CN109980789A - Condition detection method, device, equipment and the medium of DC control and protection system - Google Patents

Condition detection method, device, equipment and the medium of DC control and protection system Download PDF

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Publication number
CN109980789A
CN109980789A CN201910355409.8A CN201910355409A CN109980789A CN 109980789 A CN109980789 A CN 109980789A CN 201910355409 A CN201910355409 A CN 201910355409A CN 109980789 A CN109980789 A CN 109980789A
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China
Prior art keywords
control
signal
protection
protection system
network
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CN201910355409.8A
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CN109980789B (en
Inventor
卢远宏
郭琦
李书勇
郭海平
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China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
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China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
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Priority to CN201910355409.8A priority Critical patent/CN109980789B/en
Publication of CN109980789A publication Critical patent/CN109980789A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00001Circuit 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]
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/40Display of information, e.g. of data or controls

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

This application discloses a kind of condition detection method of DC control and protection system, device, equipment and computer readable storage mediums, comprising: is the physical couplings setting physics topological network of each DC control protection equipment and each DC control protection equipment in DC control and protection system according to preset data structure;According to transmission line of each control protection signal in DC control and protection system, logic topological network is set;When determining that signal is protected in target control, empty circuit information flow is arranged in the transmission line according to target control protection signal in logic topological network;Physical topology network, logic topological network and empty circuit information flow are shown by visualization device.Therefore; operation maintenance personnel can carry out fault detection to DC control and protection system according to the physical topology network, logic topological network and empty circuit information flow that visualization device is shown; so as to improve the reliability of DC control protection equipment, and improve the efficiency and safety of O&M service work.

Description

Condition detection method, device, equipment and the medium of DC control and protection system
Technical field
The present invention relates to power grid control field, in particular to a kind of condition detection method of DC control and protection system, dress It sets, equipment and computer readable storage medium.
Background technique
With the fast development of electric power network technique, DC transmission engineering transmission capacity is big, conveying distance is long, the device is complicated, because This is more and more important to the O&M monitoring work of DC control and protection system.But since the DC control inside converter station is protected Shield number of devices is more, and the physical couplings between each DC control protection equipment are complicated, and the prior art is by showing respectively The Interface status of single DC control protection equipment, detects each DC control protection equipment, cause operation maintenance personnel without Method quickly, accurately, clearly checks the connection relationship between each DC control protection equipment, can not then accomplish quickly and accurately Fault location or Fault Isolation are carried out, this seriously affects the reliability of DC control protection equipment and the efficiency of O&M service work And safety.That is, determine that the process of the fault condition of DC control and protection system is cumbersome according to the prior art, efficiency Lowly.
Therefore, the method for carrying out state-detection to DC control and protection system with how providing one kind more convenient and efficient is this The current technical issues that need to address of field technical staff.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of condition detection method of DC control and protection system, it can The reliability of DC control protection equipment is improved, and improves the efficiency and safety of O&M service work;Another mesh of the invention The condition checkout gear for being to provide a kind of DC control and protection system, equipment and computer readable storage medium, all have State beneficial effect.
In order to solve the above technical problems, the present invention provides a kind of condition detection method of DC control and protection system, comprising:
It is that each DC control protects equipment and each described straight in DC control and protection system according to preset data structure Flow control protects the physical couplings of equipment that physics topological network is arranged;
According to transmission line of each control protection signal in the DC control and protection system, logic topological network is set;
When determining that signal is protected in target control, the transmission line according to target control protection signal is patrolled described It collects and empty circuit information flow is set in topological network;
The physical topology network, the logic topological network and the empty circuit information are shown by visualization device Stream.
Preferably, further comprise:
Show that the corresponding signal numerical value of signal is protected in the target control by the visualization device.
Preferably, the biography described when determining that signal is protected in target control, according to target control protection signal Defeated route is arranged after the information flow of empty circuit in the logic topological network, further comprises:
By the visualization device show in the form of a list the target control protect signal the signal numerical value, The line information and the target direct current in the object transmission route of the object transmission route of the target control protection signal The facility information of control protection equipment.
Preferably, the method for determining target control protection signal includes:
The exception information in the DC control and protection system is detected, the target control is determined according to the exception information System protection signal.
Preferably, the method for determining target control protection signal includes:
The operational order for responding user determines that signal is protected in the target control according to the operational order.
Preferably, further comprise:
Store the physical topology network and/or the logic topological network and/or the empty circuit information flow.
In order to solve the above technical problems, the present invention also provides a kind of condition checkout gear of DC control and protection system, packet It includes:
First setup module, for being that each DC control is protected in DC control and protection system according to preset data structure Physics topological network is arranged in the physical couplings of equipment and each DC control protection equipment;
Second setup module, for the transmission line according to each control protection signal in the DC control and protection system Logic topological network is set;
Third setup module, for protecting signal according to the target control when determining that signal is protected in target control Transmission line empty circuit information flow is set in the logic topological network;
Display control module, for showing the physical topology network, the logic topological network by visualization device With the empty circuit information flow.
In order to solve the above technical problems, the present invention also provides a kind of condition detecting device of DC control and protection system, packet It includes:
Memory, for storing computer program;
Processor realizes the state inspection of any of the above-described kind of DC control and protection system when for executing the computer program The step of survey method.
In order to solve the above technical problems, the present invention also provides a kind of computer readable storage medium, it is described computer-readable Computer program is stored on storage medium, the computer program realizes any of the above-described kind of DC control when being executed by processor The step of condition detection method of protection system.
The condition detection method of DC control and protection system provided by the invention is shown as presetting by visualization device Data structure be that each DC control protects equipment and each DC control to protect the physics of equipment in DC control and protection system The physical topology network of connection relationship setting;It is set according to transmission line of each control protection signal in DC control and protection system The logic topological network set, and returned according to the target control protection signal determined in the void being arranged in logic topological network Road information flow.Therefore, operation maintenance personnel can be according to physical topology network, logic topological network and the void that visualization device is shown Circuit information flow carries out fault detection to DC control and protection system, so that the efficiency and safety of O&M service work are improved, And improve the reliability of DC control protection equipment.
In order to solve the above technical problems, the present invention also provides a kind of condition checkout gear of DC control and protection system, Equipment and computer readable storage medium all have above-mentioned beneficial effect.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly or the technical solution of the prior art, below will be to embodiment or existing Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to the attached drawing of offer.
Fig. 1 is a kind of flow chart of the condition detection method of DC control and protection system provided in an embodiment of the present invention;
Fig. 2 is a kind of structure chart of the condition checkout gear of DC control and protection system provided in an embodiment of the present invention;
Fig. 3 is a kind of structure chart of the condition detecting device of DC control and protection system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The core of the embodiment of the present invention is to provide a kind of condition detection method of DC control and protection system, can be improved pair The efficiency of the O&M service work of DC control and protection system, and improve the reliability of O&M service work;Of the invention is another One core is to provide condition checkout gear, equipment and the computer readable storage medium of a kind of DC control and protection system, has There is above-mentioned beneficial effect.
It is right with reference to the accompanying drawings and detailed description in order to make those skilled in the art more fully understand the present invention program The present invention is described in further detail.
Fig. 1 is a kind of flow chart of the condition detection method of DC control and protection system provided in an embodiment of the present invention.Such as Shown in Fig. 1, a kind of condition detection method of DC control and protection system includes:
S10: being that each DC control protects equipment and each straight in DC control and protection system according to preset data structure Flow control protects the physical couplings of equipment that physics topological network is arranged.
In practical applications, corresponding physical connection will be arranged according to the performance of different DC control protection equipment to close System, to realize the task objective of DC control and protection system.Specifically, reading each direct current in DC control and protection system first Physical couplings between control protection equipment and each DC control protection equipment, then according to variant DC control The physical couplings between equipment and each DC control protection equipment are protected, are DC control according to preset data structure Corresponding physical topology network is arranged in protection system.It is understood that relationship namely DC control protect equipment to physics in succession Between the relationship that is attached using physical connections such as optical fiber, ethernet line or cables.In other words, physical topology network It is exactly the topological network according to the physical couplings setting in DC control and protection system.It should be noted that physical topology Network is usually to have no right non-directed graph.
S20: logic topological network is arranged according to transmission line of each control protection signal in DC control and protection system.
It is understood that there are various controls to protect signal, each control protection signal in DC control and protection system It is transmitted along physical connection.Therefore, this step protects signal in DC control and protection system according to each DC control Logic topological network is arranged in transmission line, specifically on the basis of physical topology network, for the biography of each control protection signal A corresponding oriented route is arranged in defeated route, and each control protects the corresponding transmission line of signal to form logical topology net Network.It should be noted that since the transmission route that DC control protection signal is is directive, logic topological network one As to have no right digraph.
Specifically, in actual operation, classification setting logic topological network can also be carried out to DC control and protection system, So as to more clearly obtain the level corresponding relationship of each DC control protection equipment in DC control and protection system.Also It is to say, according to the performance of different DC control protection equipment, corresponding rank is provided, when logic topological network is arranged, Logic topological network is set according to corresponding rank, specifically includes station level, pole control layer, valve group control layer, valve control layer, interface and sets Standby etc., the present embodiment does not limit this.
S30: when determining that signal is protected in target control, the transmission line according to target control protection signal is opened up in logic It rushes the net and empty circuit information flow is set in network.
Specifically, protecting signal to protect in DC control according to the target control after determining target control protection signal Transmission line in protecting system is protected by way of depth-first traversal or breadth first traversal or other traversals to target control The source direction retrospect for protecting signal, until target control protection signal is at input signal in DC control and protection system, Empty circuit information flow is arranged in retrospect route according to target control protection signal in logic topological network.It should be noted that Target control protection signal is that signal is protected in the control determined from DC control protection signal.In logic topological network It determines the corresponding empty circuit information flow of target control protection signal, has an impact so as to obtain to target control protection signal DC control protection equipment and physical couplings.
S40: physical topology network, logic topological network and empty circuit information flow are shown by visualization device.
Specifically, this step is that the physical topology network that will be obtained, logic topological network and empty circuit information flow are input to Visualization device is shown.The present embodiment without limitation, such as can be LED and show to the concrete type of visualization device Screen, touch display etc..The side of physical topology network, logic topological network and empty circuit information flow is shown by visualization device Method includes that multiple and different topological networks is shown on same visualization device, is also possible to show by multiple visualization devices Variant topological network;And on same visualization device, it can be and show each topology in a manner of tiling or be laminated Network;The present embodiment to this without limitation.
It can be after determining target control protection signal in logic topological network as preferred embodiment On the corresponding empty circuit information flow of target control protection signal is shown in highlighted form, that is, target control is protected The empty circuit information flow of shield signal navigates to the corresponding position in logic topological network, therefore can become apparent from and directly obtain void The relationship of the information of circuit information flow and empty circuit information flow and entire DC control and protection system.
The condition detection method of DC control and protection system provided in this embodiment is shown as pre- by visualization device If data structure be that each DC control protects equipment and each DC control to protect the object of equipment in DC control and protection system Manage the physical topology network of connection relationship setting;According to transmission line of each control protection signal in DC control and protection system The logic topological network of setting, and according to the target control protection signal determined in the void being arranged in logic topological network Circuit information flow.Therefore, operation maintenance personnel can according to physical topology network that visualization device is shown, logic topological network and Empty circuit information flow carries out fault detection to DC control and protection system, to improve the efficiency and safety of O&M service work Property, and improve the reliability of DC control protection equipment.
On the basis of the above embodiments, the present embodiment has done further instruction and optimization to technical solution, specifically, The present embodiment further comprises:
The corresponding signal numerical value of protection signal is controlled by visualization device displaying target.
It, can be more for the ease of operation maintenance personnel since each control protection signal is different in view of in actual operation Relevant information that is convenient, intuitively obtaining target control protection signal in the present embodiment, is determining that target control protects signal Afterwards, the corresponding signal numerical value of target control protection signal is further obtained, the correspondence numerical value is then shown by visualization device, To further promote the usage experience of user.
On the basis of the above embodiments, the present embodiment has done further instruction and optimization to technical solution, specifically, The present embodiment is when determining that signal is protected in target control, and the transmission line according to target control protection signal is in logical topology It is arranged after the information flow of empty circuit in network, further comprises:
Show signal numerical value, the target control protection of target control protection signal in the form of a list by visualization device The equipment letter of the line information of the object transmission route of signal and the target DC control protection equipment in object transmission route Breath.
In the present embodiment, the relevant letter of signal more is protected to target control in order to show by visualization device Breath, be after according to the transmission line of target control protection signal, void circuit information flow be set in logic topological network, into One step obtain target control protection signal signal numerical value, target control protection signal object transmission route line information with And the facility information of the target DC control protection equipment in object transmission route, and be shown in the form of a list.
The present embodiment is further shown the signal numerical value of target control protection signal, target control by way of list The line information of object transmission route of system protection signal and the target DC control in object transmission route protect equipment Facility information can make operation maintenance personnel become apparent from the transmission situation for intuitively obtaining target control protection signal, further be promoted The usage experience of user.
On the basis of the above embodiments, the present embodiment has done further instruction and optimization to technical solution, specifically, Determine target control protection signal method include:
The exception information in DC control and protection system is detected, determines that signal is protected in target control according to exception information.
It should be noted that in actual operation, can be and protected by each control in detection DC control and protection system Signal is protected with the presence or absence of exception, will be determined as that the control of exception information protects signal to protect signal as target control.Determine control System protection signal can be with the presence or absence of abnormal mode and be compared control protection signal with corresponding threshold range, if super Corresponding threshold range out then sets target control protection signal for the corresponding control protection signal;Alternatively, can be inspection Whether the situation of change of observing and controlling system protection signal whithin a period of time meets corresponding preset condition, if being unsatisfactory for corresponding default Condition then sets target control protection signal for the corresponding control protection signal.
In other implementations, determine target control protection signal method can also include:
The operational order for responding user determines that signal is protected in target control according to operational order.
In view of in actual operation, there is the demand detected to the transmission situation of control protection signal, this is tested The target control protection signal of survey is the control protection signal that goes out of the operation maintenance personnel according to selection.Specifically, in user (O&M people Member) input operation instruction by human-computer interaction interface after, by response user operational order, will be corresponding with the operational order Control protection signal is set as target control protection signal.
On the basis of the above embodiments, the present embodiment has done further instruction and optimization to technical solution, specifically, Further comprise:
Store physical topology network and/or logic topological network and/or empty circuit information flow.
It should be noted that in the present embodiment, further to the physical topology network and/or logical topology net got Network and/or empty circuit information flow are stored, and are checked in order to subsequent.More specifically, the present embodiment is to for storing object The concrete type for managing the memory of topological network and/or logic topological network and/or empty circuit information flow without limitation, can have Body is memory bar, hard disk, TF (Trans-flash Card) card and SD (Secure Digital Memory Card) card etc., tool Body is selected according to actual needs.
A kind of embodiment of the condition detection method of DC control and protection system provided by the invention is carried out above Detailed description the present invention also provides a kind of condition checkout gear of DC control and protection system corresponding with this method, is set Standby and computer readable storage medium, due to device, the embodiment of equipment and computer readable storage medium part and method portion The embodiment divided mutually correlates, therefore the embodiment of device, equipment and computer readable storage medium part refers to method portion The description for the embodiment divided, wouldn't repeat here.
Fig. 2 is a kind of structure chart of the condition checkout gear of DC control and protection system provided in an embodiment of the present invention, such as Shown in Fig. 2, a kind of condition checkout gear of DC control and protection system includes:
First setup module 21, for being that each DC control is protected in DC control and protection system according to preset data structure Physics topological network is arranged in the physical couplings for protecting equipment and each DC control protection equipment;
Second setup module 22, for being set according to transmission line of each control protection signal in DC control and protection system Set logic topological network;
Third setup module 23, for protecting signal according to target control when determining that signal is protected in target control Empty circuit information flow is arranged in transmission line in logic topological network;
Display control module 24, for showing that physical topology network, logic topological network and void are returned by visualization device Road information flow.
The condition checkout gear of DC control and protection system provided in an embodiment of the present invention has the protection of above-mentioned DC control The beneficial effect of the condition detection method of system.
Fig. 3 is a kind of structure chart of the condition detecting device of DC control and protection system provided in an embodiment of the present invention, such as Shown in Fig. 3, a kind of condition detecting device of DC control and protection system includes:
Memory 31, for storing computer program;
Processor 32 realizes the condition detection method such as above-mentioned DC control and protection system when for executing computer program The step of.
The condition detecting device of DC control and protection system provided in an embodiment of the present invention has the protection of above-mentioned DC control The beneficial effect of the condition detection method of system.
In order to solve the above technical problems, the present invention also provides a kind of computer readable storage medium, computer-readable storage It is stored with computer program on medium, the shape such as above-mentioned DC control and protection system is realized when computer program is executed by processor The step of state detection method.
Computer readable storage medium provided in an embodiment of the present invention, the state with above-mentioned DC control and protection system are examined The beneficial effect of survey method.
Above to the condition detection method of DC control and protection system provided by the present invention, device, equipment and computer Readable storage medium storing program for executing is described in detail.Specific embodiment used herein carries out the principle of the present invention and embodiment It illustrates, the above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that for For those skilled in the art, without departing from the principle of the present invention, if can also be carried out to the present invention Dry improvement and modification, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration ?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered Think beyond the scope of this invention.

Claims (9)

1. a kind of condition detection method of DC control and protection system characterized by comprising
It is that each DC control protects equipment and each direct current control in DC control and protection system according to preset data structure Physics topological network is arranged in the physical couplings of system protection equipment;
According to transmission line of each control protection signal in the DC control and protection system, logic topological network is set;
When determining that signal is protected in target control, the transmission line according to target control protection signal is opened up in the logic It rushes the net and empty circuit information flow is set in network;
The physical topology network, the logic topological network and the empty circuit information flow are shown by visualization device.
2. the method according to claim 1, wherein further comprising:
Show that the corresponding signal numerical value of signal is protected in the target control by the visualization device.
3. according to the method described in claim 2, it is characterized in that, it is described when determine target control protect signal when, according to After empty circuit information flow is arranged in the logic topological network according to the transmission line of target control protection signal, into one Step includes:
Show that the signal numerical value, described of signal is protected in the target control in the form of a list by the visualization device The line information and the target DC control in the object transmission route that the object transmission route of signal is protected in target control Protect the facility information of equipment.
4. the method according to claim 1, wherein determining the method packet of the target control protection signal It includes:
The exception information in the DC control and protection system is detected, determines that the target control is protected according to the exception information Protect signal.
5. the method according to claim 1, wherein determining the method packet of the target control protection signal It includes:
The operational order for responding user determines that signal is protected in the target control according to the operational order.
6. method according to any one of claims 1 to 5, which is characterized in that further comprise:
Store the physical topology network and/or the logic topological network and/or the empty circuit information flow.
7. a kind of condition checkout gear of DC control and protection system characterized by comprising
First setup module, for being that each DC control protects equipment in DC control and protection system according to preset data structure And physics topological network is arranged in the physical couplings of each DC control protection equipment;
Second setup module, for being arranged according to transmission line of each control protection signal in the DC control and protection system Logic topological network;
Third setup module, for the biography when determining that signal is protected in target control, according to target control protection signal Empty circuit information flow is arranged in defeated route in the logic topological network;
Display control module, for showing the physical topology network, the logic topological network and institute by visualization device State empty circuit information flow.
8. a kind of condition detecting device of DC control and protection system characterized by comprising
Memory, for storing computer program;
Processor realizes that DC control as claimed in any one of claims 1 to 6 such as is protected when for executing the computer program The step of condition detection method of system.
9. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium Program is realized when the computer program is executed by processor such as DC control as claimed in any one of claims 1 to 6 protection system The step of condition detection method of system.
CN201910355409.8A 2019-04-29 2019-04-29 State detection method, device, equipment and medium of direct current control protection system Active CN109980789B (en)

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* Cited by examiner, † Cited by third party
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CN110737660A (en) * 2019-09-24 2020-01-31 南京南瑞继保电气有限公司 data processing method, device and computer readable storage medium
CN113259178A (en) * 2021-06-17 2021-08-13 南方电网科学研究院有限责任公司 Method, device, terminal and medium for generating direct current conversion engineering logic loop

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EP0520117A1 (en) * 1991-06-28 1992-12-30 International Business Machines Corporation Communication controller allowing communication through an X25 network and an SNA network
CN105577428A (en) * 2015-12-14 2016-05-11 南京国电南自电网自动化有限公司 Intelligent substation virtual loop comprehensive monitoring system based on multidimensional information acquisition

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CN110737660A (en) * 2019-09-24 2020-01-31 南京南瑞继保电气有限公司 data processing method, device and computer readable storage medium
CN110737660B (en) * 2019-09-24 2022-09-23 南京南瑞继保电气有限公司 Data processing method and device and computer readable storage medium
CN113259178A (en) * 2021-06-17 2021-08-13 南方电网科学研究院有限责任公司 Method, device, terminal and medium for generating direct current conversion engineering logic loop

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