CN112448951B - Mobile substation protection system - Google Patents
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- CN112448951B CN112448951B CN202011268528.9A CN202011268528A CN112448951B CN 112448951 B CN112448951 B CN 112448951B CN 202011268528 A CN202011268528 A CN 202011268528A CN 112448951 B CN112448951 B CN 112448951B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1408—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic by monitoring network traffic
- H04L63/1416—Event detection, e.g. attack signature detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1408—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic by monitoring network traffic
- H04L63/1425—Traffic logging, e.g. anomaly detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
Abstract
The invention discloses a mobile substation protection system, which comprises a dispatching management center, a fault information monitoring module and an encryption authentication module, wherein the dispatching management center is connected with the encryption authentication module through a network provided by a dispatching data network router, the data end of the encryption authentication module is synchronously connected with a dispatching data network switch, the dispatching data network switch is connected with the fault information monitoring module through a network cabinet, the monitoring information of the fault information monitoring module is fed back to the dispatching management center, the signal end of the dispatching management center is connected with a master station server, the system adopts a multi-channel data transmission feedback mode, ensures the running speed and quality, can automatically shield unnecessary programs, achieves the optimization of the running environment, realizes the opening, sharing and integration in the hierarchy range of each application module, and can realize the information system between a unified management layer and a production layer, the operation and maintenance of the transformer substation are more convenient and practical.
Description
Technical Field
The embodiment of the invention relates to the technical field of mobile substations, in particular to a mobile substation protection system.
Background
The mobile substation is used as a power transfer point, is an important node, contains a plurality of related signal information such as remote measurement, relay protection, remote control and telecontrol, and in order to ensure effective monitoring of the signals, an integrated automation system is needed to complete the functions, and the functions of recording related events and the like are realized. The method has very important significance for the improvement of the comprehensive automatic system of the transformer substation, and the safe and stable operation level of the transformer substation can be greatly improved, so that the stable operation level of the whole power system is improved.
The protection system for the mobile substation at present has the following defects:
(1) most of the existing architectures for the mobile substation protection system form a system in a W-pieced mode, the system design lacks of unified global property, the improvement of system performance indexes is directly limited, and more functions and system indexes cannot be realized;
(2) part of functions of the existing protection system are repeatedly designed and built, the field complexity is increased, unnecessary investment is increased, adverse effects are caused on reliability, joint debugging among all system modules takes a large amount of time, the future equipment maintenance and operation are complicated, and the input rate of the comprehensive automation system of the transformer substation is also influenced.
Disclosure of Invention
Therefore, the embodiment of the invention provides a mobile substation protection system, which adopts a multi-channel data transmission feedback mode, ensures the operation speed and quality, realizes system safety through the protection system, can automatically shield unnecessary programs, achieves the optimization of the operation environment, realizes opening, sharing and integration in the hierarchical range of each application module, fully utilizes various information resources, can realize information system between a unified management layer and a production layer, enables the operation maintenance operation of a substation to be simpler and more practical, realizes the real-time monitoring of key nodes in the substation, and solves the problems of equipment maintenance and operation complication and the like caused by the fact that the mobile substation protection system lacks of unified global property and information between system modules cannot be shared in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following:
the utility model provides a mobile substation protection system, includes dispatch management center, fault information monitoring module and encryption authentication module, the dispatch management center provides the internet access through dispatch data network router the encryption authentication module, encryption authentication module data end synchronous connection has the dispatch data network switch, the dispatch data network switch passes through the network cabinet and connects fault information monitoring module, fault information monitoring module's monitoring information feedback extremely the dispatch management center, the signal terminal of dispatch management center is connected with the master station server, the data terminal of master station server is through being connected with the database.
As a preferred scheme of the present invention, the fault information monitoring module compares and analyzes the intrusion detection log and other security logs through an intrusion detection module, and feeds back the comparison result to the dispatching management center through a command signal.
As a preferred scheme of the present invention, a rule base inside the scheduling management center is updated in real time according to the instruction information, the instruction information is connected to a data core switch through the rule base, and the data core switch is connected to a base layer management and control module through a control bus.
As a preferred scheme of the present invention, a data end of the base layer management and control module synchronizes data information to the scheduling data network switch, and a signal end of the scheduling data network switch is connected to an interval device layer.
As a preferred scheme of the present invention, a relay protection module, an electric power metering module, and a measurement and control module are disposed in the spacer layer, and the relay protection module tests real-time parameters of a bus, a transformer, a line, and the like in real time through the measurement and control module and synchronizes test data to the electric power metering module.
As a preferred scheme of the present invention, the power metering module data end is synchronously connected to the dispatching management center through a wireless network constructed by the dispatching data network switch.
As a preferred scheme of the invention, the dispatching management center internally adopts a multi-channel data issuing mode to construct a data acquisition unit and a data sending unit.
As a preferred scheme of the present invention, the data acquisition unit and the data transmission unit are connected to the encryption authentication module through a data analysis module, and a data packaging module is disposed inside the encryption authentication module.
As a preferred scheme of the invention, the output end of the data packing module constructs a multi-channel thread and is connected with a data analysis module.
As a preferred scheme of the present invention, a signal end of the data analysis module is controlled by the control instruction of the scheduling management center, and an output end of the data analysis module is connected to the fault information monitoring module.
The embodiment of the invention has the following advantages:
the invention is essentially the protection system of the mobile substation, adopts a multi-channel data transmission feedback mode, ensures the operation speed and quality, achieves the aim of automatically operating the system, the protection system realizes the system safety, automatically runs required programs, starts hot keys, detects hardware and automatically shields unnecessary programs to achieve the optimization of the running environment, in addition, the time synchronization of all local area network workstations is detected by monitoring background software in real time, the accuracy of response and data recording is ensured, and the opening, sharing and integration are realized in the hierarchical range of each application module, various information resources are fully utilized, the data are deeply shared and interacted in a large range, and an information system between a management layer and a production layer can be uniformly managed, so that the operation, maintenance and operation of the transformer substation are simpler, more convenient and more practical, and the real-time monitoring of key nodes in the transformer substation is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a block diagram of a mobile substation protection system according to an embodiment of the present invention.
In the figure:
1-a dispatch management center; 2-scheduling a data network router; 3-encryption authentication module; 4-fault information monitoring module; 5-dispatching a data network switch; 6-intrusion detection module; 7-a rule base; 8-data core switch; 9-a base layer management and control module; 10-spacer device layer; 11-a relay protection module; 12-a measurement and control module; 13-a power metering module; 14-a master station server; 15-a database; 16-a data transmission unit; 17-a data acquisition unit; 18-a data analysis module; 19-a data packing module; 20-data parsing module.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the invention provides a mobile substation protection system, which combines a dispatching system of a substation, realizes integrated operation of an intelligent dispatching technical support system through a dispatching management center 1, provides wide area sharing of various applications such as real-time monitoring and early warning in a multistage dispatching mechanism, and realizes dispatching among substations, and reliable redundant operation of data acquisition and exchange among dispatching of various stages by constructing a dispatching data network biplane.
Including dispatch management center 1, fault information monitoring module 4 and encryption authentication module 3, dispatch management center 1 provides the internet access through dispatch data network router 2 encryption authentication module 3, 3 data end synchronous connections of encryption authentication module have dispatch data network switch 5, dispatch data network switch 5 passes through the network cabinet and connects fault information monitoring module 4, fault information monitoring module 4's monitoring information feedback extremely dispatch management center 1, the signal terminal of dispatch management center 1 is connected with main website server 14, main website server 14's data terminal is through being connected with database 15.
In the embodiment, the dispatching data network switch 5 is arranged in the master station system of the transformer substation, so that a dual-network card dual-hot standby mode is realized, once one network card fails, the network card is immediately switched to the other network card, network communication switching interruption time cannot be generated, seamless switching of the dual network cards is realized, the requirements of the master station on high real-time performance and convenience in configuration can be met, and a load balancing function can be realized under normal conditions.
In this embodiment, the encryption authentication module 3 configures 2 vertical interconnection hardware firewalls to connect an interconnection switch in an uncontrolled production area and a dispatch data network switch. The two parties of data transmission adopt an identity authentication mechanism, bidirectional authentication and key issuing are realized through SSL/TLS, a user is identified through VLAN + IP + MAC address, unauthorized use of network resources is prevented, and important or sensitive information is prevented from being divulged or tampered by using a safe encryption technology for messages transmitted in a clear text. Dividing a plurality of non-real-time service VLANs on an interconnection switch of a non-control production area, wherein each VLAN address is a service section address of a non-real-time VPN of a dispatching data network, and two VLANs in the non-real-time service VLANs are used for transverse interconnection and longitudinal interconnection.
In this embodiment, the master station server 14 may implement a redundancy design for a network channel, and ensure that network communication of the entire system keeps smooth when a single network device fails, thereby implementing a redundancy configuration for the network channel.
The fault information monitoring module 4 compares and analyzes the intrusion detection log and other safety logs through the set intrusion detection module 6, and feeds back the intrusion detection log and other safety logs to the dispatching management center 1 through instruction signals.
In this embodiment, the intrusion detection module 6 may compare and analyze the intrusion detection log with other security logs in time, and alarm the occurring security events in time so as to take corresponding measures, and simultaneously activate the event alarm function of the IDS, and send out an alarm in time for the occurring security events such as e-mails and short messages by using sound, light, and electricity.
In this embodiment, the fault information monitoring module 4 is responsible for sending a broadcast message to a physical layer state management process, running on each network card to report the state and information of each network card, providing a network card register value in a network card driving structure program, then returning relevant information to the scheduling management center 1, running a management process on a master station server 14 node according to instruction information fed back by the scheduling management center 1, after receiving the broadcast message reported by physical layer state monitoring, firstly classifying the message, storing the message in a database of the management process, and then sending alarm information to an alarm processing process through a data bus.
In this embodiment, once a network card failure occurs in the master station server 14, the physical layer state management process can correctly determine the network card failure in time, and the switching recovery speed is at millisecond level, so that the stability of the network is not affected, and load balancing can be realized when a plurality of network cards operate.
In this embodiment, the primary site server 14 adopts a redundancy technology to ensure that the main functions can still provide services when a server device or application software fails, and realizes remote backup by using a database to ensure high integrity of data.
And updating a rule base 7 in the dispatching management center 1 in real time according to the instruction information, wherein the instruction information is connected with a data core switch 8 through the rule base 7, and the data core switch 8 is connected with a basic layer control module 9 through a control bus.
The data end of the basic layer management and control module 9 synchronizes data information to the dispatching data network switch 5, and the signal end of the dispatching data network switch 5 is connected with an interval equipment layer 10.
In this embodiment, the relay protection module 11, the fault information monitoring module 4, and the scheduling management center 1 in the service system have vertical transmission of real-time data and non-real-time data, so that these service systems in the production control area can use both real-time VPN for transmitting real-time data and non-real-time VPN for transmitting non-real-time data, and do not form vertical cross connection between VPNs, therefore, the IP address of the external network port of the service system communication machine in the control area with non-real-time data transmission is converted from the real-time VPN service segment address to the non-real-time segment address through the horizontal interconnection firewall, and then the firewall performs strict access control on the converted address, and the access policy is as follows: only allowing the non-real-time VPN service segment address (host address) and the service TCP port access converted address of the main station with communication requirements, configuring 2 transverse interconnection hardware firewalls to be deployed on the network boundary of a control area and a non-control area for logically isolating the control area and the non-control area.
And the data end of the electric power metering module 13 is synchronously connected with the dispatching management center 1 through a wireless network constructed by the dispatching data network switch 5.
The dispatching management center 1 adopts a multi-channel data distribution mode to construct a data acquisition unit 17 and a data transmission unit 16.
In this embodiment, the scheduling management center 1 adopts a gigabit ethernet to improve redundancy of information channels and ensure reliability of network communication, and the central layer has a dual-port full-duplex communication mode.
In this embodiment, the scheduling management center 1 adopts a multithreading technology to realize an emulated parallel processing technology from a software perspective, a most basic execution entity is a thread program, a plurality of programs exist simultaneously during the operation of the software entity, each line occupies one thread, the virtual address of the whole software is shared by all threads, the thread entity can share all data resources of the software, the threads are threads with a priority order and different priority orders, and only when a thread with a higher priority order is hung, a thread with a lower priority order has a chance of being skillfully operated; and the threads with the same priority order uniformly obtain the operation time of the processor by each thread, suspend one thread after the operation of the thread reaches the preset time, and then operate the next thread.
The data acquisition unit 17 and the data transmission unit 16 are connected to the encryption and authentication module 3 through a data analysis module 18, and a data packing module 19 is arranged inside the encryption and authentication module 3.
In this embodiment, the data acquisition unit 17 adopts parallel acquisition, the independent bus device performs sequential acquisition according to addresses, and the data acquisition includes 4 stages: configuration, data acquisition, data processing and data storage.
Configuring; and the corresponding driver configures an acquisition module, and the real-time link library processes and acquires basic data to obtain an actual value.
Data acquisition: the RS-485 bus is shared through a round-robin technique, an upper computer firstly reads all information, sends a collection command, a lower computer reports data, the port data is received in a delayed mode, the lower computer responds and reports the data after receiving the command, if the data cannot be read in a delayed mode, the data reading fails, then the process of collecting the next module is carried out, if the data fails, the collection of the next module is directly carried out, and the collection of all the modules in the bus is finished after the data collection of all the modules is finished.
Calling the corresponding DLL to process data: and storing the collected data in a section of area of the internal memory of the industrial personal computer, and processing the data by the DLL configured by each acquisition module to obtain an actual value of the electric quantity.
Storing data: the obtained actual value of the electric quantity is transmitted, and is needed to be transferred into a storage system for storage, and then enters an instant database through a memory database, and finally is stored in a historical database.
The output end of the data packing module 19 constructs a multi-channel thread and is connected with a data analysis module 20.
In this embodiment, the output end of the data packing module 19 constructs a multi-channel thread and is connected with the data analysis module 20, and the multi-channel thread can also collect a plurality of module units with different resources without frequently switching transmission channels, thereby completely realizing the processing process of parallel network transmission, facilitating the management and maintenance of various types of data transmission, further improving the real-time performance and reliability of the system, and the obstacle of a single transmission channel does not affect the whole data transmission system.
The signal end of the data analysis module 20 is controlled by the control instruction of the dispatching management center 1, and the output end of the data analysis module 20 is connected with the fault information monitoring module 4.
The mobile substation protection system adopts a multichannel data transmission feedback mode, ensures the operation speed and quality, achieves the purpose of an automatic operation system, realizes system safety through the protection system, automatically operates required programs, starts hot keys, detects hardware and automatically shields unnecessary programs, achieves the optimization of the operation environment, in addition, the time synchronization of all local area network workstations is detected by monitoring background software in real time, ensures the accuracy of response and data recording, realizes opening, sharing and integration in the hierarchical range of each application module, fully utilizes various information resources, realizes large-range deep sharing and interaction of data, can realize information system between a unified management layer and a production layer, makes the operation and maintenance operation of a substation more convenient and practical, and realizes the real-time monitoring of key nodes in the substation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A mobile substation protection system is characterized by comprising a dispatching management center (1), a fault information monitoring module (4) and an encryption authentication module (3), wherein the dispatching management center (1) is connected with the encryption authentication module (3) through a dispatching data network router (2) in a network connection mode, the data end of the encryption authentication module (3) is synchronously connected with a dispatching data network switch (5), the dispatching data network switch (5) is connected with the fault information monitoring module (4) through a network cabinet, monitoring information of the fault information monitoring module (4) is fed back to the dispatching management center (1), the signal end of the dispatching management center (1) is connected with a master station server (14), and the data end of the master station server (14) is connected with a database (15); the fault information monitoring module (4) compares and analyzes the intrusion detection log and other safety logs through the set intrusion detection module (6) and feeds back the intrusion detection log and other safety logs to the dispatching management center (1) through instruction signals.
2. The mobile substation protection system according to claim 1, wherein a rule base (7) inside the dispatching management center (1) is updated in real time according to the instruction information, a data core switch (8) is connected through the instruction information of the rule base (7), and the data core switch (8) is connected with a basic level management and control module (9) through a control bus.
3. The mobile substation protection system according to claim 2, wherein a data end of the base layer management and control module (9) synchronizes data information to the dispatching data network switch (5), and a signal end of the dispatching data network switch (5) is connected to the spacer device layer (10).
4. The mobile substation protection system according to claim 3, wherein a relay protection module (11), an electric power metering module (13) and a measurement and control module (12) are arranged inside the separation equipment layer (10), and the relay protection module (11) tests real-time parameters of a bus, a transformer and a line in real time through the measurement and control module (12) and synchronizes test data to the electric power metering module (13).
5. A mobile substation protection system according to claim 4, characterized in that the data side of the power metering module (13) is synchronously connected with the dispatching management center (1) through a wireless network constructed by the dispatching data network switch (5).
6. The mobile substation protection system according to claim 1, wherein the dispatching management center (1) internally adopts a multi-channel data distribution mode to construct the data acquisition unit (17) and the data transmission unit (16).
7. The mobile substation protection system according to claim 6, wherein the data acquisition unit (17) and the data transmission unit (16) are connected to the encryption and authentication module (3) through a data analysis module (18), and a data packaging module (19) is arranged inside the encryption and authentication module (3).
8. The mobile substation protection system according to claim 7, wherein the output of the data packing module (19) constitutes a multi-channel thread connection data parsing module (20).
9. The mobile substation protection system according to claim 8, wherein the signal end of the data analysis module (20) is controlled by the control instruction of the dispatching management center (1), and the output end of the data analysis module (20) is connected to the fault information monitoring module (4).
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| CN102609020A (en) * | 2012-04-25 | 2012-07-25 | 山西省电力公司长治供电分公司 | Remote monitoring device of transformer substation |
| CN107241224B (en) * | 2017-06-09 | 2020-11-03 | 珠海市鸿瑞信息技术股份有限公司 | Network risk monitoring method and system for transformer substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199251A (en) * | 2016-06-24 | 2016-12-07 | 广东电网有限责任公司佛山供电局 | A kind of distribution network failure early warning system analyzed based on adaptive modeling and method |
| CN106709580A (en) * | 2017-01-13 | 2017-05-24 | 国家电网公司 | Substation secondary system operation and maintenance cloud platform |
| CN111523828A (en) * | 2020-05-25 | 2020-08-11 | 广东电网有限责任公司 | Self-adjusting center system of transport vehicle of mobile substation |
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