CN103617318A - Method for modeling distribution automation power grid - Google Patents
Method for modeling distribution automation power grid Download PDFInfo
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- CN103617318A CN103617318A CN201310609024.2A CN201310609024A CN103617318A CN 103617318 A CN103617318 A CN 103617318A CN 201310609024 A CN201310609024 A CN 201310609024A CN 103617318 A CN103617318 A CN 103617318A
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Abstract
The invention discloses a method for modeling a distribution automation power grid. The problems that the working amount is large and the efficiency is low in modeling work of a traditional power grid are solved. The method comprises the following processes of 1) configuring a three-remote template and 2) establishing a dotted line model, wherein the first process comprises the steps of 11) defining a measuring point library, 12) defining the three-remote template, 13) completing correlation of equipment and measuring points in an electrical wiring diagram; the second process comprises the steps of 21) establishing a meta model, 22) traversing equipment objects and recording head nodes, tail nodes and subscripts, 23) assigning from the nodes to the head node of a feeder segment if the type of the equipment for traversing the nodes is the feeder segment, and assigning from the nodes to the head node of a switch if the type of the equipment for traversing the nodes is the switch, 24) adding the type of the equipment to a mapping table. According to the method for modeling the distribution automation power grid, the three-remote configuration efficiency is improved through template configuration, the working amount is small, the modeling speed is high, and the topological searching efficiency of a power grid structure is high.
Description
Technical field
The present invention relates to a kind of digital power grid modeling method, specifically a kind of modeling method of power distribution automation electrical network, belongs to distribution automation system technical field.
Background technology
In electric system, first electric power entered the grid of Utilities Electric Co. by generating plant, at grid through long Distance Transmission, from transformer, become the power transmission network of next stage voltage, after transmission, from transformer, become the more power transmission network of next stage voltage again, finally enter the large user of each electric pressure, or become the mains voltage of 220V, enter average family.
Along with the development of electric system, the scope of electrical network and scale are in continuous expansion, and electric pressure is more and more; Electric network composition becomes increasingly complex.Build a rational electric network composition, make power construction that it may occur in can adaptive system evolution and some uncertain factor of load growth; Can be in technology, adapt to economically the needs of power system development; The objective base of safety and stability can be provided for electric system; Can making electric power system dispatching operations staff easily grasp and facilitate safety and the stable problem of disposal system, avoiding generation and the development of the whole network systematic failures, is the direction of electric power development.
Just because of the special status of electrical network in electric system guarantees electric power netting safe running and economical operation, avoid power grid accident, reduce one of most important work of electrical network electric energy loss ，Shi power grid enterprises.Guarantee power grid security economical operation, and according to circumstances improve electric network composition, first need to grasp comprehensively and accurately current operation of power networks situation.
According to common way, the mode of grasping electrical network situation is to collect a large amount of basic datas, is then aggregated into graphic data, or draws out electric network composition schematic diagram, in order to inquiry.
Because the equipment of electrical power distribution automatization system monitoring is multi-point and wide-ranging, power distribution network complexity is raise, existing electrical power distribution automatization system modeling scale is more much bigger than dispatch automated system, causes existing electrical power distribution automatization system modeling to have two problems: (1) modeling workload is large; (2) to the efficiency of topological retrieval, require high.
Summary of the invention
For overcoming the deficiency of above-mentioned prior art existence, the invention provides a kind of modeling method of power distribution automation electrical network, not only workload is little for it, modeling speed is fast, and electric network composition topological retrieval efficiency is high.
The present invention solves the technical scheme that its technical matters takes: a kind of modeling method of power distribution automation electrical network, it is characterized in that, and comprise following process:
1) configure three distant templates:
11) definition measuring point storehouse;
12) define three distant templates;
13) finishing equipment and measuring point associated on electric hookup;
2) build Point and Line Model:
21) build meta-model;
22) device object is traveled through, and record head and the tail node and subscript;
23) if the device type of traversal node is feeder line section, assignment is the first node to feeder line section to node, if the device type of traversal node is switch, assignment is the first node to switch to node;
24) add device type to mapping table.
In said method, in the process of described configuration three distant templates, if the template of the wiring of field apparatus and configuration is inconsistent, the configuration template of this equipment is modified.
In said method, the meta-model of described structure comprises to the tie point between line segment and switch is carried out node object modeling, the tie point between switch and switch is carried out node object modeling and the tie point between line segment and line segment is carried out to node object modeling.
The invention has the beneficial effects as follows, the present invention configures by templating, has improved three distant allocative efficiencys, and not only workload is little, modeling speed is fast, and electric network composition topological retrieval efficiency is high.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described:
Fig. 1 is method flow diagram of the present invention;
Fig. 2 is the construction procedures process flow diagram of Point and Line Model of the present invention;
Fig. 3 is an applicating flow chart of Point and Line Model of the present invention.
Embodiment
As shown in Figure 1, the modeling method of a kind of power distribution automation electrical network of the present invention, it comprises following process:
(1) definition measuring point storehouse;
(2) define three distant templates;
(3) finishing equipment and measuring point associated on electric hookup;
(4) build meta-model, the meta-model of described structure comprises the tie point between line segment and switch, between switch and switch, between line segment and line segment is carried out to node object modeling;
(5) device object is traveled through, and record head and the tail node and subscript;
(6) if the device type of traversal node is feeder line section, assignment is the first node to feeder line section to node, if the device type of traversal node is switch, assignment is the first node to switch to node;
(7) add device type to mapping table.
In said method, in the process of described configuration three distant templates, if the template of the wiring of field apparatus and configuration is inconsistent, the configuration template of this equipment is modified.
Fig. 2 is the construction procedures process flow diagram of Point and Line Model of the present invention.The structure of Point and Line Model is generally all relatively consuming time for the model initialization work of extensive power distribution network, and the Point and Line Model time complexity of foundation is 0(
).To each equipment, need to once travel through, and according to object end points, with binary chop algorithm or hash algorithm, detect corresponding tie point object, and in the corresponding construction of setting up.As shown in Figure 2, the building process of Point and Line Model is as follows:
(1) build meta-model;
(2) traversal device object, and record head and the tail node and subscript;
(3) inquiry subscript, if the device type of traversal node is feeder line section, assignment is the first node to feeder line section to node, if the device type of traversal node is switch, assignment is the first node to switch to node;
(4) add device type to mapping table;
(5) whether all nodes are carried out to assignment, if assignment, to tail node, has built, otherwise continue all the other nodes to carry out assignment.
Fig. 3 is an applicating flow chart of Point and Line Model of the present invention.The all fronts topology of a feeder line of take is below example, shows the use procedure of Point and Line Model.According to middle pressure feeder line ID, look for associated root object, for example power transformation outlet switch or root feeder line section object, take its node number as search starting point, sets the end condition of traversal for running into interconnection switch, otherwise continue next path.As shown in Figure 3, its process is as follows:
(1) traversal object;
(2) start node is added to storehouse;
(3) whether storehouse is empty, if it is power cut-off, otherwise enter next step;
(4) get first vertex ticks for accessing;
(5) by the next node pop down of present node affiliated partner;
(6) whether the device type of decision node is switch, if it is power cut-off, otherwise next path.
The present invention in building process, only need to set up the relation of each node object and feeder line section object at Point and Line Model, and whole band valency is relatively less, so the initialization time of model construction is also relatively less.The concrete application of the present invention (supply path search, completely topology) is general all only relevant with the regional area in total system model, need not access concrete region object in addition.Visible, Applicative time of the present invention has obtained greatly improving, simultaneously also more flexible.The present invention, by introducing three distant templating configuration and Point and Line Models, solves following two problems: (1) has mainly solved the technical matters of the auto-associating of template and equipment by three distant templating configurations; (2) searching algorithm mainly having solved by Point and Line Model and the correspondence establishment technical matters of Point and Line Model and physical device.
The above is the preferred embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications are also regarded as protection scope of the present invention.
Claims (3)
1. a modeling method for power distribution automation electrical network, is characterized in that, comprises following process:
1) configure three distant templates:
11) definition measuring point storehouse;
12) define three distant templates;
13) finishing equipment and measuring point associated on electric hookup;
2) build Point and Line Model:
21) build meta-model;
22) device object is traveled through, and record head and the tail node and subscript;
23) if the device type of traversal node is feeder line section, assignment is the first node to feeder line section to node, if the device type of traversal node is switch, assignment is the first node to switch to node;
24) add device type to mapping table.
2. the modeling method of a kind of power distribution automation electrical network according to claim 1, is characterized in that, in the process of described configuration three distant templates, if the template of the wiring of field apparatus and configuration is inconsistent, the configuration template of this equipment is modified.
3. the modeling method of a kind of power distribution automation electrical network according to claim 1, it is characterized in that, the meta-model of described structure comprises to the tie point between line segment and switch is carried out node object modeling, the tie point between switch and switch is carried out node object modeling and the tie point between line segment and line segment is carried out to node object modeling.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104156534A (en) * | 2014-08-19 | 2014-11-19 | 华北电力大学（保定） | Objectification power grid topology analysis method for generating black-start scheme |
| CN104617663A (en) * | 2014-12-27 | 2015-05-13 | 国网宁夏电力公司中卫供电公司 | Method and device for configuring attributes of three-remote signals in distribution network automation system |
| CN104967114A (en) * | 2015-06-01 | 2015-10-07 | 华南理工大学 | Power grid load real-time digital modeling method and system |
| CN110187210A (en) * | 2019-06-04 | 2019-08-30 | 沈阳城市建设学院 | A kind of electric automatization equipment automatic checkout system and detection method |
| CN111131150A (en) * | 2019-11-14 | 2020-05-08 | 珠海许继芝电网自动化有限公司 | Terminal self-registration method and device based on ubiquitous power Internet of things |
| CN112651109A (en) * | 2020-12-10 | 2021-04-13 | 国网福建省电力有限公司 | Symbolic-based on-site rapid modeling method |
| CN113051694A (en) * | 2021-03-26 | 2021-06-29 | 南京南瑞信息通信科技有限公司 | Power grid topology modeling method based on graph theory |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104156534A (en) * | 2014-08-19 | 2014-11-19 | 华北电力大学（保定） | Objectification power grid topology analysis method for generating black-start scheme |
| CN104156534B (en) * | 2014-08-19 | 2017-08-25 | 华北电力大学（保定） | The objectification power network topology analysis method generated for black-start scheme |
| CN104617663A (en) * | 2014-12-27 | 2015-05-13 | 国网宁夏电力公司中卫供电公司 | Method and device for configuring attributes of three-remote signals in distribution network automation system |
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| CN104967114A (en) * | 2015-06-01 | 2015-10-07 | 华南理工大学 | Power grid load real-time digital modeling method and system |
| CN110187210A (en) * | 2019-06-04 | 2019-08-30 | 沈阳城市建设学院 | A kind of electric automatization equipment automatic checkout system and detection method |
| CN111131150A (en) * | 2019-11-14 | 2020-05-08 | 珠海许继芝电网自动化有限公司 | Terminal self-registration method and device based on ubiquitous power Internet of things |
| CN112651109A (en) * | 2020-12-10 | 2021-04-13 | 国网福建省电力有限公司 | Symbolic-based on-site rapid modeling method |
| CN113051694A (en) * | 2021-03-26 | 2021-06-29 | 南京南瑞信息通信科技有限公司 | Power grid topology modeling method based on graph theory |
| CN113051694B (en) * | 2021-03-26 | 2021-12-17 | 南京南瑞信息通信科技有限公司 | Power grid topology modeling method based on graph theory |
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