Research on on-line monitoring and accident inversion scheme of smart substation

Due to the various characteristics of smart substation, such as digitization, integration, low carbon and environmental protection, it has been widely used in recent years. But because of its excessive reliance on the network and communications, many accidents of smart substation secondary system have been occurred. In this paper, an on-line monitoring and accident inversion scheme is proposed, which could be used to judge the health status of the substation before the accident occurs. The research result of this paper can realize the pre-accident warning, accident evaluation, post-accident inversion, and provide the quantitative basis for the whole life cycle management and state maintenance of the secondary equipment.