CN113852197A - Remote operation and maintenance method, system and equipment for wide area substation automation equipment - Google Patents
Remote operation and maintenance method, system and equipment for wide area substation automation equipment Download PDFInfo
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- CN113852197A CN113852197A CN202111116077.1A CN202111116077A CN113852197A CN 113852197 A CN113852197 A CN 113852197A CN 202111116077 A CN202111116077 A CN 202111116077A CN 113852197 A CN113852197 A CN 113852197A
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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
- H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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
- H02J13/00002—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 monitoring
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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
- 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
- H02J13/00016—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 using a wired telecommunication network or a data transmission bus
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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
- H02J13/00022—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 using wireless data transmission
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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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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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
- Y04S40/12—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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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
- Y04S40/12—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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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
- Y04S40/12—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
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- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a remote operation and maintenance method, a remote operation and maintenance system and a remote operation and maintenance device of wide-area substation automation equipment, which realize remote centralized operation and maintenance management and control of the substation automation equipment through a wide-area operation and maintenance system technology and improve the intensive management level of a master station end on the substation end equipment; based on a high-performance general service architecture, a three-layer network system of a public service layer, a general service layer and an application service layer is adopted to realize the service of the application function of the automation equipment at the transformer substation end; based on key technologies such as double-factor login, digital signature and authority authentication, the deep safety protection in the integrated full-communication process from dispatching to the transformer substation is realized, and the safety of remote operation of the transformer substation equipment by the master station is improved; based on a team responsibility area division mechanism, the work burden of operation and maintenance personnel of the maintenance team is reduced, and intensive management of the maintenance team on the transformer substation in the responsibility area is realized.
Description
Technical Field
The invention relates to the field of substation automation equipment operation and maintenance systems, in particular to a remote operation and maintenance method, system and equipment for wide-area substation automation equipment.
Background
At present, the operation and maintenance of the automatic equipment of the transformer substation mainly adopt an on-site operation and maintenance mode, and the research of domestic remote operation and maintenance mainly comprises the following aspects: (1) remote operation and maintenance implementation technology based on a Modem is used for searching and visiting RTUs (Remote Terminal units) in a transformer substation in a dialing Modem mode, and Remote cold and hot starting, message monitoring and fault diagnosis of the RTUs are achieved. (2) A transformer substation RTU and a telecontrol channel monitoring system for carrying out data transmission based on a GSM (global system for mobile communications) wireless public mobile communication network can carry out remote diagnosis on the transformer substation RTU and channel faults at a dispatching end. (3) Remote maintenance system based on C/S (Client/Server) structure: the remote computer is controlled and operated through the Internet, system maintenance information is collected and sent, and fault diagnosis of the remote system and software maintenance work are achieved. (4) The transformer substation remote maintenance system based on the distributed Object technology establishes a transformer substation remote maintenance system covering various hosts, all intelligent electronic devices, secondary devices, primary devices, in-station power systems, transformer substation side telemechanical systems and main station side telemechanical systems in a transformer substation through a technical architecture based on CORBA (Common Object Request Broker architecture) and multi-agents.
For the above technical solutions, the following disadvantages mainly exist: (1) the maintenance object is single, and generally only the RTU can be maintained; (2) the maintenance function is few, and the problem of unified maintenance caused by complexity, wide area distribution and the like due to the development of a power system cannot be met; (3) the safety problem of remote operation and maintenance is not considered.
Disclosure of Invention
Aiming at the problems of single maintenance object, few maintenance functions and safety of remote operation and maintenance in the prior art, the invention provides the remote operation and maintenance method, the remote operation and maintenance system and the remote operation and maintenance equipment of the wide-area substation automation equipment, so that the centralized management of the substation automation equipment is realized, the safety of remote operation of the substation equipment by a master station is improved, the workload of operation and maintenance personnel of the substation is reduced, and the operation safety, the intelligence, the operation and maintenance convenience and the support effect on a master control station of the substation are improved.
The invention is realized by the following technical scheme:
a remote operation and maintenance method for wide area substation automation equipment comprises the following steps:
the scheduling master station end sends double-factor login information to the transformer station end;
after receiving the dual-factor login information, the substation side authenticates the dual-factor login information and activates a login system;
after the system logs in, a scheduling master station terminal calls related information services in the system;
the system acquires a responsibility area, a right, a service list and an operation list of a current user;
displaying a service list and an operation list of a current user;
the system judges the safety authentication strategy of the called related information service;
and performing remote operation and maintenance service after the related information service judged by the security authentication strategy is checked by the flow control strategy.
Preferably, the dispatching master station terminal starts dual-factor login information to the substation terminal, and maintains data of the substation terminal through dual-confirmation modes of an operator and a guardian, wherein the dual-confirmation modes include:
single machine double acknowledgement mode: the method comprises the steps that a master station terminal selects maintenance services, an input operator user name and password dialog box are displayed on the master station terminal, the input monitor user name and password dialog box are continuously displayed after the input is successful, the maintenance services of remote operation and maintenance can be maintained after the operator and the monitor confirm the input is successful, and meanwhile, the master station terminal registers maintenance content, time, maintenance results and name information of the operator and the monitor;
the different-machine double-confirmation mode: the method comprises the steps that maintenance services are selected in one machine of a master station end, an operator user name and password dialog box is displayed and input in the machine, after input is successful, a guardian user name and password dialog box is displayed and input in the other machine, after input is successful, after the operator and the guardian confirm, maintenance of the maintenance services of remote operation and maintenance can be conducted, and meanwhile, maintenance content, time, maintenance results and name information of the operator and the guardian are registered in the master station end.
Preferably, the related information service comprises a remote wakeup service, a remote reset service, a historical information retrieval service and a forwarding table monitoring service;
the remote awakening service is used for sending a remote awakening command to the main station end and awakening the sub-station end to enable the sub-station end to enter a working state and a hot standby state when the sub-station end is in a shutdown state and a standby state;
the remote reset service is that a master station end sends a remote reset command to reset relevant services and equipment of the master station end and restore the normal state;
the historical information retrieval service is used for performing data interaction between a historical information retrieval service module of the main station end and data in the substation ends to acquire historical record information stored by the substation end, so that the main station end can remotely inquire the historical record information of each substation end;
the forwarding table monitoring service conducts remote retrieval on equipment operated by the transformer substation, and visual monitoring of the forwarding table data by the scheduling end is achieved.
Preferably, the system acquires the responsibility area, the authority, the service list and the running list of the current user through a log recording function, wherein the log recording function comprises a master station end log and a slave station end log;
the main station side log records the name, maintenance content, maintenance time and maintenance result of the login personnel, and can be arranged according to the time sequence, when the log text is too large, the content of a specified time period can be deleted according to the setting, and the recording content of the latest log is reserved;
the sub-station end log obtains the name of the login personnel of the main station end through the main station end and the sub-station end channel, can locally obtain the maintenance content, the maintenance time and the maintenance result information of the service, can be arranged according to the time sequence, and can delete the content of the appointed time period according to the setting and keep the record content of the latest log when the log text is too large.
Preferably, the system realizes the safety authentication strategy judgment of the called related information service through the service management module; the functions of the service management module include service creation, service registration, service on-line/off-line application, service approval, service notification, service status monitoring, service inquiry and service location.
Preferably, the security authentication policy provides a security authentication mechanism for the remote operation and maintenance server data, and specifically includes:
the substation end sets a resident process which can monitor whether the access of the master station client to the substation server is activated through the password and ukey authentication of the master station end;
the remote operation and maintenance service of the substation end is in an inactive state;
when the client of the main station passes the password and the ukey authentication, the resident process activates the corresponding service of the sub-station end to realize the data access between the main station and the sub-station;
when the master station client fails to pass the password or ukey authentication, the resident process does not activate the corresponding service of the sub-station terminal, namely, the master station client cannot access the substation data.
Preferably, the flow control policy includes:
bandwidth guarantee and limitation, wherein the bandwidth of the data transmission of the sensitive data service needs to be guaranteed, and the bandwidth of other data needs to be limited;
and establishing a priority flow control queue for special properties of different services by adopting priority guarantee, and realizing a flow control strategy according to priority.
A remote operation and maintenance system for automation equipment of a wide area transformer substation comprises
The data transmission module is used for scheduling the master station end to transmit the double-factor login information to the transformer substation end;
the data receiving module is used for authenticating the dual-factor login information and activating a login system after the dual-factor login information is received by the substation end;
the data controller is used for scheduling the master station end to call related information services in the system after the system logs in;
the system comprises an information acquisition module, a service management module and a service management module, wherein the information acquisition module is used for acquiring a responsibility area, a permission, a service list and an operation list of a current user by the system;
the data display module is used for displaying a service list and an operation list of a current user;
the safety authentication module is used for judging the safety authentication strategy of the called related information service by the system;
and the flow control module is used for carrying out remote operation and maintenance service after the related information service judged by the security authentication strategy is audited by the flow control strategy.
Preferably, the data controller comprises a remote wake-up service module, a remote reset service module, a historical information retrieval service module and a forwarding table monitoring service module;
the remote wake-up service module is used for sending a remote wake-up command by the main station end and waking up the sub-station end to enable the sub-station end to enter a working state and a hot standby state when the sub-station end is in a shutdown state and a standby state;
the remote reset service module is used for sending a remote reset command by the master station end, so that the relevant services and equipment of the master station end are reset and the normal state is recovered;
the historical information retrieval service module is used for performing data interaction between the historical information retrieval service module of the main station end and data in the substation ends, acquiring historical record information stored by the substation end and realizing remote inquiry of the historical record information of each substation end by the main station end;
the forwarding table monitoring service module is used for remotely retrieving equipment operated by the transformer substation and realizing the visual monitoring of the forwarding table data by the scheduling end.
A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the remote operation and maintenance method of the wide area substation automation device when executing the computer program.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a remote operation and maintenance method of wide-area substation automation equipment, which realizes remote centralized operation and maintenance control of the substation automation equipment through a wide-area operation and maintenance system technology and improves the intensive management level of a master station end on the substation end equipment; based on a high-performance general service architecture, a three-layer network system of a public service layer, a general service layer and an application service layer is adopted to realize the service of the application function of the automation equipment at the transformer substation end; based on key technologies such as double-factor login, digital signature and authority authentication, the deep safety protection in the integrated full-communication process from dispatching to the transformer substation is realized, and the safety of remote operation of the transformer substation equipment by the master station is improved; based on a team responsibility area division mechanism, the work burden of operation and maintenance personnel of the maintenance team is reduced, and intensive management of the maintenance team on the transformer substation in the responsibility area is realized.
The method and the system realize remote calling of the substation-side automation equipment service based on a security policy mechanism and a wide area service bus interaction mechanism, improve the management level of the substation automation equipment, and improve the safety and reliability of scheduling operation and maintenance; the main station and the substation remote interaction technology based on the service reduces the burden of the main station, solves the problems of high field maintenance cost and low efficiency, and ensures the operation safety of the automatic equipment of the unattended substation; the remote operation and maintenance technology of the transformer substation optimizes the data access modes of the main station and the sub-stations, realizes the centralized management of automation equipment of the transformer substation, lightens the workload of operation and maintenance personnel of the transformer substation, and improves the operation safety, the intelligence, the operation and maintenance convenience of the transformer substation and the supporting effect on a control main station.
Drawings
Fig. 1 is a flow chart of a remote operation and maintenance method of a wide area substation automation device according to the present invention;
fig. 2 is a structural diagram of a remote operation and maintenance system of a wide area substation automation device according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, in an embodiment of the present invention, a remote operation and maintenance method for a wide-area substation automation device is provided, so as to implement centralized management of the substation automation device, improve the security of a master station for remotely operating the substation device, reduce the workload of substation operation and maintenance personnel, and improve the operation security, intelligence, operation and maintenance convenience of the substation and the support effect on a master control station.
Specifically, the remote operation and maintenance method comprises the following steps:
the scheduling master station end sends double-factor login information to the transformer station end;
after receiving the dual-factor login information, the substation side authenticates the dual-factor login information and activates a login system;
after the system logs in, a scheduling master station terminal calls related information services in the system;
the system acquires a responsibility area, a right, a service list and an operation list of a current user;
displaying a service list and an operation list of a current user;
the system judges the safety authentication strategy of the called related information service;
and performing remote operation and maintenance service after the related information service judged by the security authentication strategy is checked by the flow control strategy.
Specifically, the scheduling master station terminal starts double-factor login information to the transformer station terminal, and maintains data of the slave station terminal through double confirmation modes of an operator and a guardian, wherein the double confirmation modes comprise:
single machine double acknowledgement mode: the method comprises the steps that a master station terminal selects maintenance services, an input operator user name and password dialog box are displayed on the master station terminal, the input monitor user name and password dialog box are continuously displayed after the input is successful, the maintenance services of remote operation and maintenance can be maintained after the operator and the monitor confirm the input is successful, and meanwhile, the master station terminal registers maintenance content, time, maintenance results and name information of the operator and the monitor;
the different-machine double-confirmation mode: the method comprises the steps that maintenance services are selected in one machine of a master station end, an operator user name and password dialog box is displayed and input in the machine, after input is successful, a guardian user name and password dialog box is displayed and input in the other machine, after input is successful, after the operator and the guardian confirm, maintenance of the maintenance services of remote operation and maintenance can be conducted, and meanwhile, maintenance content, time, maintenance results and name information of the operator and the guardian are registered in the master station end.
Specifically, the related information service comprises a remote wakeup service, a remote reset service, a historical information retrieval service and a forwarding table monitoring service;
the remote awakening service is used for sending a remote awakening command to the main station end and awakening the sub-station end to enable the sub-station end to enter a working state and a hot standby state when the sub-station end is in a shutdown state and a standby state;
the remote reset service is that a master station end sends a remote reset command to reset relevant services and equipment of the master station end and restore the normal state;
the historical information retrieval service is used for performing data interaction between a historical information retrieval service module of the main station end and data in the substation ends to acquire historical record information stored by the substation end, so that the main station end can remotely inquire the historical record information of each substation end;
the forwarding table monitoring service conducts remote retrieval on equipment operated by the transformer substation, and visual monitoring of the forwarding table data by the scheduling end is achieved.
Specifically, the system acquires a responsibility area, an authority, a service list and an operation list of a current user through a log recording function, wherein the log recording function comprises a master station end log and a slave station end log;
the main station side log records the name, maintenance content, maintenance time and maintenance result of the login personnel, and can be arranged according to the time sequence, when the log text is too large, the content of a specified time period can be deleted according to the setting, and the recording content of the latest log is reserved;
the sub-station end log obtains the name of the login personnel of the main station end through the main station end and the sub-station end channel, can locally obtain the maintenance content, the maintenance time and the maintenance result information of the service, can be arranged according to the time sequence, and can delete the content of the appointed time period according to the setting and keep the record content of the latest log when the log text is too large.
The system realizes the safety authentication strategy judgment of the called related information service through the service management module; the functions of the service management module include service creation, service registration, service on-line/off-line application, service approval, service notification, service status monitoring, service inquiry and service location.
Wherein the service creation: creating a service through an API (application programming interface) provided by a service management module, and finally generating a service description file of the service;
service registration: and submitting the service description file generated when the service is created to the service registration service of the main service management module. After the service registration service analyzes the service description file, firstly, the registration information is issued to the corresponding sub-service management module according to the service registration content, and then the service is added into the storage system;
service on-line/off-line application: after the service registration is successful, a service on-line application must be submitted, and the service can be normally used after approval and approval. When the service needs to be stopped for maintenance, a service offline application needs to be submitted. When the service life cycle is finished, a deletion application can be submitted, and the service information can be completely deleted from the master station end;
service approval: the main station maintenance personnel start a service management tool, the service management tool comprises all services waiting for examination and approval, and the mode of judging whether the services wait for examination and approval is as follows: comparing the current service state with the service application state in the database, and determining the service to be examined and approved if the current service state and the service application state are different;
service notification: after the maintainer approves the application, the service management tool calls a service notification interface to send out a service state change notification, and the agent program releases the service limitation after receiving the notification and allows the service request of the corresponding substation to pass;
service state monitoring: the service monitoring comprises four parts, namely a service monitoring program of a main station end, a service monitoring interface responsible for data exchange between the main station and the sub station, a service monitoring service of the sub station end, and a module for processing a monitoring request by the service deployed at the sub station end. And the service monitoring program of the main station end is responsible for acquiring service monitoring information from the service monitoring service of the sub-station end at regular time according to the service monitoring period and updating the acquired service monitoring information into the real-time library. After receiving a service monitoring request sent by a main station end, a service monitoring service of a sub-station end adds the service into a monitoring service table, and then sends the monitoring request to a service end program according to a monitoring period, wherein the service monitoring service is also responsible for returning monitoring data to the service monitoring program of the main station end;
service inquiry: providing static and dynamic attribute query functions of all online services;
service positioning: service location information is provided for service consumers at the master site. The service location information is provided by the slave station at the time of service registration, and the information is stored in the service management module of the master station. The service consumer sends a positioning request to the service positioning service, and the service positioning service inquires corresponding service position information from the service management module. According to the requirements of service consumers, the service positioning service returns the position of the service host, the service position with the highest service quality and the positions of all services.
Specifically, the security authentication policy provides a security authentication mechanism for the remote operation and maintenance server data, and specifically includes:
the substation end sets a resident process which can monitor whether the access of the master station client to the substation server passes the password and ukey authentication of the master station end;
the remote operation and maintenance service of the substation end is in an inactive state;
when the client of the main station passes the password and the ukey authentication, the resident process activates the corresponding service of the sub-station end to realize the data access between the main station and the sub-station;
when the master station client fails to pass the password or ukey authentication, the resident process does not activate the corresponding service of the sub-station terminal, namely, the master station client cannot access the substation data.
Specifically, the flow control policy includes:
bandwidth guarantee and limitation, wherein the bandwidth of the data transmission of the sensitive data service needs to be guaranteed, and the bandwidth of other data needs to be limited;
and establishing a priority flow control queue for special properties of different services by adopting priority guarantee, and realizing a flow control strategy according to priority.
In summary, the invention provides a remote operation and maintenance method for wide-area substation automation equipment, which realizes remote centralized operation and maintenance management and control of the substation automation equipment through a wide-area operation and maintenance system technology, and improves the intensive management level of the substation equipment by a master station end; based on a high-performance general service architecture, a three-layer network system of a public service layer, a general service layer and an application service layer is adopted to realize the service of the application function of the automation equipment at the transformer substation end; based on key technologies such as double-factor login, digital signature and authority authentication, the deep safety protection in the integrated full-communication process from dispatching to the transformer substation is realized, and the safety of remote operation of the transformer substation equipment by the master station is improved; based on a team responsibility area division mechanism, the work burden of operation and maintenance personnel of the maintenance team is reduced, and intensive management of the maintenance team on the transformer substation in the responsibility area is realized.
The method and the system realize remote calling of the substation-side automation equipment service based on a security policy mechanism and a wide area service bus interaction mechanism, improve the management level of the substation automation equipment, and improve the safety and reliability of scheduling operation and maintenance; the main station and the substation remote interaction technology based on the service reduces the burden of the main station, solves the problems of high field maintenance cost and low efficiency, and ensures the operation safety of the automatic equipment of the unattended substation; the remote operation and maintenance technology of the transformer substation optimizes the data access modes of the main station and the sub-stations, realizes the centralized management of automation equipment of the transformer substation, lightens the workload of operation and maintenance personnel of the transformer substation, and improves the operation safety, the intelligence, the operation and maintenance convenience of the transformer substation and the supporting effect on a control main station.
The following are embodiments of the apparatus of the present invention that may be used to perform embodiments of the method of the present invention. For details of non-careless mistakes in the embodiment of the apparatus, please refer to the embodiment of the method of the present invention.
In an embodiment of the present invention, a remote operation and maintenance system for a wide area substation automation device is provided, as shown in fig. 2, which can be used to implement the remote operation and maintenance method for a wide area substation automation device in the foregoing embodiment, where the remote operation and maintenance system includes a data sending module, a data receiving module, a data controller, an information obtaining module, a data display module, a security authentication module, a flow control module, a double confirmation module, a log recording module, and a service management module;
the data transmission module is used for scheduling the master station end to transmit the double-factor login information to the transformer substation end;
the data receiving module is used for authenticating the dual-factor login information and activating a login system after the dual-factor login information is received by the substation end;
the data controller is used for scheduling the master station end to call related information services in the system after the system logs in;
the system comprises an information acquisition module, a service management module and a service management module, wherein the information acquisition module is used for acquiring a responsibility area, a permission, a service list and an operation list of a current user by the system;
the data display module is used for displaying a service list and an operation list of a current user;
the safety authentication module is used for judging the safety authentication strategy of the called related information service by the system;
and the flow control module is used for carrying out remote operation and maintenance service after the related information service judged by the security authentication strategy is audited by the flow control strategy.
The double-confirmation module is used for scheduling the master station end to start double-factor login information to the transformer station end, and maintaining data of the slave station end in a double-confirmation mode of an operator and a guardian, wherein the double-confirmation mode comprises the following steps:
single machine double acknowledgement mode: the method comprises the steps that a master station terminal selects maintenance services, an input operator user name and password dialog box are displayed on the master station terminal, the input monitor user name and password dialog box are continuously displayed after the input is successful, the maintenance services of remote operation and maintenance can be maintained after the operator and the monitor confirm the input is successful, and meanwhile, the master station terminal registers maintenance content, time, maintenance results and name information of the operator and the monitor;
the different-machine double-confirmation mode: the method comprises the steps that maintenance services are selected in one machine of a master station end, an operator user name and password dialog box is displayed and input in the machine, after input is successful, a guardian user name and password dialog box is displayed and input in the other machine, after input is successful, after the operator and the guardian confirm, maintenance of the maintenance services of remote operation and maintenance can be conducted, and meanwhile, maintenance content, time, maintenance results and name information of the operator and the guardian are registered in the master station end.
The system comprises a log recording module, a service management module and a service management module, wherein the log recording module is used for acquiring a responsibility area, a permission, a service list and an operation list of a current user by a system through a log recording function, and the log recording function comprises a master station end log and a slave station end log;
the main station side log records the name, maintenance content, maintenance time and maintenance result of the login personnel, and can be arranged according to the time sequence, when the log text is too large, the content of a specified time period can be deleted according to the setting, and the recording content of the latest log is reserved;
the sub-station end log obtains the name of the login personnel of the main station end through the main station end and the sub-station end channel, can locally obtain the maintenance content, the maintenance time and the maintenance result information of the service, can be arranged according to the time sequence, and can delete the content of the appointed time period according to the setting and keep the record content of the latest log when the log text is too large.
The service management module is used for the system to judge the safety authentication strategy of the called related information service through the service management module; the service management module has the functions of service creation, service registration, service online/offline application, service examination and approval, service notification, service state monitoring, service inquiry and service positioning;
wherein, the service creation: creating a service through an API (application programming interface) provided by a service management module, and finally generating a service description file of the service;
service registration: and submitting the service description file generated when the service is created to the service registration service of the main service management module. After the service registration service analyzes the service description file, firstly, the registration information is issued to the corresponding sub-service management module according to the service registration content, and then the service is added into the storage system;
service on-line/off-line application: after the service registration is successful, a service on-line application must be submitted, and the service can be normally used after approval and approval. When the service needs to be stopped for maintenance, a service offline application needs to be submitted. When the service life cycle is finished, a deletion application can be submitted, and the service information can be completely deleted from the master station end;
service approval: the main station maintenance personnel start a service management tool, the service management tool comprises all services waiting for examination and approval, and the mode of judging whether the services wait for examination and approval is as follows: comparing the current service state with the service application state in the database, and determining the service to be examined and approved if the current service state and the service application state are different;
service notification: after the maintainer approves the application, the service management tool calls a service notification interface to send out a service state change notification, and the agent program releases the service limitation after receiving the notification and allows the service request of the corresponding substation to pass;
service state monitoring: the service monitoring comprises four parts, namely a service monitoring program of a main station end, a service monitoring interface responsible for data exchange between the main station and the sub station, a service monitoring service of the sub station end, and a module for processing a monitoring request by the service deployed at the sub station end. And the service monitoring program of the main station end is responsible for acquiring service monitoring information from the service monitoring service of the sub-station end at regular time according to the service monitoring period and updating the acquired service monitoring information into the real-time library. After receiving a service monitoring request sent by a main station end, a service monitoring service of a sub-station end adds the service into a monitoring service table, and then sends the monitoring request to a service end program according to a monitoring period, wherein the service monitoring service is also responsible for returning monitoring data to the service monitoring program of the main station end;
service inquiry: providing static and dynamic attribute query functions of all online services;
service positioning: service location information is provided for service consumers at the master site. The service location information is provided by the slave station at the time of service registration, and the information is stored in the service management module of the master station. The service consumer sends a positioning request to the service positioning service, and the service positioning service inquires corresponding service position information from the service management module. According to the requirements of service consumers, the service positioning service returns the position of the service host, the service position with the highest service quality and the positions of all services.
The data controller comprises a remote awakening service module, a remote resetting service module, a historical information retrieval service module and a forwarding table monitoring service module;
the remote wake-up service module is used for sending a remote wake-up command by the main station end and waking up the sub-station end to enable the sub-station end to enter a working state and a hot standby state when the sub-station end is in a shutdown state and a standby state;
the remote reset service module is used for sending a remote reset command by the master station end, so that the relevant services and equipment of the master station end are reset and the normal state is recovered;
the historical information retrieval service module is used for performing data interaction between the historical information retrieval service module of the main station end and data in the substation ends, acquiring historical record information stored by the substation end and realizing remote inquiry of the historical record information of each substation end by the main station end;
the forwarding table monitoring service module is used for remotely retrieving equipment operated by the transformer substation and realizing the visual monitoring of the forwarding table data by the scheduling end.
In yet another embodiment of the present invention, a computer device is provided, comprising a memory for storing a computer program, a processor, and a computer program stored in the memory and executable on the processor, the computer program comprising program instructions, the processor for executing the program instructions stored by the computer storage medium. The Processor may be a Central Processing Unit (CPU), or may be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable gate array (FPGA) or other Programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, etc., which is a computing core and a control core of the terminal, and is adapted to implement one or more instructions, and is specifically adapted to load and execute one or more instructions to implement a corresponding method flow or a corresponding function; the processor provided by the embodiment of the invention can be used for operating the remote operation and maintenance system of the wide area substation automation equipment.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A remote operation and maintenance method for wide area substation automation equipment is characterized by comprising the following steps:
the scheduling master station end sends double-factor login information to the transformer station end;
after receiving the dual-factor login information, the substation side authenticates the dual-factor login information and activates a login system;
after the system logs in, a scheduling master station terminal calls related information services in the system;
the system acquires a responsibility area, a right, a service list and an operation list of a current user;
displaying a service list and an operation list of a current user;
the system judges the safety authentication strategy of the called related information service;
and performing remote operation and maintenance service after the related information service judged by the security authentication strategy is checked by the flow control strategy.
2. The remote operation and maintenance method of the wide area substation automation equipment according to claim 1, wherein the scheduling master station side sends a dual factor login message to the substation side, and the data of the substation side is maintained through a dual confirmation mode of an operator and a guardian, wherein the dual confirmation mode includes:
single machine double acknowledgement mode: the method comprises the steps that a master station terminal selects maintenance services, an input operator user name and password dialog box are displayed on the master station terminal, the input monitor user name and password dialog box are continuously displayed after the input is successful, the maintenance services of remote operation and maintenance can be maintained after the operator and the monitor confirm the input is successful, and meanwhile, the master station terminal registers maintenance content, time, maintenance results and name information of the operator and the monitor;
the different-machine double-confirmation mode: the method comprises the steps that maintenance services are selected in one machine of a master station end, an operator user name and password dialog box is displayed and input in the machine, after input is successful, a guardian user name and password dialog box is displayed and input in the other machine, after input is successful, after the operator and the guardian confirm, maintenance of the maintenance services of remote operation and maintenance can be conducted, and meanwhile, maintenance content, time, maintenance results and name information of the operator and the guardian are registered in the master station end.
3. The method of claim 1, wherein the related information services comprise a remote wake-up service, a remote reset service, a history information retrieval service, and a forwarding table monitoring service;
the remote awakening service is used for sending a remote awakening command to the main station end and awakening the sub-station end to enable the sub-station end to enter a working state and a hot standby state when the sub-station end is in a shutdown state and a standby state;
the remote reset service is that a master station end sends a remote reset command to reset relevant services and equipment of the master station end and restore the normal state;
the historical information retrieval service is used for performing data interaction between a historical information retrieval service module of the main station end and data in the substation ends to acquire historical record information stored by the substation end, so that the main station end can remotely inquire the historical record information of each substation end;
the forwarding table monitoring service conducts remote retrieval on equipment operated by the transformer substation, and visual monitoring of the forwarding table data by the scheduling end is achieved.
4. The remote operation and maintenance method for the wide area substation automation equipment according to claim 1, wherein the system obtains the responsibility area, the authority, the service list and the operation list of the current user through a log recording function, wherein the log recording function comprises a master station side log and a slave station side log;
the main station side log records the name, maintenance content, maintenance time and maintenance result of the login personnel, and can be arranged according to the time sequence, when the log text is too large, the content of a specified time period can be deleted according to the setting, and the recording content of the latest log is reserved;
the sub-station end log obtains the name of the login personnel of the main station end through the main station end and the sub-station end channel, can locally obtain the maintenance content, the maintenance time and the maintenance result information of the service, can be arranged according to the time sequence, and can delete the content of the appointed time period according to the setting and keep the record content of the latest log when the log text is too large.
5. The remote operation and maintenance method for the wide area substation automation equipment according to claim 1, wherein the system performs security authentication policy judgment on the called related information service through the service management module; the functions of the service management module include service creation, service registration, service on-line/off-line application, service approval, service notification, service status monitoring, service inquiry and service location.
6. The remote operation and maintenance method for the wide area substation automation equipment according to claim 1, wherein the security authentication policy provides a security authentication mechanism for the remote operation and maintenance server data, and specifically comprises:
the substation end sets a resident process which can monitor whether the access of the master station client to the substation server is activated through the password and ukey authentication of the master station end;
the remote operation and maintenance service of the substation end is in an inactive state;
when the client of the main station passes the password and the ukey authentication, the resident process activates the corresponding service of the sub-station end to realize the data access between the main station and the sub-station;
when the master station client fails to pass the password or ukey authentication, the resident process does not activate the corresponding service of the sub-station terminal, namely, the master station client cannot access the substation data.
7. The remote operation and maintenance method for the wide area substation automation equipment according to claim 1, wherein the flow control strategy comprises:
bandwidth guarantee and limitation, wherein the bandwidth of the data transmission of the sensitive data service needs to be guaranteed, and the bandwidth of other data needs to be limited;
and establishing a priority flow control queue for special properties of different services by adopting priority guarantee, and realizing a flow control strategy according to priority.
8. A remote operation and maintenance system of wide area substation automation equipment is characterized by comprising
The data transmission module is used for scheduling the master station end to transmit the double-factor login information to the transformer substation end;
the data receiving module is used for authenticating the dual-factor login information and activating a login system after the dual-factor login information is received by the substation end;
the data controller is used for scheduling the master station end to call related information services in the system after the system logs in;
the system comprises an information acquisition module, a service management module and a service management module, wherein the information acquisition module is used for acquiring a responsibility area, a permission, a service list and an operation list of a current user by the system;
the data display module is used for displaying a service list and an operation list of a current user;
the safety authentication module is used for judging the safety authentication strategy of the called related information service by the system;
and the flow control module is used for carrying out remote operation and maintenance service after the related information service judged by the security authentication strategy is audited by the flow control strategy.
9. The remote operation and maintenance system of the wide area substation automation device of claim 8, wherein the data controller comprises a remote wake-up service module, a remote reset service module, a history information retrieval service module and a forwarding table monitoring service module;
the remote wake-up service module is used for sending a remote wake-up command by the main station end and waking up the sub-station end to enable the sub-station end to enter a working state and a hot standby state when the sub-station end is in a shutdown state and a standby state;
the remote reset service module is used for sending a remote reset command by the master station end, so that the relevant services and equipment of the master station end are reset and the normal state is recovered;
the historical information retrieval service module is used for performing data interaction between the historical information retrieval service module of the main station end and data in the substation ends, acquiring historical record information stored by the substation end and realizing remote inquiry of the historical record information of each substation end by the main station end;
the forwarding table monitoring service module is used for remotely retrieving equipment operated by the transformer substation and realizing the visual monitoring of the forwarding table data by the scheduling end.
10. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program performs the steps of the method for remote operation and maintenance of a wide area substation automation device according to any one of claims 1 to 7.
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| CN115001708A (en) * | 2022-05-30 | 2022-09-02 | 国网电力科学研究院有限公司 | Network security operation and maintenance method and device for power grid dispatching automation master station system |
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| CN115001708A (en) * | 2022-05-30 | 2022-09-02 | 国网电力科学研究院有限公司 | Network security operation and maintenance method and device for power grid dispatching automation master station system |
| CN115001708B (en) * | 2022-05-30 | 2024-04-02 | 国网电力科学研究院有限公司 | Network security operation and maintenance method and device for power grid dispatching automation master station system |
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