1results about How to "Simplify implementation complexity" patented technology

The application discloses a kind of on-load tap-changer internal fault diagnosis method, system, equipment and medium, it is related to power system operation monitoring and state diagnosis technical field, comprising: obtaining the insulating oil sample of on-load tap-changer;Detect the volume concentration of acetylene, ethylene and methane in insulating oil sample and obtain the volume percentage value of each characteristic gas;Establish rectangular coordinate system;Determine fault diagnosis space;In fault diagnosis space, multiple mutually non-overlapping fault sub-regions are divided out, to determine the volume percentage value of characteristic gas horizontal, longitudinal coordinate, determine target coordinate point in fault diagnosis space;According to the fault sub-region where target coordinate point is located, output the internal fault type of on-load tap-changer.The application retains the fault criterion of international standard, and the diagnosis result is consistent with traditional method, solves the problems of low interpretation accuracy, variable redundancy, machine implementation complexity and other problems existing in prior art, improves the intuitiveness, accuracy and real-time performance of on-load tap-changer fault diagnosis.