DL/T 2195-2020 in English

This document provides guidelines for the calculation of frequency stability in power supply systems that incorporate new energy sources and small hydropower. It outlines methods and procedures for analyzing the dynamic behavior of these systems under various operating conditions. The content includes definitions, principles, and technical requirements related to frequency regulation and control. Additionally, it addresses the impact of renewable energy integration on system stability and offers recommendations for ensuring reliable operation. The document serves as a reference for engineers and planners involved in the design, operation, and maintenance of power systems with distributed energy resources. It covers key aspects such as modeling approaches, simulation techniques, and performance criteria for frequency stability assessment. The information presented is intended to support the development of robust and efficient power supply systems that can accommodate the increasing share of variable generation sources.