牵引供电系统电压互感器状态监测及自动切换方法  

Status Monitoring and Automatic Switching Method for Potential Transformer of Traction Power Supply System

作　　者：吴光龙 WU Guanglong

机构地区：[1]中国铁路兰州局集团有限公司嘉峪关供电段

出　　处：《电气化铁道》2024年第3期9-12,共4页Electric Railway

摘　　要：电压互感器是牵引供电系统中的重要器件,其运行状态关系到供电系统的安全稳定。本文提出一种电压互感器状态检测及自动切换方法,根据监测结果对电压互感器运行状态进行评估,为设备检修提供依据,降低人力成本;应用新型电压互感器自动切换方法,能够更加灵敏且全面地将故障电压互感器自动切换到备用互感器,确保供电系统供电连续性和稳定性。Potential transformers are important components in traction power supply system,and their operating status is related to the safety and stability of the power supply system.The paper puts forward a method for inspecting and automatically switching of the status of potential transformers.Based on the monitoring results,the operating status of potential transformers is evaluated,providing a basis for maintenance of equipment and reduction of labor costs.The application of a new automatic switching method for potential transformers is able to switch the faulty potential transformers with more flexibility and sensitivity to the backup transformers,ensuring the continuity and stability of the power supply system.

关 键 词：牵引供电系统 电压互感器 状态监测 状态评估 自动切换 

分 类 号：U224.24[交通运输工程—道路与铁道工程]