CN111291148B - Method and system for generating protection fixed value visualization configuration diagram based on GIS (geographic information System) - Google Patents
Method and system for generating protection fixed value visualization configuration diagram based on GIS (geographic information System) Download PDFInfo
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- CN111291148B CN111291148B CN202010124332.6A CN202010124332A CN111291148B CN 111291148 B CN111291148 B CN 111291148B CN 202010124332 A CN202010124332 A CN 202010124332A CN 111291148 B CN111291148 B CN 111291148B
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- 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
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The invention discloses a method and a system for generating a protection fixed value visualization configuration diagram based on a GIS system, wherein the method comprises the following steps: acquiring a power distribution network line GIS map based on a GIS system; extracting power equipment in the GIS system, and constructing a simplified single line diagram according to the extracted equipment; inputting the relay protection key fixed value information into a GIS system so as to provide basic data for protection calculation; presetting screening conditions, screening out the electric equipment meeting the conditions in the simplified single line diagram obtained in the step S2, displaying the electric equipment and the screened out corresponding lines of the electric equipment together, and generating a simplified diagram combined by the electric equipment and the corresponding lines; according to different protection levels of the switch in the GIS graph, a fixed value input interface and an input flow are realized according to the ID of the switch, and protection fixed value key information for fault analysis is transmitted to a simplified graph in the step S4, so that a key information simplified graph is generated; and (5) performing fault simulation and accident replay on the simplified diagram obtained in the step S5.
Description
Technical Field
The invention relates to the technical field of relay protection of power systems, in particular to a method and a system for generating a protection fixed value visualization configuration diagram of a GIS (geographic information system).
Background
At present, in the field of power grids, a fixed value visual configuration diagram is an extremely important safety guarantee tool for power system fault analysis, relay protection setting and the like, and is used as decision-making assistance for relay protection and dispatcher to manually judge an information system needed in a mass data collection process. The power grid company puts forward a world first-class enterprise target to build a first-class emergency command system, and the emergency command system needs to be reliable and efficient. However, at the present stage, only one single line diagram command is adopted, the key information cannot be automatically extracted, and the analysis time of faults is shortened.
Disclosure of Invention
The invention provides a method and a system for generating a protection fixed value visual configuration diagram based on a GIS system, which can directly generate the protection fixed value visual configuration diagram on the GIS system and simulate accidents by using the configuration diagram.
In order to achieve the above purpose of the present invention, the following technical scheme is adopted:
a method for generating a protection fixed value visualization configuration diagram based on a GIS system, the generation method comprising the following steps:
s1: acquiring a power distribution network line GIS map based on a GIS system;
s2: extracting power equipment in the GIS system, and constructing a simplified single line diagram according to the extracted equipment;
s3: inputting the relay protection key fixed value information into a GIS system so as to provide basic data for protection calculation;
s4: presetting screening conditions, screening out the electric equipment meeting the conditions in the simplified single line diagram obtained in the step S2, displaying the electric equipment and the screened out corresponding lines of the electric equipment together, and generating a simplified diagram combined by the electric equipment and the corresponding lines;
s5: according to different protection levels of the switch in the GIS graph, a fixed value input interface and an input flow are realized according to the ID of the switch, and protection fixed value key information for fault analysis is transmitted to a simplified graph in the step S4, so that a key information simplified graph is generated;
s6: and (5) performing fault simulation and accident replay on the simplified diagram obtained in the step S5.
The invention also provides a system based on the method for generating the protection fixed value visualization configuration map based on the GIS system, which comprises
The acquisition module is used for acquiring a power distribution network line GIS graph;
the extraction module is used for extracting power equipment from the GIS system;
the construction module is used for constructing a simplified electric diagram by extracting the information of the electric power equipment from the extraction module;
the input module is used for inputting the relay protection key fixed value information into the GIS;
the screening module screens out the electric equipment meeting the conditions in the obtained simplified single line diagram, and displays the screened electric equipment and the corresponding circuit of the electric equipment together to generate a simplified diagram combined by the electric equipment and the corresponding circuit;
the generation module is used for realizing a fixed value input interface and an input flow according to the ID of the switch and transmitting the protection fixed value key information for fault analysis to the simplified graph so as to generate a key information simplified graph;
and the fault simulation module is used for performing fault simulation and accident replay on the obtained simplified diagram.
The beneficial effects of the invention are as follows:
the invention provides a method for generating a protection fixed value visual configuration diagram based on a GIS system from the angles of relay protection setting and fault analysis personnel, which shortens the processes of drawing, fixed value list and fixed value list key information extraction, protection cooperation analysis, field drawing and sketch and the like to one-key automatic production, simplifies the whole fault analysis process, and simultaneously ensures that the company allocation and robbery service is effectively supported and the power supply reliability is improved by shortening the analysis time of the power grid fault.
Drawings
FIG. 1 is a schematic diagram of the production method described in example 1.
Fig. 2 is a schematic diagram of a relay protection key fixed value information input GIS system in embodiment 1.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1, a method for generating a protection fixed value visualization configuration diagram based on a GIS system includes the following steps:
s1: the embodiment can be directly developed and utilized on a GIS system, the function is directly added through the GIS system, a GIS system server is used for public use, the JAVA function is used for modularized development, and based on the GIS system, the technology is directly used as a module of the GIS system, so that a GIS diagram of a power distribution network line is obtained; synchronously realizing the WEB browsing function, adopting a B/S structure of a webpage version, deploying a server on a local call, and logging in a setting system by a local and county caller by using a browser of an office computer;
s2: the method comprises the steps of utilizing a big data analysis technology to call a GIS database to extract a transformer substation, a switch, a circuit breaker and corresponding circuits and branch towers in a GIS system, and generating a simplified single line diagram composed of straight lines and or transverse lines on the circuits for extracting the switch;
s3: as shown in fig. 2, providing a data support to enter relay protection key value information into a GIS system so as to provide basic data for protection calculation; analyzing the fixed value file, checking the file according to the template intelligent pair, checking whether the file data is qualified, if so, issuing the fixed value data as fixed value calculation;
s4: and (3) using java language to screen whether the switch is a load or not, screening out the switches and the breakers meeting the conditions in the simplified single line diagram obtained in the step (S2), displaying the switches and the breakers together with corresponding lines of the transformer substation and the switches, and generating a simplified diagram comprising the transformer substation, the switches, the breakers and the lines.
S5: according to different protection levels of the switch in the GIS graph, a fixed value input interface and an input flow are realized according to the ID of the switch, and protection fixed value key information for fault analysis is transmitted to a simplified graph in the step S4, so that a key information simplified graph is generated;
the protection fixed value key information for fault analysis and the like is transmitted to a key information simplified diagram of production through an interface technology from a setting fixed value input interface and an input flow, the key information can facilitate a manager to make an adjustment scheme in time according to conditions, and also facilitate on-site personnel to set corresponding values for equipment according to data, and the protection fixed value key information comprises key information such as an overcurrent one section, an overcurrent two section, reclosing, logic function X time (closing delay time), Y time (closing confirmation time), Z time (opening delay time) and the like.
S6: and (5) performing fault simulation and accident replay on the simplified diagram obtained in the step S5. Fault simulation and accident replay are performed on a simplified diagram, in particular: and (3) simulating the process of the switch protection action after the fault according to the characteristics of the relay protection action by utilizing a big data analysis technology and adopting a neural network algorithm according to the relay protection key fixed value information in the step (S3), and carrying out fault replay and fault reasoning.
The fault simulation simulates the influence of the whole line when the fault actually occurs by disconnecting the line or the switch on the simplified diagram, so that important attention can be paid to some key equipment in advance, and the accident rate is reduced; the accident replay is to compare and analyze the current accident with the history accident event to obtain the current accident cause, such as tripping the equipment and finding out the fault point, so as to assist in the field fault finding.
The method for generating the protection fixed value visual configuration diagram based on the GIS system in the embodiment further provides a system for generating the protection fixed value visual configuration diagram based on the GIS system, which comprises
The acquisition module is used for acquiring a power distribution network line GIS graph;
the extraction module is used for extracting power equipment from the GIS system;
the construction module is used for constructing a simplified electric diagram by extracting the information of the electric power equipment from the extraction module;
the input module is used for inputting the relay protection key fixed value information into the GIS;
the screening module screens out the electric equipment meeting the conditions in the obtained simplified single line diagram, and displays the screened electric equipment and the corresponding circuit of the electric equipment together to generate a simplified diagram combined by the electric equipment and the corresponding circuit;
the generation module is used for realizing a fixed value input interface and an input flow according to the ID of the switch and transmitting the protection fixed value key information for fault analysis to the simplified graph so as to generate a key information simplified graph;
and the fault simulation module is used for performing fault simulation and accident replay on the obtained simplified diagram.
In a specific embodiment, the system further comprises a display module for displaying the generated key signal simplified diagram and the results of fault simulation and accident replay.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. A method for generating a protection fixed value visualization configuration diagram based on a GIS system is characterized by comprising the following steps: the generation method comprises the following steps:
s1: acquiring a power distribution network line GIS map based on a GIS system;
s2: extracting power equipment in the GIS system, and constructing a simplified single line diagram according to the extracted equipment;
s3: inputting the relay protection key fixed value information into a GIS system so as to provide basic data for protection calculation;
s4: presetting screening conditions, screening out the electric equipment meeting the conditions in the simplified single line diagram obtained in the step S2, displaying the electric equipment and the circuits corresponding to the screened electric equipment together, and generating a simplified diagram formed by combining the electric equipment and the corresponding circuits;
s5: according to different protection levels of a switch in the GIS graph, a fixed value input interface and an input flow are realized according to the ID of the switch, relay protection key fixed value information for fault analysis is transmitted to a simplified graph in the step S4, and therefore a key information simplified graph is generated;
s6: performing fault simulation and accident replay on the key information simplified diagram obtained in the step S5;
step S4, specifically, whether the switch is loaded or not is taken as a condition, the switch and the circuit breaker which meet the condition in the simplified single line diagram are screened out, and the switch and the circuit corresponding to the transformer substation are displayed together, so that a simplified diagram comprising the transformer substation, the switch, the circuit breaker and the circuit is generated;
step S6, performing fault simulation and accident replay on the key information simplified diagram,
specifically, a big data analysis technology is utilized, a neural network algorithm is adopted, and according to the relay protection key fixed value information and the characteristics of relay protection actions in the step S3, the process of switch protection actions after faults is simulated, and fault replay and fault reasoning are carried out.
2. The method for generating the protection fixed value visualization configuration map based on the GIS system according to claim 1, wherein the method comprises the following steps: in step S2, the power equipment includes a transformer substation, a switch, a circuit breaker, and corresponding lines and branch towers, and the extracted lines of the switch are generated into a simplified single line diagram composed of straight lines.
3. The method for generating the protection fixed value visualization configuration map based on the GIS system according to claim 2, wherein the method comprises the following steps: and S2, extracting a transformer substation, a switch, a circuit breaker and a corresponding line and branch towers from the GIS system by utilizing a big data analysis technology.
4. The method for generating the protection fixed value visualization configuration map based on the GIS system according to claim 1, wherein the method comprises the following steps: the relay protection key fixed value information comprises an overcurrent section, a reclosing, a logic function X time, a logic function Y time and a logic function Z time.
5. A system based on the method for generating the protection fixed value visualization configuration map based on the GIS system according to any one of claims 1 to 4, which is characterized in that: comprising
The acquisition module is used for acquiring a power distribution network line GIS graph;
the extraction module is used for extracting the power equipment from the GIS system;
the construction module is used for constructing a simplified electric wire diagram according to the electric equipment information extracted by the extraction module;
the input module is used for inputting the relay protection key fixed value information into the GIS;
the screening module screens out the electric equipment meeting the conditions in the obtained simplified single line diagram, and displays the screened electric equipment and the circuit corresponding to the electric equipment together to generate a simplified diagram formed by combining the electric equipment and the corresponding circuit;
the generation module is used for realizing a fixed value input interface and an input flow according to the ID of the switch and transmitting relay protection key fixed value information for fault analysis to the simplified diagram so as to generate a key information simplified diagram;
and the fault simulation module is used for performing fault simulation and accident replay on the obtained key information simplified diagram.
6. The system according to claim 5, wherein: the system also comprises a display module for displaying the generated key information simplified diagram and the results of fault simulation and accident replay.
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| CN111884181A (en) * | 2020-07-16 | 2020-11-03 | 广东电网有限责任公司 | Method for configuring simplified diagram through fixed value setting |
| CN112653125B (en) * | 2020-11-17 | 2022-06-07 | 国网山东省电力公司青岛供电公司 | Method and system for automatically generating power distribution network switch visual constant value matching diagram |
| CN112883051A (en) * | 2021-04-12 | 2021-06-01 | 广东电网有限责任公司佛山供电局 | Intelligent extraction method and system for field data of distribution network power conversion field |
| CN114840247A (en) * | 2022-05-06 | 2022-08-02 | 贵州电网有限责任公司 | Chip-level power intelligent system configuration method and device |
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| US9692407B2 (en) * | 2013-02-11 | 2017-06-27 | Abb Technology Ag | Circuit and method for detection of failure of the driver signal for parallel electronic switches |
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| CN110417118B (en) * | 2019-06-11 | 2021-04-23 | 国网江西省电力有限公司赣东北供电分公司 | Setting calculation method for automatically generating fixed value switch fixed value diagram of distribution network line |
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| JP2012022432A (en) * | 2010-07-13 | 2012-02-02 | Hitachi Automotive Systems Ltd | Embedded control device, developing method for embedded control device, and embedded control program |
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