CN105515198A - Remote intelligent inspection system and method - Google Patents

Abstract

The invention relates to the technical field of transformer substation automation, in particular to a remote intelligent inspection system and a remote intelligent inspection method. The system comprises a remote operation and maintenance master station and a state monitoring and intelligent diagnosis substation; the remote operation and maintenance master station is connected with the state monitoring and intelligent diagnosis substation through communication equipment; the state monitoring and intelligent diagnosis substation is used for acquiring secondary equipment information in a transformer substation administered by the remote operation and maintenance master station, and transmitting the secondary equipment information to the remote operation and maintenance master station through the communication equipment; the remote operation and maintenance master station displays the operating conditions of the corresponding transformer substation on a remote operation and maintenance master station interface according to the secondary equipment information, and inspects secondary equipment to form an inspection log. The inspection efficiency of an intelligent transformer substation is improved; the inspection time is saved; the operation and maintenance cost is reduced.

Description

Remote intelligent inspection system and method

technical field

The invention relates to the technical field of substation automation, in particular to a remote intelligent inspection system and method.

Background technique

At present, the inspection of the relay protection of the power grid is basically carried out by regular operation and maintenance personnel to check in front of the on-site installation of the substation. With the increase of the number of substations, the workload of the inspection is increasing. The information of electrical protection can be transmitted through the communication system. Therefore, it is of great significance to study the remote inspection of relay protection, improve the work efficiency of inspection, and reduce the workload of personnel.

Contents of the invention

The purpose of the present invention is to propose a remote intelligent inspection system and method, which improves the inspection efficiency of intelligent substations, saves inspection time, and reduces operation and maintenance costs.

For reaching this purpose, the present invention adopts following technical scheme:

As an aspect of the present invention, a remote intelligent inspection system is provided, including: a remote operation and maintenance master station and a status monitoring and intelligent diagnosis sub-station, the remote operation and maintenance master station and the status monitoring and intelligent diagnosis sub-station Connected through communication equipment, the state monitoring and intelligent diagnosis sub-station is used to collect secondary equipment information in the substation under the jurisdiction of the remote operation and maintenance master station, and transmit the secondary equipment information to the remote operation and maintenance through communication equipment The master station and the remote operation and maintenance master station display the operating conditions of the substation on the interface of the remote operation and maintenance master station according to the secondary equipment information, and perform inspections on the secondary equipment to form inspection logs.

Optionally, the inspection includes: real-time inspection, scheduled inspection and classified inspection.

Optionally, the classified inspection forms a classified inspection log, and the classified inspection log includes: communication log, action log, alarm log, protection function commissioning and withdrawal log, main transformer and bus difference differential flow log.

Optionally, the remote operation and maintenance master station interface includes a main operation interface, and the operation main interface is used to display the action state, fault state, interruption state and locked state of the substation under the jurisdiction of the remote operation and maintenance master station.

Optionally, the operation state, fault state, interruption state and blocking state of the substation are respectively represented by displaying different font colors on the main interface of the substation.

Optionally, the interface of the remote operation and maintenance master station also includes a first-level interface, which is used to monitor the current overall status of each factory station, including overall communication monitoring, overall action monitoring, and overall alarm monitoring.

Optionally, the remote operation and maintenance master station interface also includes a main wiring diagram interface of the substation, and the main wiring diagram interface of the substation is used to display: the wiring diagram of the primary equipment, the opening and closing status of the bay switch, and the secondary equipment configuration of all bays conditions and the operating conditions of the secondary equipment, the operating conditions of the secondary equipment are distinguished by the shape and color of the signal lights.

Optionally, the operation conditions of the secondary equipment include: self-operation conditions and communication conditions, the self-operation conditions include alarm signals and action signals of the secondary equipment; the communication conditions include process layer communication status and station control layer communication status.

Optionally, the remote operation and maintenance master station interface further includes a secondary device interface, which is used to display status information of the secondary device.

As another aspect of the present invention, a remote intelligent inspection method is provided, including:

Collect secondary equipment information in the substation under the jurisdiction of the remote operation and maintenance master station through the status monitoring and intelligent diagnosis sub-station;

Transmitting the secondary equipment information to the remote operation and maintenance master station through the communication equipment;

The remote operation and maintenance master station displays the operating conditions of the corresponding substation on the interface of the remote operation and maintenance master station according to the secondary equipment information;

The secondary equipment is inspected through the interface of the remote operation and maintenance master station, and an inspection log is formed.

The beneficial effect of the present invention is: a remote intelligent inspection system and method, the system includes: a remote operation and maintenance master station and a state monitoring and intelligent diagnosis sub-station, the remote operation and maintenance master station and the state monitoring and intelligent diagnosis The sub-stations are connected through communication equipment, and the status monitoring and intelligent diagnosis sub-station is used to collect the secondary equipment information in the substation under the jurisdiction of the remote operation and maintenance master station, and transmit the secondary equipment information to the remote The operation and maintenance master station, the remote operation and maintenance master station will display the operating conditions of the substation on the interface of the remote operation and maintenance master station according to the secondary equipment information, and perform inspections on the secondary equipment to form an inspection log, which improves the The inspection efficiency of smart substations saves inspection time and reduces operation and maintenance costs.

Description of drawings

Fig. 1 is a functional schematic diagram of a remote intelligent inspection system provided by Embodiment 1 of the present invention;

Fig. 2 is an example diagram of the main operation interface provided by Embodiment 1 of the present invention;

Fig. 3 is an example diagram of the substation main wiring diagram interface provided by Embodiment 1 of the present invention;

Fig. 4 is an example diagram of a secondary device interface provided by Embodiment 1 of the present invention;

Fig. 5 is a flow chart of a remote intelligent inspection method provided by Embodiment 2 of the present invention.

detailed description

The technical solution of the present invention will be further described below in conjunction with FIGS. 1-5 and through specific implementation methods.

Embodiment one

Fig. 1 is a functional schematic diagram of a remote intelligent inspection system provided by an embodiment of the present invention.

A remote intelligent inspection system, comprising: a remote operation and maintenance master station and a status monitoring and intelligent diagnosis sub-station, the remote operation and maintenance master station is connected to the status monitoring and intelligent diagnosis sub-station through a communication device, and the status monitoring The intelligent diagnosis substation is used to collect the secondary equipment information in the substation under the jurisdiction of the remote operation and maintenance master station, and transmit the secondary equipment information to the remote operation and maintenance master station through the communication equipment, and the remote operation and maintenance master station according to The secondary equipment information will display the operating conditions of the substation on the interface of the remote operation and maintenance master station, and perform patrol inspection on the secondary equipment to form a patrol log.

In this embodiment, the present invention deploys an intelligent substation protection equipment operation and maintenance server at the substation operation and maintenance master station as the remote operation and maintenance master station, and deploys secondary equipment status monitoring and intelligent diagnosis sub-stations in the substation under its jurisdiction to realize the monitoring of the substation The collection of secondary equipment information such as internal relay protection equipment, and the remote inspection using the visual interface improve the inspection efficiency of smart substations, save inspection time, and reduce operation and maintenance costs.

In this embodiment, the patrol inspection includes: real-time patrol inspection, regular patrol inspection and classified patrol inspection, and the classified patrol inspection forms a classified patrol inspection log, and the classified patrol inspection log includes: communication log, action log, alarm Logs, protection function throwing and withdrawing logs, main transformer and bus difference differential flow logs, the content of daily intelligent inspection includes: querying the logs of all operating equipment within a day's time range, extracting abnormal information of operating equipment for human judgment; The configured query information is collected to form a report on operating conditions, including bus differential current information, transformer differential current information, and bay load conditions.

In this embodiment, the implementation of inspection requires manual inspection with the help of the visual interface of the remote operation and maintenance master station.

As shown in Figure 2, in this embodiment, the remote operation and maintenance master station interface includes a main operation interface, and the operation main interface is used to display the action state, fault state, and interruption state of the substation under the jurisdiction of the remote operation and maintenance master station And the blocking state, when performing substation inspection, you can roughly understand the current operating conditions of each substation from the main interface.

In this embodiment, the action state, fault state, interruption state and blocking state of the substation are represented by different font colors displayed on the main interface of the substation respectively, and the current status of each substation can be judged by the color of the name of the substation on the main interface. Operating conditions.

In this embodiment, the interface of the remote operation and maintenance master station further includes a first-level interface, and the first-level interface is used to monitor the current overall status of each factory station, including overall monitoring of communication, overall monitoring of actions, and overall monitoring of alarms.

The general communication monitoring function monitors the communication status between the main station and the sub-station, between the sub-station and the relay protection and other secondary equipment. If the communication between any secondary equipment is interrupted, the color of the substation should change; communication fault information forms a communication intelligent diagnosis report.

The general alarm monitoring function monitors the general alarm signal of the secondary equipment in the substation, and the general alarm signal is connected to the alarm general of each substation. When an alarm signal occurs, the color of the substation changes. When specific content is needed, the defect intelligent diagnosis report of each substation can be obtained through remote access; it can also enter the main wiring diagram interface of the substation for real-time monitoring.

The total action monitoring function monitors the substation protection action, when the substation protection action, the action total signal changes, and forms a grid-level action analysis report.

As shown in Figure 3, in this embodiment, the remote operation and maintenance master station interface also includes a substation main wiring diagram interface, and the substation main wiring diagram interface can be entered by clicking on the substation name on the main interface, and the substation main wiring diagram interface can be entered. The diagram interface is used to display: the wiring diagram of the primary equipment, the opening and closing status of the bay switch, the configuration of the secondary equipment in all bays, and the operating conditions of the secondary equipment. The operating conditions of the secondary equipment are determined by the shape and color of the signal lights To distinguish, in Figure 3, the green rectangular signal light on the secondary device indicates normal operation, and the red signal indicates an alarm or action event; the green circular signal light indicates that the network is normal, and the red signal indicates that the network is disconnected.

In this embodiment, the operating conditions of the secondary equipment include: its own operating conditions and communication operating conditions, the self-operating conditions include the alarm signal and action signal of the secondary equipment, and the normal alarm of the secondary equipment The signal and the protection action signal are synthesized by "OR operation" to generate the own operating condition signal of the secondary equipment. Any alarm information and action information of the secondary equipment will trigger the device working condition alarm displacement signal. According to the displacement of this signal To reflect whether the operating conditions of the device are healthy; the communication conditions include the communication status of the process layer and the communication status of the station control layer, and the communication status of the station control layer and the process layer of the secondary equipment are synthesized into a whole through "OR operation" Network communication working condition signal. Any change in the network status of the secondary device will trigger this alarm to reflect whether the network operating condition of the device is healthy.

As shown in FIG. 4 , in this embodiment, the interface of the remote operation and maintenance master station also includes a secondary equipment interface, which is used to display the status information of the secondary equipment, including switching on and off of soft and hard pressure plates.

Embodiment two

As shown in Figure 5, in this embodiment, a remote intelligent inspection method includes:

S10. Collect secondary equipment information in the substation under the jurisdiction of the remote operation and maintenance master station through the status monitoring and intelligent diagnosis sub-station;

S20. Send the secondary device information to the remote operation and maintenance master station through the communication device;

S30. The remote operation and maintenance master station displays the operating conditions of the corresponding substation on the interface of the remote operation and maintenance master station according to the secondary equipment information;

S40. Perform inspection on the secondary equipment through the interface of the remote operation and maintenance master station, and form an inspection log.

In this embodiment, the present invention deploys an intelligent substation protection equipment operation and maintenance server at the substation operation and maintenance master station as the remote operation and maintenance master station, and deploys secondary equipment status monitoring and intelligent diagnosis sub-stations in the substation under its jurisdiction to realize the monitoring of the substation The collection of secondary equipment information such as internal relay protection equipment, and the remote inspection using the visual interface improve the inspection efficiency of smart substations, save inspection time, and reduce operation and maintenance costs.

The above descriptions are only specific implementations of the present invention, and these descriptions are only for explaining the principle of the present invention, and cannot be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific implementation methods of the present invention without creative efforts, and these methods will all fall within the protection scope of the present invention.

Claims (10)

1. A remote intelligent inspection system, characterized in that it includes: a remote operation and maintenance master station and a state monitoring and intelligent diagnosis sub-station, and the remote operation and maintenance master station and the state monitoring and intelligent diagnosis sub-station pass through a communication device connected, the state monitoring and intelligent diagnosis sub-station is used to collect secondary equipment information in the substation under the jurisdiction of the remote operation and maintenance master station, and transmit the secondary equipment information to the remote operation and maintenance master station through communication equipment, The remote operation and maintenance master station displays the operating conditions of the substation on the interface of the remote operation and maintenance master station according to the secondary equipment information, and performs patrol inspection on the secondary equipment to form a patrol inspection log. 2. The remote intelligent inspection system according to claim 1, wherein the inspection includes: real-time inspection, regular inspection and classified inspection. 3. The remote intelligent inspection system according to claim 2, wherein the classified inspection forms a classified inspection log, and the classified inspection log includes: a communication log, an action log, an alarm log, and a protection function input log. Retirement log, main transformer and master differential flow log. 4. The remote intelligent inspection system according to claim 1, wherein the interface of the remote operation and maintenance master station includes a main operation interface, and the operation main interface is used to display the actions of the substations under the jurisdiction of the remote operation and maintenance master station state, fault state, interrupt state, and blocked state. 5. The remote intelligent inspection system according to claim 4, characterized in that, the operation state, fault state, interruption state and locked state of the substation are respectively represented by different font colors displayed on the main interface of the substation. 6. The remote intelligent inspection system according to claim 4, wherein the interface of the remote operation and maintenance master station also includes a first-level interface, and the first-level interface is used to monitor the current overall status of each factory station, including Communication total monitoring, action total monitoring and alarm total monitoring. 7. The remote intelligent inspection system according to claim 4, characterized in that, the remote operation and maintenance master station interface also includes a substation main wiring diagram interface, and the substation main wiring diagram interface is used to display: primary equipment wiring diagram , the opening and closing state of the interval switch, the configuration of secondary equipment in all intervals, and the operating conditions of the secondary equipment. The operating conditions of the secondary equipment are distinguished by the shape and color of the signal lights. 8. The remote intelligent inspection system according to claim 7, wherein the operating conditions of the secondary equipment include: its own operating conditions and communication operating conditions, and the self operating conditions include the secondary equipment's Alarm signals and action signals; the communication working conditions include process layer communication status and station control layer communication status. 9. The remote intelligent inspection system according to claim 4, wherein the interface of the remote operation and maintenance master station further includes a secondary equipment interface for displaying status information of the secondary equipment. 10. A remote intelligent inspection method, characterized in that it comprises: Collect secondary equipment information in the substation under the jurisdiction of the remote operation and maintenance master station through the status monitoring and intelligent diagnosis sub-station; Transmitting the secondary equipment information to the remote operation and maintenance master station through the communication equipment; The remote operation and maintenance master station displays the operating conditions of the corresponding substation on the interface of the remote operation and maintenance master station according to the secondary equipment information; The secondary equipment is inspected through the interface of the remote operation and maintenance master station, and an inspection log is formed.