CN111525686A - One-key stop control-based safety protection design and implementation method for electric power monitoring system - Google Patents
One-key stop control-based safety protection design and implementation method for electric power monitoring system Download PDFInfo
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- CN111525686A CN111525686A CN202010253002.7A CN202010253002A CN111525686A CN 111525686 A CN111525686 A CN 111525686A CN 202010253002 A CN202010253002 A CN 202010253002A CN 111525686 A CN111525686 A CN 111525686A
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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
- H02J13/00006—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
- H02J13/00028—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 involving the use of Internet protocols
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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
- 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
Abstract
The invention discloses a safety protection design and implementation method of an electric power monitoring system based on one-key stop control, which comprises the following steps: starting a server program, and managing and registering the power monitoring system; establishing communication connection between the server program and the stop control operation box; the server program synchronizes the current state of the operation box; the server program is in communication connection with the operation box, and the operation box and the server program normally perform IEC104 protocol test frame question answering under the non-emergency condition; the server program receives the button operation signal, judges whether the operation signal is a correct operation signal, and further analyzes whether the operation instruction is to forbid remote control or restore remote control if the operation instruction is the correct operation signal; the operation signal is a remote control forbidding instruction, all remote control message instructions in the EMS system are filtered, the workstation is informed to pop up an alarm picture, and an alarm ring is sounded; the operation signal is a remote control recovery instruction, the remote control message instruction function in the EMS system is shielded and filtered, the workstation is informed to close an alarm picture, and the alarm bell is closed at the same time.
Description
Technical Field
The invention relates to a safety protection design and implementation method of an electric power monitoring system based on one-key stop control, and belongs to the technical field of electric power automation monitoring.
Background
With the development of computer network technology, network security and protection work is becoming more and more severe, although the existing power monitoring system (hereinafter referred to as "EMS system") has security monitoring means such as an intranet security monitoring platform, etc., it needs professional personnel to maintain and operate, and an irrecoverable accident can be caused by a second-level error of a system for controlling the operation of a power transmission network. In an emergency, the scheduling monitoring personnel have no means for removing the potential safety hazard of the system, and can only inform professionals to process and wait for the result, and the situation may develop to an irretrievable place.
In summary, the problem is that in an emergency, an EMS system regulator lacks effective measures to prevent dangerous operation instructions such as remote control in the EMS system from being issued.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a safety protection design and implementation method of an electric power monitoring system based on one-key stop control, firstly, a one-key stop control concept is provided, and a regulation and control person can realize the interruption of the issuing of control operation instructions to all transformer substations in an EMS system through a one-key stop control function module, and simultaneously, the acquisition information of remote measurement, remote signaling and the like is kept and can still be continuously sent to the EMS system.
The invention specifically adopts the following technical scheme: the safety protection design and implementation method of the power monitoring system based on one-key stop control is characterized by comprising the following steps:
step SS 1: starting a server program, and managing and registering the power monitoring system;
step SS 2: establishing communication connection between the server program and the stop control operation box;
step SS 3: the server program synchronizes the current state of the operation box;
step SS 4: the server program is in communication connection with the operation box, and the operation box and the server program normally perform IEC104 protocol test frame question answering under the non-emergency condition;
step SS 5: the server program receives the button operation signal, judges whether the operation signal is a correct operation signal, and further analyzes whether the operation instruction is to forbid remote control or restore remote control if the operation instruction is the correct operation signal; if not, returning to step SS 4;
step SS 6: the operation signal is a remote control forbidding instruction, all remote control message instructions in the EMS system are filtered, the workstation is informed to pop up an alarm picture, and an alarm ring is sounded;
step SS 7: the operation signal is a remote control recovery instruction, the remote control message instruction function in the EMS system is shielded and filtered, the workstation is informed to close an alarm picture, and the alarm bell is closed at the same time.
As a preferred embodiment, step SS2 specifically includes: and the server program and the stop control operation box are communicated by adopting an IEC104 protocol.
As a preferred embodiment, in the communication process between the server program and the stop control operation box, whether the current button is operated correctly or not is obtained and an on-off signal is given out after the mapping relation is passed through the selected four specific remote signaling points.
As a preferred embodiment, the alarm screen of step SS6 may not be turned off manually.
As a preferred embodiment, the operation box includes a CPU circuit and a button circuit which are connected through two 100M/1000M ethernet channels in a communication manner, and the CPU circuit and the button circuit are isolated by an optical coupler.
As a preferred embodiment, the CPU circuit includes a CPU and an F81866 phentck I/O chip, and the CPU is in communication connection with the F81866 phentck I/O chip and the two 100M/1000M ethernet channels, respectively.
As a preferred embodiment, the CPU collects the on-off signal after optical isolation through the F81866 fintek I/O chip to complete the on-off state of the CPU identification button; and the F81866 Fentck I/O chip controls the states of the red and green indicator lights through the digital I/O interface to realize the interaction of the equipment state and the user information.
As a preferred embodiment, the CPU utilizes an RTL8111GN network card to implement the two 100M/1000M ethernet channels through a PCIe high-speed signal bus; and the CPU realizes the loading of the user EMS system and the user server program through the PCIe mini slot.
As a preferred embodiment, the button circuit includes a self-locking button and a red/green indicator light, and the CPU circuit is in communication connection with the self-locking button and the red/green indicator light through the two 100M/1000M ethernet channels, respectively.
In a preferred embodiment, the CPU is an intel pentium or sialon chip with 14nm particles.
The invention achieves the following beneficial effects: firstly, aiming at the service characteristics of the regulating personnel, the invention designs a convenient operation mode, namely, the button operation is adopted, the button has only two states of separation or combination, the operation is quick and efficient, and the electric power regulating personnel can complete the treatment under the emergency condition without any complex computer operation instruction under the emergency condition. Secondly, the invention adopts a multiple safety protection design, the operation button is placed in the operation box, the box lock adopts double keys and is distributed to different authorities for management, and the operation box and the background service program of the power monitoring system communicate in a private mapping encryption mode. Thirdly, the invention adopts multiple alarms for highlighting, namely, an alarm bell and an alarm lamp flash mode, and an electric power and EMS system pops up an alarm picture. Fourthly, the invention adopts the filtering function according to types to filter the remote control dangerous operation instruction and simultaneously ensure the normal receiving of the remote measuring and remote signaling functions.
Drawings
Fig. 1 is a topological flow chart of a design and implementation method of safety protection of a power monitoring system based on one-touch shutdown.
Fig. 2 is a schematic diagram of the internal circuitry of a preferred embodiment of the control box of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the present invention provides a safety protection design and implementation method for an electric power monitoring system based on one-key shutdown, which includes the following steps:
step SS 1: starting a server program, and managing and registering the power monitoring system;
step SS 2: establishing communication connection between the server program and the stop control operation box;
step SS 3: the server program synchronizes the current state of the operation box;
step SS 4: the server program is in communication connection with the operation box, and the operation box and the server program normally perform IEC104 protocol test frame question answering under the non-emergency condition;
step SS 5: the server program receives the button operation signal, judges whether the operation signal is a correct operation signal, and further analyzes whether the operation instruction is to forbid remote control or restore remote control if the operation instruction is the correct operation signal; if not, returning to step SS 4;
step SS 6: the operation signal is a remote control forbidding instruction, all remote control message instructions in the EMS system are filtered, the workstation is informed to pop up an alarm picture, and an alarm ring is sounded;
step SS 7: the operation signal is a remote control recovery instruction, the remote control message instruction function in the EMS system is shielded and filtered, the workstation is informed to close an alarm picture, and the alarm bell is closed at the same time.
As a preferred embodiment, step SS2 specifically includes: and the server program and the stop control operation box are communicated by adopting an IEC104 protocol.
As a preferred embodiment, in the communication process between the server program and the stop control operation box, whether the current button is operated correctly or not is obtained and an on-off signal is given out after the mapping relation is passed through the selected four specific remote signaling points.
As a preferred embodiment, the alarm screen of step SS6 may not be turned off manually.
As shown in fig. 2, as a preferred embodiment, the operation box includes a CPU circuit and a button circuit communicatively connected via two 100M/1000M ethernet channels, and the CPU circuit and the button circuit are isolated by optical coupling.
As a preferred embodiment, the CPU circuit includes a CPU and an F81866 phentck I/O chip, and the CPU is in communication connection with the F81866 phentck I/O chip and the two 100M/1000M ethernet channels, respectively.
As a preferred embodiment, the CPU collects the on-off signal after optical isolation through the F81866 fintek I/O chip to complete the on-off state of the CPU identification button; and the F81866 Fentck I/O chip controls the states of the red and green indicator lights through the digital I/O interface to realize the interaction of the equipment state and the user information.
As a preferred embodiment, the CPU utilizes an RTL8111GN network card to implement the two 100M/1000M ethernet channels through a PCIe high-speed signal bus; and the CPU realizes the loading of the user EMS system and the user server program through the PCIe mini slot.
As a preferred embodiment, the button circuit includes a self-locking button and a red/green indicator light, and the CPU circuit is in communication connection with the self-locking button and the red/green indicator light through the two 100M/1000M ethernet channels, respectively.
In a preferred embodiment, the CPU is an intel pentium or sialon chip with 14nm particles.
It should be noted that PCIe, SATA, DDR3L, eDP, DDI, and SPI in fig. 2 are buses in the communication field.
The operation box of the invention also comprises: an RJ45 interface is one of the connectors of information sockets (i.e. communication outlets) in wiring systems, and the connector consists of a plug (connector, crystal plug) and a socket (module), the plug has 8 grooves and 8 contacts, and RJ is the abbreviation of Registered Jack, meaning the Registered socket; button: a button; the USB interface of PCIe USB bus standard belongs to high-speed serial point-to-point double-channel high-bandwidth transmission; RTL8111GN network card; LAN 1: a local area network; PCIE MiniSlot: a PCIE mini slot; SIM Card Slot- -the SIM Card Slot; SATA bus, SATA interface, an abbreviation for Serial ATA, Serial ATA; the mSATA Slot refers to an mSATA Slot; realtek ALC662 HD Audio Codec refers to the Realtek ALC662 high definition Audio Codec; the 10-pin Header refers to a 10-pin joint; TPM Connector: a TPM connector; EC ITE IT8587 refers to IT8587 intel EC chip; LPC: an LPC bus; digital I/O refers to a Digital I/O interface; CPU Fan refers to processor Fan; super IO Fintek F81866 refers to the F81866 Fentek I/O chip; RS-232/422/48 x 5-bus or interface; the SPI ROM refers to an SPI read-only memory; internal USB2.0 refers to Internal USB 2.0; idp (optional): refers to an image difference processor (optional); the VGA is a VGA interface which is an interface for outputting analog signals on the video card; DDI, Device Driver Interface (devicedevice Driver Interface); CH7517DP to VGA Converter refers to a CH7517 type DP to VGA Converter (digital-to-analog Converter); DP + + Connector refers to a digital signal Connector; dual-channel LVDS refers to a Dual-channel low-voltage differential signal; CH7511B DP to lvdscoverter refers to CH7511B converter (DP signal is converted to low voltage differential signal); edp refers to Embedded digital audio/video transmission interface (eDP); DDR3L refers to memory banks; SO-DIMMs refer to memory modules.
The signal acquisition that opens and shuts of artifical button realizes the isolation of button circuit and CPU circuit through the isolation of opto-coupler signal to effectively avoid the button to open and shut the interference of static that brings in the twinkling of an eye for weak current side signal. The CPU collects the opening and closing signals after optical isolation through the SuperIOFINtek F818866 interface so as to complete the opening and closing state of the CPU identification button and complete the realization of the hardware circuit level for converting the button signals into network signals. And controls the states of the two indicator lights through the I/O interface. And the interaction of the equipment state and the user information is realized. The CPU realizes two paths of 100M/1000M Ethernet channels by utilizing RTL8111GN through a PCIE high-speed signal bus, and realizes the loading of a user system and a user program through a PCIe Minin Slot.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The safety protection design and implementation method of the power monitoring system based on one-key stop control is characterized by comprising the following steps:
step SS 1: starting a server program, and managing and registering the power monitoring system;
step SS 2: establishing communication connection between the server program and the stop control operation box;
step SS 3: the server program synchronizes the current state of the operation box;
step SS 4: the server program is in communication connection with the operation box, and the operation box and the server program normally perform IEC104 protocol test frame question answering under the non-emergency condition;
step SS 5: the server program receives the button operation signal, judges whether the operation signal is a correct operation signal, and further analyzes whether the operation instruction is to forbid remote control or restore remote control if the operation instruction is the correct operation signal; if not, returning to step SS 4;
step SS 6: the operation signal is a remote control forbidding instruction, all remote control message instructions in the EMS system are filtered, the workstation is informed to pop up an alarm picture, and an alarm ring is sounded;
step SS 7: the operation signal is a remote control recovery instruction, the remote control message instruction function in the EMS system is shielded and filtered, the workstation is informed to close an alarm picture, and the alarm bell is closed at the same time.
2. The design and implementation method for one-touch-control-based power monitoring system safety protection according to claim 1, wherein the step SS2 specifically includes: and the server program and the stop control operation box are communicated by adopting an IEC104 protocol.
3. The design and implementation method for one-key stop control-based power monitoring system safety protection according to claim 2 is characterized in that whether the current button is operated correctly or not is obtained and an on-off signal is given out in the communication process between the server program and the stop control operation box through the mapping relation of the selected four specific remote signaling points.
4. The design and implementation method of one-touch power monitoring system safety protection based on claim 1, wherein the alarm screen in step SS6 cannot be turned off manually.
5. The design and implementation method of one-touch-control-based power monitoring system safety protection as claimed in claim 1, wherein the operation box comprises a CPU circuit and a button circuit which are in communication connection through two 100M/1000M ethernet channels, and the CPU circuit and the button circuit are isolated by optical coupling.
6. The power monitoring system safety protection design and implementation method based on one-key-stop control as claimed in claim 5, wherein the CPU circuit includes a CPU and a F81866 Fentck I/O chip, and the CPU is respectively in communication connection with the F81866 Fentck I/O chip and the two 100M/1000M Ethernet channels.
7. The design and implementation method for one-key-stop-control-based power monitoring system safety protection according to claim 6, wherein the CPU collects an opening and closing signal after optical isolation through the F81866 Fentck I/O chip so as to complete the opening and closing state of a CPU identification button; and the F81866 Fentck I/O chip controls the states of the red and green indicator lights through the digital I/O interface to realize the interaction of the equipment state and the user information.
8. The power monitoring system safety protection design and implementation method based on one-touch shutdown as claimed in claim 6, wherein the CPU implements the two 100M/1000M ethernet channels by using an RTL8111GN network card through a PCIe high-speed signal bus; and the CPU realizes the loading of the user EMS system and the user server program through the PCIe mini slot.
9. The design and implementation method for one-key-stop-control-based power monitoring system safety protection according to claim 5, wherein the button circuit comprises a self-locking button and a red-green indicator light, and the CPU circuit is in communication connection with the self-locking button and the red-green indicator light respectively through the two 100M/1000M Ethernet channels.
10. The design and implementation method of one-touch-based power monitoring system safety protection according to claim 6, wherein the CPU is an Intel Pentium or Saiyang chip with 14nm particles.
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| CN114844676A (en) * | 2022-04-02 | 2022-08-02 | 国网湖北省电力有限公司 | Network security threat emergency disposal system and method for power monitoring system |
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| CN101710736A (en) * | 2009-12-11 | 2010-05-19 | 江苏省电力公司镇江供电公司 | Intelligent controller of transformer substation |
| CN103368263A (en) * | 2013-07-18 | 2013-10-23 | 国家电网公司 | Detection method for communication states of IEC104 protocol of dispatching automation system |
| CN106300653A (en) * | 2015-05-25 | 2017-01-04 | 国家电网公司 | Power distribution automation main station system remote measure and communication introduction method |
| CN105894210A (en) * | 2016-04-21 | 2016-08-24 | 国电南瑞科技股份有限公司 | Remote operation anti-misoperation method for operation-bill trigger power grid equipment |
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| CN114844676A (en) * | 2022-04-02 | 2022-08-02 | 国网湖北省电力有限公司 | Network security threat emergency disposal system and method for power monitoring system |
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