Method for calculating the link importance of power communication network based on link availability

摘要

With the continuous deepening of the construction of power communication networks, the protection of sites in power communication networks has become increasingly mature. However, there are fewer studies on link protection. This paper proposes a method for calculating the link importance of power communication network based on link availability. This method calculates the probability of normal transmission of each service through the link availability rate and service work route in the power communication network. Combining the number of services and the importance of each service, the service importance of the active and the standby routes carried by each link are calculated. The link importance of the power communication network is finally obtained. This paper combines the characteristics of the active and standby routes unique to the power service, and uses the service importance carried by the link in the power communication network to quantify the link importance. The link importance is corrected by the availability of each link to overcome the traditional method whose evaluation results are not accurate.