Search Results - "Ding, Yujian"
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Preparation of Cu2+/TA/HAP composite coating with anti-bacterial and osteogenic potential on 3D-printed porous Ti alloy scaffolds for orthopedic applications
Published in Open life sciences (08-02-2024)“…Because of stress shielding effects, traditional titanium (Ti) alloy scaffolds have a high elastic modulus, which might promote looseness and bone…”
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2
Measurement of discharge channel based on background oriented schlieren technique using an optimized algorithm
Published in AIP advances (01-06-2021)“…Thermal ionization is the main characteristic of long air gap breakdown. Using the thermal characteristics of the discharge channel can not only analyze the…”
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3
Breakdown characteristics and voltage calculations of large-size sphere-plane long air gaps
Published in Electrical engineering (01-12-2023)“…With the increase in voltage level, the size of the metal fittings used in the valve hall or DC field of HVDC converter station becomes larger and larger. The…”
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4
Electric field characteristics of UHV DC tension string during insulator replacement by two workers
Published in IET science, measurement & technology (01-03-2022)“…The UHV DC tension insulator strings are often large‐tonnage suspension porcelain or glass insulators with high mechanical strength. The single insulator is…”
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5
Intelligent computing of positive switching impulse breakdown voltage of rod-plane air gap based on extremely randomized trees algorithm
Published in Electrical engineering (01-12-2021)“…The insulating strength of an air gap is an important basis for external insulation design of power transmission and transformation project, and both gap…”
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Restrike characteristics of vacuum circuit breaker in its opening process under DC voltage
Published in IET science, measurement & technology (01-10-2023)“…Abstract The restrike of vacuum circuit breaker during the breaking process causes overvoltage and intensifies the insulation deterioration of high‐voltage…”
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7
Construction technology of graph and model mutual capacity in smart substation
Published in Energy reports (01-09-2023)“…In order to meet the requirements of automatic mapping of the smart substation models, based on the application requirements of the smart substation model…”
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Electric Field Distribution and Switching Impulse Discharge under Shield Ball Surface Scratch Defect in an UHVDC Hall
Published in Energies (Basel) (01-06-2018)“…The dimension and surface state of shielding fittings in ultra high voltage direct current (UHVDC) converter station valve halls have a great influence on…”
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9
Design and application of electron energy measurement system based on silicon photodiode
Published in AIP advances (01-01-2020)“…The change in electron energy is the key to ionization. Studying the change law plays an important role in analyzing the gap discharge process. In this paper,…”
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10
Discharge Simulation of Typical Air Gap Considering Dynamic Boundary and Charge Accumulation
Published in IEEE transactions on plasma science (01-11-2016)“…The simulation of typical air-gap discharge process is of great significance to the long air-gap discharge mechanism and UHV transmission project design. A…”
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11
Bird-related fault analysis and prevention measures of ±400 kV Qinghai-Tibet DC transmission line
Published in Energy reports (01-11-2021)“…Birds’ activities may cause short-circuit damages of transmission line (TL), especially in the areas without tall trees and other vegetation. ±400 kV…”
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12
Study on clearance optimisation and altitude correction of 750 kV AC side for UHVDC converter transformer
Published in Journal of engineering (Stevenage, England) (01-03-2019)“…AC system which ±800 kV converter station access to commonly used 500 kV voltage level. With the construction of the Northwest Energy Base, a large number of…”
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13
Transcription factor PITX3 gene in Parkinson's disease
Published in Neurobiology of aging (01-04-2011)“…Abstract PITX3 is a transcription factor important for the differentiation and survival of midbrain dopaminergic neurons during the development. Recent reports…”
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14
Study on the influence of rainfall on the electric field distribution and switching impulse voltage of large-size sphere–plane gap
Published in Journal of engineering (Stevenage, England) (01-03-2019)“…Previously, the research about the influence of rainfall on the discharge characteristics of the gap mainly focused on the severe non-uniform electric field…”
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15
Study on the optimisation of the end fittings of the DC disconnector
Published in Journal of engineering (Stevenage, England) (01-03-2019)“…The disconnector is the key electrical equipment in DC field. In China, the ±1100 kV DC project uses the indoor DC field, where the switching impulse withstand…”
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16
Stepping Development of 6-m Long-Gap Discharge Produced by Standard Switching Impulse
Published in IEEE transactions on plasma science (01-10-2014)“…A switching overvoltage discharge experiment was conducted on a simulated tower head. The gap spacings among the six-multiple conductor, the cross arm, and the…”
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17
Experiment on leader propagation characteristics of air gaps in UHVDC transmission towers under positive switching impulse voltages
Published in CSEE Journal of Power and Energy Systems (01-09-2015)“…Rapid developments in EHV/UHV transmission systems require a deeper understanding of the mechanism of long air gap discharge. Leader propagation is one of the…”
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18
Experimental Study On Bird Streamer Flashover for V-Type Insulators of DC Transmission Line in High Altitude Area
Published in IEEE transactions on power delivery (01-04-2023)“…In order to obtain the bird streamer flashover characteristics in high altitude areas, the discharge of DC V-type string insulators was studied in…”
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19
Research on the current compensation mechanism of FJTL in ERSFQ
Published in Physica. C, Superconductivity (15-12-2023)Get full text
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20
Computation of breakdown voltage of long rod-plane air gaps in large temperature and humidity range under positive standard switching impulse voltage
Published in Electric power systems research (01-10-2020)“…•An intelligent calculation method of U50 of rod-plane gap is proposed.•This method is superior to the atmospheric correction at extreme temperature and…”
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