Intelligent monitoring and judging method for electric power system fault

Abstract

The invention relates to an intelligent monitoring and judging method for an electric power system fault, and belongs to the field of the electric power system control automation and intelligence. Themethod comprises the following steps: establishing a fault judging list; receiving a new alarm through background service, calling an accident fault judging interface to judge whether to meet a faultmodel triggering necessary condition; clicking an alarm lamp, and displaying a real-time fault monitoring and analyzing interface; checking alarm dictionary Ids of a data source one by one; filteringthe data source through the fault list; and sending a structural body of the current fault alarm to a man-machine real-time alarm window. The method aims to deeply research modeled extraction and a modeling technology of model monitoring information, and uses a model as an important basis of real-time alarm identifying and capturing. At the same time, on the basis of monitoring information modeling, scattered alarm signals are packed and eventalized as a piecemeal characteristic event. Workload of a monitor can be reduced by monitoring from an angle of the event, and the auxiliary analysis effect can be achieved for pre-judgement of the event.

Description

technical field [0001] The invention relates to a power system fault intelligent monitoring and judging method, which belongs to the field of power system control automation and intelligence. Background technique [0002] At present, there are a lot of information in the monitoring system of equipment fault tripping within the monitoring scope of Liaoning Electric Power Company. Generally, there are about 70 trip alarms for a single line. Classified processing affects the accident analysis and judgment of the monitors to a certain extent. [0003] The traditional accident report is based on the timing of the alarm occurrence, and the alarm can be screened, sorted, and confirmed. The monitor can complete the daily routine monitoring work through the accident report. [0004] However, the traditional accident briefing uses the time-series alarms to be displayed on the window, and the monitors need to classify and analyze the time-series alarms, which cannot be displayed intui...

AI Technical Summary

Problems solved by technology

[0004] However, the traditional accident briefing uses the time-series alarms to be displayed on the window, and the monitors need to classify and analyze the time-series alarms, which cannot be displayed intuitively according to the logic of protection actions and switch opening and closing actions. From the perspective of accident monitoring, it is very important for monitoring not intuitive

[0005] Similarly, although the traditional accident report can find faults under specific logic rules, and can extract and display characteristic information from massive alarm information, it is slightly insufficient in analysis and diagnosis, and the judgment of fault occurrence depends on the program. Hard-coded logic is not conducive to program expansion