CN110971003A - Substation intelligent auxiliary control system based on 61850 protocol - Google Patents
Substation intelligent auxiliary control system based on 61850 protocol Download PDFInfo
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- CN110971003A CN110971003A CN201911372041.2A CN201911372041A CN110971003A CN 110971003 A CN110971003 A CN 110971003A CN 201911372041 A CN201911372041 A CN 201911372041A CN 110971003 A CN110971003 A CN 110971003A
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Abstract
The invention discloses a 61850 protocol-based intelligent auxiliary control system for a transformer substation, which adopts a 61850 protocol-based monitoring background communication method and a network multiplexing-based industrial control interlocking scheme, and comprises a station control layer, a bay layer and a process layer which are arranged from top to bottom, wherein the station control layer is provided with a network shutdown machine, an intelligent auxiliary server and a workstation, and the intelligent auxiliary server is used for realizing communication between the workstation and the bay layer; the interlayer is provided with a plurality of auxiliary measurement and control devices and a plurality of video processing units, the process layer is provided with a plurality of groups of anti-theft alarm modules, entrance guard management modules, environment monitoring modules, auxiliary light modules, fire alarm modules and SF6 monitoring modules, and the process layer is also provided with a plurality of video monitoring modules. The system improves the comprehensive judgment on the running state of each device, improves the real-time monitoring capability of the transformer substation, improves the efficiency of operation maintenance, greatly reduces the cost, and realizes the networking centralized monitoring, unified management, organic coordination and information sharing of all subsystems of the whole transformer substation.
Description
Technical Field
The invention belongs to the technical field of power system automation, and particularly relates to a 61850 protocol-based intelligent auxiliary control system for a transformer substation.
Background
The intelligent auxiliary system at present generally comprises eight major subsystems such as a video monitoring subsystem, an anti-theft alarm subsystem, an entrance guard management subsystem, an environment monitoring subsystem, an auxiliary light subsystem, a fire alarm subsystem, an SF6 (leakage) monitoring subsystem and an online monitoring subsystem.
In the operation of the actual transformer substation at present, although the transformer substation has an auxiliary facility system, the construction time is different, and integration manufacturers are different. The prior art has the following defects:
(1) the intelligent auxiliary system in each substation at present has the problems of multiple subsystems, coexistence of multiple factory controllers, low running reliability of various devices, insufficient data sharing interaction between the subsystems, incomplete monitoring information, centralized realization of important linkage logic, no redundant backup and the like;
(2) the transformer substation still needs to be frequently subjected to manual inspection, the operation and maintenance caused by the instability of equipment is poor in experience and low in operation and maintenance efficiency, the development process of the unattended transformer substation is greatly restricted, the cost of the whole life cycle is not reduced, and the comprehensive development of operation integration and maintenance integration is hindered.
Disclosure of Invention
The invention aims to provide a 61850 protocol-based intelligent auxiliary control system for a transformer substation, which deeply integrates all subsystems into an intelligent auxiliary comprehensive monitoring background for uniform monitoring, realizes integration, visualization and intellectualization, deeply excavates data information of all equipment, improves comprehensive judgment on the running state of all the equipment, improves the real-time monitoring capability of the transformer substation, improves the efficiency of operation and maintenance, greatly reduces the cost, realizes networking centralized monitoring, uniform management, organic cooperation and information sharing of all the subsystems of the whole transformer substation, and provides strong technical support for an unattended management mode.
In order to achieve the above purpose, the solution of the invention is:
a61850 protocol-based intelligent auxiliary control system for a transformer substation adopts a 61850 protocol-based monitoring background communication method and a network multiplexing-based industrial control interlocking scheme, and comprises a station control layer, a bay layer and a process layer which are arranged from top to bottom, wherein the station control layer is provided with a network shutdown machine, an intelligent auxiliary server and a workstation, the network shutdown machine is used for realizing communication between the workstation and an intelligent auxiliary scheduling system, and the intelligent auxiliary server is used for realizing communication between the workstation and the bay layer; the interlayer is provided with a plurality of auxiliary measurement and control devices and a plurality of video processing units, the process layer is provided with a plurality of groups of anti-theft alarm modules, entrance guard management modules, environment monitoring modules, auxiliary light modules, fire alarm modules and SF6 monitoring modules, each group is correspondingly connected with one auxiliary measurement and control device, and the process layer is also provided with a plurality of video monitoring modules which are correspondingly connected with the video processing units of the interlayer respectively.
The specific content of the monitoring background communication method based on the 61850 protocol is as follows: and establishing an auxiliary equipment object model according to the IEC61850 standard, and communicating with the monitoring background by using the auxiliary equipment object model.
The specific content of the industrial control interlocking scheme based on network multiplexing is as follows: and the auxiliary measurement and control devices are mutually interlocked by utilizing a GOOSE interlocking scheme.
The intelligent auxiliary control system adopts a configuration technology of visual and custom scripts, supports full visual logic configuration, provides control algorithm configuration in a functional block diagram mode, and downloads and executes graphical configuration after generating a target file.
The intelligent auxiliary control system adopts a linkage logic dual configuration mode, except that linkage logic is configured on the background side, the auxiliary measurement and control device side is mixed with access information to realize in-device linkage, and cross-device GOOSE linkage is realized.
The intelligent auxiliary control system adopts a video integration linkage technology based on video service, is adaptive to control commands and video coding and decoding modes of different video equipment manufacturers according to the type of video equipment, embeds real-time video information into a picture of a transformer substation monitoring system in a video control mode, and automatically switches the video control to a corresponding image and controls a corresponding camera to a preset position according to the content of current operation during manual operation.
By adopting the scheme, the monitoring background communication method based on the IEC61850 protocol and the industrial control interlocking technology of network multiplexing adopt the spacer layer on-line monitoring unit to collect all on-line monitoring information, the integrated auxiliary measurement and control device to collect all auxiliary control four-remote information and the video processing unit to collect video and audio information, so that the networking centralized monitoring, unified management, organic coordination and information sharing of all subsystems of the whole transformer substation are realized. The system comprehensively integrates various subsystems such as video monitoring, anti-theft alarming, entrance guard management, environment monitoring, auxiliary light, fire alarming, SF6 leakage monitoring, online monitoring and the like, realizes mutual linkage among the subsystems and cross-region linkage with a transformer substation protection monitoring automation system.
The invention has the following characteristics:
(1) the integrated auxiliary measurement and control device of the auxiliary control system of the transformer substation adopting the integrated protocol conversion does not depend on third-party protocol conversion equipment, and is directly communicated with each subsystem of the auxiliary system of the transformer substation, so that the requirement of high timeliness of coordination control is met;
(2) an industrial monitoring background communication method based on an IEC61850 protocol is adopted, an industrial equipment object model is established according to the IEC61850, and the equipment model is communicated with a monitoring background, so that the accuracy of the model is improved, model errors caused by manual modeling are avoided, and the modeling process is greatly simplified;
(3) the network-based industrial control interlocking technology is adopted, hard wiring is cancelled, the monitoring network is reused to realize interlocking among systems, and the function realization cost and the system complexity are effectively reduced on the premise of ensuring high efficiency and reliability;
(4) by adopting a multi-subsystem linkage scheme technology and a dual configuration mode of a background side and a device side, the usability of key functions of the whole system is not affected by a single fault, meanwhile, the system has the function of knowing the field safety production condition of the auxiliary facility in real time, realizing the fine management of defect treatment of the auxiliary facility and the stateful maintenance of the auxiliary facility, greatly improving the real-time monitoring capability of a transformer substation, the levels of automatic storage and problem analysis of a production management mode and data, improving the efficiency of operation and maintenance and greatly reducing the cost.
Drawings
FIG. 1 is a schematic diagram of the overall network of the present invention;
FIG. 2 is an industrial monitoring background communication diagram based on IEC61850 protocol;
FIG. 3 is a schematic diagram of an industrial control interlocking technique based on network multiplexing;
FIG. 4 is a schematic diagram of an anti-theft alarm linkage relationship;
FIG. 5 is a schematic view of a linkage relationship of access control management;
FIG. 6 is a video integrated linking technology architecture diagram;
FIG. 7 is a schematic view of an environment monitoring linkage;
fig. 8 is an architectural diagram of the present invention.
Detailed Description
The following detailed description of the present application, taken in conjunction with the accompanying drawings and examples, is provided to enable the aspects and advantages of the present application to be better understood. However, the specific embodiments and examples described below are for illustrative purposes only and are not limiting of the present application.
As shown in fig. 1 and 8, the present invention provides a 61850 protocol-based substation intelligent auxiliary control system, wherein a set of total station configuration integrated display control workstations and a protection monitoring background are placed under the same console, a host computer is placed under the console, a display is placed on the console, and an operation mode of remotely transmitting a display signal and a mouse/keyboard signal is adopted. Configuring 1 set of network shutdown machine, 1 set of intelligent auxiliary server, 1 set of video processing unit, 1 set of switch and 6 sets of auxiliary measurement and control device, and installing all the secondary equipment rooms in the cabinet.
The network structure adopts a single-network star structure, and comprises an upper, middle and lower substation control layer, a spacer layer and a process layer. The video control module and the operation management module can be configured on nodes of a transformer substation monitoring network, the video service module can be configured on a video server, and the video server is respectively connected with the video network and the transformer substation monitoring network.
The station control layer equipment comprises a set of work stations, the interlayer auxiliary measurement and control device is responsible for collecting all four remote information, the video processing unit is responsible for collecting video and audio information, the process layer equipment is arranged according to actual conditions, except the fire alarm host and the electronic fence host, other hosts do not exist, and only the electronic fence host is arranged on the inner side of the enclosure. The electronic fence host is connected with the auxiliary measurement and control device through hard wiring, the fire alarm host is communicated with the auxiliary measurement and control device, and the detailed fire alarm points are sent to the auxiliary measurement and control device to be changed into a remote signaling point table and then sent to a background. And the information in the area II can be linked with each subsystem of the intelligent auxiliary system through the area I received by the forward isolating device.
The process layer equipment sensor collects various kinds of on-site information and sends the information to the auxiliary measurement and control device through hard wiring or small part communication, the camera sends video and control information to the video processing unit through a network cable, all data processing is completed by the intelligent auxiliary server, the information is displayed on the workstation, and four remote control and video audio information outbound are carried out through a network shutdown machine (firewall).
As shown in fig. 2, an auxiliary device object model is established according to the IEC61850 specification, and the device model is used to communicate with the monitoring background. Taking a motor as an example, the main attributes of the motor are summarized into a communication model through abstraction, and the attributes comprise equipment states (running, stopping, fault, tripping and the like) and equipment control instructions (starting instructions and stopping instructions). Through the model, the monitoring background can generate a corresponding model database for the model, compared with the mode that all signals of the equipment are sent through a single point and then are manually modeled, the mode simplifies modeling, improves the accuracy of the model, avoids model errors caused by manual modeling, and greatly simplifies the modeling process.
Such interlocking is conventionally accomplished by hard wiring, as shown in fig. 3, as shown by the "traditional hard-wired scheme". The scheme needs to lay signal cables, so the scheme has higher cost under the conditions that the number of interlocking signals is large and the positions of subsystems are far away, on one hand, the cost of the cables is high, and on the other hand, the cost of construction laying and maintenance is high.
And the communication interlocking technology based on network multiplexing is adopted, hard wiring is cancelled, and by multiplexing the monitoring network, the workload of design, construction installation and maintenance can be simplified on the premise of meeting the requirements of rapidness and reliability required by interlocking, and meanwhile, the cost and the system complexity caused by the workload can be greatly reduced, as shown in a GOOSE interlocking scheme in the figure. Therefore, the industrial control interlocking technology based on network multiplexing is very suitable for being used as a mode for realizing communication between devices.
In this embodiment, based on the network multiplexing industrial control interlocking technology, a GOOSE interlocking scheme is used to implement the mutual interlocking function of various systems such as an access control system and a fire protection system. By adopting a multi-subsystem linkage scheme technology, important linkage logic is configured on the background side, device side mixed access information can realize intra-device linkage, cross-device linkage can be realized, and the usability of key functions of the whole system is not influenced by single fault through a dual configuration mode of the background side and the device side. The system adopts a fully integrated intelligent auxiliary monitoring background, integrates a network technology, a computer technology, a communication technology, a control technology and a data processing technology, and performs distributed control and unified management on a strong electronic system and a weak electronic system which are distributed in a transformer substation under the mode of a unified platform and a unified data interface, so that the monitoring and control of each device are realized, the normal operation of all devices is ensured, and the optimal state is reached. Meanwhile, under the support of computer software, the functions of information processing, data calculation, data analysis, logic judgment, pattern recognition, automatic control, cross-subsystem interlocking control and the like are realized.
The configuration technology of visual and custom scripts is adopted, full visual logic configuration is supported, various scheme requirements can be realized for different objects, and control algorithm configuration is provided in a functional block diagram mode. The graphical configuration is downloaded to the device for execution after the target file is generated, and is realized in a graphical visualization mode.
As shown in fig. 4, when the infrared shot of the gate doorway triggers an alarm, the client pops up alarm information and a corresponding video window, the camera of the gate doorway and the camera in the visible range call preset positions to the gate, and meanwhile, a shot light near the gate is turned on. When the electronic fence alarms and triggers alarm, the perimeter video calls the preset position corresponding to the triggering defense area, and meanwhile, the spotlight corresponding to the defense area is turned on. When the infrared double keys in the hallway, the indoor and other areas trigger alarm, the client pops up alarm information and a corresponding video window, the video calls a corresponding preset position, and the corresponding entrance and exit of the alarm are monitored. When the alarm host computer is disarmed, the client pops out the action notification information and the corresponding video window, and the camera calls the preset position to the position of the disarmed indicator light.
As shown in fig. 5, the movable gate is not closed for a long time, the client pops up alarm information and a corresponding video window, the camera at the gate and the camera in the visible range call a preset position to the gate, and meanwhile, a spotlight near the gate is turned on. When the entrance guard swipes a card or presses a button to act, the client pops up action notification information and a corresponding video window, and meanwhile, the camera calls a preset position to the position of the control door. When the card is swiped outside the electric gate, the client pops out action notification information and a corresponding video window, the anti-theft alarm host is linked to remove the defense, the camera calls the preset position to the position of the control door, and meanwhile, the access control bolt grabs and uploads the client. When a card is swiped in the electric gate, the client pops out action notification information and a corresponding video window, the linked anti-theft alarm host is set up for defense, the camera calls a preset position to the position of the control gate, and meanwhile, the client is uploaded by a gate inhibition bolt grab picture. When the card is swiped outside the main control building door and the main control room door, the client pops out action notification information and a corresponding video window, the camera calls a preset position to the position of the control door, and the access control bolt grabs and uploads the client. When the key box is punched, the client pops up action notification information and a corresponding video window, the camera calls a preset position to the position of the control door, and the master control room camera is linked to capture and upload the client.
As shown in fig. 6, the system comprises a video control module, an operation management module, and a video service module, wherein the video control module and the operation management module can be configured on a node of a substation monitoring network, the video service module can be configured on a video server, and the video server is connected to the video network and the substation monitoring network, respectively.
The video integration linkage technology based on video service is adopted, the video service module is adaptive to control commands and video coding and decoding modes of different video equipment manufacturers according to the type of video equipment, real-time video information is embedded into a transformer substation monitoring system picture in a video control mode, when manual operation is carried out, execution of five-prevention operation tickets, sequential control, remote control and fixed value modification are carried out, and the video control can automatically switch a video space to a corresponding image and control a corresponding camera to a preset position through the video service module according to the content of current operation.
As shown in fig. 7, the environment monitoring linkage can be realized:
when the air conditioner is controlled to be opened or closed, the client pops up action notification information and a corresponding video window, and meanwhile, the camera calls a preset position to the position for controlling the air conditioner.
When the fan is controlled to be opened or closed, the client pops up action informing information and a corresponding video window, and meanwhile, the camera calls a preset position to the position of the fan.
When the water pump is controlled to be opened or closed, the client pops up action notification information and a corresponding video window, and meanwhile, the camera calls a preset position to the position for controlling the water pump.
When the cable layer water immersion (YX) triggers the alarm, the client pops up the alarm information and the corresponding video window, the cable layer video calls the preset position to the area of the water immersion equipment, and simultaneously, the light (YK) of the cable layer is turned on
And after the temperature is higher than the set value, the client pops up alarm information and a corresponding video window to trigger the air conditioner refrigeration function to be started, and the video calls a preset position to the started air conditioner position.
And after the humidity is higher than a set value, popping up alarm information and a corresponding video window at the client, triggering the air conditioner refrigeration function to be started, and calling a preset position to the started air conditioner position by the video.
And after the SF6 value is higher than a set value, the client pops up alarm information and a corresponding video window to trigger the fan to be started, and the video calls a preset position to the started fan position.
And after the water level value is higher than the set value, the client pops up alarm information and a corresponding video window, the water pump is triggered to be opened for draining, and the video calls a preset position to the opened water pump position.
In conclusion, the intelligent monitoring system comprehensively integrates various subsystems such as video monitoring, anti-theft alarming, entrance guard management, environment monitoring, auxiliary light, fire alarming, SF6 leakage monitoring and the like, can realize intelligent routing inspection, can be linked with the subsystems, can be linked with a transformer substation protection monitoring automation system GOOSE, can be linked with online monitoring and can be linked with fault monitoring, and can carry out full data communication with an off-station centralized control center through a comprehensive data network.
The auxiliary measurement and control device can be accessed to a conventional input/output device and integrates functions of protocol conversion and the like; the IEC61850 protocol is supported, the intelligent substation automatic monitoring system is in seamless butt joint, secondary integration is realized, and a full integration scheme of the substation is constructed; and (3) supporting comprehensive access: various subsystems such as security protection, entrance guard, environment (ventilation, air conditioning and electric heating), light, fire protection, SF6 and the like; and the system has a rich function block library, provides function blocks of logic, time, arithmetic, control, assistance and the like, and supports user-defined new function blocks.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present application and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not necessary or necessary to exhaustively enumerate all embodiments herein, and obvious variations or modifications can be made without departing from the scope of the present application.
Claims (6)
1. The utility model provides a transformer substation intelligence is assisted accuse system based on 61850 stipulation which characterized in that: the system comprises a station control layer, a bay layer and a process layer from top to bottom, wherein the station control layer is provided with a network shutdown machine, an intelligent auxiliary server and a workstation, the network shutdown machine is used for realizing communication between the workstation and the intelligent auxiliary scheduling system, and the intelligent auxiliary server is used for realizing communication between the workstation and the bay layer; the interlayer is provided with a plurality of auxiliary measurement and control devices and a plurality of video processing units, the process layer is provided with a plurality of groups of anti-theft alarm modules, entrance guard management modules, environment monitoring modules, auxiliary light modules, fire alarm modules and SF6 monitoring modules, each group is correspondingly connected with one auxiliary measurement and control device, and the process layer is also provided with a plurality of video monitoring modules which are correspondingly connected with the video processing units of the interlayer respectively.
2. The substation intelligent auxiliary control system based on the 61850 protocol of claim 1, wherein: the specific content of the monitoring background communication method based on the 61850 protocol is as follows: and establishing an auxiliary equipment object model according to the IEC61850 standard, and communicating with the monitoring background by using the auxiliary equipment object model.
3. The substation intelligent auxiliary control system based on the 61850 protocol of claim 1, wherein: the specific content of the industrial control interlocking scheme based on network multiplexing is as follows: and the auxiliary measurement and control devices are mutually interlocked by utilizing a GOOSE interlocking scheme.
4. The substation intelligent auxiliary control system based on the 61850 protocol of claim 1, wherein: the intelligent auxiliary control system adopts a configuration technology of visual and custom scripts, supports full visual logic configuration, provides control algorithm configuration in a functional block diagram mode, and downloads and executes graphical configuration after generating a target file.
5. The substation intelligent auxiliary control system based on the 61850 protocol of claim 1, wherein: the intelligent auxiliary control system adopts a linkage logic dual configuration mode, except that linkage logic is configured on the background side, the auxiliary measurement and control device side is mixed with access information to realize device internal linkage, and cross-device GOOSE linkage is realized.
6. The substation intelligent auxiliary control system based on the 61850 protocol of claim 1, wherein: the intelligent auxiliary control system adopts a video integration linkage technology based on video service, is adaptive to control commands and video coding and decoding modes of different video equipment manufacturers according to the type of video equipment, embeds real-time video information into a picture of a transformer substation monitoring system in a video control mode, and automatically switches the video control to a corresponding image and controls a corresponding camera to a preset position according to the content of current operation during manual operation.
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| CN201911372041.2A CN110971003A (en) | 2019-12-27 | 2019-12-27 | Substation intelligent auxiliary control system based on 61850 protocol |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884943A (en) * | 2022-04-18 | 2022-08-09 | 国网上海市电力公司 | Data transmission interface and data transmission method of auxiliary subsystem of transformer substation |
| CN115002419A (en) * | 2022-06-02 | 2022-09-02 | 五凌电力有限公司新能源分公司 | Intelligent visual monitoring system |
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2019
- 2019-12-27 CN CN201911372041.2A patent/CN110971003A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884943A (en) * | 2022-04-18 | 2022-08-09 | 国网上海市电力公司 | Data transmission interface and data transmission method of auxiliary subsystem of transformer substation |
| CN115002419A (en) * | 2022-06-02 | 2022-09-02 | 五凌电力有限公司新能源分公司 | Intelligent visual monitoring system |
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