Transformer station automation equipment fault diagnosis system

Abstract

The invention discloses a transformer substation automation equipment fault diagnosis system which comprises a fault diagnosis device, an automatic diagnosis platform, a display module and a telecontrol communication device. The display module is connected with the automatic diagnosis platform and is used for displaying monitoring information in the station; the fault diagnosis device is connected with the automatic diagnosis platform, and the automatic diagnosis platform is in remote interconnection with a superior dispatching system through the telecontrol communication device; the automatic diagnosis platform comprises an alarm fault management module, an equipment management module and an equipment behavior monitoring module. The system can monitor the operation condition of the substation automation equipment in real time, find equipment fault points in time, report fault information and judge the fault level, so that the safety management efficiency and quality of the substation automation equipment are remarkably improved, and a large amount of economic loss caused by accidents is effectively avoided.

Description

Technical Field

[0001] The invention belongs to the field of substation information detection, and in particular relates to a substation automation equipment fault diagnosis system. Background Art

[0002] Substation automation equipment is an important equipment to ensure the safe and stable operation of the power system. It is responsible for monitoring, supervision, and protection of power grid equipment operation. However, due to the current disadvantages of substation automation equipment information collection relying on the on-site network environment and independent and scattered collection of information, when the on-site network environment is abnormal, the station alarm information cannot be sent to the power dispatching department in time or the sent information is independent and scattered, and the cause of the on-site fault cannot be comprehensively determined. There is an urgent need for a substation automation equipment fault diagnosis system. Summary of the invention

[0003] In order to address the deficiencies in the prior art, the present invention aims to provide a substation automation equipment fault diagnosis system, which can monitor the operating status of the substation automation equipment in real time, promptly find the equipment fault point, report the fault information and judge the fault level, thereby significantly improving the safety management efficiency and quality of the substation automation equipment, and effectively avoiding a large amount of economic losses caused by accidents.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is: A fault diagnosis system for substation automation equipment, comprising a fault diagnosis device, an automatic diagnosis platform, a display module and a telecontrol communication device; the display module is connected to the automatic diagnosis platform and is used to display monitoring information in the station; the fault diagnosis device is connected to the automatic diagnosis platform, and the automatic diagnosis platform is remotely connected to a superior dispatching system through the telecontrol communication device; the automatic diagnosis platform comprises an alarm fault management module, an equipment management module and an equipment behavior monitoring module; The alarm fault management module is used to analyze the alarms of all types of equipment by situation and category, and to classify the fault alarms into important levels for processing; The device management module is used to monitor the online operation status of the device, count the online rate of the device within a certain period and the frequency of a certain alarm of the device within a certain period; The device behavior monitoring module mainly monitors behaviors including device login behavior, device network port status behavior, and device external access behavior, and records external operations of the device over a period of time, compares the fault alarm time, and determines whether the alarm is caused by human factors.

[0005] Furthermore, the alarm fault management module divides the importance levels of fault alarms into: emergency alarm, major alarm, and minor alarm.

[0006] Furthermore, the fault diagnosis device includes a router alarm submodule, a switch alarm submodule, a vertical encryption alarm submodule and a network security monitoring device alarm submodule.

[0007] Further, the monitoring contents of the router alarm submodule include router power failure, router fan failure, router network anomaly and router online status; Among them, the alarm level of router power failure and router fan failure is classified as important alarm; router network abnormality and router online status are judged as emergency alarm.

[0008] Furthermore, the monitoring contents of the switch alarm submodule include switch power failure, switch fan failure, switch network abnormality and switch online status; Among them, the alarm levels of switch power failure and switch fan failure are classified as important alarms; switch network abnormalities and switch online status are classified as emergency alarms.

[0009] Further, the monitoring contents of the longitudinal encryption alarm submodule include longitudinal encryption power failure, longitudinal encryption fan failure, longitudinal encryption network abnormality and longitudinal encryption online status; Among them, the alarm levels of vertical encryption power failure and vertical encryption fan failure are classified as important alarms; vertical encryption network abnormalities and vertical encryption online conditions are judged as emergency alarms.

[0010] Further, the detection content of the network security monitoring device alarm submodule includes power failure of the network security monitoring device, fan failure of the network security monitoring device, network anomaly of the network security monitoring device, time synchronization of the network security monitoring device and online status of the network security monitoring device; Among them, the alarm levels of power failure of the network security monitoring device, fan failure of the network security monitoring device and synchronization of the network security monitoring device are classified as important alarms; network anomalies of the network security monitoring device and the online status of the network security monitoring device are classified as emergency alarms.

[0011] Furthermore, the automatic diagnosis platform forms a fault alarm upload sequence point table for the fault alarm information, and sends it to the superior dispatching system through the telecontrol communication device in the form of 104 protocol.

[0012] Furthermore, the nine-pin serial port of the fault diagnosis device is connected to the router, switch, vertical encryption, and network security monitoring device through the console port for data collection.

[0013] The present invention has the following beneficial effects: The present invention can collect fault alarms of automation equipment such as routers, switches, vertical encryption, network security monitoring devices, etc. at the same time, conduct unified analysis and collation through the automatic diagnosis platform, comprehensively determine the cause of the fault, and use the 104 protocol to send the information to the superior dispatching department through the telecontrol communication device, thereby more effectively ensuring the collection and transmission of automation equipment fault information, saving time for automation operation and maintenance personnel to analyze and eliminate faults, and improving the stability of the power grid dispatching system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the fault diagnosis system for substation automation equipment of the present invention; Figure 2 This is a system framework diagram of the automatic diagnosis platform of the present invention. DETAILED DESCRIPTION

[0015] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not intended to limit the scope of use of the present invention.

[0016] like Figure 1-2 As shown, the present invention proposes a substation automation equipment fault diagnosis system, which realizes real-time monitoring and diagnosis of the operating conditions of the substation automation equipment, can detect faults in time, enable maintenance personnel to handle the faults in time, and effectively ensure the safe, stable and reliable operation of the dispatching automation equipment.

[0017] The system specifically includes a fault diagnosis device, an automatic diagnosis platform, a display module and a telecontrol communication device. The display module is connected to the automatic diagnosis platform and is used to display platform information in the station. The display module can use a video display to display the automatic diagnosis platform in the station through a VGA video interface.

[0018] The fault diagnosis device is connected to the automatic diagnosis platform, and the automatic diagnosis platform is remotely connected to the superior dispatching D5000 system through the telecontrol communication device. The automatic diagnosis platform can form a "fault alarm upload sequence point table" for the fault alarm and forward it to the telecontrol communication device in the form of 104 protocol, and then the telecontrol communication device will send it to the superior dispatching D5000 system.

[0019] The automatic diagnosis platform includes an alarm fault management module, an equipment management module and an equipment behavior monitoring module.

[0020] Alarm fault management module: mainly analyzes and locates all types of equipment alarms, and divides the importance of fault alarms into emergency alarms, major alarms, and minor alarms. It can handle the fault alarms of the equipment according to the situation and category, and can clearly see the importance level of the fault alarms. When processing information, arrange fault investigation and processing according to the importance level to improve the efficiency of automated operation and maintenance.

[0021] Equipment management module: mainly monitors the operating status of equipment. It can monitor the online status of equipment, count the online rate of equipment in a certain period, count the frequency of a certain alarm of equipment in a certain period, and then judge whether the equipment is faulty, whether the equipment often causes faults, whether the equipment needs maintenance, etc.

[0022] Device behavior monitoring module: mainly monitors device behavior operations. It can monitor device login behavior, device network port status behavior, device USB and other access device behaviors, and can record the external operations of the device within a period of time, and compare them with the fault alarm time to determine whether the alarm is caused by human factors.

[0023] The router, switch, vertical encryption, and network security monitoring device are connected and data collected through the console port and the nine-pin serial port of the fault diagnosis device. The fault diagnosis device includes a router alarm submodule, a switch alarm submodule, a vertical encryption alarm submodule, and a network security monitoring device alarm submodule.

[0024] The monitoring content of the router alarm submodule includes router power failure, router fan failure, router network anomaly, and router online status. Among them, the alarm level of router power failure and router fan failure is classified as important alarm, and the fault elimination suggestions are to check the power indicator and check the rotation of the device fan. The evaluation of router network anomaly and router online status is emergency alarm, and the fault elimination suggestions are to monitor the behavior of the device network port and check the router network status and operation status on site.

[0025] The monitoring content of the switch alarm submodule includes switch power failure, switch fan failure, switch network anomaly and switch online status. Among them, the alarm level of switch power failure and switch fan failure is classified as important alarm, and the fault elimination suggestions are to check the power indicator and check the device fan rotation. The switch network anomaly and switch online status are judged as emergency alarms, and the fault elimination suggestions are to monitor the device network port behavior and check the switch network status and operation status on site.

[0026] The monitoring content of the vertical encryption alarm submodule includes vertical encryption power failure, vertical encryption fan failure, vertical encryption network abnormality and vertical encryption online status. Among them, the alarm level of vertical encryption power failure and vertical encryption fan failure is classified as important alarm, and the fault elimination suggestions are to check the power indicator and check the device fan rotation. The vertical encryption network abnormality and vertical encryption online status are judged as emergency alarms, and the fault elimination suggestions are to monitor the device network port behavior and check the vertical encryption network status and operation status on site.

[0027] The detection content of the network security monitoring device alarm submodule includes network security monitoring device power failure, network security monitoring device fan failure, network security monitoring device network anomaly, network security monitoring device time synchronization and network security monitoring device online status. Among them, the alarm levels of network security monitoring device power failure, network security monitoring device fan failure and network security monitoring device time synchronization are classified as important alarms, and the fault elimination suggestions are to check the power indicator light, check the device fan rotation, and check the time synchronization status on site. The network anomaly of the network security monitoring device and the online status of the network security monitoring device are judged as emergency alarms, and the fault elimination suggestions are to monitor the behavior of the device network port and check the network security network status and operation status on site.

[0028] The automatic diagnosis platform of this system connects the alarm signal to the D5000 system, and realizes real-time online monitoring and diagnosis of substation automation equipment through the D5000 system, allowing automation operation and maintenance personnel to find the fault point of substation automation equipment at the first time, facilitating timely handling of faults, helping to improve the safety management efficiency and quality of substation automation equipment, and avoiding large economic losses caused by accidents.

[0029] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to perform equivalent replacement of some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.

Claims

1. A substation automation equipment fault diagnosis system, characterized in that: It includes a fault diagnosis device, an automatic diagnosis platform, a display module and a telecontrol communication device; the display module is connected to the automatic diagnosis platform and is used to display monitoring information in the station; the fault diagnosis device is connected to the automatic diagnosis platform, and the automatic diagnosis platform is remotely connected to the superior dispatching system through the telecontrol communication device; the automatic diagnosis platform includes an alarm fault management module, an equipment management module and an equipment behavior monitoring module; The alarm fault management module is used to analyze the alarms of all types of equipment by situation and category, and to classify the fault alarms into important levels for processing; The device management module is used to monitor the online operation status of the device, count the online rate of the device within a certain period and the frequency of a certain alarm of the device within a certain period; The device behavior monitoring module mainly monitors behaviors including device login behavior, device network port status behavior, and device external access behavior, and records external operations of the device over a period of time, compares the fault alarm time, and determines whether the alarm is caused by human factors.

2. The substation automation equipment fault diagnosis system according to claim 1, characterized in that: The alarm fault management module divides the importance levels of fault alarms into: emergency alarm, major alarm, and minor alarm.

3. The substation automation equipment fault diagnosis system according to claim 2, characterized in that: The fault diagnosis device comprises a router alarm submodule, a switch alarm submodule, a vertical encryption alarm submodule and a network security monitoring device alarm submodule.

4. The substation automation equipment fault diagnosis system according to claim 3 is characterized in that: The monitoring contents of the router alarm submodule include router power failure, router fan failure, router network anomaly and router online status; Among them, the alarm level of router power failure and router fan failure is classified as important alarm; router network abnormality and router online status are judged as emergency alarm.

5. The substation automation equipment fault diagnosis system according to claim 3, characterized in that: The monitoring contents of the switch alarm submodule include switch power failure, switch fan failure, switch network abnormality and switch online status; Among them, the alarm levels of switch power failure and switch fan failure are classified as important alarms; switch network abnormalities and switch online status are classified as emergency alarms.

6. The substation automation equipment fault diagnosis system according to claim 3, characterized in that: The monitoring content of the longitudinal encryption alarm submodule includes longitudinal encryption power failure, longitudinal encryption fan failure, longitudinal encryption network abnormality and longitudinal encryption online status; Among them, the alarm levels of vertical encryption power failure and vertical encryption fan failure are classified as important alarms; vertical encryption network abnormalities and vertical encryption online conditions are judged as emergency alarms.

7. The substation automation equipment fault diagnosis system according to claim 3, characterized in that: The detection content of the network security monitoring device alarm submodule includes power failure of the network security monitoring device, fan failure of the network security monitoring device, network anomaly of the network security monitoring device, time synchronization of the network security monitoring device and online status of the network security monitoring device; Among them, the alarm levels of power failure of the network security monitoring device, fan failure of the network security monitoring device and synchronization of the network security monitoring device are classified as important alarms; network anomalies of the network security monitoring device and the online status of the network security monitoring device are classified as emergency alarms.

8. The substation automation equipment fault diagnosis system according to claim 1, characterized in that: The automatic diagnosis platform forms a fault alarm upload sequence point table for the fault alarm information, and sends it to the superior dispatching system through the telecontrol communication device in the form of 104 protocol.

9. The substation automation equipment fault diagnosis system according to claim 1, characterized in that: The nine-pin serial port of the fault diagnosis device is connected and data is collected with the router, switch, vertical encryption, and network security monitoring device through the console port.

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