CN104967216A - A substation and its monitoring system and monitoring method - Google Patents

Abstract

The invention discloses a substation, a monitoring system and a monitoring method thereof. The monitoring system includes: a dispatching master station and a plant station; the plant station includes: a plurality of intelligent electronic devices; and is connected to the intelligent electronic devices one by one the restart controller module; the central controller connected to each restart controller module; The device sends a first message signal; when the central controller receives the first message signal, according to the first message signal, it sends a restart controller module connected to the intelligent electronic device corresponding to the crash problem. instruction; the restart controller module that receives the restart instruction controls the corresponding connected intelligent electronic device to restart according to the restart instruction. The invention can realize the automatic restart of the dead intelligent electronic equipment, and improves the working efficiency.

Description

A substation and its monitoring system and monitoring method

technical field

The invention relates to the technical field of electric power system monitoring, and more specifically, relates to a monitoring system of a substation.

Background technique

Substation automation monitoring system is an important part of substation monitoring equipment status, operation and maintenance personnel operation and auxiliary analysis after accident. The substation automation monitoring system mostly adopts a layered and distributed structure, which is composed of a station control layer and an interval layer to meet the requirements of the dispatching master station for real-time data. The substation automation monitoring system has the functions of telemetry, remote signaling, remote adjustment, remote control, and SOE. Real-time information can be transmitted to the relevant dispatching center through dedicated line channels or network channels with different protocols, and receive control instructions from the designated dispatching center. The secondary equipment that makes up the substation automation monitoring system is called Intelligent Electronic Device (IED for short).

When the smart substation is running, if the smart electronic device crashes, the smart electronic device will lose the communication function and cannot realize the "four remote" functions (including the above four functions of telemetry, remote signaling, remote adjustment, and remote control), resulting in the loss of the smart substation. monitoring function.

According to statistics, automation equipment crashes and recovery after restarting account for 70% of the total defects, that is, most crashes can be solved by restarting intelligent electronic devices. At present, the smart electronic device is restarted manually by disconnecting and closing the air switch of the power circuit of the smart electronic device at the scene of the crashed smart electronic device, and the work efficiency is low.

Contents of the invention

In order to solve the above problems, the present invention provides a substation, its monitoring system and its monitoring method, which can realize the automatic restart of the intelligent electronic equipment that has crashed, and improve the work efficiency.

To achieve the above object, the present invention provides the following technical solutions:

A monitoring system for a substation, the monitoring system includes: a dispatching master station and a plant station;

The factory station includes: a plurality of intelligent electronic devices; a restart controller module connected to the intelligent electronic devices in one-to-one correspondence; a central controller connected to each restart controller module;

The dispatching master station is used to send a first message signal to the central controller when there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices;

When the central controller receives the first message signal, it sends a restart instruction to the restart controller module correspondingly connected to the intelligent electronic device that has crashed according to the first message signal; receiving the restart instruction The restart controller module controls the corresponding connected intelligent electronic device to restart according to the restart instruction.

Preferably, in the above monitoring system, the intelligent electronic device includes an air switch; the restart controller module is connected in series with the air switch.

Preferably, in the above monitoring system, the restart controller module includes:

Relay module;

a processor module, the processor module is connected to the central controller;

a power module, the power module is used to supply power to the relay module and the processor module;

Wherein, the central controller is used to send the restart instruction to the processor module; during the action time of the restart instruction, the processor module controls the relay module to disconnect, and at other times, the processor module Controlling the conduction of the relay module.

Preferably, in the above-mentioned monitoring system, it also includes: an encapsulation shell;

The relay module, the processor module and the power supply module are all packaged in the packaging shell.

Preferably, in the above monitoring system, it also includes:

A judging module, the judging module is used to judge whether the intelligent electronic device restarts successfully;

A display module, the display module is used to display the judgment result of the judgment module.

Preferably, in the above monitoring system, the central controller includes: a message analysis module, the message analysis module is used to analyze the first message information, and it is determined that a crash occurs among the plurality of intelligent electronic devices Problematic IEDs;

An execution module, the execution module sends the restart instruction to the restart controller module of the intelligent electronic device that has a crash problem.

Preferably, in the above monitoring system, it also includes:

A first switch connected to the dispatching master station;

a second exchange connected to the factory station;

The master dispatching station performs data interaction with the factory station through the first switch and the second switch.

The present invention also provides a substation, which is characterized by comprising: the monitoring system described in any one of the above.

The present invention also provides a monitoring method for the above substation, characterized in that the monitoring method includes:

When there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices, send a first message signal to the central controller;

Sending a restart instruction to the restart controller module correspondingly connected to the intelligent electronic device that has crashed according to the first message signal;

The restart controller module controls the corresponding connected intelligent electronic device to restart according to the restart instruction.

Preferably, in the above monitoring method, it also includes:

Judging whether there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices;

If yes, generating the first message signal;

Wherein, the first message signal includes location information of the intelligent electronic device that has crashed.

It can be seen from the above description that the substation monitoring system provided by the present invention includes: a dispatching master station and a plant station; the plant station includes: a plurality of intelligent electronic devices; a restart controller module connected to the intelligent electronic devices in one-to-one correspondence; A central controller connected to each restart controller module; the dispatching master station is used to send a first message to the central controller when there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices signal; when the central controller receives the first message signal, according to the first message signal, it sends a restart instruction to the restart controller module connected to the intelligent electronic device corresponding to the crash problem; receiving the The restart controller module of the restart instruction controls the corresponding connected intelligent electronic device to restart according to the restart instruction. When the intelligent electronic device crashes, the dispatching master station sends the first message signal, and after the central controller receives the first message signal, the restart controller module can realize the The automatic restart of intelligent electronic equipment improves work efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

FIG. 1 is a schematic structural diagram of a monitoring system for a substation provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a restart controller module provided in an embodiment of the present application;

FIG. 3 is a schematic flow chart of a monitoring method provided by an embodiment of the present application.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to FIG. 1 , FIG. 1 is a schematic structural diagram of a substation monitoring system provided by an embodiment of the present application. The monitoring system includes: a dispatching master station 11 and a plant station 12 .

The factory station 12 includes: a plurality of intelligent electronic devices 121 ; restart controller modules 122 connected to the intelligent electronic devices 121 in one-to-one correspondence; and a central controller 123 connected to each restart controller module 122 . In the embodiment of the present application, the intelligent electronic device 121 may be a protection substation, or a fault filter, or a panel cabinet for a substation such as a remote machine.

The dispatching master station 11 is configured to send a first message signal to the central controller 123 when there is an intelligent electronic device 121 that has a crash problem among the plurality of intelligent electronic devices 121 .

The dispatching master station 11 is used to receive data information of each intelligent electronic device 121, and send control signals to each intelligent electronic device 121 for remote control, so as to realize functions such as telemetry, remote signaling, remote adjustment, remote control, and SOE.

When the central controller 123 receives the first message signal, it sends a restart instruction to the restart controller module 122 correspondingly connected to the intelligent electronic device 121 corresponding to the crash problem according to the first message signal; The restart controller module 122 of the restart instruction controls the corresponding connected intelligent electronic device 121 to restart according to the restart instruction.

The first message signal includes location information of the intelligent electronic device 121 that has crashed. When the central controller 123 receives the first message signal, by analyzing the first message signal, it can determine the position of the intelligent electronic device 121 where the crash problem occurs, that is, among the multiple intelligent electronic devices 121 Determine the location of the IED 121 that has crashed, so as to send the restart instruction only to the IED 121 that has crashed, and only control the IED 121 that has crashed to restart.

According to the data information received by the dispatching master station 11, it can be judged whether there is an intelligent electronic device with a crash problem in the factory station 12, and the location of the intelligent electronic device 121 with a crash problem. Specifically, among the plurality of intelligent electronic devices 121 in the factory station 12, when one or more intelligent electronic devices 121 have a crash problem, the dispatching factory station 11 cannot receive any data information of the smart electronic device 121 that has a crash problem. , so as to determine which intelligent electronic device 121 has the crash problem.

It can be seen from the above description that in the monitoring system described in the embodiment of the present application, the smart electronic device that has a crash problem can be quickly detected by the dispatching master station 11, and by sending the first message signal to the central controller 123, the restart The controller module realizes the automatic restart of the intelligent electronic device 121 having a crash problem, and the work efficiency is high.

The intelligent electronic device includes an air switch K. The air switch K is used for leakage protection of the correspondingly connected smart electronic device 121 . The restart controller module 122 is connected in series with the air switch. When the smart electronic device 121 is in the power-on state, the correspondingly connected air switch K is in the closed state, and the correspondingly connected restart controller module 122 is in the on-state. When a certain intelligent electronic device 121 crashes, the intelligent electronic device 121 can be restarted manually by disconnecting and then closing the corresponding air switch. The restart of the IED 121 may also be implemented by sending a restart instruction to the correspondingly connected restart controller module 122 .

It can be seen that in the embodiment of the present application, the automatic restart control of the dead electronic device 121 can be realized through the restart controller module 122 , and the manual restart control can also be realized through the air switch K.

The monitoring system further includes: a first switch 13 connected to the master dispatching station 11 . A second switch 14 connected to the factory station 12 . The master dispatching station 11 and the factory station 12 perform data interaction through the first switch 13 and the second switch 14 . The first switch 13 and the second switch 14 can be connected through a network cable 124 to realize data interaction, or realize data interaction through wireless signals. The second switch 14 is connected to each intelligent electronic device 121 and the central controller 123 through a network cable 124 to realize data interaction.

When there is a communication failure on the network cable, when the intelligent electronic device 121 that has crashed cannot be automatically restarted, the dead intelligent electronic device 121 can be restarted through the corresponding air switch K.

The central controller 123 is connected to each restart controller module 122 through a separate RS485 port, so that the central controller 123 can send the restart command to the intelligent electronic device 122 that has a crash problem through the corresponding RS485 port.

Referring to FIG. 2, FIG. 2 is a schematic structural diagram of a restart controller module provided by an embodiment of the present application, the restart controller module includes: a relay module 21; a processor module 23, and the processor module 23 is connected to the central The controller is connected to a power module 22 , and the power module 22 is used to supply power to the relay module 21 and the processor module 23 . Wherein, the central controller is used to send the restart command to the processor module 23; within the restart command action time, the processor module 23 controls the relay module 21 to disconnect, and at other times, the The processor module 23 controls the relay module 21 to be turned on, so as to realize the restart of the dead IED 121 .

Optionally, in the embodiment of the present application, the relay module 21 is an air damping relay, or an electric relay, or an electronic relay. The power module 22 includes: a power supply and a voltage stabilizing circuit.

As shown in FIG. 2 , the restart controller module further includes: an encapsulation shell 24 . The relay module 21 , the processor module 23 and the power module 22 are all packaged in the packaging shell 24 . The packaging shell 24 may be a metal shell coated with an insulating layer, such as an aluminum alloy shell or an iron shell. The packaging shell 24 can also be an engineering insulating plastic shell.

The restart control command is a pulse signal. When the intelligent electronic device 121 crashes and restarts automatically, the relay module 21 receiving the pulse signal is disconnected during the action time of the pulse signal, and the relay module 21 is turned on after the pulse signal disappears. Therefore, for a dead intelligent electronic device, when its air switch is closed, after the central controller sends a restart command to its restart controller module, the intelligent electronic device

Optionally, in the embodiment of the present application, the monitoring system further includes: a judging module, configured to judge whether the intelligent electronic device restarts successfully. The judging module may be integrated in the dispatching master station. After the master dispatching station sends the first message signal, it can judge whether the dead IED is restarted successfully according to the data information of each IED collected at the next moment. If the data information of the modified intelligent electronic device is still not received, it can be judged that the restart is not successful, and if the data information of the modified smart electronic device is received, it can be judged that the restart is successful.

Optionally, the monitoring system further includes: a display module, the display module is used to display the judgment result of the judgment module, and the restart result can be quickly determined through the display module. If the crash problem cannot be solved by automatic restart, further fault detection of the intelligent electronic device is required. The display module can display the location information of the intelligent electronic device that cannot be automatically restarted, and prompt for further fault detection.

The central controller includes: a message analysis module, the message analysis module is used to analyze the first message information, and determine an intelligent electronic device that has a crash problem among the plurality of intelligent electronic devices; an execution module, The execution module sends the restart instruction to the restart controller module of the intelligent electronic device that has crashed.

It should be noted that, in the embodiment of the present application, the dispatching master station may be one or more panel cabinets, and the panel cabinets have the function of realizing the above-mentioned restart control.

It can be seen from the above description that the monitoring system described in the embodiment of the present application can realize the automatic restart of the dead intelligent electronic device, which improves the work efficiency.

The embodiment of the present application also provides a substation, the substation includes the above-mentioned monitoring system, which can realize the automatic restart of the intelligent electronic device that has a crash problem, and improves the work efficiency.

The embodiment of the present application also provides a monitoring method for the above-mentioned monitoring system. Refer to FIG. 3, which is a schematic flow diagram of a monitoring system provided in the embodiment of the present application. The monitoring method includes:

Step S11: When there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices, sending a first message signal to the central controller.

Step S12: Send a restart instruction to the restart controller module correspondingly connected to the intelligent electronic device that has crashed according to the first message signal.

Step S13: The restart controller module controls the corresponding connected intelligent electronic device to restart according to the restart instruction.

Optionally, the monitoring method further includes: judging whether there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices; if so, generating the first message signal. Wherein, the first message signal includes location information of the intelligent electronic device that has crashed.

Optionally, the monitoring method further includes: judging whether the crashed intelligent electronic device is automatically restarted successfully, and displaying the judgment result; if not restarting successfully, issuing an on-site maintenance prompt.

The monitoring method can realize the automatic restart function of the dead intelligent electronic equipment, and does not need to manually restart the intelligent electronic equipment on site, thus improving the work efficiency.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A monitoring system for a transformer substation, characterized in that it comprises: a dispatching master station and a factory station; The factory station includes: a plurality of intelligent electronic devices; a restart controller module connected to the intelligent electronic devices in one-to-one correspondence; a central controller connected to each restart controller module; The dispatching master station is used to send a first message signal to the central controller when there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices; When the central controller receives the first message signal, it sends a restart instruction to the restart controller module correspondingly connected to the intelligent electronic device that has crashed according to the first message signal; receiving the restart instruction The restart controller module controls the corresponding connected intelligent electronic device to restart according to the restart instruction. 2. The monitoring system according to claim 1, wherein the intelligent electronic device comprises an air switch; the restart controller module is connected in series with the air switch. 3. The monitoring system according to claim 2, wherein the restart controller module comprises: Relay module; a processor module, the processor module is connected to the central controller; a power module, the power module is used to supply power to the relay module and the processor module; Wherein, the central controller is used to send the restart instruction to the processor module; during the action time of the restart instruction, the processor module controls the relay module to disconnect, and at other times, the processor module Controlling the conduction of the relay module. 4. The monitoring system according to claim 3, further comprising: an encapsulation shell; The relay module, the processor module and the power supply module are all packaged in the packaging shell. 5. The monitoring system according to claim 1, further comprising: A judging module, the judging module is used to judge whether the intelligent electronic device restarts successfully; A display module, the display module is used to display the judgment result of the judgment module. 6. The monitoring system according to claim 1, wherein the central controller comprises: a message analysis module, the message analysis module is used to analyze the first message information, in the plurality of Among the intelligent electronic devices, it is determined that the intelligent electronic device with the crash problem occurs; An execution module, the execution module sends the restart instruction to the restart controller module of the intelligent electronic device that has a crash problem. 7. The monitoring system according to claim 1, further comprising: A first switch connected to the dispatching master station; a second exchange connected to the factory station; The master dispatching station performs data interaction with the factory station through the first switch and the second switch. 8. A substation, characterized by comprising: the monitoring system according to any one of claims 1-7. 9. A monitoring method for the substation according to claim 8, characterized in that the monitoring method comprises: When there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices, send a first message signal to the central controller; Sending a restart instruction to the restart controller module correspondingly connected to the intelligent electronic device that has crashed according to the first message signal; The restart controller module controls the corresponding connected intelligent electronic device to restart according to the restart instruction. 10. The monitoring method according to claim 9, further comprising: Judging whether there is an intelligent electronic device with a crash problem among the plurality of intelligent electronic devices; If yes, generating the first message signal; Wherein, the first message signal includes location information of the intelligent electronic device that has crashed.