DL/T 1663-2016 in English

This document provides guidelines for the online monitoring and intelligent diagnosis of relay protection systems in smart substations. It covers the technical requirements, functions, and performance indicators for online monitoring systems, as well as the principles and methods for intelligent diagnosis. The content includes the structure and composition of the monitoring system, data collection and processing procedures, communication protocols, and the integration of diagnostic algorithms. It also outlines the requirements for system reliability, accuracy, and real-time performance. The document serves as a reference for the design, implementation, and operation of relay protection monitoring and diagnostic systems in smart substations, aiming to enhance the safety, stability, and efficiency of power systems.