CN110768247B - Main and distribution network model splicing method based on distribution automation main station - Google Patents
Main and distribution network model splicing method based on distribution automation main station Download PDFInfo
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- CN110768247B CN110768247B CN201911028241.6A CN201911028241A CN110768247B CN 110768247 B CN110768247 B CN 110768247B CN 201911028241 A CN201911028241 A CN 201911028241A CN 110768247 B CN110768247 B CN 110768247B
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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
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Abstract
The invention relates to a main distribution network model splicing method based on a distribution automation main station. Expanding a substation model on the basis of the distribution automation model, and reusing a main network graphic model on the boundary equipment of the main network and the distribution network; the EMS system sends the graphic model information to the DMS system in a CIM-E file mode; the DMS system receives the CIM-E file and then analyzes the CIM-E file, and the CIM-E file is matched with a 10kV outgoing line switch of the DMS system to form a comparison table; splicing a transmission network 10kV outgoing line model of the transformer substation model with a distribution network 10kV outgoing line model of the distribution model; after the models are spliced, the transformer substation model is modified on the main network side and then is incrementally and abnormally moved to a DMS system by taking the feeder line as a basic unit. The method can complete the graph-model fusion of the main distribution network and the distribution network, and realize the model and graph fusion splicing of the power grid dispatching control system and the distribution network dispatching control system.
Description
Technical Field
The invention belongs to the field of power system automation, and particularly relates to a main and distribution network model splicing method based on a distribution automation master station.
Background
According to the organization requirements of the current five-level dispatching mechanism, the dispatching responsible range of the current county dispatching is two parts of contents of a 35kV transformer substation and a 10kV power distribution network, and the dispatching responsibility is divided into dispatching and monitoring and is respectively responsible for dispatching operation services of the 35kV transformer substation and the 10kV power distribution network and monitoring operation services of the 35kV transformer substation; the urban distribution and dispatching work is gradually developing the transfer work of the dispatching responsibilities of the 35kV transformer substation according to the requirement of the homogeneous management of the distribution and dispatching in the national dispatching county. At present, the county-level control personnel also need to use a main automatic system and a secondary automatic system to carry out the dispatching work.
In order to adapt to the new trend and new requirements of the power distribution network development, further tamp the operation management basis of the power distribution network, improve the standardization level of the graphic model construction of the support system of the power distribution network dispatching technology, and establish No. 54 characters in the national center of government regulation. According to the relevant requirements of the national dispatching No. 54, in order to meet the requirement that a dispatcher can use one workstation to finish daily dispatching business application and reduce the complexity of switching multiple systems of multiple workstations, graph-model data fusion between a main network and a distribution network needs to be realized.
Disclosure of Invention
The invention aims to provide a main distribution network model splicing method based on a distribution automation main station, which can realize the fusion of main distribution network graph model data.
In order to achieve the purpose, the technical scheme of the invention is as follows: a main network and distribution network model splicing method based on a distribution automation main station is characterized in that a substation model is expanded on the basis of a distribution automation model, and a main network graphic model is reused on a main network and distribution network boundary device; the EMS system sends the graphic model information to the DMS system in a CIM-E file mode; the DMS system receives the CIM-E file and analyzes the CIM-E file, and the CIM-E file is matched with a 10kV outgoing switch of the DMS system to form a comparison table; splicing a transmission network 10kV outgoing line model of the transformer substation model with a distribution network 10kV outgoing line model of the distribution model; after model splicing, the substation model is modified on the main network side and then is subjected to incremental transaction to the DMS system by taking the feeder line as a basic unit.
In one embodiment of the invention, when a 10kV outgoing line model of a transmission network of a transformer substation model is spliced with a 10kV outgoing line model of a distribution network of a distribution model, a 10kV bus is selected as a cross point of a topological relation between the two, the topology of the switch equipment takes the distribution model as a reference, and the correlation matching of switches is simultaneously carried out; the splicing matching of the buses is matched by taking the name of the transformer substation plus the name of the bus as a standard.
In one embodiment of the invention, the distribution network graphic model conforms to IEC61970/61968 standard, a feeder line is used as a basic unit, and graph-model integrated modeling is carried out based on a single line diagram; the graphs of the distribution network and the main network of the same type of equipment adopt a main network primitive pattern, the graphs of different types of equipment adopt a distribution network model, the main network boundary equipment multiplexes the main network graph model, the equipment above 10kV directly multiplexes the model graph of the main network, and the graph models of the 10kV outlet equipment are spliced.
In an embodiment of the invention, the EMS system sends the graphic model information to the DMS system through the forward physical isolation device in a CIM-E file manner.
In an embodiment of the present invention, the lookup table includes ID of the 10kV substation device in the EMS, parameters, device ID corresponding to the DMS system, and information of description.
In an embodiment of the invention, after the DMS system receives the incremental transaction message, the transaction program prompts display, and automatically checks the integrity of the graph model according to the content of the message, and the DMS system compares, checks and stores the transaction device through the transaction tool.
Compared with the prior art, the invention has the following beneficial effects:
1. the method realizes the graph-model fusion of the main network and the distribution network;
2. the method provides technical support for realizing that the scheduling personnel can complete daily scheduling service application by using one workstation, thereby improving the working efficiency of the scheduling platform application;
3. the method supports multithread calling and can simultaneously process a plurality of clients to carry out model splicing operation.
The invention provides a main and distribution network model splicing method based on a distribution automation master station, which is proved by practical application that the method is correct and effective, and the accuracy and timeliness of the fusion of the main and distribution network models are ensured.
Detailed Description
The following specifically describes the technical means of the present invention.
The invention provides a main network and distribution network model splicing method based on a distribution automation main station, which is characterized in that a substation model is expanded on the basis of a distribution automation model, and a main network graphic model is reused on a main network and distribution network boundary device; the EMS system sends the graphic model information to the DMS system in a CIM-E file mode; the DMS system receives the CIM-E file and then analyzes the CIM-E file, and the CIM-E file is matched with a 10kV outgoing line switch of the DMS system to form a comparison table; splicing a transmission network 10kV outgoing line model of the transformer substation model with a distribution network 10kV outgoing line model of the distribution model; after the models are spliced, the transformer substation model is modified on the main network side and then is incrementally and abnormally moved to a DMS system by taking the feeder line as a basic unit.
The method of the invention is concretely realized as follows:
1) According to the specification of file 54, the main network graphic model is reused by the main network boundary equipment. The equipment with the voltage of more than 10kV directly takes the model graph of the main network, and the graph models of the 10kV outgoing equipment are spliced.
2) The EMS system transmits the graph mode information to the DMS system in a CIM-E file mode through forward physical isolation device transmission. After the cross-isolation interaction link between the DMS system and the EMS system is established, the EMS system generates a CIM-E file in an appointed format and pushes the CIM-E file to the DMS system in a file transmission mode.
3) And the DMS system analyzes the CIM-E file after receiving the CIM-E file, and matches the CIM-E file with a 10kV outgoing switch of the DMS system to form a comparison table. The comparison table contains information such as the ID and parameters of the 10kV power transformation equipment in the EMS, the equipment ID corresponding to the DMS system, description and the like.
4) And during splicing, a 10kV bus is selected as a cross point of the topological relation between the two buses, the topology of the switch equipment is based on a power distribution model, and the correlation matching of the switches is carried out simultaneously. The splicing matching of the buses is performed by taking the name of the transformer station and the name of the bus as the standard.
a. When the first splicing is carried out, the transformer substation and the outgoing line switch realize the matching of the EMS model information and the feeder line model information according to the names, and the matching and multiplexing of other model data can be carried out only if the matching is successful.
b. When the outgoing switch is spliced, firstly, connection point information A of the EMS model far away from a bus side is found out, then, a connection point B of the outgoing switch far away from the bus side (connected with other equipment, such as a feeder line section) in the GIS model is found out, model information matching and combining are carried out on the connection point A and the connection point B, the outgoing switch is set to be created and not updated, and in the library writing process, topological information of the created and not updated outgoing switch is not updated.
c. And if the splicing fails, original data of the substation or the outgoing switch in the database are recovered, and newly introduced GIS model data are introduced as new equipment.
d. When the increment is imported, judging whether the equipment is spliced successfully (judging according to data in the rdfly table), and if the equipment is spliced successfully, directly finding a transformer substation with splicing or an outgoing switch according to corresponding information of the rdfly table; and if the splicing is not successful, carrying out model information matching between the EMS and the GIS again according to the name, and if the matching is successful, clearing error information reserved in the database after the matching is successful.
5) And the substation model is incrementally changed to the DMS by taking the feeder line as a basic unit after the main network side is modified. When the EMS side has model transaction, the information body and the graph model file are automatically sent to the DMS. And after the DMS system receives the message body, the transaction program prompts display, and automatically checks the integrity of the graph model according to the content of the message body. And the DMS compares, checks and stores the transaction equipment through the transaction tool.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.
Claims (1)
1. A main network and distribution network model splicing method based on a distribution automation master station is characterized in that a substation model is expanded on the basis of a distribution automation model, and a main network graphic model is reused on a main network and distribution network boundary device; the EMS system sends the graphic model information to the DMS system in a CIM-E file mode; the DMS system receives the CIM-E file and then analyzes the CIM-E file, and the CIM-E file is matched with a 10kV outgoing line switch of the DMS system to form a comparison table; splicing a transmission network 10kV outgoing line model of the transformer substation model with a distribution network 10kV outgoing line model of the distribution model; after the models are spliced, the transformer substation model is modified on the main network side and then incrementally and abnormally moved to a DMS system by taking the feeder line as a basic unit;
when a power transmission network 10kV outgoing line model of a transformer substation model is spliced with a power distribution network 10kV outgoing line model of a power distribution model, a 10kV bus is selected as a cross point of the topological relation between the power transmission network 10kV outgoing line model and the power distribution network 10kV outgoing line model, the topology of the switch equipment is based on the power distribution model, and the association matching of switches is carried out simultaneously; matching the splicing of the buses by taking the name of the transformer substation and the name of the bus as a standard;
the distribution network graphic model conforms to IEC61970/61968 standard, a feeder is used as a basic unit, and graphic-model integrated modeling is carried out on the basis of a single line diagram; the graph of the distribution network and the graph of the main network are in the same type and the distribution network model is used for the graph of different types of equipment, the main network border equipment multiplexes the main network graph model, the equipment with the voltage of more than 10kV directly multiplexes the model graph of the main network, and the graph models of the 10kV outlet equipment are spliced;
the EMS system sends the graphic model information to the DMS system in a CIM-E file mode through the forward physical isolation device;
the comparison table comprises the ID and the parameters of the 10kV power transformation equipment in the EMS, the equipment ID corresponding to the DMS system and the information of description;
and after receiving the incremental transaction message, the DMS system prompts display by the transaction program, automatically checks the integrity of the graph model according to the content of the message body, and compares, checks and stores the transaction equipment by the DMS system through a transaction tool.
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| CN113094381A (en) * | 2021-04-02 | 2021-07-09 | 珠海万力达电气自动化有限公司 | Method and system for completing distribution network operation by matching distribution network automation master station with access point |
| CN113343044A (en) * | 2021-07-08 | 2021-09-03 | 南方电网数字电网研究院有限公司 | Method and system for splicing CIM graph model and distribution line based on transformer substation |
| CN115065702B (en) * | 2022-06-17 | 2024-03-26 | 国电南瑞科技股份有限公司 | New energy data access system and method suitable for new generation scheduling master station |
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