CN110633268B - Configuration system and configuration method for relay protection level difference of automatic switch of distribution line - Google Patents
Configuration system and configuration method for relay protection level difference of automatic switch of distribution line Download PDFInfo
- Publication number
- CN110633268B CN110633268B CN201910953025.6A CN201910953025A CN110633268B CN 110633268 B CN110633268 B CN 110633268B CN 201910953025 A CN201910953025 A CN 201910953025A CN 110633268 B CN110633268 B CN 110633268B
- Authority
- CN
- China
- Prior art keywords
- line
- automatic
- circuit breaker
- switch
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000004458 analytical method Methods 0.000 claims description 96
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000011144 upstream manufacturing Methods 0.000 claims description 23
- 238000007405 data analysis Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 230000035772 mutation Effects 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000007726 management method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010937 topological data analysis Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/26—Visual data mining; Browsing structured data
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06393—Score-carding, benchmarking or key performance indicator [KPI] analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- Economics (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Strategic Management (AREA)
- Tourism & Hospitality (AREA)
- Development Economics (AREA)
- General Engineering & Computer Science (AREA)
- Marketing (AREA)
- Data Mining & Analysis (AREA)
- General Business, Economics & Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Educational Administration (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Operations Research (AREA)
- Game Theory and Decision Science (AREA)
- Quality & Reliability (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a configuration system and a configuration method for a relay protection level difference of an automatic switch of a distribution line, which can scientifically configure the automatic switch of a huge distribution network, and the scientific configuration of the level difference can be beneficial to finding out faults and isolating the faults when the distribution network line fails, provide powerful support for quick power restoration of users and improvement of power supply reliability, and promote the intelligent development of the distribution network. Different technologies and management methods are respectively formulated, which is beneficial to the fine management.
Description
Technical Field
The invention relates to the field of power system management, in particular to a configuration system and a configuration method for a relay protection level difference of an automatic switch of a distribution line.
Background
The distribution network equipment has multiple points and wide range, and the equipment has large scale, and the distribution network line switches have large quantity and scale, multiple types, wide distribution quantity and different types. When the distribution network line fails, the protection action of the distribution network line switch is favorable for finding out the fault and isolating the fault, the power failure range of a user is ensured to be minimum, and the power supply of the user in a non-fault section is recovered.
Aiming at the situation of level difference protection configuration of the conventional distribution network automatic switch, each 10kV line is configured only by manpower according to manual experience, the level difference of the distribution network line automatic switch is configured and also judged by manpower, the whole line is not considered, the configuration method of each person is not uniform, is not standard and has low efficiency, and thus, the level difference configuration of a plurality of distribution network line switches is unreasonable. Therefore, there is a need for a method or system for automatically and intelligently configuring a configuration automation switch level difference for a line.
Disclosure of Invention
The invention provides a high-accuracy configuration system and a high-accuracy configuration method for relay protection level differences of automatic switches of a power distribution line.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
an intelligent configuration system for a distribution line automatic switch relay protection level difference comprises: the system comprises a circuit topology analysis module, an automatic switch analysis module, a circuit 0 second-level circuit breaker intelligent selection module, a circuit 150 millisecond-level circuit breaker intelligent selection module and a result output module;
the circuit topology analysis module is connected with the input end of the automatic switch analysis module, the output end of the automatic switch analysis module is connected with the input end of the circuit 0 second-level circuit breaker intelligent selection module, and the output end of the circuit 0 second-level circuit breaker intelligent selection module is connected with the input end of the circuit 150 millisecond-level circuit breaker intelligent selection module; the output end of the intelligent selection module of the circuit breaker with 150 milliseconds is connected with the result output module;
the data acquisition module is connected with the input end of the data analysis module, and the output end of the data analysis module is connected with the input end of the automatic switch analysis module;
a data acquisition module: the production operation data ledger information is mainly extracted, including: the name of a distribution network line, the name of an affiliated power substation, an affiliated bus, the number of line users, a line distribution variable and key field information of the distribution variable including the number of low-voltage users are obtained;
a data analysis module: generating row data by taking a line ID as a main field of key information of data acquisition, and removing abnormal data such as non-validity and mutation;
a line topology analysis module: the method mainly comprises the steps of carrying out graph-mode analysis on a distribution network single line diagram in a production system, then carrying out digital-to-analog conversion to realize digitalization of a graphic field, generating a topological structure of each distribution network line, and dividing the line into an upstream switch and a downstream switch according to logic;
an automated switch analysis module: the intelligent analysis is carried out on the data output by the data analysis module and the upstream and downstream switches and topology conditions output by the line topology analysis module, and the automatic switches, the names of the upstream and downstream switches of the automatic switches, the number of users in the automatic switch interval and the configuration variables of each distribution network line are intelligently diagnosed;
intelligent selection module of circuit breaker of 0 second level: the method comprises the steps that the intelligent analysis is carried out on the switch intelligently analyzed by an automatic switch analysis module, the step configuration is carried out according to a topological structure and automatic switch step setting logic, the automatic circuit breaker meeting logic conditions is set to be a 0-second-level circuit breaker, and the configuration of a protection constant value is allowed;
intelligent selection module of circuit breaker in 150 milliseconds of line: marking the circuit breakers which are already set to be 0 second level, configuring the level difference of the rest automatic circuit breakers according to a topological structure and automatic switch level difference setting logic, setting the automatic circuit breakers which meet 150 millimeter level selected logic conditions to be 150 millisecond level circuit breakers, and allowing the automatic circuit breakers to be configured with protection fixed values;
a result output module: the analysis result is mainly output, and an analysis report of the distribution network line automatic switch relay protection level difference is generated.
A configuration method of an intelligent configuration system of an automatic switch relay protection level difference of a distribution line comprises the following steps:
s1: the method comprises the steps of obtaining production machine account information, obtaining key fields related to automatic switch level difference configuration in the machine accounts, and forming a row database by taking a distribution network line as a unit;
s2: extracting a distribution network single line graph file, realizing graph-mode conversion, analyzing a line topological structure, and forming a line database by taking a distribution network line as a unit;
s3: analyzing the number of users and distribution variables of each line automation switch and the interval thereof according to the database formed by S1 and S2;
s4: according to the output result of the automatic circuit breaker by the S3, intelligently configuring a circuit 0 second-level circuit breaker according to the selected logic and marking the circuit 0 second-level circuit breaker;
s5: carrying out intelligent analysis on the automatic circuit breaker which is not marked in the S4, intelligently configuring a 150 mm-level circuit breaker according to the selected logic, and marking the circuit breaker;
s6: and (5) sorting the output results of the S4 and the S5 to generate a distribution network line automatic switch relay protection level difference configuration analysis report.
Further, the specific process of step S1 is:
extracting production operation data ledger information, including: and generating line data by taking the line ID as a main field of the key field information, and rejecting non-validity and mutation abnormal data.
Further, the specific process of step S2 is:
the method comprises the steps of carrying out graph-mode analysis on a distribution network single line diagram in a production system, then carrying out digital-to-analog conversion to realize digitalization of a graphic field, generating a topological structure of each distribution network line, and dividing the line into an upstream switch and a downstream switch according to logic.
Further, the specific process of step S3 is:
and intelligently analyzing the data output by the data analysis module, the upstream and downstream switches and the topology conditions output by the line topology analysis module, and intelligently diagnosing the automatic switches of all distribution network lines, the names of the upstream and downstream switches of the automatic switches, the number of users in the automatic switch interval and the distribution quantity.
Further, the specific process of step S4 is:
according to the result output by the S3, performing intelligent analysis on all the automatic circuit breakers output by the S3, configuring a circuit breaker with a 0 second level according to logic, and automatically marking the circuit breaker with the 0 second level, wherein the logic is as follows:
1) other automatic circuit breakers do not exist in the circuit at the rear end of the circuit breaker;
2) and the automatic circuit breaker is arranged at the contact position of a power supply line at the rear end of the automatic circuit breaker.
Further, the specific process of step S5 is:
carrying out intelligent analysis on the automatic circuit breaker which is not marked in S4, intelligently configuring a 150 mm-scale circuit breaker according to selected logic, and marking the circuit breaker, wherein the logic is as follows:
automatic selection of a main line breaker:
1) all main line analysis, starting from the very end of the main line;
2) only 0 second-level circuit breakers exist in the main line, and 150 millisecond-level circuit breakers do not need to be selected;
3) except for the 0 second-level circuit breaker, only one automatic circuit breaker exists, and the automatic circuit breaker is defined as a 150 millimeter-level circuit breaker;
4) except for 0 second-level circuit breakers, two or more automatic circuit breakers exist, and one automatic circuit breaker with the number of rear-section power supply users closest to half of a bus line is selected from the main line automatic circuit breakers and is set as a 150-millimeter-level circuit breaker;
automatic selection of branch line circuit breakers:
1) analyzing all branch lines, namely analyzing a large branch and then analyzing a small branch under the large branch;
2) the branch line only has a 0-second-level breaker, and a 150-millisecond-level breaker is not required to be selected;
3) besides the 0 second class breaker, there is only one automatic breaker: a 150-millisecond circuit breaker does not exist in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, and the automatic circuit breaker is defined as the 150-millisecond circuit breaker; if a 150-millisecond circuit breaker exists in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, the 150-millisecond circuit breaker does not need to be selected;
4) in addition to 0 second class circuit breakers, there are two or more automated circuit breakers: a 150 millisecond-level circuit breaker does not exist in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, and a first automatic circuit breaker of the branch line is defined as the 150 millisecond-level circuit breaker; if a 150 millisecond breaker exists in a power supply path from a substation outgoing switch to a first automatic breaker of the branch line, the 150 millisecond breaker does not need to be selected.
Further, the specific process of step S6 is:
and outputting the analysis results of S4 and S5 to generate a distribution network line automatic switch relay protection level difference configuration analysis report, wherein the report content comprises the distribution network line automatic switch needing to be configured for 150 milliseconds and 0 second, the sectional user number of the switch interval and the configuration variable.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the whole process of the invention depends on system logic and machine intelligent analysis, no manual work is needed to participate in any flow, a large amount of manpower and material resources are saved, the characteristics of high accuracy, unified standard, high efficiency and the like exist, the configuration of the distribution network level difference is transited from the original time-consuming and labor-consuming setting depending on professionals to the automatic completion by the system, the manual work only needs simple rechecking, the comprehensive consideration can be carried out on the whole distribution network line, and the scientificity is stronger.
The method can carry out scientific configuration on the automatic switch of the huge distribution network, the scientific configuration of the level difference can be beneficial to finding out faults and isolating the faults when the distribution network line has faults, powerful support is provided for quick power restoration of users and improvement of power supply reliability, and the intelligent development of the distribution network is promoted. Different technologies and management methods are respectively formulated, which is beneficial to the fine management.
Drawings
FIG. 1 is a schematic diagram of an intelligent configuration system for distribution network line automation switch relay protection level differences;
FIG. 2 is a flow chart of an intelligent configuration method for distribution network line automation switch relay protection level differences;
fig. 3 is a flowchart of an intelligent configuration implementation process of a distribution network line automation switch relay protection level difference.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
An intelligent configuration system for a distribution line automatic switch relay protection level difference comprises: the system comprises a circuit topology analysis module, an automatic switch analysis module, a circuit 0 second-level circuit breaker intelligent selection module, a circuit 150 millisecond-level circuit breaker intelligent selection module and a result output module;
the circuit topology analysis module is connected with the input end of the automatic switch analysis module, the output end of the automatic switch analysis module is connected with the input end of the circuit 0 second-level circuit breaker intelligent selection module, and the output end of the circuit 0 second-level circuit breaker intelligent selection module is connected with the input end of the circuit 150 millisecond-level circuit breaker intelligent selection module; the output end of the intelligent selection module of the circuit breaker with 150 milliseconds is connected with the result output module;
the data acquisition module is connected with the input end of the data analysis module, and the output end of the data analysis module is connected with the input end of the automatic switch analysis module;
a data acquisition module: the production operation data ledger information is mainly extracted, including: the name of a distribution network line, the name of an affiliated power substation, an affiliated bus, the number of line users, a line distribution variable and key field information of the distribution variable including the number of low-voltage users are obtained;
a data analysis module: generating row data by taking a line ID as a main field of key information of data acquisition, and removing abnormal data such as non-validity and mutation;
a line topology analysis module: the method mainly comprises the steps of carrying out graph-mode analysis on a distribution network single line diagram in a production system, then carrying out digital-to-analog conversion to realize digitalization of a graphic field, generating a topological structure of each distribution network line, and dividing the line into an upstream switch and a downstream switch according to logic;
an automated switch analysis module: the intelligent analysis is carried out on the data output by the data analysis module and the upstream and downstream switches and topology conditions output by the line topology analysis module, and the automatic switches, the names of the upstream and downstream switches of the automatic switches, the number of users in the automatic switch interval and the configuration variables of each distribution network line are intelligently diagnosed;
intelligent selection module of circuit breaker of 0 second level: the method comprises the steps that the intelligent analysis is carried out on the switch intelligently analyzed by an automatic switch analysis module, the step configuration is carried out according to a topological structure and automatic switch step setting logic, the automatic circuit breaker meeting logic conditions is set to be a 0-second-level circuit breaker, and the configuration of a protection constant value is allowed;
intelligent selection module of circuit breaker in 150 milliseconds of line: marking the circuit breakers which are already set to be 0 second level, configuring the level difference of the rest automatic circuit breakers according to a topological structure and automatic switch level difference setting logic, setting the automatic circuit breakers which meet 150 millimeter level selected logic conditions to be 150 millisecond level circuit breakers, and allowing the automatic circuit breakers to be configured with protection fixed values;
a result output module: the analysis result is mainly output, and an analysis report of the distribution network line automatic switch relay protection level difference is generated.
A configuration method of an intelligent configuration system of an automatic switch relay protection level difference of a distribution line comprises the following steps:
s1: the method comprises the steps of obtaining production machine account information, obtaining key fields related to automatic switch level difference configuration in the machine accounts, and forming a row database by taking a distribution network line as a unit;
s2: extracting a distribution network single line graph file, realizing graph-mode conversion, analyzing a line topological structure, and forming a line database by taking a distribution network line as a unit;
s3: analyzing the number of users and distribution variables of each line automation switch and the interval thereof according to the database formed by S1 and S2;
s4: according to the output result of the automatic circuit breaker by the S3, intelligently configuring a circuit 0 second-level circuit breaker according to the selected logic and marking the circuit 0 second-level circuit breaker;
s5: carrying out intelligent analysis on the automatic circuit breaker which is not marked in the S4, intelligently configuring a 150 mm-level circuit breaker according to the selected logic, and marking the circuit breaker;
s6: and (5) sorting the output results of the S4 and the S5 to generate a distribution network line automatic switch relay protection level difference configuration analysis report.
The specific process of step S1 is:
extracting production operation data ledger information, including: and generating line data by taking the line ID as a main field of the key field information, and rejecting non-validity and mutation abnormal data.
The specific process of step S2 is:
the method comprises the steps of carrying out graph-mode analysis on a distribution network single line diagram in a production system, then carrying out digital-to-analog conversion to realize digitalization of a graphic field, generating a topological structure of each distribution network line, and dividing the line into an upstream switch and a downstream switch according to logic.
The specific process of step S3 is:
and intelligently analyzing the data output by the data analysis module, the upstream and downstream switches and the topology conditions output by the line topology analysis module, and intelligently diagnosing the automatic switches of all distribution network lines, the names of the upstream and downstream switches of the automatic switches, the number of users in the automatic switch interval and the distribution quantity.
The specific process of step S4 is:
according to the result output by the S3, performing intelligent analysis on all the automatic circuit breakers output by the S3, configuring a circuit breaker with a 0 second level according to logic, and automatically marking the circuit breaker with the 0 second level, wherein the logic is as follows:
1) other automatic circuit breakers do not exist in the circuit at the rear end of the circuit breaker;
2) and the automatic circuit breaker is arranged at the contact position of a power supply line at the rear end of the automatic circuit breaker.
Further, the specific process of step S5 is:
carrying out intelligent analysis on the automatic circuit breaker which is not marked in S4, intelligently configuring a 150 mm-scale circuit breaker according to selected logic, and marking the circuit breaker, wherein the logic is as follows:
automatic selection of a main line breaker:
1) all main line analysis, starting from the very end of the main line;
2) only 0 second-level circuit breakers exist in the main line, and 150 millisecond-level circuit breakers do not need to be selected;
3) except for the 0 second-level circuit breaker, only one automatic circuit breaker exists, and the automatic circuit breaker is defined as a 150 millimeter-level circuit breaker;
4) except for 0 second-level circuit breakers, two or more automatic circuit breakers exist, and one automatic circuit breaker with the number of rear-section power supply users closest to half of a bus line is selected from the main line automatic circuit breakers and is set as a 150-millimeter-level circuit breaker;
automatic selection of branch line circuit breakers:
1) analyzing all branch lines, namely analyzing a large branch and then analyzing a small branch under the large branch;
2) the branch line only has a 0-second-level breaker, and a 150-millisecond-level breaker is not required to be selected;
3) besides the 0 second class breaker, there is only one automatic breaker: a 150-millisecond circuit breaker does not exist in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, and the automatic circuit breaker is defined as the 150-millisecond circuit breaker; if a 150-millisecond circuit breaker exists in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, the 150-millisecond circuit breaker does not need to be selected;
4) in addition to 0 second class circuit breakers, there are two or more automated circuit breakers: a 150 millisecond-level circuit breaker does not exist in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, and a first automatic circuit breaker of the branch line is defined as the 150 millisecond-level circuit breaker; if a 150 millisecond breaker exists in a power supply path from a substation outgoing switch to a first automatic breaker of the branch line, the 150 millisecond breaker does not need to be selected.
The specific process of step S6 is:
and outputting the analysis results of S4 and S5 to generate a distribution network line automatic switch relay protection level difference configuration analysis report, wherein the report content comprises the distribution network line automatic switch needing to be configured for 150 milliseconds and 0 second, the sectional user number of the switch interval and the configuration variable.
Example 2
As shown in fig. 1, the system includes: the system comprises a data acquisition module, a data analysis module, a line topology analysis module, an automatic switch analysis module, a line 0 second-level circuit breaker intelligent selection module, a line 150 millisecond-level circuit breaker intelligent selection module and a result output module;
a data acquisition module: the production operation data ledger information is mainly extracted, including: the name of a distribution network line, the name of an affiliated power substation, an affiliated bus, the number of line users, a line distribution variable and key field information of the distribution variable including the number of low-voltage users are obtained;
a data analysis module: generating row data by taking a line ID as a main field of key information of data acquisition, and removing abnormal data such as non-validity and mutation;
a line topology analysis module: the method mainly comprises the steps of carrying out graph-mode analysis on a distribution network single line diagram in a production system, then carrying out digital-to-analog conversion to realize digitalization of a graphic field, generating a topological structure of each distribution network line, and dividing the line into an upstream switch and a downstream switch according to logic;
an automated switch analysis module: the intelligent analysis is mainly carried out on the data output by the data analysis module, the upstream and downstream switches and the topology conditions output by the circuit topology analysis module, and the automatic switches, the names of the upstream and downstream switches of the automatic switches, the number of users in the automatic switch interval and the distribution variables of each distribution network circuit are intelligently diagnosed.
Intelligent selection module of circuit breaker of 0 second level: the intelligent analysis is carried out on the switch intelligently analyzed by the automatic switch analysis module, the level difference configuration is carried out according to the topological structure and the automatic switch level difference setting logic, the automatic circuit breaker meeting the logic condition is set as a 0-second-level circuit breaker, and the configuration protection constant value is allowed.
Intelligent selection module of circuit breaker in 150 milliseconds of line: the method mainly comprises the steps of marking the circuit breakers which are already set to be 0 second level, configuring the level difference of the rest automatic circuit breakers according to a topological structure and automatic switch level difference setting logic, setting the automatic circuit breakers which accord with 150 millimeter level selected logic conditions to be 150 millisecond level circuit breakers, and allowing the automatic circuit breakers to be configured with protection fixed values.
A result output module: the analysis result is mainly output, and an analysis report of the distribution network line automatic switch relay protection level difference is generated.
As shown in fig. 2, the working method and process principle are as follows:
through obtaining 1 production standing book information, analyzing and obtaining 2 key fields configured with the level difference of the automatic switches from massive production standing book information, and intelligently obtaining related data of the automatic switches and the like in the field of the distribution network line; meanwhile, extracting a distribution network single line graph file 3, performing graph-model conversion 4 on the distribution network single line graph file, converting the graph file into field data, performing line topology analysis 5, intelligently identifying the subordination relations between upstream and downstream switches and each line section, summarizing the result of the topology analysis 5 and the result of obtaining key field analysis 2, performing automatic switch integration analysis 6, intelligently identifying the number of distribution network line automatic switches and sections thereof and distribution variables, transmitting the analysis result to a line 0 second-level circuit breaker intelligent selection module 7 for intelligent analysis, intelligently configuring a 0 second-level automatic circuit breaker for marking, outputting unmarked automatic circuit breakers to a line 150 millisecond-level circuit breaker intelligent selection module 8, intelligently configuring 150 millisecond-level automatic circuit breakers, outputting the result, and producing a distribution network line automatic switch relay protection level difference configuration report 9, the report content includes the distribution network line to be configured with 150 ms and 0 s-level automatic switch, the number of users in the switch interval and the configuration number.
As shown in fig. 3, the specific implementation process of the intelligent configuration method for the relay protection level difference of the distribution network line automatic switch is as follows:
s1: and starting the intelligent configuration method of the distribution network line automatic switch relay protection level difference, and simultaneously entering S2 and S4.
S2: production ledger information acquisition 10 acquires production ledger data information, including distribution network lines, belonging substations, belonging buses, line user numbers, line distribution variables and distribution variables including low-voltage user numbers, automatic switch types, switch models and the like, and proceeds to S3.
S3: extracting key fields related to automatic switch level difference configuration according to the production standing book information acquired in S2, analyzing and acquiring 11, generating line data by taking line ID as a main field of the key information acquired by the data, removing abnormal data such as non-validity and mutation, and entering S7;
s4: extracting a distribution network single line diagram file 12, acquiring the distribution network single line diagram file of the production system to a local database, classifying according to the line name, and entering S5;
s5: carrying out graph-mode analysis on the distribution network single line diagram, then carrying out digital-to-analog conversion 13 to realize the digitalization of the graph field, automatically dividing the graph field into each row of data according to the name of the distribution network line, and entering S6;
s6: analyzing the topological structure of each distribution network line 14, dividing the line into an upstream switch and a downstream switch according to logic, intelligently identifying the number of distribution network line automation switches and the number of section users and distribution variables thereof, generating a related topological analysis result by taking the line as line data, and entering S7;
s7: carrying out intelligent matching on the key field analysis acquisition 11 result and the line topology analysis 14 result by taking the line ID and the line name as fields, and automatically analyzing and diagnosing effective data; if the matching fails, go to S8; if the matching is successful, go to S9;
s8: classifying the unsuccessfully matched data as error data without being included in the analysis 16;
s9: carrying out intelligent selection 17 on the circuit breakers of 0 second level according to logic on the successfully matched data, carrying out intelligent analysis on the switches intelligently analyzed by the automatic switch analysis module, carrying out level difference configuration according to the topological structure and the automatic switch level difference setting logic, setting the automatic circuit breakers meeting the logic conditions as the circuit breakers of 0 second level, allowing the circuit breakers to be configured with protection fixed values and marking the circuit breakers, and entering S10;
s10: and (4) performing intelligent circuit breaker selection 18 configuration on the unmarked automatic circuit breakers according to the topological structure and the automatic switch level difference setting logic, setting the automatic circuit breakers meeting the 150-millimeter-level selection logic conditions as 150-millisecond-level circuit breakers, allowing the automatic circuit breakers to be configured and protected to be constant, and entering S11.
S11: outputting an intelligent analysis result, and generating a distribution network line automatic switch relay protection level difference configuration analysis report 19, wherein the report content comprises: the distribution network line needs to be configured with 150 millisecond and 0 second level automatic switches, the number of sectional users in the switch interval, the distribution quantity and the like.
The same or similar reference numerals correspond to the same or similar parts;
the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides an intelligent configuration system of distribution lines automation switch relay protection difference of grade which characterized in that includes: the system comprises a circuit topology analysis module, an automatic switch analysis module, a circuit 0 second-level circuit breaker intelligent selection module, a circuit 150 millisecond-level circuit breaker intelligent selection module and a result output module;
the circuit topology analysis module is connected with the input end of the automatic switch analysis module, the output end of the automatic switch analysis module is connected with the input end of the circuit 0 second-level circuit breaker intelligent selection module, and the output end of the circuit 0 second-level circuit breaker intelligent selection module is connected with the input end of the circuit 150 millisecond-level circuit breaker intelligent selection module; the output end of the intelligent selection module of the circuit breaker with 150 milliseconds is connected with the result output module;
the data acquisition module is connected with the input end of the data analysis module, and the output end of the data analysis module is connected with the input end of the automatic switch analysis module;
a data acquisition module: the production operation data ledger information is mainly extracted, including: the name of the distribution network line, the name of the affiliated power substation, the affiliated bus, the number of line users, the line distribution variable and the distribution variable comprise low-voltage user number key field information;
a data analysis module: generating row data by taking a line ID as a main field of key information of data acquisition, and removing non-validity and mutation abnormal data;
a line topology analysis module: the method mainly comprises the steps of carrying out graph-mode analysis on a distribution network single line diagram in a production system, then carrying out digital-to-analog conversion to realize digitalization of a graphic field, generating a topological structure of each distribution network line, and dividing the line into an upstream switch and a downstream switch according to logic;
an automated switch analysis module: the method mainly comprises the steps of intelligently analyzing data output by a data analysis module, upstream and downstream switches and topology conditions output by a line topology analysis module, and intelligently diagnosing the automatic switches of all distribution network lines, names of the upstream and downstream switches of the automatic switches, the number of users in an automatic switch interval and distribution variables;
intelligent selection module of circuit breaker of 0 second level: carry out intelligent analysis to the switch that automatic switch analysis module intelligent analysis goes out, set up the logic according to topological structure and automatic switch grade difference and carry out the grade difference configuration, set up the automatic circuit breaker that accords with logical condition to 0 second level circuit breaker, allow its configuration protection definite value:
configuring a circuit breaker of 0 second class according to logic, and automatically marking the circuit breaker as the circuit breaker of 0 second class, wherein the logic is as follows:
1) other automatic circuit breakers do not exist in the circuit at the rear end of the circuit breaker;
2) the automatic circuit breaker is arranged at the communication position of a power supply line at the rear end of the automatic circuit breaker;
intelligent selection module of circuit breaker in 150 milliseconds of line: marking the circuit breakers which are already set to be 0 second level, configuring the level difference of the rest automatic circuit breakers according to a topological structure and automatic switch level difference setting logic, setting the automatic circuit breakers which meet the 150 millisecond selected logic condition to be 150 millisecond circuit breakers, and allowing the automatic circuit breakers to be configured with protection fixed values;
a result output module: the analysis result is mainly output, and an analysis report of the distribution network line automatic switch relay protection level difference is generated.
2. A configuration method of an intelligent configuration system of an automatic switch relay protection level difference of a distribution line is characterized by comprising the following steps:
s1: the method comprises the steps of obtaining production machine account information, obtaining key fields related to automatic switch level difference configuration in the machine accounts, and forming a row database by taking a distribution network line as a unit;
s2: extracting a distribution network single line graph file, realizing graph-mode conversion, analyzing a line topological structure, and forming a line database by taking a distribution network line as a unit;
s3: analyzing the number of users and distribution variables of each line automation switch and the interval thereof according to the database formed by S1 and S2;
s4: and outputting the output result to the automatic circuit breaker according to the S3, intelligently configuring a circuit breaker of 0 second level according to the selected logic, and marking the circuit breaker:
according to the result output by the S3, performing intelligent analysis on all the automatic circuit breakers output by the S3, configuring a circuit breaker with a 0 second level according to logic, and automatically marking the circuit breaker with the 0 second level, wherein the logic is as follows:
1) other automatic circuit breakers do not exist in the circuit at the rear end of the circuit breaker;
2) the automatic circuit breaker is arranged at the communication position of a power supply line at the rear end of the automatic circuit breaker;
s5: intelligently analyzing the automatic circuit breakers which are not marked in the S4, intelligently configuring the circuit breakers of 150 milliseconds according to the selection logic, and marking the circuit breakers:
intelligently analyzing the automatic circuit breakers which are not marked at S4, intelligently configuring the circuit breakers of 150 milliseconds according to a selected logic, and marking the circuit breakers, wherein the logic is as follows:
automatic selection of a main line breaker:
1) all main line analysis, starting from the very end of the main line;
2) only 0 second-level circuit breakers exist in the main line, and 150 millisecond-level circuit breakers do not need to be selected;
3) except for the 0 second-class breaker, only one automatic breaker exists, and the automatic breaker is defined as a 150 millisecond-class breaker;
4) except for 0 second-level circuit breakers, if two or more automatic circuit breakers exist, one automatic circuit breaker with the number of rear-stage power supply users closest to half of a bus line is selected from the main line automatic circuit breakers and is set as a 150 millisecond-level circuit breaker;
automatic selection of branch line circuit breakers:
1) analyzing all branch lines, namely analyzing a large branch and then analyzing a small branch under the large branch;
2) the branch line only has a 0-second-level breaker, and a 150-millisecond-level breaker is not required to be selected;
3) besides the 0 second class breaker, there is only one automatic breaker: a 150-millisecond circuit breaker does not exist in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, and the automatic circuit breaker is defined as the 150-millisecond circuit breaker; if a 150-millisecond circuit breaker exists in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, the 150-millisecond circuit breaker does not need to be selected;
4) in addition to 0 second class circuit breakers, there are two or more automated circuit breakers: a 150 millisecond-level circuit breaker does not exist in a power supply path from a substation outgoing switch to the branch line automatic circuit breaker, and a first automatic circuit breaker of the branch line is defined as the 150 millisecond-level circuit breaker; if a 150-millisecond circuit breaker exists in a power supply path from a substation outgoing switch to a first automatic circuit breaker of the branch line, the 150-millisecond circuit breaker does not need to be selected;
s6: and (5) sorting the output results of the S4 and the S5 to generate a distribution network line automatic switch relay protection level difference configuration analysis report.
3. The method for configuring the intelligent configuration system of the distribution line automatic switch relay protection level difference according to claim 2, wherein the specific process of the step S1 is as follows:
extracting production operation data ledger information, including: the name of the distribution network line, the name of the affiliated power substation, the affiliated bus, the number of line users, the line distribution variable and the distribution variable number comprise low-voltage user number key field information, then the key information is used as a main field to generate line data by using a line ID, and non-validity and mutation abnormal data are removed.
4. The method of claim 3, wherein the step S2 is executed by:
the method comprises the steps of carrying out graph-mode analysis on a distribution network single line diagram in a production system, then carrying out digital-to-analog conversion to realize digitalization of a graphic field, generating a topological structure of each distribution network line, and dividing the line into an upstream switch and a downstream switch according to logic.
5. The method of claim 4, wherein the step S3 is executed by:
and intelligently analyzing the data output by the data analysis module, the upstream and downstream switches and the topology conditions output by the line topology analysis module, and intelligently diagnosing the automatic switches of all distribution network lines, the names of the upstream and downstream switches of the automatic switches, the number of users in the automatic switch interval and the distribution quantity.
6. The method for configuring the intelligent configuration system of the distribution line automatic switch relay protection level difference according to claim 5, wherein the specific process of the step S6 is as follows:
and outputting the analysis results of S4 and S5 to generate a distribution network line automatic switch relay protection level difference configuration analysis report, wherein the report content comprises the distribution network line automatic switch needing to be configured for 150 milliseconds and 0 second, the sectional user number of the switch interval and the configuration variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910953025.6A CN110633268B (en) | 2019-10-09 | 2019-10-09 | Configuration system and configuration method for relay protection level difference of automatic switch of distribution line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910953025.6A CN110633268B (en) | 2019-10-09 | 2019-10-09 | Configuration system and configuration method for relay protection level difference of automatic switch of distribution line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110633268A CN110633268A (en) | 2019-12-31 |
| CN110633268B true CN110633268B (en) | 2021-03-02 |
Family
ID=68976031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910953025.6A Active CN110633268B (en) | 2019-10-09 | 2019-10-09 | Configuration system and configuration method for relay protection level difference of automatic switch of distribution line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110633268B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111461520B (en) * | 2020-03-27 | 2022-04-19 | 广东电网有限责任公司 | Intelligent analysis method for distribution network line automatic switch distribution |
| CN115859547B (en) * | 2023-02-27 | 2023-07-04 | 国网江西省电力有限公司电力科学研究院 | Automatic generation system and method for distribution line constant value scheme |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104753178A (en) * | 2015-04-16 | 2015-07-01 | 河南行知专利服务有限公司 | Power grid fault handling system |
| CN108376974B (en) * | 2018-02-11 | 2019-09-03 | 国网陕西省电力公司电力科学研究院 | A kind of power distribution network relay protection system based on current limliting Graded coordination |
| CN110310053A (en) * | 2019-08-28 | 2019-10-08 | 广东电网有限责任公司佛山供电局 | A kind of automation of distribution line can turn power supply capacity statistical method and system |
-
2019
- 2019-10-09 CN CN201910953025.6A patent/CN110633268B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110633268A (en) | 2019-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111461520B (en) | Intelligent analysis method for distribution network line automatic switch distribution | |
| CN111682534B (en) | Method for analyzing batch transfer scheme of feeder lines of power distribution network | |
| CN105809260A (en) | Method for intelligently generating monitoring information point list of dispatching automation system | |
| CN110633268B (en) | Configuration system and configuration method for relay protection level difference of automatic switch of distribution line | |
| CN107292769B (en) | Substation reconstruction and extension configuration consistency comparison and verification method based on RCD | |
| CN109710647B (en) | Power grid standing book data fusion method and device based on keyword search | |
| CN110688724B (en) | Intelligent identification method for same-tower installation of distribution network line | |
| CN110598975B (en) | Typical wiring diagnosis and analysis method for distribution network line | |
| CN104360835B (en) | A kind of sequence operation ticket automatic generation method based on topological mode | |
| CN111241488A (en) | Distribution network protection fixed value setting system based on full information data flow | |
| CN112600303B (en) | Intelligent substation secondary system trouble automatic positioning device | |
| CN104463712A (en) | Intelligent distribution network fault information statistical analysis system | |
| CN110932406B (en) | Remote signaling information checking method and device for intelligent substation scheduling master station | |
| CN104778632A (en) | Intelligent decision making aiding method and system for transfer power supply | |
| CN110556920A (en) | Distribution automation monitoring method, system, terminal and storage medium | |
| CN104104151A (en) | Access method of power distribution terminal equipment information | |
| CN108964069B (en) | Multi-turn low-frequency load reduction simulation calculation method and system for power grid | |
| CN106981876A (en) | Distribution network reliability evaluation method based on line segment model | |
| CN106229974B (en) | A method of the electric power networks rapid topology analysis based on chart database | |
| CN112949271A (en) | Maintenance safety measure analysis method and system | |
| CN112737124A (en) | Method and device for constructing power equipment monitoring terminal | |
| CN111476547A (en) | Method for analyzing assets of distribution network line ring-out point arrangement in user | |
| CN116841985A (en) | Method, system and device for building plant model topology | |
| CN108846552B (en) | Distribution network automation terminal defect analysis system and method thereof | |
| CN109687592A (en) | Substation information display control method, device and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |