Warning signal analysis method of regulation and control center and intelligent warning system based on warning signal analysis method of regulation and control center

Abstract

The invention relates to the technical field of grid fault treatment and particularly provides a warning signal analysis method of a regulation and control center and an intelligent warning system based on the warning signal analysis method of the regulation and control center. Real-time monitoring and comprehensive analysis of SCADA / EMS warming signals are achieved on the basis of two intelligent methods of an external rule and an internal expert knowledge base, the current situation that the warning signals are isolated from one another and are disordered is changed, and a fault and an exception in a power grid can be timely found out through correlation analysis. The external rule definition function of the system is completely open to users, authorized users all can log onto a rule maintenance interface and carry out corresponding operations to meet the regulation and control integration operation requirements of a large power grid, and a dispatcher is assisted in analyzing the grid fault, so that the accident emergency treatment efficiency and capability are improved and safe and stable operation of the power grid is ensured.

Description

technical field [0001] The invention relates to the technical field of power grid fault processing, in particular to an analysis method for an alarm signal of a control center and an intelligent alarm system based on it. Background technique [0002] At present, the large-scale promotion and construction of grid control integration makes the control center a key link in the analysis and processing of massive information. The collection of massive information has brought a great impact on the monitoring screen of the operator on duty, especially when an accident occurs in the power grid, various equipments move frequently, and the operator on duty is often at a loss. When multiple faults occur in the power grid at the same time, or when some faults are not processed and other faults occur continuously, a large number of signals will be transmitted to the SCADA / EMS system. When the monitor reports the accident information to the dispatcher, it is often difficult and time-cons...

AI Technical Summary

Problems solved by technology

[0004] Moreover, the existing alarm information processing methods relying on the experience and decision-making of the watchman are inefficient, and may even cause wrong or missed judgments on alarm events, which will affect the safe and reliable operation of the power system.

In addition, the uploaded alarm information may also have the following problems: 1) Misreporting and rejection of alarm information: most remote signaling signals are obtained from field switches, auxiliary contacts of knife switches, and auxiliary contacts of secondary circuit signal relays. Points, coil jitter and poor contact, strong electromagnetic interference in the remote signal collection circuit and other reasons will cause false alarms and rejections of alarm information; 2) Alarm information changes too fast: in the case of complex faults in the power grid, hundreds of A piece of alarm information floods into the control center in an instant, while the previously transmitted alarm information is no longer displayed due to page refresh, and may be forgotten or ignored by the monitoring staff on duty; 3) There is a lack of correlation between alarm information: the occurrence of an event may Corresponding to multiple alarm information, these alarm information are not isolated from each other, but have multiple relationships

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