DL/T 1772-2017 in English

This standard provides detailed specifications for power direction elements, focusing on their technical requirements and performance criteria. It outlines the fundamental principles and operational guidelines necessary for the accurate measurement and direction determination of power flow in electrical systems. The document covers essential aspects such as signal processing, relay characteristics, and environmental conditions under which the devices should function effectively. Additionally, it includes provisions for testing and verification procedures to ensure compliance with established benchmarks. The standard aims to ensure consistency and reliability in the application of power direction elements across various energy power planning scenarios.