Abstract
Research on reliability of relaying protection in smart substation not only has a positive effect on the rational configuration scheme of relaying protection in smart substation, but also can promote the stability and safety of the overall operation of power system. There are many reliability strategies for relaying protection in smart substation. In practice, the key points of relaying protection should be clarified. Based on the reality, the protection configuration should be strengthened; the voltage limited delay should be used for protection, and the protection configuration scheme of actual lines should be paid attention to, so as to improve the reliability of relaying protection in smart substation and promote the realization of stable and sustainable development of power system and smart substation.
Highlights
Research on reliability of relaying protection in smart substation has a positive effect on the rational configuration scheme of relaying protection in smart substation, and can promote the stability and safety of the overall operation of power system
The protection configuration should be strengthened; the voltage limited delay should be used for protection, and the protection configuration scheme of actual lines should be paid attention to, so as to improve the reliability of relaying protection in smart substation and promote the realization of stable and sustainable development of power system and smart substation
It is so important in transformer protection system reliability of smart substation relaying protection system based on reliability, in the process of configuration of transformer substation, the transformer can be configured in a distributed way, which can disperse the system pressure of transformer to a certain extent, so as to avoid problems of transformer caused by excessive pressure, in the late configuration of the smart substation relay protection system, it is necessary to combine centralized configuration with decentralized configuration, so as to reduce the system complexity and achieve the function of transformer protection smart substation relaying protection system and improve the reliability of smart substation relay protection system
Summary
Establishing an information management system in smart substation can effectively improve the function of collecting information, transmitting information, and processing information in smart substation. Primary intelligence and secondary network are the most significant characteristics of smart substation. This application mode reduces the operating cost of substation to a large extent and improves the working efficiency of subs-. In the process of applying smart substation, the mutual inductor problem in the traditional substation is solved by using the intelligent management. The application of relaying protection device improves the substation environment and enhances the stability of the power system [1]. The role of the layer in smart substation is a transitional effect, ensuring the stability of the substation during use. The role of the relaying protection device is to maintain the stability of the smart substation to ensure the safe operation of its internal electric power unit.
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