DL/T 823-2017 in English

This standard outlines the technical specifications for the anti-time current protection function, focusing on the design and implementation of protective mechanisms in power systems. It provides detailed guidelines on the operational requirements, performance criteria, and testing procedures to ensure the reliability and effectiveness of such protection systems. The document covers key aspects including the principles of current protection, the configuration of protective relays, and the coordination between different protective devices. Additionally, it addresses the necessary conditions for the proper functioning of the protection system under various fault scenarios. The standard also includes provisions for the selection and application of protective equipment, ensuring compatibility with existing power infrastructure. Overall, it serves as a comprehensive reference for engineers and technicians involved in the planning, installation, and maintenance of power protection systems.