Results 191 to 200 of about 17,363 (249)

Improving Antenna Performance by Combining Dipole and Bowtie Antenna for Partial Discharge Measurement in Gas Insulated Switchgear

2022 IEEE International Conference in Power Engineering Application (ICPEA), 2022
Electromagnetic waves on Partial Discharge (PD) that occur in Gas Insulated Switchgear (GIS) have frequency value in Ultra High Frequency (UHF) range (300 MHz – 3 GHz). So that, PD waves in GIS can be detected using UHF Antenna sensor. In this paper, the
Taufik Rhamdhani, U. Khayam, A. Zaeni
semanticscholar   +1 more source

A Prioritization Method for Switchgear Maintenance Based on Equipment Failure Mode Analysis and Integrated Risk Assessment

IEEE Transactions on Power Delivery
Switchgear is one of the key equipment in power grids. A proper maintenance strategy maximizes the cost-efficiency of switchgear maintenance expenses, meanwhile minimizing the power grid failure risk.
Nan Zhou, Yan Xu
semanticscholar   +1 more source

Trends in High Voltage Switchgear Research and Technology

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING
High voltage switchgear is an essential element for the transformation of energy systems towards sustainable and low carbon footprint technologies by electrification of society and industry.
Martin Seeger, Felipe Macedo, U. Riechert, M. Bujotzek, A. Hassanpoor, Jürgen Häfner   +5 more
semanticscholar   +1 more source

Design and Development of a Prototype Operating Parameters Monitoring System for High-Voltage Switchgear Using IoT Technologies

IEEE Transactions on Power Delivery
Currently, almost all high-voltage switchgear and gas-insulated systems (GIS) are filled with SF6 under pressure. Accidental leakage of SF6 has dramatic effects on both the environment and the equipment itself.
E. Fylladitakis, Antonios X. Moronis
semanticscholar   +1 more source

Corona Onset Characteristics of Contact Box in Switchgear With Condensation Under High Humidity and Pollution Conditions

IEEE Transactions on Components, Packaging, and Manufacturing Technology, 2022
Corona discharge occasionally occurs to the contact box of switchgear due to condensation under high humidity and pollution conditions, which may result in a switchgear insulation fault.
Shengwen Shu, Junwei Xu, Shaomei Shi, Dengfeng Wei, Yong Huang, Zhiwen Bian   +5 more
semanticscholar   +1 more source

Research on Temperature and Humidity Prediction Model of High Voltage Switchgear Based on SSA-BP Algorithm

2022 4th International Conference on Smart Power & Internet Energy Systems (SPIES), 2022
Moisture and condensation in high voltage switchgear will cause corrosion of parts, degradation of insulation performance and surface discharge.
Shen Genqiang, Zhang Longchao, Zhu Jiyun, Xu Min, Zhu Mengzhou, Chong Pei   +5 more
semanticscholar   +1 more source

Simulation and Rapid Performance Evaluation of Temperature Rise Distribution in High-Voltage Switchgear

2024 IEEE 7th International Electrical and Energy Conference (CIEEC)
High-voltage switchgear is widely used in power transmission and distribution networks, and its temperature rise performance under long-term electrification is directly related to the safety and reliability of power supply.
Wenqiang Yang, Yi Juan, Chunjiu Wu, Dai Jing, Li Jieyu, Jianwei Jin   +5 more
semanticscholar   +1 more source

Partial discharge detection, diagnosis, and location technology based on a novel transient earth voltage-ultrasonic integrated sensor used for switchgear equipment.

Review of Scientific Instruments
Medium-voltage (MV) switchgear and gas insulated switchgear (GIS) are essential components of power-grid systems. Their safe operation is crucial for the electricity consumption of users.
Xutao Han, Haotian Wang, Yuan Sun, Huan Chen, Xuan Meng, Yang Zhou, Xuanrui Zhang, Junhao Li   +7 more
semanticscholar   +1 more source

A Comparison of PD Detection Techniques for Complete Assemblies of Air-Insulated Switchgear

Electrical Insulation Conference, 2022
This publication presents a comparison between conventional PD measurements, TEV PD detection and ultrasonic PD detection applied on medium-voltage air-insulated switchgear.
M. Lachance, Francis Rosa
semanticscholar   +1 more source

A Linear Capacitive Sensor for ppm Moisture Measurement in SF₆ Gas-Insulated Switchgear

IEEE Transactions on Instrumentation and Measurement, 2021
Moisture measurement and control is very essential for gas-insulated switchgear (GIS). For safe and reliable operation, the moisture inside GIS needs to be kept within the prescribed limit. This article presents a capacitive sensor for traces of moisture
Z. H. Zargar, Kazi Jabed Akram, G. Biswal, T. Islam   +3 more
semanticscholar   +1 more source