CN101895154A - Main and distribution network model splicing method and system in distribution network automation system - Google Patents
Main and distribution network model splicing method and system in distribution network automation system Download PDFInfo
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Abstract
The invention provides a main and distribution network model splicing method and system in a distribution network automatic system. The method comprises the following steps: comparing an updated main network model in a main network scheduling automatic system with a prestored main network model in a main network model and distribution network automatic system, calculating the update information of the main network model; judging whether the update information contains a periphery device connected with a distribution network model, if so, updating the information of the corresponding periphery device in the distribution network model; and updating the information of the main network model stored in the distribution network automatic system. By using the main and distribution network model splicing method and system in the distribution network automatic system provided by the invention, the main network model and the distribution network model can be spliced in the distribution network automatic system, thus obtaining the complete model data of the entire network, reducing the workload of splicing the main and distribution network models and providing reliable basis for the operation decision of the distribution network automatic system.
Description
Technical field
The present invention relates to the power system analysis technical field, relate in particular to the main distribution model splicing method in a kind of distribution automation system, the invention still further relates to the main distribution model splicing system in a kind of distribution automation system.
Background technology
Along with power system development, electric power networks is carried out the important means that modeling becomes the managing power networking, usually in the dispatch automated system of major network end, set up on the power distribution network to the network model between the power plant, i.e. the major network model; In the distribution automation system of distribution end, set up the model of the network of distribution line composition, i.e. the distribution model.For example, when distribution automation system is set up described distribution model, the data of external model (distant, two distant, three distant equipment that contain feeder line) of will standing deposit described distribution automation system SCADA server in, set up model by the drawing tool and the database maintenance tool of system.
Improving the power network safety operation level, guarantee the safe and reliable operation of national grid, is the pressing issues that China's electric power system faces at present.Resolve this problem, just must analyze more reliably electric power system, for operational decisions provides more believable data theoretical foundation, and be exactly how to realize the model splicing of main distribution in the problem that the distribution end need solve, for interconnected electric power system, distribution automation system must be timely, comprehensive, accurate and complete to the understanding of whole electric power system, analyzes on complete the whole network model data basis obtaining, and just might provide reliable believable analysis result.
The IEC61970CIM series standard that International Electrotechnical Commission formulates, electric power system common information model and application programming interfaces thereof have been carried out standard, it is the framework basis of whole electric power system control, for exchange model information between the electric power system different control areas provide may, the present invention also is based on and realizes under the prerequisite that meets this international standard.
Summary of the invention
The technical problem to be solved in the present invention provides main distribution model splicing method and the system thereof in the higher distribution automation system of a kind of efficient, can in distribution automation system, realize the splicing of major network model and distribution model, make and to obtain complete the whole network model data in the distribution automation system.
For addressing the above problem, main distribution model splicing method in the distribution automation system provided by the invention, may further comprise the steps: the major network model that stores in advance in major network model that described major network dispatch automated system is upgraded and the distribution automation system relatively calculates the lastest imformation of described major network model; Judge whether comprise the edge device that is connected with described distribution model in the described lastest imformation, if then upgrade the information of edge device corresponding in the described distribution model, otherwise do not upgrade the information of described distribution model; Upgrade the major network model information that stores in the described distribution automation system.
For addressing the above problem, the main distribution model splicing system in the distribution automation system provided by the invention comprises: computing module, distribution model modification module and major network model modification module.Described computing module is used for the major network model comparison that major network model that described major network dispatch automated system is upgraded and distribution automation system store in advance, calculates the lastest imformation of described major network model; Described distribution model modification module is used for judging whether described lastest imformation comprises the edge device that is connected with described distribution model, if then upgrade the information of edge device corresponding in the described distribution model, otherwise do not upgrade the information of described distribution model; Described major network model modification module is used for upgrading the major network model information that described distribution automation system stores.
Compared with prior art, because main distribution model splicing method and system thereof in the distribution automation system of the present invention have made full use of the major network model resource of upgrading in the electric power scheduling automatization system of major network end, calculate the lastest imformation of described major network model, therefore need not to upgrade and set up described major network model in the described distribution automation system, and only need to upgrade the major network model that stores in the described distribution automation system according to described lastest imformation, saved the workload of in distribution automation system, upgrading the major network model.
When in the lastest imformation of judging described major network model, relating to the edge device that is connected with described distribution model simultaneously, the corresponding edge device that upgrades described distribution model, otherwise do not upgrade the information of described distribution model, guaranteed the uniform data between main distribution network systems, in distribution automation system, set up complete electric power system the whole network model, realized the integrated modeling of main distribution, convenient global analysis to electric power system is for the operational decisions of distribution automation system provides reliable foundation.
Description of drawings
Fig. 1 is the schematic flow sheet of the main distribution model splicing method in the distribution automation system of the present invention;
Fig. 2 is the schematic diagram of major network model;
Fig. 3 is the schematic diagram of distribution model;
Fig. 4 is the structural representation of the main distribution model splicing system in the distribution automation system of the present invention;
Fig. 5 is the structural representation of a kind of preferred implementation of main distribution model splicing system in the distribution automation system of the present invention.
Wherein, the main distribution model splicing system in 10 distribution automation systems;
11 computing modules;
12 distribution model modification modules;
13 major network model modification modules;
14 first communication modules;
15 second communication modules.
Embodiment
See also Fig. 1, Fig. 1 is the schematic flow sheet of the main distribution model splicing method in the distribution automation system of the present invention.
Main distribution model splicing method in the described distribution automation system may further comprise the steps:
S101 obtains the major network model that the major network dispatch automated system is upgraded;
The major network dispatch automated system need manage major network, therefore sets up usually on the power distribution network to the network model between the power plant, i.e. and major network model, and described major network model carried out maintenance update.
When definite described major network model and distribution model, at first determine the border of described major network model and described distribution model, general electric power system is defined as main distribution model boundary: the power equipment with 10kV on the contact branch road of major network model and distribution model is an edge device.Described major network model and described distribution model have common border, and promptly described major network model is a terminal point with the 10kV edge device on the described contact branch road; Described distribution model is a starting point with the 10kV edge device on the described contact branch road, and described distribution automation system serves as that modeling is carried out to the distribution model in the basis with described edge device.
Going out wiretap 1012,1013 with 10kV in the major network model for example shown in Figure 2 is end boundaries equipment, then go out wiretap 1013 as the starting point edge device with 10kV in distribution model shown in Figure 3, therefore described major network model and described distribution model go out to realize splicing on the wiretap 1013 at described 10kV.
In this step, make full use of existing major network model resource in the described major network dispatch automated system, after described major network dispatch automated system is upgraded described major network model, described major network model is derived with the form that meets the IEC61970CIM standard, be sent to described distribution automation system by network then.
Can set described major network automated system described major network model is carried out timed sending, perhaps after upgrading, derive transmission automatically; Also can send preset instructions, make described major network dispatch automated system when receiving described preset instructions, from system, derive described major network model and be sent to described distribution automation system by network at described distribution automation system.
Described distribution automation system receives the major network model that described major network dispatch automated system sends by network, and with described major network model to meet the form import system of IEC61970CIM standard.
S102 with the major network model that stores in advance in the major network model of described renewal and the distribution automation system relatively, calculates the lastest imformation of described major network model;
For carrying out analysis decision according to the whole network model at the distribution end, therefore, in described distribution automation system, store complete the whole network model information of electric power system in advance, described the whole network model information comprises the contact branch road between described major network model, described distribution model and master, the distribution model, the nodal information of edge device etc.
In this step in the major network model that described major network dispatch automated system is sent and the described distribution automation system in advance the major network model of storage compare, can determine the lastest imformation of described major network model.Described lastest imformation comprises the equipment that increases in the described major network model, the equipment of minimizing, and the change of the node number of equipment or the like.
If in this step, learn that by relatively calculating any variation does not take place described major network model, step after then need not to carry out directly finishes this main distribution model splicing flow process, begins to carry out again main distribution model splicing flow process the distribution automation system from step S101.
S103 judges whether comprise the edge device that is connected with described distribution model in the described lastest imformation, if, execution in step S104 then; If not, execution in step S105 then.
Can whether relate to the renewal of 10kV equipment earlier according to described lastest imformation, judge whether described lastest imformation relates to the edge device of described major network model, if do not relate to the edge device of described major network model, direct execution in step S105.
If described lastest imformation relates to the edge device of described major network model, then need further information, judge whether the edge device of the major network model that upgrades is connected with described distribution model according to 10kV edge device corresponding on the contact branch road between described master, the distribution model.If, execution in step S104 then, if not, direct execution in step S105 then.
S104 upgrades in the described distribution model information of corresponding edge device and execution in step S105;
When the edge device that upgrades in judging described major network model is connected with described distribution model, the corresponding information of upgrading the edge device in the described distribution model.
For example, when the node number of the edge device in the described major network model changes, the then corresponding node number of revising edge device corresponding in the described distribution model.With Fig. 2 and major network model and distribution model shown in Figure 3 is example, if the node number that goes out wiretap 1012 in the described major network model changes 1014 into, and the node number that goes out wiretap 1013 is constant, then because describedly go out wiretap 1012 and be not connected with described distribution model, do not belong to the edge device on described master, the distribution contact branch road, so do not need to change described distribution model; And if the described node number that goes out wiretap 1013 changes 1015 into, then should change 1015 into by corresponding node number with the 10kV outlet switching boundary equipment in the described distribution model, make the annexation of main distribution keep correct.
Also having a kind of situation is when described major network model modification, the internal unit of described distribution model self changes simultaneously, then not only need to revise the information of the edge device of described distribution model this moment, and more will revise the information of internal unit, even need be to the modeling again of described distribution model.If to the modeling again of described distribution model, then can after the edge device that upgrades described distribution model, search for the edge device of described distribution model again, then with the starting point of described edge device, to the modeling again of described distribution model as model.
After finishing above step, execution in step S105.
S105 upgrades the major network model information that stores in the described distribution automation system.
According to the lastest imformation of in step S102, calculating the described major network model that obtains, the major network model that stores in the described distribution automation system is upgraded.
For example in described major network model, add new device model according to the increase facility information that comprises in the described lastest imformation; According to the information of the minimizing equipment that comprises in the described lastest imformation, delete existing some device model in the described major network model; And, revise node number of corresponding equipment model in the described major network model or the like according to the information that the device model node number that comprises in the described lastest imformation changes.Owing to only need upgrade the equipment component model of described major network model, and not need whole described major network model is upgraded according to described lastest imformation, therefore reduce the workload of described major network model modification, improved the operating efficiency of main distribution model splicing.
Compared with prior art, main distribution model splicing method in the distribution automation system of the present invention has been utilized the existing major network model resource in the major network dispatching patcher, by main distribution model splicing technology, in described distribution automation system, make up complete electric network model, realized the problem of the integrated modeling of main distribution, thereby alleviated the workload of distribution modeling greatly, also guaranteed the uniform data between the main distribution network systems.And, in described distribution automation system, can carry out analysis decision according to the whole network model, improve the reasonability and the efficient of distribution automation system dispatching management.
In addition, when main distribution model splicing, judge whether to relate to the renewal of distribution model according to the lastest imformation of major network model, only when described lastest imformation relates to the distribution model, just described distribution model is upgraded, if do not relate to described distribution model, then directly upgrade the major network model information that stores in the described distribution automation system.Thereby need not the whole network model in the described distribution automation system is upgraded, reduce the workload of model splicing, improve the operating efficiency of model splicing.
See also Fig. 4, Fig. 4 is the structural representation of the main distribution model splicing system in the distribution automation system of the present invention.
Main distribution model splicing system 10 in the described distribution automation system comprises: computing module 11, distribution model modification module 12 and major network model modification module 13.Described computing module 11 is used for the major network model comparison that major network model that described major network dispatch automated system is upgraded and distribution automation system store in advance, calculates the lastest imformation of described major network model; Described distribution model modification module 12 is used for according to described major network model and distribution model connection relation information, judge and whether comprise the edge device that is connected with described distribution model in the described lastest imformation, if then upgrade in the described distribution model information of corresponding edge device; Described major network model modification module 13 is used for upgrading the major network model information that described distribution automation system stores.
See also Fig. 5, Fig. 5 is the structural representation of a kind of preferred implementation of main distribution model splicing system in the distribution automation system of the present invention.
Main distribution model splicing system 10 in the described distribution automation system further comprises first communication module 14 and second communication module 15, the described major network model that described first communication module 14 is used for described major network dispatch automated system is upgraded is derived with the form that meets the IEC61970CIM standard, is sent to described second communication module 15 by network then; Described second communication module 15 is used for receiving the major network model that described first communication module 14 sends from network, and described major network model is imported distribution automation system with the form that meets the IEC61970CIM standard.
During specific implementation, 14 pairs of described major network models of described first communication module can be set carry out timed sending, perhaps after upgrading, derive transmission automatically; Also can send preset instructions by 15 pairs of described first communication modules 14 of described second communication module, described second communication module 15 is derived described major network model and is sent to described second communication module 15 by network when receiving described preset instructions from system.
The major network dispatch automated system need manage major network, therefore sets up usually on the power distribution network to the network model between the power plant, i.e. and major network model, and described major network model carried out maintenance update.Can make full use of existing major network model resource in the described major network dispatch automated system by described first communication module 14 and described second communication module 15 are set, make the distribution end need not the information that Data acquisition, can obtain the major network model.
When definite described major network model and distribution model, at first determine the border of described major network model and described distribution model, general electric power system is defined as main distribution model boundary: the power equipment with 10kV on the contact branch road of major network model and distribution model is common edge device.
Simultaneously, for carrying out analysis decision according to the whole network model at the distribution end, therefore, in described distribution automation system, store complete the whole network model information of electric power system in advance, described the whole network model information comprises the contact branch road between described major network model, described distribution model and master, the distribution model, the nodal information of edge device etc.
In the major network model that described computing module 11 sends described major network dispatch automated system and the described distribution automation system in advance the major network model of storage compare, thereby calculate the lastest imformation of described major network model.Described lastest imformation comprises the equipment that increases in the described major network model, the equipment of minimizing, and the change of the node number of equipment or the like.
Described computing module 11 is sent to described distribution model modification module 12 and described major network model modification module 13 by relatively calculating the lastest imformation of the described major network model that obtains.If described computing module 11 is by after relatively calculating, do not obtain the lastest imformation of described major network model, be that described major network model does not have any lastest imformation, then need not lastest imformation described distribution model modification module 12 or the described major network model of described major network model modification module 13 transmissions.
Described distribution model modification module 12 is used for judging whether described lastest imformation comprises the edge device that is connected with described distribution model, if then upgrade in the described distribution model information of corresponding edge device; If not, then can not do to upgrade processing to described distribution model according to described lastest imformation.
Whether described distribution model modification module 12 can relate to the renewal of 10kV equipment earlier according to described lastest imformation, judge whether described lastest imformation relates to the edge device of described major network model, if do not relate to the edge device of described major network model, then can not do to upgrade to described distribution model and handle according to described lastest imformation.
If described lastest imformation relates to the edge device of described major network model, then described distribution model modification module 12 need judge whether the edge device of the major network model that upgrades is connected with described distribution model further according to the information of 10kV edge device corresponding on the contact branch road between described master, the distribution model.If then upgrade in the described distribution model information of corresponding edge device; If not, then can not do to upgrade processing to described distribution model according to described lastest imformation.
The operation that described distribution model modification module 12 is upgraded the information of edge device corresponding in the described distribution model comprises: when the node number of the edge device in the described major network model changes, and the then corresponding node number of revising edge device corresponding in the described distribution model.
Described distribution model modification module 12 also is used for the internal unit of described distribution model self is upgraded.When described major network model modification, the internal unit of described distribution model self also changes simultaneously, then this moment, described distribution model modification module 12 not only needed to revise the information of the edge device of described distribution model, and more will revise the information of internal unit, even need be to the modeling again of described distribution model.12 pairs of described distribution models of described distribution model modification module are again during modeling, after the edge device that upgrades described distribution model, again search for the edge device of described distribution model, then with the starting point of described edge device, to the modeling again of described distribution model as model.
Described major network model modification module 13 is upgraded the major network model that stores in the described distribution automation system according to the lastest imformation of the described major network model of described computing module 11 calculating acquisitions.
For example in described major network model, add new device model according to the increase facility information that comprises in the described lastest imformation; According to the information of the minimizing equipment that comprises in the described lastest imformation, delete existing some device model in the described major network model; And, revise node number of corresponding equipment model in the described major network model or the like according to the information that the device model node number that comprises in the described lastest imformation changes.Because 13 equipment component models that need upgrade described major network model of described major network model modification module according to described lastest imformation, and do not need whole described major network model is upgraded, therefore reduce the workload of described major network model modification, improved the operating efficiency of main distribution model splicing.
Compared with prior art, the main distribution model splicing system in the distribution automation system of the present invention has realized the problem of the integrated modeling of main distribution, has alleviated the workload of distribution modeling greatly, has also guaranteed the uniform data between the main distribution network systems.And, help being implemented in the described distribution automation system and carry out analysis decision according to the whole network model, improve the reasonability and the efficient of distribution automation system dispatching management.
In addition,, therefore reduce the workload of model splicing, improved the operating efficiency of main distribution model splicing because the main distribution model splicing system in the distribution automation system of the present invention need not the whole network model in the described distribution automation system is upgraded.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (10)
1. the main distribution model splicing method in the distribution automation system is characterized in that may further comprise the steps:
The major network model that stores in advance in major network model that the major network dispatch automated system is upgraded and the distribution automation system relatively calculates the lastest imformation of described major network model;
Judge whether comprise the edge device that is connected with the distribution model in the described lastest imformation, if then upgrade the information of edge device corresponding in the described distribution model, otherwise do not upgrade the information of described distribution model according to described lastest imformation;
Upgrade the major network model information that stores in the described distribution automation system according to described lastest imformation.
2. the main distribution model splicing method in the distribution automation system as claimed in claim 1 is characterized in that the step of upgrading the information of the edge device in the described distribution model comprises:
According to the node number information of the edge device of the major network model that comprises in the described lastest imformation, revise the node number of edge device corresponding in the described distribution model.
3. as the main distribution model splicing method in claim 1 or the 2 described distribution automation systems, it is characterized in that, further may further comprise the steps:
Major network model after the described major network dispatch automated system renewal is derived with the form of IEC61970CIM standard, and described major network model is sent to described distribution automation system by network.
4. as the main distribution model splicing method in claim 1 or the 2 described distribution automation systems, it is characterized in that: after the information of the edge device in upgrading described distribution model, further judge the lastest imformation that whether has described distribution model internal unit in the described distribution automation system, be then according to the lastest imformation of described internal unit and the lastest imformation of described edge device, to the modeling again of described distribution model.
5. as the main distribution model splicing method in claim 1 or the 2 described distribution automation systems, it is characterized in that: be the edge device of described major network model and described distribution model further the 10kV device definition on the contact branch road between described major network model and the described distribution model.
6. the main distribution model splicing system in the distribution automation system is characterized in that comprising:
Computing module is used for the major network model comparison that major network model that described major network dispatch automated system is upgraded and distribution automation system store in advance, calculates the lastest imformation of described major network model;
Distribution model modification module, be used for judging whether described lastest imformation comprises the edge device that is connected with described distribution model, if then upgrade the information of edge device corresponding in the described distribution model, otherwise do not upgrade the information of described distribution model according to described lastest imformation;
Major network model modification module is used for upgrading the major network model information that described distribution automation system stores according to described lastest imformation.
7. the main distribution model splicing system in the distribution automation system as claimed in claim 6, it is characterized in that: described distribution model modification module is obtained the node number information of the edge device on the contact branch road of described major network model and described distribution model, and, revise the node number of edge device corresponding in the described distribution model according to the node number lastest imformation of the edge device on described contact branch road.
8. as the main distribution model splicing system in claim 6 or the 7 described distribution automation systems, it is characterized in that: the main distribution model splicing system in the described distribution automation system further comprises communication module, major network model after described communication module is upgraded described major network dispatch automated system is derived with the form of IEC61970CIM standard, and described major network model is sent to described distribution automation system by network.
9. as the main distribution model splicing system in claim 6 or the 7 described distribution automation systems, it is characterized in that: after the information of the edge device of described distribution model modification module in upgrading described distribution model, further judge the lastest imformation that whether has described distribution model internal unit in the described distribution automation system, be then according to the lastest imformation of described internal unit and the lastest imformation of described edge device, to the modeling again of described distribution model.
10. as the main distribution model splicing system in claim 6 or the 7 described distribution automation systems, it is characterized in that: the edge device of described major network model and described distribution model is set at the 10kV equipment on the contact branch road between described major network model and the described distribution model.
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| CN108985601B (en) * | 2018-07-03 | 2022-03-18 | 国网江西省电力有限公司经济技术研究院 | Integrated management system for main network and distribution network |
| CN112214859A (en) * | 2020-09-15 | 2021-01-12 | 国网上海能源互联网研究院有限公司 | Integrated integration method and system for main network model and distribution network model |
| 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 |
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