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| 1 | Space charge behaviors in cable insulation under a direct current‐superimposed pulsed electric field显示文摘When high‐voltage direct current(HVDC)cables are subjected to a direct current(DC)‐superimposed pulsed electric stress,the pulsed voltage applied facilitates electrical tree generation and breakdown;however,the mechanism involved remains unclear.To study the deterioration mechanism of cable insulation under a pulsed electric field,an experi-ment on the dynamic characteristics of space charge under a DC‐superimposed pulsed electric field was conducted.For this experiment,a pulsed time trigger control circuit was developed to accurately measure the change law of the space charge in cross‐linked polyethylene samples at the rising and falling edges of the pulsed electric field.The experimental results showed an unusual change law:the space charge density increases with falling voltage amplitude and decreases with rising voltage amplitude.The sudden change in the electric field breaks the balance of the forces acting on the space charge,leading to injection,extraction and migration.The energy released during these dynamic processes may destroy the microstructure of the insulation material and contributes to the growth of the electrical tree.This study provides an insight on the initiation mechanism of electrical tree in HVDC cables and proposes a strategy to suppress electrical tree initiation. | Dongxin He Tao Zhang Fansong Meng Qingquan Li Wei Wang Hongshun Liu Gilbert Teyssedre | 2021 | High Voltage2021，6，3： | 4 |
| 2 | Insulating materials for realising carbon neutrality:Opportunities,remaining issues and challenges显示文摘The 2050 carbon-neutral vision spawns a novel energy structure revolution,and the construction of the future energy structure is based on equipment innovation.Insulating material,as the core of electrical power equipment and electrified transportation asset,faces unprecedented challenges and opportunities.The goal of carbon neutral and the urgent need for innovation in electric power equipment and electrification assets are first discussed.The engineering challenges constrained by the insulation system in future electric power equipment/devices and electrified transportation assets are investigated.Insulating materials,including intelligent insulating material,high thermal conductivity insulating material,high energy storage density insulating material,extreme environment resistant insulating material,and environmental-friendly insulating material,are cat-egorised with their scientific issues,opportunities and challenges under the goal of carbon neutrality being discussed.In the context of carbon neutrality,not only improves the understanding of the insulation problems from a macro level,that is,electrical power equipment and electrified transportation asset,but also offers opportunities,remaining issues and challenges from the insulating material level.It is hoped that this paper en-visions the challenges regarding design and reliability of insulations in electrical equipment and electric vehicles in the context of policies towards carbon neutrality rules.The authors also hope that this paper can be helpful in future development and research of novel insulating materials,which promote the realisation of the carbon-neutral vision. | Chuanyang Li Yang Yang Guoqiang Xu Yao Zhou Mengshuo Jia Shaolong Zhong Yu Gao Chanyeop Park Qiang Liu Yalin Wang Shakeel Akram Xiaoliang Zeng Yi Li Fangwei Liang Bin Cui Junpeng Fang Lingling Tang Yulin Zeng Xingtao Hu Jiachen Gao Giovanni Mazzanti Jinliang He Jianxiao Wang Davide Fabiani Gilbert Teyssedre Yang Cao Feipeng Wang Yunlong Zi | 2022 | High Voltage2022，7，4： | 4 |
| 3 | Modelling of shallow landslides with machine learning algorithms显示文摘This paper introduces three machine learning(ML)algorithms,the‘ensemble'Random Forest(RF),the‘ensemble'Gradient Boosted Regression Tree(GBRT)and the Multi Layer Perceptron neural network(MLP)and applies them to the spatial modelling of shallow landslides near Kvam in Norway.In the development of the ML models,a total of 11 significant landslide controlling factors were selected.The controlling factors relate to the geomorphology,geology,geo-environment and anthropogenic effects:slope angle,aspect,plan curvature,profile curvature,flow accumulation,flow direction,distance to rivers,water content,saturation,rainfall and distance to roads.It is observed that slope angle was the most significant controlling factor in the ML analyses.The performance of the three ML models was evaluated quantitatively based on the Receiver Operating Characteristic(ROC)analysis.The results show that the‘ensemble'GBRT machine learning model yielded the most promising results for the spatial prediction of shallow landslides,with a 95%probability of landslide detection and 87%prediction efficiency. | Zhongqiang Liu Graham Gilbert Jose Mauricio Cepeda Asgeir Olaf Kydland Lysdahl Luca Piciullo Heidi Hefre Suzanne Lacasse | 2021 | Geoscience Frontiers2021，12，1： | 3 |
| 4 | Charge vibration behaviour in polyimide under the pulse voltage with different rise and fall times显示文摘High‐voltage electronic equipment is widely used in power systems,which normally operate under the pulse voltage condition.However,compared to DC or AC stress,the electrical insulation suffers a more severe ageing process under a pulse voltage with steep edges and so may cause electrical equipments to fail early.The charge behaviour in polyimide under the pulse voltage with different edge times was investigated in this study.The experimental results show that charges vibrate at the pulse edge,while the amplitude of charge vibration increases with decreasing edge times.Furthermore,the detected vibration signal is strong within the nanosecond edge times,while being negligible in the microsecond range.Notably,the amplitude of charge vibration at the falling edge is larger than that at the rising edge in the presence of the column‐plate electrode.It is believed that the resultant force acting on the charge increases drasti-cally at the pulse edges,leading to the charge movement and the generation of ultra-sonic waves,with the resultant force becoming larger when the edge times decrease.Charge vibration behaviour is harmful to the microstructure of insulation materials,and so it may be concluded that the rise and fall times of the pulse voltage play an important role in insulation failure. | Tao Zhang Dongxin He Junyu Wei Hongshun Liu Qingquan Li Gilbert Teyssedre | 2022 | High Voltage2022，7，1： | 2 |
| 5 | CRISPR-Mediated Modular RNA-Guided Regulation of Transcription in Eukaryotes显示文摘 | Luke A. Gilbert Matthew H. Larson Leonardo Morsut Zairan Liu Gloria A. Brar Sandra E. Torres Noam Stern-Ginossar Onn Brandman Evan H. Whitehead Jennifer A. Doudna Wendell A. Lim Jonathan S. Weissman Lei S. Qi | 2013 | Cell2013，，2： | 2 |
| 6 | Epigenetics:the missing link to understandingβ-cell dysfunction in the pathogenesis of type 2 diabetes显示文摘 | Gilbert ER Liu D | 2012 | Epigenetics2012，7，8： | 1 |
| 7 | Recent advances in understanding the anti-diabetic actions of dietary flavonoids 显示文摘 | Babu PV Liu D Gilbert ER | 2013 | J Nutr Biochem2013，24，11： | 1 |
| 8 | Structure and properties of talc-filled polypropylene:Effect of phosphate coating显示文摘 | Liu Z Gilbert M | 1996 | J Appl Poly Sei1996，59，7： | 1 |
| 9 | The hypoxia-inducible factor alpha pathway couples angiogenesis to osteogenesis during skeletal development显示文摘 | Wang Y Wan C Deng L Liu X Cao X Gilbert SR Bouxsein ML Faugere M-C Guldberg RE Gerstenfeld LC Haase VH Johnson RS Schipani E Clemens TL | | 0，，： | 1 |
| 10 | Improved secondary and new tertiary voltage control显示文摘 | Ilie Marija D Liu Xiaojun Leung Gilbert | 1995 | IEEE Trans on Power Systems1995，10，4： | 1 |
| 11 | Recent advances in understanding the anti-diabetic actions of dietary flavonoids 显示文摘 | BABU P V A LIU Dongmin GILBERT E R | 2013 | J Nutr Biochem2013，24，11： | 1 |
| 12 | Development of a nongenetic mouse model of type 2 diabetes 显示文摘 | Gilbert ER Fu Z Liu D | 2011 | Exp Diabetes Res2011，2011，41： | 1 |
| 13 | Regulation of insulin synthesis and secretion and pancreatic beta-cell dysfunction in diabetes 显示文摘 | Fu Z Gilbert ER Liu D | 2013 | Curt Diabetes Rev2013，9，1： | 1 |
| 14 | The tumor suppressor prostate apoptosis response 4 (Par 4) is regulated by mutant IDH1 and kills glioma stem cells 显示文摘 | Liu Y Gilbert MR Kyprianou N | 2014 | Acta Neuropathol2014，128，5： | 1 |
| 15 | Structure and properties of talc-filled polypropylene: Effect of phosphate coating 显示文摘 | LIU Z GILBERT M | 1996 | J Appl PolymSci1996，59，： | 1 |
| 16 | Improved performance of a fidly gutted adenovirus vector containing two full-length dystrophin cDNAs regulated by a strong promoter显示文摘 | Gilbert R Liu A Petrol B | 2002 | Mol Ther2002，6，4： | 1 |
| 17 | Prolonged dystrophin expression and functional correction of mdx mouse following gene transfer with a helper-dependent (gutted) adenvirus-encoding murine dystrophin显示文摘 | Dudley RWR Liu AB | 2003 | Hum Mol Genet2003，12，11： | 1 |
| 18 | Directed Photocurrents in Nano- structured TiO2/SnO2 Heterojunction Diodes 显示文摘 | Levy B Liu W Gilbert S | 1997 | Physical Chemstry B1997，101，10： | 1 |
| 19 | Development of a nongenetic mouse model of type 2 diabetes 显示文摘 | Gilbert ER Fu Z Liu D | 2011 | Exp Diabetes Res2011，，41： | 1 |
| 20 | Prolonged dystrophin expression and functional correction of mdx mouse muscle following gene transfer with a helper-dependent (gutted) adenovirus-encoding murine dystrophin显示文摘 | Gilbert R Dudley RW Liu AB | 2003 | Hum Mol Genet2003，12，11： | 1 |
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