CN112653079B - Protection fixed value downloading method and device based on template matching - Google Patents
Protection fixed value downloading method and device based on template matching Download PDFInfo
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- CN112653079B CN112653079B CN202011545599.9A CN202011545599A CN112653079B CN 112653079 B CN112653079 B CN 112653079B CN 202011545599 A CN202011545599 A CN 202011545599A CN 112653079 B CN112653079 B CN 112653079B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/006—Calibration or setting of parameters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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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
- H02J13/00036—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 switches, relays or circuit breakers
- H02J13/0004—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 switches, relays or circuit breakers involved in a protection system
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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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Engineering & Computer Science (AREA)
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- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a protection fixed value downloading method and device based on template matching, wherein the downloading method comprises the following steps: establishing a protection constant value parameter table corresponding to the terminal types one by one, wherein the protection constant value parameter table comprises protection constant value parameters, a value range of the protection constant value parameters, the terminal types corresponding to the protection constant value parameters and line serial numbers corresponding to the protection constant value parameters; establishing a terminal line description table, wherein the terminal line description table comprises line serial numbers corresponding to the terminals; forming a protection constant value parameter list corresponding to each terminal according to the terminal type, the protection constant value parameter list and the terminal line description list; and downloading protection constant value parameters to the corresponding terminals according to the protection constant value parameter list. The downloading method provided by the invention achieves the effects of high downloading efficiency and simple operation of relay protection fixed value.
Description
Technical Field
The embodiment of the invention relates to a relay protection technology, in particular to a protection fixed value downloading method and device based on template matching.
Background
In the power system, the relay protection device detects the fault or abnormal condition, so as to send out an alarm signal or directly isolate and cut off the fault part. The protection fixed value is calculated by a relay protection professional in a regulation and control center, and the protection fixed value needs to be adjusted along with the change of the operation mode of the power grid, and the adjustment needs to be carried out on site.
However, with the improvement of the automatic coverage rate of the power distribution network and the continuous adjustment of the power grid mode, the workload of on-site adjustment protection fixed value and fixed value check of relay protection personnel is gradually increased, the number of distribution network terminals is large, the manufacturers of terminal equipment are various, the types are various, and the fixed value parameters supporting modification are different, so that the calculated protection fixed value is difficult to directly download through a distribution network automatic master station, and the master station cannot adapt to the fixed value modification of all distribution network terminals.
Disclosure of Invention
The invention provides a protection fixed value downloading method and device based on template matching, which are used for improving the working efficiency of relay protection fixed value downloading, reducing the operation difficulty and achieving the effects of high relay protection fixed value downloading efficiency and simplicity in operation.
In a first aspect, an embodiment of the present invention provides a method for downloading protection values based on template matching, where the method includes:
establishing a protection constant value parameter table corresponding to the terminal types one by one, wherein the protection constant value parameter table comprises protection constant value parameters, a value range of the protection constant value parameters, the terminal types corresponding to the protection constant value parameters and line serial numbers corresponding to the protection constant value parameters;
establishing a terminal line description table, wherein the terminal line description table comprises line serial numbers corresponding to the terminals;
forming a protection constant value parameter list corresponding to each terminal according to the terminal type, the protection constant value parameter list and the terminal line description list;
and downloading protection constant value parameters to the corresponding terminals according to the protection constant value parameter list.
Optionally, each terminal type corresponds to a protection constant value parameter template; the establishing a protection constant value parameter table corresponding to the terminal type one by one comprises the following steps: establishing a protection constant value parameter table corresponding to the terminal type one by one according to the terminal type, the protection constant value parameter template corresponding to the terminal type and an information body protocol address; wherein each information body protocol address corresponds to a protection fixed value parameter.
Optionally, the forming a protection fixed value parameter list corresponding to each terminal according to the terminal type, the protection fixed value parameter list and the terminal line description list includes: for any terminal, selecting the corresponding protection constant value parameter table according to the terminal type of the terminal; determining a line sequence number according to the terminal line description table; and forming a protection fixed value parameter list corresponding to the terminal according to the matching of the line sequence number and the line sequence number in the protection fixed value parameter list.
Optionally, before the protection fixed value parameter table is built, the method further includes: and establishing a terminal type description information table, wherein the terminal type description information table comprises terminal types.
Optionally, before the terminal type description information table is built, the method further includes: and classifying the terminals in all the power distribution networks according to the protection constant value type and the protocol type of the protection constant value parameter corresponding to the terminals.
Optionally, the terminal corresponds to at least one switch, each switch corresponds to a line, and the lines correspond to the line numbers one by one.
Optionally, downloading protection fixed value parameters to the corresponding terminal according to the protection fixed value parameter list includes:
receiving a selection instruction and a setting instruction input by a user;
generating a downloading instruction according to the selection instruction, the setting instruction and the protection fixed value parameter list;
and downloading protection fixed value parameters to the corresponding lines of the terminal according to the downloading instruction.
Optionally, before the downloading protection fixed value parameter is downloaded to the corresponding line of the terminal according to the downloading instruction, the method further includes:
judging whether the single frame length of the downloading instruction is larger than 255 bytes;
if yes, issuing instructions in frames; if not, issuing an instruction in a single frame.
Optionally, the downloading instruction comprises at least one protection fixed value.
In a second aspect, an embodiment of the present invention further provides a protection setting value downloading device based on template matching, configured to implement the protection setting value downloading method based on template matching provided in the first aspect, where the protection setting value downloading device based on template matching includes: the system comprises a protection fixed value parameter table establishing module, a terminal line description table establishing module, a protection fixed value parameter list forming module and a protection fixed value parameter underfilling module;
the protection constant value parameter table establishing module is used for establishing a protection constant value parameter table corresponding to the terminal types one by one, wherein the protection constant value parameter table comprises protection constant value parameters, a value range of the protection constant value parameters, the terminal types corresponding to the protection constant value parameters and line serial numbers corresponding to the protection constant value parameters;
the terminal line description table establishing module is used for establishing a terminal line description table, wherein the terminal line description table comprises line numbers corresponding to the terminals;
the protection fixed value parameter list forming module is used for forming a protection fixed value parameter list corresponding to each terminal according to the terminal type, the protection fixed value parameter list and the terminal line description list;
and the protection constant value parameter downloading module is used for downloading the protection constant value parameters to the corresponding terminals according to the protection constant value parameter list.
According to the template matching-based protection fixed value downloading method and device, the protection fixed value parameter tables corresponding to the terminal types one by one are established according to the different terminal types, the specific protection fixed value parameters and the value ranges corresponding to the terminal types are recorded in the corresponding protection fixed value parameter tables, then the terminal line description table is established, and the protection fixed value parameter list corresponding to the terminal is obtained only by carrying out data configuration according to the terminal types, the protection fixed value parameter tables and the terminal line description table during downloading, so that the problems of large downloading workload and difficult operation caused by inconsistent definition of the terminal fixed value parameters of different types can be solved, the working efficiency of relay protection fixed value downloading is improved, the operation difficulty is reduced, and the effects of high relay protection fixed value downloading efficiency and simplicity in operation are achieved.
Drawings
FIG. 1 is a flow chart of a method for downloading protection fixed values based on template matching according to an embodiment of the present invention;
FIG. 2 is a flowchart of another method for downloading protection fixed values based on template matching according to an embodiment of the present invention;
FIG. 3 is a flowchart of another method for downloading protection fixed values based on template matching according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a protection fixed value downloading device based on template matching according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the embodiments of the present invention are shown in the drawings and tables.
The embodiment of the invention provides a protection fixed value downloading method based on template matching. The method provided by the embodiment of the invention can be suitable for the condition of relay protection fixed value downloading, the method can be executed by a protection fixed value downloading device based on template matching, and the device can be realized in a hardware and/or software mode. Fig. 1 is a flowchart of a protection fixed value downloading method based on template matching, and referring to fig. 1, the protection fixed value downloading method based on template matching includes:
s110, establishing a protection fixed value parameter table corresponding to the terminal types one by one, wherein the protection fixed value parameter table comprises protection fixed value parameters, a value range of the protection fixed value parameters, the terminal types corresponding to the protection fixed value parameters and line serial numbers corresponding to the protection fixed value parameters;
the table 1 is a protection constant value parameter table provided in this embodiment, referring to table 1, the terminal is a feeder terminal device or an switching station terminal device installed on site in the power system, and is used for transmitting telemetry and remote signaling data to the distribution network main station system; the terminal types are divided according to the protection constant value type and the protocol address of the protection constant value parameter of the terminal, and the terminal types can be current type, voltage type, new version protocol type and intelligent type (wherein, table 1 is exemplified by a protection constant value parameter table corresponding to the new version protocol type); the protection constant value parameter is a constant value parameter which needs to be set for the terminal in the power relay protection; the protection fixed value parameter table is used for describing all line serial numbers in the terminal of each terminal type, protection fixed value parameters corresponding to each line, the value range of the protection fixed value parameters and the protocol address of the protection fixed value parameters, and each terminal type corresponds to one protection fixed value parameter table; the line number is the number of each line in the terminal, and each switch corresponds to one line.
TABLE 1
Specifically, a corresponding protection fixed value parameter table is established for each terminal type, wherein the table comprises serial numbers of all lines in the terminal, corresponding protection fixed value parameters, a value range of the protection fixed value parameters and a protocol address of the protection fixed value parameters, and each line corresponds to a plurality of protection fixed value parameters.
S120, establishing a terminal line description table, wherein the terminal line description table comprises line serial numbers corresponding to terminals;
the table 2 is a terminal line description table provided in this embodiment, referring to table 2, where the terminal line description table is used to describe a sequence number of a line corresponding to each terminal, and each terminal corresponds to one terminal line description table; each terminal includes at least one switch, one for each line.
TABLE 2
S130, forming a protection fixed value parameter list corresponding to each terminal according to the terminal type, the protection fixed value parameter list and the terminal line description list;
the information in the protection fixed value parameter list of a certain terminal is contained in the protection fixed value parameter list of the terminal corresponding to the terminal type; the protection fixed value parameter list comprises protection fixed value parameters corresponding to all lines in the terminal and the value range of the protection fixed value parameters; each terminal to be downloaded corresponds to a protection fixed value parameter list.
Specifically, table 3 is a protection fixed value parameter list provided in this embodiment, referring to table 3, firstly, determining the number of lines through a terminal line description table corresponding to a terminal needing to download protection fixed value parameters, then selecting a corresponding protection fixed value parameter table according to the type of the terminal needing to download protection fixed value parameters, finding out protection fixed value parameters and value ranges of all lines of the terminal in the corresponding protection fixed value parameter table, and forming a protection fixed value parameter list corresponding to the terminal according to a template.
TABLE 3 Table 3
And S140, downloading the protection fixed value parameters to the corresponding terminals according to the protection fixed value parameter list.
Specifically, when relay protection fixed values are required to be downloaded to each terminal, the protection fixed value parameters are downloaded to the terminal according to the line sequence of the protection fixed value parameter list, and data encapsulation is carried out by adopting IEC101/104 protocol in communication.
According to the protection fixed value downloading method based on template matching, the protection fixed value parameter table corresponding to the terminal types one by one is established, the protection fixed value parameter table is used for describing specific protection fixed value parameters and the value taking ranges of the terminals of each type, then the terminal line description table corresponding to the terminals one by one is established, the terminal line description table is used for describing lines contained in the terminals, when the terminals are required to be downloaded, the corresponding protection fixed value parameter table is selected according to the types of the terminals required to be downloaded, then the number of the lines contained in the terminals is determined according to the terminal line description table of the terminals, the protection fixed value parameter table of the terminals is generated according to the protection fixed value parameter table, the number of the lines and the protection fixed value parameter table template, and then downloading data are sent to the terminals.
Optionally, each terminal type corresponds to a protection fixed value parameter template. Fig. 2 is a flowchart of another protection fixed value downloading method based on template matching according to an embodiment of the present invention, referring to fig. 2, the protection fixed value downloading method based on template matching includes:
s210, a protection constant value parameter table corresponding to the terminal type one by one is established according to the terminal type, the protection constant value parameter template corresponding to the terminal type and the information body protocol address.
Wherein, each information body protocol address corresponds to a protection constant value parameter; the protection fixed value parameter template is a table for recording protection fixed value parameters supported by a terminal; the communication data when downloading to the terminal is data-encapsulated according to the IEC101/104 protocol, and when transmitting the protection constant value parameters, an address is required to be allocated to each protection constant value parameter, and the address is the protocol address.
Specifically, the protection fixed value parameters supported by the terminal and the value ranges thereof recorded in the protection fixed value parameter template are recorded in the protection fixed value parameter table according to the sequence of the line serial numbers, and then the information body protocol address corresponding to the protection fixed value parameters is correspondingly recorded in the protection fixed value parameter table to form the protection fixed value parameter table.
S220, a terminal line description table is established, wherein the terminal line description table comprises line serial numbers corresponding to terminals; this step is the same as the step 120 in the above embodiment, and will not be described here again.
S231, selecting a corresponding protection constant value parameter table for any terminal according to the terminal type of the terminal;
specifically, when downloading protection fixed value parameters to a terminal, firstly determining the terminal type of the terminal, and selecting a corresponding protection fixed value parameter table according to the terminal type; the protection fixed value parameter table comprises a protection fixed value parameter, a value range of the protection fixed value parameter, a terminal type corresponding to the protection fixed value parameter and a line serial number corresponding to the protection fixed value parameter, and can also comprise a protocol address of the protection fixed value parameter.
S232, determining a line sequence number according to the terminal line description table;
specifically, the line serial number and the number of lines contained in the terminal are determined according to a terminal line description table corresponding to the terminal to be downloaded.
S233, forming a protection fixed value parameter list corresponding to the terminal according to the line serial number and the matching property of the line serial number in the protection fixed value parameter list.
The matching between the line number and the line number in the protection fixed value parameter table is that the pointer can find the line number corresponding to the terminal and other information related to the line number in the protection fixed value parameter table corresponding to the terminal.
Specifically, the protection fixed value parameters, the value range of the protection fixed value parameters and the protocol address of the protection fixed value parameters of each line of the terminal are found in the protection fixed value parameter list successively according to the sequence of the line serial numbers to form a protection fixed value parameter list; the protection fixed value parameter list comprises a protocol address of the protection fixed value parameter, a line serial number, the protection fixed value parameter and a value range of the protection fixed value parameter.
S240, downloading protection constant value parameters to the corresponding terminals according to the protection constant value parameter list. This step is the same as the step 140 in the above embodiment, and will not be described here again.
According to the protection fixed value downloading method based on template matching, specific protection fixed value parameters and value ranges corresponding to different types of terminals are recorded in the corresponding tables, and data configuration is only needed according to the corresponding tables and the line number of the terminals during downloading, so that the problems that downloading workload is large and operation is difficult due to inconsistent quantity and address of the fixed value parameters of the different types of terminals can be solved, working efficiency of relay protection fixed value downloading is improved, operation difficulty is reduced, and effects of high relay protection fixed value downloading efficiency and simplicity in operation are achieved.
Fig. 3 is a schematic diagram of another method for downloading protection values based on template matching according to an embodiment of the present invention, referring to fig. 3, the method for downloading protection values based on template matching includes:
s300, classifying the terminals in all the power distribution networks according to the protection fixed value parameter types and the protocol types of the protection fixed value parameters corresponding to the terminals.
Specifically, when relay protection fixed values are required to be downloaded to each terminal, all terminals need to be classified in advance according to protection fixed value parameter types and protocol types of protection fixed value parameters corresponding to the terminals, and illustratively, the terminals with the protection fixed value parameter types being current type and the protocol types of the protection fixed value parameters being standard protocols belong to current type, the terminals with the protection fixed value parameter types being voltage type and the protocol types of the protection fixed value parameters being standard protocols belong to voltage type, and the terminals with the protection fixed value parameter types being voltage type or current type and the protocol types of the protection fixed value parameters being new version standard protocols belong to new version protocol type.
S301, a terminal type description information table is established, wherein the terminal type description information table comprises terminal types.
In table 4, referring to table 4, the terminal type description information table is used for describing classification situations of all terminals, where the terminal type description information table includes terminal types.
TABLE 4 Table 4
| Terminal type ID | Terminal type | Protocol type |
| 1 | Current type | Standard protocol |
| 2 | Voltage type | Standard protocol |
| 3 | New edition of protocol | New standard protocol |
| … | … | … |
Specifically, all terminals are classified according to the supported protection constant value type and the protocol type of the protection constant value parameter, and the terminals may be classified into current type, voltage type, new version protocol type and the like, for example; the terminal type description information table can also comprise the protocol type of the protection constant value parameter corresponding to the terminal type besides the terminal type; after the terminal type description information table is established in step S301, it may be further determined whether the terminal type description information table has been created, and if not, the process returns to step S301, and if so, the next step is continued.
S310, establishing a protection fixed value parameter table corresponding to the terminal types one by one, wherein the protection fixed value parameter table comprises protection fixed value parameters, a value range of the protection fixed value parameters, the terminal types corresponding to the protection fixed value parameters and line serial numbers corresponding to the protection fixed value parameters; after the protection constant parameter table is established in step S310, it may be further determined whether the protection constant parameter table has been established, and if not, the process returns to step S310, and if yes, the next step is continued.
S320, establishing a terminal line description table, wherein the terminal line description table comprises line serial numbers corresponding to terminals; after the terminal line description table is established in step S320, it may be further determined whether the terminal line description table has been created, and if not, the process returns to step S320, and if so, the next step is continued.
S330, forming a protection fixed value parameter list corresponding to each terminal according to the terminal type, the protection fixed value parameter list and the terminal line description list;
the three steps S310, S320 and S330 are the same as the steps S110, S120 and S130 in the above embodiment, and are not described herein.
S341, receiving a selection instruction and a setting instruction input by a user;
the selection instruction is used for selecting a protection fixed value parameter row to be downloaded in the protection fixed value parameter list; the setting instruction is the numerical value of the protection fixed value parameter determined by the user according to the value range of the protection fixed value parameter in the protection fixed value parameter list.
Specifically, the user may send a selection instruction and a setting instruction according to needs, so as to select a protection fixed value parameter row that needs to be downloaded in the protection fixed value parameter list and determine a numerical value of the protection fixed value parameter that needs to be downloaded.
S342, generating a downloading instruction according to the selection instruction, the setting instruction and the protection fixed value parameter list;
specifically, a protection fixed value parameter row needing to be downloaded at this time in a protection fixed value parameter list is selected according to a selection instruction input by a user, a specific numerical value of the protection fixed value parameter needing to be downloaded at this time is determined according to a setting instruction input by the user, data encapsulation is performed according to an IEC101/104 protocol, and a downloading instruction is generated.
S343, judging whether the single frame length of the downloading instruction is larger than 255 bytes;
specifically, since the protection fixed value parameters of each switch are more, a plurality of fixed values need to be selected when the protection fixed value parameters are downloaded, which may result in a longer framing length, but the IEC101/104 protocol allows the length of each frame of data to be not more than 255 bytes, so that it is necessary to determine whether the single frame length of the downloading instruction is 255 bytes before downloading.
S344, if yes, issuing instructions in frames;
specifically, when the length of the data frame exceeds 255 bytes, a multi-frame mark is sent first during front-end service communication, then the protection fixed value parameter which needs to be downloaded is sent in a framing mode, and then automatic calculation and unified display are carried out during terminal protocol framing.
S345, if not, issuing an instruction in a single frame. S346, the protection fixed value parameters are downloaded to the corresponding lines of the terminals according to the downloading instructions.
Specifically, since the protection fixed value parameters of each switch are more, a plurality of fixed values are required to be selected when the protection fixed value parameters are assembled, the framing length is possibly longer, but the IEC101/104 protocol allows the length of each frame of data to be not more than 255 bytes, a multi-frame mark is firstly sent when the length of the data frame exceeds 255 bytes, then the protection fixed value parameters which are required to be assembled are sent in frames, and then automatic calculation and unified display are carried out when the terminal protocol framing.
Optionally, the terminal corresponds to at least one switch, each switch corresponds to a line, and the lines correspond to the line numbers one by one.
Optionally, the downloading instruction comprises at least one protection fixed value.
According to the protection fixed value downloading method based on template matching, specific protection fixed value parameters and value ranges corresponding to different types of terminals are recorded in the corresponding tables, data configuration is only needed during downloading according to the corresponding tables and the line number of the terminals, a plurality of fixed values can be downloaded once, the problems that downloading workload is large and operation is difficult due to the fact that the fixed value parameters of the different types of terminals are inconsistent in number and address can be solved, working efficiency of relay protection fixed value downloading is improved, operation difficulty is reduced, and the effects of high relay protection fixed value downloading efficiency and simplicity in operation are achieved.
The embodiment of the invention also provides a protection fixed value downloading device based on template matching, fig. 4 is a schematic diagram of the protection fixed value downloading device based on template matching provided by the embodiment of the invention, referring to fig. 4, the protection fixed value downloading device 400 based on template matching is used for implementing any protection fixed value downloading method based on template matching provided by the embodiment, and the device comprises: a protection fixed value parameter table establishing module 401, a terminal line description table establishing module 402, a protection fixed value parameter list forming module 403 and a protection fixed value parameter underfilling module 404;
the protection fixed value parameter table establishing module 401 is configured to establish a protection fixed value parameter table corresponding to the terminal types one by one, where the protection fixed value parameter table includes a protection fixed value parameter, a value range of the protection fixed value parameter, a terminal type corresponding to the protection fixed value parameter, and a line number corresponding to the protection fixed value parameter;
the terminal line description table establishing module 402 is configured to establish a terminal line description table, where the terminal line description table includes a line number corresponding to a terminal;
the protection constant value parameter list forming module 403 is configured to form a protection constant value parameter list corresponding to each terminal according to the terminal type, the protection constant value parameter list and the terminal line description list;
the protection fixed value parameter downloading module 404 is configured to download the protection fixed value parameter to the corresponding terminal according to the protection fixed value parameter list.
According to the protection fixed value downloading device based on template matching, specific protection fixed value parameters and value ranges corresponding to different types of terminals are recorded in the corresponding tables, data configuration is only needed during downloading according to the corresponding tables and the line number of the terminals, a plurality of fixed values can be downloaded once, the problems that downloading workload is large and operation is difficult due to inconsistent quantity and address of the fixed value parameters of the different types of terminals can be solved, working efficiency of relay protection fixed value downloading is improved, operation difficulty is reduced, and the effects of high relay protection fixed value downloading efficiency and simplicity in operation are achieved.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (9)
1. The template matching-based protection fixed value downloading method is characterized by comprising the following steps of:
establishing a protection constant value parameter table corresponding to the terminal types one by one, wherein the protection constant value parameter table comprises protection constant value parameters, a value range of the protection constant value parameters, the terminal types corresponding to the protection constant value parameters and line serial numbers corresponding to the protection constant value parameters;
the line serial number is the serial number of each line in the terminal, and each switch corresponds to one line;
establishing a terminal line description table, wherein the terminal line description table comprises line serial numbers corresponding to the terminals;
forming a protection constant value parameter list corresponding to each terminal according to the terminal type, the protection constant value parameter list and the terminal line description list;
downloading protection fixed value parameters to the corresponding terminals according to the protection fixed value parameter list;
establishing a protection constant value parameter table corresponding to the terminal type one by one according to the terminal type, the protection constant value parameter template corresponding to the terminal type and an information body protocol address;
wherein each information body protocol address corresponds to a protection constant value parameter;
the protection fixed value parameter list comprises: for any terminal, selecting the corresponding protection constant value parameter table according to the terminal type of the terminal; determining a line sequence number according to the terminal line description table; and forming a protection fixed value parameter list corresponding to the terminal according to the matching of the line sequence number and the line sequence number in the protection fixed value parameter list.
2. The method for downloading protection constant values based on template matching according to claim 1, wherein the forming a protection constant value parameter list corresponding to each terminal according to the terminal type, the protection constant value parameter list and the terminal line description list includes:
for any terminal, selecting the corresponding protection constant value parameter table according to the terminal type of the terminal; determining a line sequence number according to the terminal line description table; and forming a protection fixed value parameter list corresponding to the terminal according to the matching of the line sequence number and the line sequence number in the protection fixed value parameter list.
3. The template matching-based protection value downloading method as set forth in claim 1, further comprising, before the creating the protection value parameter table:
and establishing a terminal type description information table, wherein the terminal type description information table comprises terminal types.
4. The template matching-based protection value downloading method as set forth in claim 3, further comprising, before establishing the terminal type description information table:
and classifying the terminals in all the power distribution networks according to the protection constant value type and the protocol type of the protection constant value parameter corresponding to the terminals.
5. The template matching-based protection value downloading method according to claim 1, wherein the terminal corresponds to at least one switch, each switch corresponds to a line, and the lines correspond to the line numbers one by one.
6. The method for downloading protection fixed value based on template matching according to claim 1, wherein downloading protection fixed value parameters to the corresponding terminal according to the protection fixed value parameter list comprises:
receiving a selection instruction and a setting instruction input by a user;
generating a downloading instruction according to the selection instruction, the setting instruction and the protection fixed value parameter list;
and downloading protection fixed value parameters to the corresponding lines of the terminal according to the downloading instruction.
7. The method for downloading protection fixed values based on template matching according to claim 6, wherein before downloading protection fixed value parameters to the corresponding line of the terminal according to the downloading instruction, the method further comprises:
judging whether the single frame length of the downloading instruction is larger than 255 bytes;
if yes, issuing instructions in frames; if not, issuing an instruction in a single frame.
8. The template matching based guard value downloading method as claimed in claim 6, wherein the downloading instruction includes at least one guard value.
9. A template matching-based protection fixed value downloading device, which is used for realizing the template matching-based protection fixed value downloading method according to any one of claims 1-8, and the template matching-based protection fixed value downloading device comprises:
the system comprises a protection fixed value parameter table establishing module, a protection fixed value parameter table establishing module and a protection fixed value parameter table establishing module, wherein the protection fixed value parameter table is used for establishing a protection fixed value parameter table corresponding to terminal types one by one and comprises protection fixed value parameters, a value range of the protection fixed value parameters, the terminal types corresponding to the protection fixed value parameters and line serial numbers corresponding to the protection fixed value parameters;
the terminal line description table establishing module is used for establishing a terminal line description table, wherein the terminal line description table comprises line numbers corresponding to the terminals;
the protection fixed value parameter list forming module is used for forming a protection fixed value parameter list corresponding to each terminal according to the terminal type, the protection fixed value parameter list and the terminal line description list;
and the protection constant value parameter downloading module is used for downloading the protection constant value parameters to the corresponding terminals according to the protection constant value parameter list.
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| JP6470110B2 (en) * | 2015-05-27 | 2019-02-13 | 株式会社東芝 | System protection control system |
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| CN111049113B (en) * | 2020-01-03 | 2022-03-22 | 国网上海市电力公司 | 35KV power distribution network constant value self-adaptive setting method based on centralized master station architecture |
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