随着时代的发展,计算机技术和通信技术在不断的进步,电力系统继电保护原理和技术上都有了很大的变化。保护装置的可靠性研究继电保护及自动化装置,电力系统容量的不断增加,范围也越来越广,日益复杂的电源系统结构,可靠的保护措施就显得尤为重要,因此,很有必要对继电保护的可靠性进行研究。 With the development of the times, computer technology and communication technology are making constant progress, and the principle and technology of power system relay protection have undergone great changes. Research on the Reliability of Protection Devices As the protection and automation devices of relay protection and power systems continue to increase in capacity and range, the increasingly complex structure of power supply system and reliable protection measures are of particular importance. Therefore, The reliability of electrical protection is studied.