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Information Recording Method for Expert Diagnosis of Power System Faults

A technology of expert diagnosis and power system, applied in the direction of fault location, information technology support system, fault detection according to conductor type, etc., can solve faults, abnormal operation status and other problems, achieve the effect of accelerating the diagnosis process and ensuring reliability

Active Publication Date: 2022-07-26
厦门盈盛捷电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All electrical components, equipment and systems are usually in normal operation, but may also be faulty or abnormal

Method used

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  • Information Recording Method for Expert Diagnosis of Power System Faults
  • Information Recording Method for Expert Diagnosis of Power System Faults
  • Information Recording Method for Expert Diagnosis of Power System Faults

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Please refer to figure 1 and figure 2 , showing a power system fault diagnosis expert system provided by the present invention.

[0031] The power system fault diagnosis expert system includes a diagnosis system master station. In this embodiment, the diagnosis system master station is directly set by using the network of the dispatch master station (or the centralized control master station) (hereinafter collectively referred to as the dispatch master station).

[0032] figure 1 In the figure, the left side of the dashed line is the structure of the dispatching master station, and the right side of the dashed line is the diagnosis system master station of the fault diagnosis expert system.

[0033] Depend on figure 1 It can be known that the main station of the diagnosis system in this embodiment is hung in the network structure of the dispatching main station.

[0034] like figure 1 As shown, the corresponding dispatch master station may include: a dispatch mast...

Embodiment 2

[0058] Please refer to image 3 , showing another power system fault diagnosis expert system provided by the present invention.

[0059] Most of the structure of the fault diagnosis expert system provided by this embodiment is the same as that of the previous embodiment, therefore, the corresponding content of the previous embodiment may be referred to in combination.

[0060] The same includes the same parts of the main station of the diagnosis system, specifically the main station of the diagnosis system includes: a data storage structure, an expert knowledge base, a front-end server, an analysis engine and a running workstation; wherein, the data storage structure may include a data server and a disk array ; In addition, it also includes maintenance workstation, emergency command center interface server, WEB server, cloud expert system interface server, firewall, network device and output device (the output device can be a printer), etc.; Access to synchronous clock, SCADA...

Embodiment 3

[0068] Please refer to Figure 4 , showing another power system fault diagnosis expert system provided by the present invention.

[0069] Most of the structure of the fault diagnosis expert system provided by this embodiment is the same as that of the previous embodiment, therefore, the corresponding content of the previous embodiment may be referred to in combination.

[0070]These same structures include the corresponding identical structures of the main station structure of the diagnosis system. Specifically, the main station of the diagnosis system includes: a data storage structure, an expert knowledge base, a front-end server, an analysis engine and a running workstation; wherein, the data storage structure may include a data server and disk array; in addition, it also includes maintenance workstation, emergency command center interface server, WEB server, cloud expert system interface server, firewall, network device and output device (the output device can be a printer...

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Abstract

An information wave recording method for expert diagnosis of power system faults, comprising: defining a wave recording window period, wherein the wave recording window period includes a detection wave recording period in which wave recording is performed before a disturbance event occurs, and a wave recording period in which wave recording is performed after the disturbance event occurs. Disturbance recording period; use described detection wave recording period to carry out dynamic ring wave recording detection, in one described detection wave recording period, if the occurrence of disturbance event is not detected, then enter the next described detection wave recording period; During a described detection wave recording period, if the occurrence of a disturbance event is detected, record the disturbance event and the moment of occurrence of the event, and from the moment when the event occurs, enter the disturbance wave recording period to perform wave recording; During the wave period, if the end of the disturbance event is detected, the wave recording window period is ended, and the wave recording data is saved and sent to the analysis system. The information recording method is used to realize the recording of fault expert diagnosis information.

Description

technical field [0001] The invention relates to the field of power system fault diagnosis, in particular to an information recording method for expert diagnosis of power system faults. Background technique [0002] The power system is a system formed by connecting many power stations, substations, distribution stations and users by transmission and distribution lines. It usually consists of generators, transformers, bus bars, transmission and distribution lines and electrical equipment. Various electrical components, equipment and systems are usually in normal operation, but may also malfunction or abnormally operate. [0003] Power system failure refers to a state in which electrical components and equipment cannot work according to expected indicators, that is to say, electrical components and equipment fail to achieve the functions they should achieve. Faults include generator set faults, transformer faults, transmission line faults, Substation faults and busbar faults,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H1/00H02J13/00G01R31/08
CPCH02H1/0092H02H1/0007H02H1/0061H02J13/00G01R31/086Y04S10/52
Inventor 袁甄刘以成柯丽华
Owner 厦门盈盛捷电力科技有限公司
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