1,432 Result(s)
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Chapter and Conference Paper
Predictive Model of Fiber Composite Overhead Ground Wire Gallo** Based on Improved KVSD and CS-BP Method
The optical fiber composite overhead ground wire (OPGW) holds significant importance in electric power transmission systems. However, external factors like weather can lead to abnormal waving of the OPGW, char...
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Chapter and Conference Paper
A Transformer Insulation Life Assessment Method Considering Variational Annual Load Coefficient
The transformer insulation life determines the operating state and useful life of the transformer, and accurately predicting the remaining useful life can effectively improve the transformer maintenance effici...
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Chapter and Conference Paper
Optical Detection of Corona Discharge Based on SiPM at DC Voltage
Partial discharge (PD) is a significant technique to detect and estimate the insulation fault in the gas insulated switchgear (GIS). However, the PD signal acquired on-site is always coupled with noise or inte...
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Chapter and Conference Paper
Study on the Insulation Aging Law of Switchgear Under the Synergistic Action of Electric-Wet-Thermal Multi-stress
The research on the insulation performance deterioration mechanism of switchgear insulators and the mechanical performance degradation mechanism of circuit breakers under actual working conditions is of great ...
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Chapter and Conference Paper
Research Review of Non-invasive Load Monitoring
Non-invasive load monitoring technique is to decompose the total load profile into the separate load profiles of each connected electrical equipment and to identify the operation status of each connected equip...
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Chapter and Conference Paper
Method to Detect Arc Across Pantograph-Catenary Structure Atop Train Based on Frequency Features of Entry Current
During a train running at speed, the pantograph-catenary structure atop the train would be influenced by many factors, resulting in disconnections. A timely detection on arcs across this structure helps to gui...
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Chapter and Conference Paper
Reactive Power and Voltage Control Method of Regional Power Grid Considering Optimal Regulation Cost
In order to solve the problem that the voltage exceeds the limit and the reactive power flow fluctuates violently after the high proportion of new energy is connected, which leads to the problem that the actio...
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Chapter and Conference Paper
Risk Coupling Analysis of Railroad Accident Based on Two-Layer N-K Model
Railroad accident risk analysis is crucial for railroad accident prevention and active safety assurance. In this paper, we adopt coupled risk theory to analyze the traffic safety risk of railroad transportatio...
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Chapter and Conference Paper
Design and Simulation of High Voltage DC Circuit Breaker Based on Voltage Source Inverter Assisted Oscillation
According to the characteristics of voltage source converter-based high-voltage dc (VSC-HVDC) transmission systems, this paper analyzes the shortcomings of existing high-voltage DC circuit breakers, and based ...
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Chapter and Conference Paper
Extraction-Free Absorption Spectrometric Analysis of Dis-Solved Furfural in Transformer Oils
Dissolved furfural in transformer oil is the product of deterioration of insulating paper in transformer, and its content is a powerful chemical characteristic quantity to assess the aging of transformer insul...
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Chapter and Conference Paper
Stochastic Assessment of Voltage Sag in Unbalanced Distribution System with Distributed Generators
The interruption of sensitive equipment due to voltage sag can cause huge economic loss, and thus the study of sag evaluation is of great significance for voltage sag control. In this paper, a stochastic asses...
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Chapter and Conference Paper
The Design of Hose Working Cabin Based on 3D Printing
In recent years, with the continuous innovation and development of material technology and processing technology, flexible pipelines made of non-metallic materials have shown strong advantages. Compared with t...
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Chapter and Conference Paper
FDR Cable Defect Detection Method Based on Attenuation Compensation
A cable defect detection method based on attenuation compensation is proposed to address the current issue of frequency domain reflection (FDR) method in detecting cables, where the signal attenuates significa...
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Chapter and Conference Paper
Study on the Influence of Ice Weight on AC Flashover Performances of Natural Icing Insulators
At Xuefeng mountain test base, this paper carried out the icing flashover tests for insulators (4 types) with different pollution degrees and icing weights. The influence of salt deposit density (SDD), icing weig...
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Chapter and Conference Paper
A New Control Method of VSC to Supporting Instantaneous Voltage at PCC Point
In recent years, the engineering practice shows that the VSC has obvious drawbacks when it is connected to weak grid. It is easy to cause insufficient voltage support at PCC point of power systems. In order to...
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Chapter and Conference Paper
Multi-level Simulation Modeling Technology for Urban Rail Traction Power Supply System
The structure of urban rail traction (URT) power supply system is complex and includes multiple levels. Conventional modeling methods focus on a single level, neglecting the correlation between multiple levels...
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Chapter and Conference Paper
Transformer Hot Spot Temperature Prediction Method Based on LM-UGO Algorithm
The transformer hot spot temperature determines the operating state and useful life of the transformer, and accurately predicting the hot spot temperature can effectively improve the transformer maintenance ef...
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Chapter and Conference Paper
Construction and Application of Knowledge Graph in Electric Power Field
In the process of the gradual deepening of the electric power system informatization construction, a large amount of electric power data is accumulated in the electric power field (EPF). In order to effectivel...
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Chapter and Conference Paper
Nanodiamond Modified Micron Alumina for Improved Breakdown Voltage and Thermal Conductivity of Epoxy Composites
The high power and miniaturised design of power equipment brings serious heat dissipation problems and better requirements for the thermal conductivity of epoxy composites. The high thermal conductivity epoxy ...
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Chapter and Conference Paper
8kW Non-magnetic RF Power Amplifier of 5T Human Body Magnetic Resonance
The ultra-high field magnetic resonance imaging (MRI) system has become a key focus of clinical and scientific research due to its remarkable sensitivity and resolution. However, achieving whole-body MRI at ul...
