Method for prewarning and monitoring failures of secondary equipment of power system

Abstract

The invention provides a method for prewarning and monitoring failures of secondary equipment of a power system. Based on the real-time acquisition of power consumption data information of the secondary equipment and data collecting and sharing of a data communication network, the warning fault state of the secondary equipment are logically forecasted and judged in situ by a master station system, and the result can be provided for dispatching personnel, protection personnel and maintenance personnel to serve as the reference of operation and maintenance in the next step. The method provided by the invention perfects the operation monitoring method of the secondary equipment, no longer completely relies on the warning information of the secondary equipment per se and provides auxiliary monitoring measures; by adopting the method, abnormal operation of the secondary equipment can be quickly discovered, and personnel on site can be reminded of resolving the problem promptly, so that further expansion of accidents is prevented and the incidence of burning during operation of the secondary equipment is effectively reduced; the whole-life management strategy of the secondary equipment is helped to be built, new management references are introduced and the management and maintenance of the secondary equipment of the whole system are perfected.

Description

technical field [0001] The invention belongs to the technical field of electric power automation and communication, and in particular relates to a method for early warning and monitoring of secondary equipment faults in a power system. Background technique [0002] Traditional power system secondary equipment mainly includes relay protection, safety automatic device, fault recording, local monitoring and telecontrol system. With the rapid development of computer technology and communication technology, the demand for smart grid, UHV system and new energy, there will be more demand for intelligent secondary equipment. In actual operation, power system failures caused by secondary equipment occur from time to time. When analyzing the malfunction and refusal of secondary equipment, it is found that carrying out secondary equipment status monitoring can effectively reduce a large number of repairs and maintenance on secondary equipment Work, discover potential failures of secon...

AI Technical Summary

Problems solved by technology

At present, the secondary equipment failure alarm monitoring is generally based on the self-check alarm information of the secondary equipment itself, which will cause false positives and false positives when the secondary equipment itself fails.

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