Fault self-diagnosis system and method of substation inspection robot centralized monitoring system

Abstract

The invention provides a fault self-diagnosis system and method for a centralized monitoring system of a patrol robot of a substation. The fault self-diagnosis system comprises a centralized monitoring section fault diagnosis subsystem, a substation internal fault diagnosis subsystem and a centralized monitoring fault management subsystem. The fault self-diagnosis system is mainly used under the condition that the centralized monitoring system is connected with a plurality of substations; when some part of the centralized monitoring system is abnormal, the fault self-diagnosis system can accurately position a fault point in real time; the position of the fault point can be displayed by a centralized monitoring client; the fault quantity can be counted and recorded according to the subsystem of the fault points; and the current and historical faults can be inquired and analyzed. The fault self-diagnosis system and method can effectively achieve the functions of fault finding, fault detection and fault alarming. The fault self-diagnosis system can be used for reducing the complexity of the manual fault positioning of the centralized monitoring system and reducing the fault maintenance cost of the centralized monitoring system and has great significance for the detection and routine maintenance of the centralized monitoring system.

Description

technical field [0001] The invention belongs to the field of centralized monitoring of power system substation inspection robots, relates to the field of network and equipment fault diagnosis, in particular to a fault self-diagnosis system and method for a centralized monitoring system of substation inspection robots. Background technique [0002] With the rapid development of electronic technology, computer technology, and network technology, and the continuous improvement of power dispatching automation systems, unattended or less-attended substations have gradually become a trend. The substation inspection robot centralized monitoring system planned by the superior management department of the substation It is also developing rapidly to improve work efficiency and reduce substation operation and maintenance costs. Since the centralized monitoring system is connected to at least one station-level robot intelligent inspection system of a substation through a network, and th...

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Problems solved by technology

[0004] (1) The traditional fault diagnosis methods are all manually judged. If there is a fault in the centralized monitoring system, the approximate location of the fault is manually judged, and the fault point is located step by step. Accurately locate the root cause of the fault;

[0005] (2) Since the substation has gradually become an unattended station, the number of maintenance personnel in the station has decreased. In the face of some faults in the substation of the centralized monitoring system, it is often impossible to locate and solve them in time; the network of the centralized monitoring system is huge, and the connected substations are distributed Relatively scattered, it is impossible to grasp the overall operation of the centralized monitoring system in real time; it is impossible to understand the equipment subsystems of the centralized monitoring system and substation inspection robots in time, which greatly delays the time for fault recovery;

[0006] (3) There is no standardized fault management, the efficiency of fault location and processing is low and the process is chaotic, it is impossible to establish fault defect statistics, analysis and expert database, and there is a lack of intelligent analysis, filtering and automatic processing

[0007] (4) The existing technology not only requires high fault maintenance costs, but also has high complexity of manual positioning

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