Relay protection system-level test-oriented defect automatic positioning method

The invention discloses a relay protection system-level test-oriented defect automatic positioning method, which comprises the following steps: establishing an intelligent substation process layer network data flow model, and providing a relay protection system-level test-oriented defect automatic positioning method based on the model. By means of the method, during acceptance check, debugging and regular check of the relay protection system, automatic defect positioning is achieved according to the test result. The invention provides a relay protection system-level test-oriented defect positioning method, and establishes a relay protection data flow model which comprises a port connection model and a message publishing/subscribing model. Based on the model, the invention provides a defect positioning method for a relay protection test, and example analysis shows that the defect positioning method can accurately position the defect to a fault port and an adjacent link thereof, can effectively help testers to