It can be concluded from a series of statistical literature about the operating level of protection devices [1] that there are a few “misoperation” and “refuse-to-operate” samples, that is, the failure samples in the working life of protection devices
It can be concluded from a series of statistical literature aboutthe operating level of protection devices [1] that there are afew “misoperation” and “refuse-to-operate” samples, that is, thefailure samples in the working life of protection devices