摘要
阐述了中低压开关柜母线装设电弧光保护的必要性,介绍了电弧光保护装置的设计原理、关键技术及电弧光保护应用实例。现场运行表明,电弧光保护装置可以快速准确地切除母线和开关柜故障,保护母线和开关柜的安全。
Describe the necessity of the medium and low voltage switch cabinet bus equipped with arc light protection. Introduce the design principle of the arc light protection device, key technology and application examples. The site running shows that the arc light protection device can quickly and accurately remove the bus and switch cabinet fault, therefore, protecting the safety of the bus and switch cabinet.
出处
《冶金设备管理与维修》
2016年第6期18-22,共5页
Metallurgical Equipment Management and Maintenance
关键词
中低压开关柜
电弧光保护
光度学余弦原理
无源光传感器
工频变化量
Medium and low voltage switch cabinet, arc light protection, photometry cosine principle, passive optical sensor, power frequency variation