The Analysis Of Relay Protection And Calculation Method Base On Yuncheng Electric Power System

Based on the relay analysis and relay configuration of the Yuncheng power network relay protection we drew out a project. In narrow sense, it gives equipment a right protective action. In broad sense, it works out a systemic of relay protection that answers to the change of Yuncheng power network equipment and setting manner. This forms a unity of the protective equipment and type selection to power network configuration and setting coordination that ensures the safe and reliable operation of power network extremely. After analyzing the first operation mode of Yuncheng power network, the first and the second equipment configuration and operation, this paper sets up a scheme on setting and coordination of Yuncheng power network and attention pointing on maintenance, and checks out equipment operation. The scheme reasonably uses the Regulation Procedures on Relaying Protection and Automatic Equipment Setting Coordination promulgated by China Ministry of Energy. It also gives attention to the requirements of relaying protection. The aim is to sum up the practical problems and resolved methods during the application, to build foundation of safe and reliable operation on regional power network relaying protection, and to improve the safe and reliable operation of power network.