|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | A semi-physical sediment yield model for estimation of suspended sediment in loess region显示文摘Sediment yield is a complex function of many environmental factors including climate,hydrology,vegetation,basin topography,soil types,and land cover.We present a new semi-physical watershed sediment yield model for the estimation of suspended sediment in loess region.This model is composed by three modules in slope,gully,and stream phases.For slope sediment yield,a balance equation is established based on the concept of hydraulic erosion capacity and soil erosion resistance capacity.According to the statistical analysis of watershed characteristics,we use an exponential curve to approximately describe the spatial variability of watershed soil erosion resistance capacity.In gully phase,the relationship between gully sediment concentration and flow velocity is established based on the Bagnold' stream power function.In the stream phase,we assume a linear dependence of the sediment volume in the reach on the weighted sediment input and output.The proposed sediment yield model is operated in conjunction with a conceptual hydrologic model,and is tested over 16 regions including testing grounds,and small,medium and large watersheds in the loess plateau region in the mid-reach of Yellow River.Our results indicate that the model is reasonable in structure and is able to provide a good simulation of sediment generation and transportation processes at both flood event scale and inter-annual time scale.The proposed model is generally applicable to the watersheds with soil texture similar to that of the loess plateau region in the Yellow River basin in China. | Wei Si Weimin Bao Peng Jiang Liping Zhao Simin Qu | 2017 | International Journal of Sediment Research2017，32，1： | 7 |
| 2 | Multi-dimensional, light-controlled switch of fluorescence resonance energy transfer based on orderly assembly of 0D dye@micro-micelles and 2D ultrathin-layered nanosheets显示文摘荧光回声精力转移(烦恼) 系统在视觉察觉,聪明的材料,和生物成像有宽广应用,所有哪个帮助通过多重尺寸并且在多样的方向的光的传播。此处,我们示威了多维(0D 和 2D ) 由采用 layer-by-layer (LBL ) 在一部多层的 ultrathin 电影(UTF ) 以内烦恼集会技术。(tert 丁基 acrylate-co-ethyl acrylate-co-methacrylic 酸)(PTBEM ) anionic 块共聚物 micelle poly 为二度(8-hydroxyquinolate ) 的加入被选择为一个分子的搬运人锌(Znq 2) 和开戒指的 merocyanine (MC )( 是表示了(Znq 2/MC)@PTBEM) 。或者,静电的汇编与 cationic 被执行分层的双氢氧化物(LDH ) nanosheets (是表示了[(Znq 2/MC)@PTBEM/LDH] n ) 。这[(Znq 2/MC)@PTBEM/LDH] n 系统提供多维的繁殖媒介并且保证 FRET 施主和领受人位于他们的 F 以内 ? 在每个方向的 rster 半径。系统表明能经由轮流出现被交换的 FRET 进程紫外 / 可见(UV/vis ) 照耀与悦耳的 blue-green/red 荧光,象 81.7% 一样高导致 FRET 效率。这被期望这个汇编方法,它在 2D 上使用 0D 微粒分层的材料,能为进一步的开发被扩大到另外的系统多维烦恼。 | Zhixiong Li Ruizheng Liang Simin Xu Wendi Liu Dongpeng Yan Min Wei David G. Evans Xue Duan | 2016 | Nano Research2016，9，12： | 4 |
| 3 | Tectonics-palaeogeomorphology in rift basins: controlling effect on the sequence architecture显示文摘The relationship between deposition and tectonics of sedimentary basins has been a significant subject in recent years.Using typical rift basins such as the Nanpu Sag as an example,combined with the analysis of the tectonics-palaeogeomorphology of basins,we undertook a detailed study of the differences of the third-order sequences in different basins,the combination of depositional systems within the sequence framework and the distribution of depocenters and subsidence centers.Our results revealed a significant relationship between the tectonics-palaeogeomorphology of rift basins and the filling styles of sedimentary sequences.The basin structure plays a primary role in controlling the development of the third-order sequences and the boundary of these sequences is easily formed in basins with gentle slopes,shallow water and a small area.The characteristics of the tectonics-palaeogeomorphology of rift basins are dominated by half-grabens of extensional faults,which affect the temporal and spatial combination of sedimentary systems within the sequences as well as the distribution of depocenters and subsidence centers.Based on the development rules of the faults dominating the half-grabens of extensional faults,rift basins are classified into two types: the single fault segmented-linkage type and the multi-fault combination type.The main controlling factors of the temporal and spatial combination of sedimentary systems and the distribution of depocenters and subsidence centers in different basins are different.The characteristics of early segmentation and later linkage of the faults play a critical role in controlling the sedimentary system combination within the sequence framework and the temporal and spatial differences of depocenters and subsidence centers of the single fault segmented-linkage rift basins,while the differences in fault activities are the dominating factors of the multi-fault combination rift basins. | Ji Hancheng Jia Haibo Sun Simin Chen Liang Tang Yang Chen Wei Geng Yikai Zhou Hang | 2013 | Petroleum Science2013，10，4： | 3 |
| 4 | Metamorphic AlInAs/GaInAs HEMTs on silicon substrates by MOCVD显示文摘Metamorphic Al0.50In0.50As/Ga0.47In0.53As high electron mobility transistors (mHEMTs) grown by Metal Organic ChemicalVapor Deposition (MOCVD) on n-type silicon substrates with introduction of a novel multi-stage buffering stack scheme havebeen fabricated for the first time. 1.0- m-gate-length depletion-mode mHEMTs with maximum transconductance up to 613mS/mm are achieved. The unity current gain cut-off frequency (fT) and the maximum oscillation frequency (fmax) are 36.9 and55.6 GHz, respectively. This device has the highest fTyet reported for 1.0- m-gate-length HEMTs grown on silicon byMOCVD. Also, this performance is comparable to that of similar GaAs-based mHEMTs. These are encouraging initial resultsleading to the manufacturing potential of integrated high-speed metamorphic devices for logic applications on silicon sub-strates by MOCVD. | LI HaiOu HUANG Wei LI SiMin TANG ChakWah LAU KeiMay | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，10： | 2 |
| 5 | Layered double hydroxide monolayers for controlled loading and targeted delivery of anticancer drugs显示文摘二维(2D ) 因为他们的高特定的表面区域和迷人的物理化学的性质, nanomaterials 在 biomedicine 的地里获得了巨大的注意。此处, 2D monolayered 两倍氢氧化物( MLDH ) nanosheets 被采用本地化 doxorubicin (纪录影片), anticancer 药,与一个装载能力象 3.6 mg 一样高??釯??鶋???????鐿骢鯡????鮪???銬????雞??????飝鱎?鶬微隬悑傘?辬?銬???颬疞???徬?????鶝?铍?鳓钫?鵀?亘??鎪蒠?????????斪?鎬頿??悑?讬鶝???墑???鎛??亘??宫?? | Xuan Mei Simin Xu Tongyang Hu Liuqi Peng Rui Gao Ruizheng Liang Min Wei David G. Evans Xue Duan | 2018 | Nano Research2018，11，1： | 2 |
| 6 | The formation of cu- curhituril (n = 6, 7) complexes with amino com- pounds in aqueous formic acid studied by capillary elec- trophoresis显示文摘 | Fang Wei Liu Simin Xu Li | 2005 | Electrophoresis2005，，26： | 1 |
| 7 | Construction of Photoresponsive 3D Structures Based on Triphenylethylene Photochromic Building Blocks显示文摘Photoresponsive materials have been widely used in sensing,bioimaging,molecular switches,information storage,and encryption nowadays.Although a large amount of photoresponsive materials have been reported,the construction of these smart materials into precisely prescribed complex 3D geometries is rarely studied.Here we designed a novel photoresponsive material methyl methacrylate containing triphenylethylene(TrPEF_(2)-MA)that can be directly used for digital light processing(DLP)3D printing.Based on TrPEF_(2)-MA,a series of photoresponsive 3D structures with reversible color switching under ultraviolet/visible light irradiations were fabricated.These complex photoresponsive 3D structures show high resolutions(50μm),excellent repeatability(25 cycles without fatigue),and tunable saturate color degrees.Multicomponent DLP 3D printing processes were also carried out to demonstrate their great properties in information hiding and information-carrying properties.This design strategy for constructing photoresponsive 3D structures is attractive in the area of adaptive camouflage,information hiding,information storage,and flexible electronics. | Xiayu Zhang Fukang Liu Beibei Du Rongjuan Huang Simin Zhang Yunfei He Hailan Wang Jingjing Cui Biao Zhang Tao Yu Wei Huang | 2022 | Research2022，，4： | 1 |
| 8 | Flow Updating in Real-Time Flood Forecasting Based on Runoff Correction by Dynamic System Re- sponse Curve显示文摘 | Weimin B Wei S Simin Q | 2014 | Journal of Hydrologic Engineering2014，19，4： | 1 |
| 9 | Single-fundamental-mode 850 nm surface relief VCSEL显示文摘 | Wei Simin Xu Chen Deng Jun | 2012 | Chinese Phys Lett2012，29，08： | 1 |
| 10 | Recent Development of Photodeformable Crystals:From Materials to Mechanisms显示文摘Photodeformable materials are a class of molecules that can convert photon energy into mechanical energy,which have attracted tremendous attention in the last few decades.Owing to their unique photoinduced deformable properties,including fast lightresponse and diverse mechanical behaviors,photodeformable materials have exhibited great potential in many practical applications such as actuators,photoswitches,artificial muscles,and bioimaging.In this review,we sort out the current state of photodeformable crystals and classify them into six categories by molecular structures:diarylethenes,azobenzenes,anthracenes,olefins,triarylethylenes,and other systems.Three distinct light-responsive mechanisms,photocyclization,trans-cis isomerization,and photodimerization,are revealed to play significant roles in the molecular photodeformation.Their corresponding photodeformable behaviors such as twisting,bending,hopping,bursting,and curling,as well as the potential applications,are also discussed.Furthermore,the challenges and prospective development directions of photodeformable crystals are highlighted. | Cheng Huang Rongjuan Huang Simin Zhang Haodong Sun Hailan Wang Beibei Du Yuxin Xiao Tao Yu Wei Huang | 2021 | Research2021，，1： | 1 |
| 11 | Orthogonal carbazole-perylene bisimide pentad:a photoconversion-tunable photosensitizer with diversified excitation and excited-state relaxation pathways显示文摘Integrating multiple photosensitive properties into an“all-in-one”photosensitizer(PS)shows great promise for the treatment of cancers owing to synergistic effect among them.However,the development of such PSs,especially those that need a single laser source,remains a challenge.Herein,we report an orchestration of electron donors and acceptors in a propeller-like pentad,PBI-4Cz,where four carbazole(Cz)units are covalently linked to the ortho-positions of the perylene bisimide(PBI)core.Strong intramolecular donor-acceptor interaction significantly quenches the luminescence and largely extends the absorption spectra to near-infrared region.Excited-state dynamics investigated via femto-and nano-second transient absorption spectroscopy revealed exclusive charge separation of the PBI-4Cz within initial 0.5 ps when photoexcited regardless of which intermediate is involved.Energy dissipation of the resulting charge-separated state(PBI^(•−)-4Cz^(•−))is subjected to the toggle between intersystem-crossing toward excited triplet states and charge recombination toward ground states.Relative importance of the two pathways can be tuned by micro-environmental polarity,which endows PBI-4Cz remarkable performances of singlet-oxygen generation(>90.0%)in toluene and photothermal conversion(∼28.6%)in DMSO.Harnessing intrinsic photostability and excited-state processes of heavy-atom-free PBI derivatives not only holds a promise for multifunctional phototheranostics,but also provides a prototype for designing high-performance PSs with tunable photoconversion pathways. | Zhaolong Wang Yue Sun Simin Lin Gang Wang Xingmao Chang Xinyu Gou Taihong Liu Shengye Jin Gang He Yu-Chen Wei Pi-Tai Chou Yu Fang | 2021 | Science China Chemistry2021，64，12： | 0 |
| 12 | 季节性干旱驱动亚热带森林的碳积累显示文摘本研究旨在表明处于南亚热带的鼎湖山生物圈保护区的干旱频率和强度正在增加,并说明季节性干旱对亚热带森林碳积累的影响。这是为了应对全球气候变化导致的干旱加剧所带来的威胁开展的一项研究。我们使干旱指数(标准化降水指数、标准降水蒸散发指数、降水距平百分率及自校准帕尔默干旱指数)准确确定干旱期和降水量增加期。此后,将2003至2014年(12年)监测采集的实测涡动通量和土壤含水量数据在干旱期和湿润期之间进行比较,以确定干旱对生态系统碳积累的影响。在本研究所选择的12年期间,干旱的发生时间约占比20%,最强干旱事件和严重程度发生于2012至2013年。研究期间的年平均降水量和气温分别为1404.57±43.2 mm和22.65±0.1°C,与30年记录(1990–2020)相比较,年降水量减少量可达523 mm,而气温则增加了2.55°C。与全球针对大多数森林生态系统研究所发表的数据呈相反趋势,处于中国南亚热带区域的鼎湖山生物圈保护区在60%的干旱期内所监测的森林生态系统记录到显著的碳积累趋势,说明季节性干旱驱动了森林的碳积累。 | Brian Njoroge Yuelin Li Dennis Otieno Shizhong Liu Simin Wei Ze Meng Qianmei Zhang Deqiang Zhang Juxiu Liu Guowei Chu Fasih Ullah Haider John Tenhunen | 2023 | Journal of Plant Ecology2023，16，1： | 0 |
| 13 | Engineering cannabidiol synergistic carbon monoxide nanocomplexes to enhance cancer therapy via excessive autophagy显示文摘Although carbon monoxide(CO)-based treatments have demonstrated the high cancer efficacy by promoting mitochondrial damage and core-region penetrating ability,the efficiency was often compromised by protective autophagy(mitophagy).Herein,cannabidiol(CBD)is integrated into biomimetic carbon monoxide nanocomplexes(HMPOC@M)to address this issue by inducing excessive autophagy.The biomimetic membrane not only prevents premature drugs leakage,but also prolongs blood circulation for tumor enrichment.After entering the acidic tumor microenvironment,carbon monoxide(CO)donors are stimulated by hydrogen oxide(H_(2)O_(2))to disintegrate into CO and Mn^(2+).The comprehensive effect of CO/Mn^(2+)and CBD can induce ROS-mediated cell apoptosis.In addition,HMPOC@Mmediated excessive autophagy can promote cancer cell death by increasing autophagic flux via classⅢPI3K/BECN1 complex activation and blocking autolysosome degradation via LAMP1 downregulation.Furthermore,in vivo experiments showed that HMPOC@M+laser strongly inhibited tumor growth and attenuated liver and lung metastases by downregulating VEGF and MMP9 proteins.This strategy may highlight the pro-death role of excessive autophagy in TNBC treatment,providing a novel yet versatile avenue to enhance the efficacy of CO treatments.Importantly,this work also indicated the applicability of CBD for triple-negative breast cancer(TNBC)therapy through excessive autophagy. | Chang Xiao Yue Sun Jialong Fan William Nguyen Simin Chen Ying Long Wei Chen Aiguo Zhu Bin Liu | 2023 | Acta Pharmaceutica Sinica B2023，13，11： | 0 |
| 14 | Chemo-drugs in cell microparticles reset antitumor activity of macrophages by activating lysosomal P450 and nuclear hnRNPA2B1显示文摘Macrophages in tumors(tumor-associated macrophages,TAMs),a major population within most tumors,play key homeostatic functions by stimulating angiogenesis,enhancing tumor cell growth,and suppressing antitumor immunity.Resetting TAMs by simple,efficacious and safe approach(s)is highly desirable to enhance antitumor immunity and attenuate tumor cell malignancy.Previously,we used tumor cell-derived microparticles to package chemotherapeutic drugs(drug-MPs),which resulted in a significant treatment outcome in human malignant pleural effusions via neutrophil recruitments,implicating that drug-MPs might reset TAMs,considering the inhibitory effects of M2 macrophages on neutrophil recruitment and activation.Here,we show that drug-MPs can function as an antitumor immunomodulator by resetting TAMs with M1 phenotype and IFN-βrelease.Mechanistically,drug molecules in tumor MPs activate macrophage lysosomal P450 monooxygenases,resulting in superoxide anion formation,which further amplifies lysosomal ROS production and pH value by activating lysosomal NOX2.Consequently,lysosomal Ca^(2+)signaling is activated,thus polarizing macrophages towards M1.Meanwhile,the drug molecules are delivered from lysosomes into the nucleus where they activate DNA sensor hnRNPA2B1 for IFN-βproduction.This lysosomal-nuclear machinery fully arouses the antitumor activity of macrophages by targeting both lysosomal pH and the nuclear innate immunity.These findings highlight that drug-MPs can act as a new immunotherapeutic approach by revitalizing antitumor activity of macrophages.This mechanistic elucidation can be translated to treat malignant ascites by drug-MPs combined with PD-1 blockade. | Keke Wei Huafeng Zhang Shuaishuai Yang Yuxiao Cui Bingxia Zhang Jincheng Liu Liang Tang Yaoyao Tan Simin Liu Shiqi Chen Wu Yuan Xiao Luo Chen Chen Fei Li Junwei Liu Jie Chen Pingwei Xu Jiadi Lv Ke Tang Yi Zhang Jingwei Ma Bo Huang | 2023 | Signal Transduction and Targeted Therapy2023，8，2： | 0 |
| 15 | Three-dimensional porous In_(2)O_(3) arrays for self-powered transparent solar-blind photodetectors with high responsivity and excellent spectral selectivity显示文摘Transparent solar-blind ultraviolet photodetectors(SBUV PDs)have extensive applications in versatile scenarios,such as optical communication.However,it is still challenging to simultaneously achieve high responsivity,high transparency,and satisfying self-powered capability.Here,we demonstrated high-performance,transparent,and self-powered photoelectrochemical-type(PEC)SBUV PDs based on vertically grown ultrathin In_(2)O_(3) nanosheet arrays(NAs)with a three-dimensional(3D)porous structure.The 3D porous structure simultaneously improves the transmittance in the visible light region,accelerates interfacial reaction kinetics,and promotes photogenerated carrier transport.The performance of In_(2)O_(3) NAs photoanodes exceeds most reported self-powered PEC SBUV PDs,exhibiting a high transmittance of approximately 80%in the visible light region,a high responsivity of 86.15 mA/W for 254 nm light irradiation,a fast response speed of 15/18 ms,and good multicycle stability.The In_(2)O_(3) NAs also show excellent spectral selectivity with an ultrahigh solar-blind rejection ratio of 1319.30,attributed to the quantum confinement effect induced by the ultrathin feature(2-3 nm).Furthermore,In_(2)O_(3) NAs photoanodes show good capability in underwater optical communication.Our work demonstrated that a 3D porous structure is a powerful strategy to synchronously achieve high responsivity and transparency and provides a new perspective for designing high-performance,transparent,and self-powered PEC SBUV PDs. | Nana Zhang Xinyu Gao Haoran Guan Simin Sun Jiaming Liu Zhitao Shao Qiyue Gao Yuan Zhang Ruyu Sun Guang Yang Feng Gao Wei Feng | 2024 | Nano Research2024，17，5： | 0 |
| 16 | Metabolic Pathway of Monounsaturated Lipids Revealed by In-Depth Structural Lipidomics by Mass Spectrometry显示文摘The study of lipid metabolism relies on the characterization of the lipidome,which is quite complex due to the structure variations of the lipid species.New analytical tools have been developed recently for characterizing fine structures of lipids,with C=C location identification as one of the major improvements.In this study,we studied the lipid metabolism reprograming by analyzing glycerol phospholipid compositions in breast cancer cell lines with structural specification extended to the C=C location level.Inhibition of the lipid desaturase,stearoyl-CoA desaturase 1,increased the proportion of n-10 isomers that are produced via an alternative fatty acid desaturase 2 pathway.However,there were different variations of the ratio of n-9/n-7 isomers in C18:1-containing glycerol phospholipids after stearoyl-CoA desaturase 1 inhibition,showing increased tendency in MCF-7 cells,MDA-MB-468 cells,and BT-474 cells,but decreased tendency in MDA-MB-231 cells.No consistent change of the ratio of n-9/n-7 isomers was observed in SK-BR-3 cells.This type of heterogeneity in reprogrammed lipid metabolism can be rationalized by considering both lipid desaturation and fatty acid oxidation,highlighting the critical roles of comprehensive lipid analysis in both fundamental and biomedical applications. | Simin Cheng Donghui Zhang Jiaxin Feng Qingyuan Hu Aolei Tan Zhuoning Xie Qinhua Chen Huimin Huang Ying Wei Zheng Ouyang Xiaoxiao Ma | 2023 | Research2023，，4： | 0 |
| 17 | Recent Development of Photodeformable Crystals: From Materials to Mechanisms显示文摘Photodeformable materials are a class of molecules that can convert photon energy into mechanical energy,which have attracted tremendous attention in the last few decades.Owing to their unique photoinduced deformable properties,including fast lightresponse and diverse mechanical behaviors,photodeformable materials have exhibited great potential in many practical applications such as actuators,photoswitches,artificial muscles,and bioimaging.In this review,we sort out the current state of photodeformable crystals and classify them into six categories by molecular structures:diarylethenes,azobenzenes,anthracenes,olefins,triarylethylenes,and other systems.Three distinct light-responsive mechanisms,photocyclization,trans-cis isomerization,and photodimerization,are revealed to play significant roles in the molecular photodeformation.Their corresponding photodeformable behaviors such as twisting,bending,hopping,bursting,and curling,as well as the potential applications,are also discussed.Furthermore,the challenges and prospective development directions of photodeformable crystals are highlighted. | Cheng Huang Rongjuan Huang Simin Zhang Haodong Sun Hailan Wang Beibei Du Yuxin Xiao Tao Yu Wei Huang | 2022 | Research2022，，1： | 0 |
| 18 | Recent Progress of Catalytic Cathodes for Lithium-oxygen Batteries显示文摘Lithium-oxygen batteries are among the most promising electrochemical energy storage systems,which have attracted significant attention in the past few years duo to its far more energy density than lithium-ion batteries.Lithium oxygen battery energy storage is a reactive storage mechanism,and the discharge and charge processes are usually called oxygen reduction reaction(ORR)and oxygen evolution reaction(OER).Consequently,complex systems usually create complex problems,lithium oxygen batteries also face many problems,such as excessive accumulation of discharge products(Li_(2)O_(2))in the cathode pores,resulting in reduced capacity,unstable cycling performance and so on.Cathode catalyst,which could influence the kinetics of OER and ORR in lithium oxygen(Li-O_(2))battery,is one of the decisive factors to determine the electrochemical performance of the battery,so the design of cathode catalyst is vitally important.This review discusses the catalytic cathode materials,which are divided into four parts,carbon based materials,metals and metal oxides,composite materials and other materials. | Wei WANG Simin WANG Longhai ZHANG Sijiang HU Xuyang XIONG Tengfei ZHOU Chaofeng ZHANG | 2022 | Research and Application of Materials Science2022，4，1： | 0 |
| 19 | Prenatal metal mixture exposure and birth weight: A two-stage analysis in two prospective cohort studies显示文摘The understanding of the impact of prenatal exposure to metal mixtures on birth weight is limited.We aimed to identify metal mixture components associated with birth weight and to determine additional pairwise interactions between metals showing such associations.Concentrations of 18 metals were measured using inductively coupled plasma mass spectrometry in urine samples collected in the 3rd trimester from a prenatal cohort(discovery;n=1849)and the Healthy Baby Cohort(replication;n=7255)in Wuhan,China.In the discovery set,we used two penalized regression models,i.e.,elastic net regression for main effects and a lasso for hierarchical interactions,to identify important mixture components associated with birth weight,which were then replicated.We observed that 8 of the 18 measured metals were retained by elastic net regression,with five metals(vanadium,manganese,iron,cesium,and barium)showing negative associations with Z-scores for birth weight and three metals(cobalt,zinc,and strontium)showing positive associations.In replication set,associations remained significant for vanadium(β=-0.035;95%confidence interval[CI],-0.059 to0.010),cobalt(β=-0.073;95%CI,0.049 to 0.097),and zinc(β=-0.040;95%CI,0.016 to 0.065)after Bonferroni correction.We additionally identified and replicated a single pairwise interaction between iron and copper exposure on birth weight(P<0.001).Using a two-stage analysis,we identified and replicated individual metals and additional pairwise interactions-associated birth weight.The approach could be used in other studies estimating the effect of complex mixtures on human health. | Jie Hu George D.Papandonatos Tongzhang Zheng Joseph M.Braun Bin Zhang Wenyu Liu Chuansha Wu Aifen Zhou Simin Liu Stephen L.Buka Kunchong Shi Wei Xia Shunqing Xu Yuanyuan Li | 2022 | Eco-Environment & Health2022，1，3： | 0 |
| 20 | Distribution Line Longitudinal ProtectionMethod Based on Virtual Measurement Current Restraint显示文摘As an effective approach to achieve the“dual-carbon”goal,the grid-connected capacity of renewable energy increases constantly.Photovoltaics are the most widely used renewable energy sources and have been applied on various occasions.However,the inherent randomness,intermittency,and weak support of grid-connected equipment not only cause changes in the original flow characteristics of the grid but also result in complex fault characteristics.Traditional overcurrent and differential protection methods cannot respond accurately due to the effects of unknown renewable energy sources.Therefore,a longitudinal protection method based on virtual measurement of current restraint is proposed in this paper.The positive sequence current data and the network parameters are used to calculate the virtual measurement current which compensates for the output current of photovoltaic(PV).The waveform difference between the virtual measured current and the terminal current for internal and external faults is used to construct the protection method.An improved edit distance algorithm is proposed to measure the similarity between virtual measurement current and terminal measurement current.Finally,the feasibility of the protection method is verified through PSCAD simulation. | WeiWang Yang Yu Simin Luo Wenlin Liu Wei Tang Yuanbo Ye | 2024 | Energy Engineering2024，121，2： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员