abstract:To address the challenges of fuzzy carbon emission accounting boundaries and the limited diversityin the utilization of hydrogen energy within large-scale new energy hydrogen production systems,a low-carboneconomic scheduling model for an integrated energy system encompassing electro-thermal-hydrogen energy...
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Number of views:545 Amount of downloads:420
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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:365 Amount of downloads:228
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CHEN Yong,LI Jianbiao,CHEN Jianfu,PEI Xingyu,WU Hongyuan,HUANG Chunyu
Abstract:The characteristics of the DC side of the DC distribution network are multi bus cascades,multipleconverters,and strong coupling of the buses,which can easily cause harmonic resonance and threaten the safeoperation of system equipment.Aims at the problem of unclear resonance interaction and harmonic transmis...
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Number of views:431 Amount of downloads:216
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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:341 Amount of downloads:308
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SHENG Jie,GUO Tiantian,JIA Kaili,ZHU Jianfeng,YUAN Yuan,WANG Qi
Abstract:The grid frequently exhibits weak grid characteristics because the impedance fluctuation range ofthe collector network is broad in high permeability distributed generation system. The coupling relationshipbetween the phase-locked loop and the grid impedance leads to desynchronizing between the grid-followin...
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Number of views:558 Amount of downloads:392
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ZHAO Fajin,SHU Zhengyu,WANG Can,LIU Wencan ,HUANG Qiyun
Abstract:Accurate and efficient multi-load forecasting is of great significance for the operation control andscheduling of integrated energy system(IES),in order to improve the load forecasting effect,a integrated energysystem load prediction model based on least absolute shrinkage and selection operator(LASSO)and L...
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Number of views:495 Amount of downloads:232
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TANG Lan,HUANG Liwen,WANG Chenglei
Abstract:A K-means clustering algorithm was proposed and a conditional Wasserstein generative adversarialnetwork with gradient penalty(CWGAN-GP)to address the problem of imbalanced photovoltaic generation datacaused by the low occurrence probability of extreme weather. A prediction approach combining bidirectional l...
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Number of views:426 Amount of downloads:580
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LUO Xiang,LIN Dong,ZHANG Zhenyu,WANG Jueying,CAI Zhiping,LIN Ruoyin
Abstract:To tackle the issues of low execution efficiency and poor fault tolerance in traditional faultlocalization methods for active distribution networks using swarm intelligence optimization algorithms,a two-stagefault location method was introduced based on the SSA-RF algorithm and cosine similarity. Firstly,th...
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Number of views:389 Amount of downloads:220
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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:299 Amount of downloads:281
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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:329 Amount of downloads:204
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MIAO Haidong,ZHANG Qing,YAN Yong,ZHANG Lina,HUO Tingting,HAN Linjie
Abstract:In order to eliminate the problem of low inertia and large frequency fluctuation in wind power gridconnected system when power disturbance occurs,an improved virtual inertia control strategy was proposed. Acooperative control strategy of adaptive moment of inertia and damping coefficient was introduced in t...
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Number of views:388 Amount of downloads:445
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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...
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Number of views:554 Amount of downloads:509
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CHENG Liang,DUAN Pengyang,SU Hongbang,TIAN Shengjuan,QI Xiaoxuan,YAN Shengping
Abstract:In the background of a high proportion of new energy source connected to grid,the phenomenon ofnew energy interface inverters being connected to the grid through long-distance AC lines is becoming increasinglysignificant. The traditional vector controlled weak grid connected voltage source converter(VSC)bas...
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Number of views:521 Amount of downloads:505
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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...
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Number of views:577 Amount of downloads:599