用监视卡解决WGL-12微机型故障录波器存在的问题

Monitoring card for solving problems in WGL-12 fault recorder

故障录波器对于故障性质及保护动作行为的认定有着不可替代的重要作用。分析了WGL-12型录波器存在的缺陷。通过采用监视卡的方法,加强了对设备前台机和后台机运行状态的监控。采用了软、硬件互相监视的方法,提高录波完好率。

Fault recorder plays an important role in the identification of fault kind and protection relay performance.The defects in WGL-12fault recorder are introduced.A monitoring card is applied to enhance the status monitoring of front-end and back-end computers.Both HW and SW monitoring methods are used to improve the device availability.