Libin Hu
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View article: GDSMOTE: A Novel Synthetic Oversampling Method for High-Dimensional Imbalanced Financial Data
GDSMOTE: A Novel Synthetic Oversampling Method for High-Dimensional Imbalanced Financial Data Open
Synthetic oversampling methods for dealing with imbalanced classification problems have been widely studied. However, the current synthetic oversampling methods still cannot perform well when facing high-dimensional imbalanced financial da…
View article: Teaching Experiment and Effect Analysis on Geospatial Thinking Cultivation among Senior High School Students under the Concept of Core Literacy
Teaching Experiment and Effect Analysis on Geospatial Thinking Cultivation among Senior High School Students under the Concept of Core Literacy Open
Spatial thinking is the core thinking in geography discipline and also the necessary prerequisite for regional cognition, comprehensive thinking and geographical practice. Cultivating geospatial thinking among senior high school students p…
View article: Feasibility Study on Online Diagnosis of Aging and Deterioration of Medium Voltage (MV) Three-Core Cable Based on Impedance Spectroscopy
Feasibility Study on Online Diagnosis of Aging and Deterioration of Medium Voltage (MV) Three-Core Cable Based on Impedance Spectroscopy Open
In order to explore the feasibility of impedance spectroscopy in the application of online diagnosis of aging and deterioration of medium voltage (MV) three-core cables, based on the theory of transmission line equation, an aging and deter…
View article: Detection of Irregular Sheath Current Distribution for Diagnosis of Faults in Grounding Systems of Cross-Bonded Cables
Detection of Irregular Sheath Current Distribution for Diagnosis of Faults in Grounding Systems of Cross-Bonded Cables Open
Sheath currents in high voltage cable circuits have proven to be one of the most convenient indicators for assessing cable health. The sheath currents are regularly distributed with fluctuation in a certain range under normal conditions, w…
View article: Analysis of influencing factors on buffer layer discharge for high‐voltage XLPE cable
Analysis of influencing factors on buffer layer discharge for high‐voltage XLPE cable Open
In the high‐voltage (HV) cross‐linked polyethylene (XLPE) cable, the buffer layer has the function of electrical connection and water‐blocking. However, after water invades cables, the buffer layer discharge defect may occur, which can lea…
View article: Diagnosis and Location of Power Cable Faults Based on Characteristic Frequencies of Impedance Spectroscopy
Diagnosis and Location of Power Cable Faults Based on Characteristic Frequencies of Impedance Spectroscopy Open
Power cable condition diagnosis and deterioration location rely on signatures of aging characteristics which precede the final breakdown. The purpose of this study was to investigate how to diagnose and locate the aging and/or deterioratio…
View article: Research on Fire Prediction Method of High-Voltage Power Cable Tunnel Based on Abnormal Characteristic Quantity Monitoring
Research on Fire Prediction Method of High-Voltage Power Cable Tunnel Based on Abnormal Characteristic Quantity Monitoring Open
The proportion of cable lines in the urban distribution network is increasing. The fire hazard of important cable channels is prominent, which has a serious effect on the safety and stable operation of the power system. In recent years, in…
View article: A Novel Model of Partial Discharge Initiation in Cable Insulation
A Novel Model of Partial Discharge Initiation in Cable Insulation Open
Urban power transmission and distribution rely on safe operation of vast network of power cables. Majority cable insulation defects can result in partial discharge (PD), which is therefore a degradation mechanism as well as a good indicato…
View article: Aging Characteristics of XLPE Insulation of 110 kV Cables in the Initial Stage of Operation
Aging Characteristics of XLPE Insulation of 110 kV Cables in the Initial Stage of Operation Open
The aging characteristics of the XLPE insulation of 110 kV power cables in the initial stage of operation are studied in this paper. The XLPE insulation from cables with different running time was tested by using electrical and physicochem…
View article: Distributed Online Monitoring Method and Application of Cable Partial Discharge Based on $\varphi$ -OTDR
Distributed Online Monitoring Method and Application of Cable Partial Discharge Based on $\varphi$ -OTDR Open
Partial discharge (PD) is an early manifestation of multiple cable faults. The traditional PD monitoring method has a weak monitoring effect and low positioning accuracy when monitoring the PD of cable. This paper proposes a distributed on…
View article: Multi-physics coupling finite element analysis of 10kV tri-axial HTS cable
Multi-physics coupling finite element analysis of 10kV tri-axial HTS cable Open
As an important equipment of power transmission, power cable has been required better performance on cable line loss and current ampacity to achieve its high reliability. This paper proposes an advanced application of superconducting trans…
View article: Online Loss Parameters Diagnosis Device Development of Power Cable Insulation
Online Loss Parameters Diagnosis Device Development of Power Cable Insulation Open
In southern China, power cable lines often running in water, and the state of XLPE insulation is difficult to detection effectively.This paper studied loss parameters online diagnosis technology of power cable insulation.An online loss par…