CN104377819A - Flow control method for distribution network - Google Patents
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Abstract
本发明涉及一种配电网的流量控制方法，该方法包括：配电自动化服务器从GIS系统获取配网图模信息；所述配电自动化服务器从EMS获取主网模型；所述配电自动化服务器对所述主网模型与所述配网模型进行拼接，对所述主网模型与所述配网模型进行动态变化管理，根据所述主网模型与所述配网模型建立完整的配网分析应用模型；其中，所述配电自动化服务器与所述GIS系统、所述EMS系统的图模交换通过信息交换总线实现。本发明可通过配电自动化服务器对配网的流量数据进行监视，提高监控效率。
The present invention relates to a flow control method of a distribution network, the method comprising: a distribution automation server obtains distribution network diagram information from a GIS system; the distribution automation server obtains a main network model from an EMS; the distribution automation server Splicing the main network model and the distribution network model, performing dynamic change management on the main network model and the distribution network model, and establishing a complete distribution network analysis based on the main network model and the distribution network model Application model; wherein, the exchange of graphs and models between the distribution automation server and the GIS system and the EMS system is realized through an information exchange bus. The invention can monitor the flow data of the distribution network through the distribution automation server, thereby improving the monitoring efficiency.
Description
Technical Field
The invention relates to the technical field of power grids, in particular to a flow control method for a power distribution network.
Background
In the existing distribution network system, the technical research of China power distribution automation starts in the early nineties of the twentieth century, and the real development of test point projects and the engineering implementation in a larger range start from the middle and later stages of the nineties to the present. The manufacturing level of the distribution primary equipment, the distribution automation terminal and the distribution automation master station system is also rapidly improved, and a good equipment foundation is laid for the construction of distribution automation. The research on the analysis and optimization theory of the power distribution network is greatly improved, and a good theoretical basis is laid for the construction of power distribution automation. The construction and the transformation of the urban and rural power distribution network also obtain great achievements, the grid structure tends to be reasonable, and conditions are provided for further playing the role of the power distribution automation system.
Disclosure of Invention
The invention aims to provide a flow control method of a power distribution network, which monitors flow data of the power distribution network through a power distribution automation server and improves monitoring efficiency.
The embodiment of the invention provides a flow control method for a power distribution network, which comprises the following steps:
the distribution automation server acquires distribution network graph model information from a GIS system;
the distribution automation server acquires a main network model from EMS;
the distribution automation server splices the main network model and the distribution network model, dynamically changes and manages the flow of the main network model and the distribution network model, and establishes a complete distribution network analysis application model according to the main network model and the distribution network model; the graph-model exchange of the distribution automation server, the GIS system and the EMS system is realized through an information exchange bus.
The embodiment of the present invention further provides a system for controlling a flow rate of a power distribution network, which can implement the method for controlling a flow rate of a power distribution network according to the above technical solution, and the system includes: the system comprises a power distribution automation server, a GIS system and an EMS system; wherein,
the distribution automation server is used for acquiring distribution network graph model information from the GIS system; acquiring a main network model from EMS, splicing the main network model and the distribution network model, carrying out dynamic change management on the flow of the main network model and the distribution network model, and establishing a complete distribution network analysis application model according to the main network model and the distribution network model; the graph-model exchange of the distribution automation server, the GIS system and the EMS system is realized through an information exchange bus.
The flow control method of the power distribution network provided by the invention realizes the monitoring of the flow data of the distribution network by fusing the real-time data of the outgoing line of the main network SCADA system, the historical data of the user load of the marketing electricity acquisition system and the parameter data of the distribution network of the PMS under the condition that the real-time data of the feeder line is deficient when the power distribution SCADA system is not established, and the monitoring efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a flow control method for a power distribution network according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flow control system of a power distribution network according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of a flow control method for a power distribution network according to an embodiment of the present invention; as shown in fig. 1, the embodiment of the present invention includes the following steps:
step 101, a distribution automation server acquires distribution network graph model information from a GIS system;
step 102, the distribution automation server obtains a main network model from EMS;
103, splicing the main network model and the distribution network model by the distribution automation server, carrying out dynamic change management on the flow of the main network model and the distribution network model, and establishing a complete distribution network analysis application model according to the main network model and the distribution network model; the graph-model exchange of the distribution automation server, the GIS system and the EMS system is realized through an information exchange bus.
Further, the method further comprises:
maintaining 10kV distribution network graph model data through the GIS system, and leading out a model of a distribution network and a graph related to the model by the GIS system;
the distribution automation server receives a model of a distribution network derived from the GIS system and a graph related to the model through the information exchange bus, and converts the model of the distribution network and the graph related to the model onto the distribution automation server.
Further, the method further comprises:
deriving, by the EMS system, a model of the distribution network and a graph related to the model of the distribution network;
the distribution automation server receives upper-level grid graph model information derived from the EMS through the information exchange bus.
Further, the step of splicing the main network model and the distribution network model by the distribution automation server includes:
the distribution automation server acquires 10kV distribution network graph-model data and main network graph-model data through an information exchange bus;
and splicing the feeder line model and the in-station model on the graph-model library integrated platform.
The intelligent substation patrol system provided by the embodiment of the invention relies on a computer technology, an internet technology and a wireless communication technology, and realizes standardized customization of a substation patrol task, visual execution of patrol content and traceable query of patrol results in a patrol task information form. The inspection quality of the transformer substation is improved through technical means, the on-site safety is guaranteed, meanwhile, the working efficiency is improved, and the labor intensity is reduced.
In order to ensure the reliability of communication between the distribution automation server and the GIS system and the EMS system, the invention also arranges a protective layer (not shown in the figure) on the information exchange bus, the shell is made of metal material, such as steel, the surface of the shell is sprayed with an anti-corrosion coating, the anti-corrosion coating comprises a bonding bottom layer and an anti-oxidation surface layer, and the preparation method of the bonding bottom layer comprises the following steps: the weight components are as follows: 7 parts of nickel, 1 part of aluminum, 3 parts of silicon dioxide, 1 part of boron oxide, 2 parts of cobalt and 2 parts of chromium, and spraying the alloy powder by using a commercially available plasma spraying machine (such as a Prex-7700 type plasma spraying machine) to form a coating with the thickness of 0.15 mm; the preparation method of the anti-oxidation surface layer comprises the following steps: the alloy powder is prepared by spraying 9 parts of nickel and molybdenum, 6 parts of chromium, 5 parts of silicon, 2 parts of iron, 2 parts of nickel, 0.01 part of carbon, 0.01 part of sulfur, 0.01 part of phosphorus, 3 parts of cobalt, 1 part of silicon dioxide, 2 parts of aluminum oxide, 1 part of yttrium, 1 part of tungsten and 1 part of vanadium by using a commercially available plasma spraying machine (such as a Plaex-7700 type plasma spraying machine), wherein the thickness of the coating is 0.15 mm. The anti-corrosion coating is sprayed on the surface of the shell, so that the shell has strong anti-corrosion, anti-oxidation, anti-abrasion and high-temperature resistance, can not rust after being used for a long time, is stable in a severe working environment, and ensures that the information exchange bus can be normally used in the severe environment; in addition, experiments show that the coating can be used for more than 30 years, the bonding strength of the coating is 51 MPa, and the Rockwell 15N hardness of the surface of the coating is 87.
Fig. 2 is a schematic structural diagram of a flow control system of a power distribution network according to an embodiment of the present invention; as shown in fig. 2, the embodiment of the present invention includes:
a distribution automation server 21, a GIS system 22, and an EMS system 23; wherein,
the distribution automation server 21 is used for acquiring distribution network graph model information from the GIS system 22; acquiring a main network model from an EMS (energy management system) 23, splicing the main network model and the distribution network model, carrying out dynamic change management on the main network model and the distribution network model, and establishing a complete distribution network analysis application model according to the main network model and the distribution network model; the graph-model exchange between the distribution automation server 21 and the GIS system 22 and the EMS system 23 is realized through an information exchange bus.
Further, the distribution automation server maintains 10kV distribution network graph model data through the GIS system, the GIS system derives a model of a distribution network and a graph related to the model, receives the model of the distribution network and the graph related to the model from the GIS system through the information exchange bus, and converts the model of the distribution network and the graph related to the model onto the distribution automation server.
Further, the distribution automation server derives a model of the distribution network and a graph related to the model of the distribution network through the EMS system, and receives upper-level power grid graph model information derived from the EMS through the information exchange bus.
Furthermore, the distribution automation server obtains 10kV distribution network graph-model data and main graph-model data through an information exchange bus, and splicing of a feeder model and an in-station model is achieved on a graph-model library integrated platform.
Further, a protective layer is arranged on the information exchange bus, and an anti-corrosion coating is sprayed on the surface of the protective layer, wherein the anti-corrosion coating comprises a bonding bottom layer and an anti-oxidation surface layer, and the bonding bottom layer is composed of the following raw materials in parts by weight: 7 parts of nickel, 1 part of aluminum, 3 parts of silicon dioxide, 1 part of boron oxide, 2 parts of cobalt and 2 parts of chromium, wherein the thickness of the coating of the bonding bottom layer is 0.15 mm; the anti-oxidation layer comprises the following raw materials in parts by weight: the coating is made of alloy powder comprising, by weight, 9 parts of nickel and molybdenum, 6 parts of chromium, 5 parts of silicon, 2 parts of iron, 2 parts of nickel, 0.01 part of carbon, 0.01 part of sulfur, 0.01 part of phosphorus, 3 parts of cobalt, 1 part of silicon dioxide, 2 parts of aluminum oxide, 1 part of yttrium, 1 part of tungsten and 1 part of vanadium, and the thickness of the coating is 0.15 mm.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the embodiments can be implemented by hardware related to program instructions, and the program can be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A flow control method for a power distribution network, the method comprising:
the distribution automation server acquires distribution network graph model information from a GIS system;
the distribution automation server acquires a main network model from EMS;
the distribution automation server splices the main network model and the distribution network model, dynamically changes and manages the flow of the main network model and the distribution network model, and establishes a complete distribution network analysis application model according to the main network model and the distribution network model; the graph-model exchange of the distribution automation server, the GIS system and the EMS system is realized through an information exchange bus.
2. The method of claim 1, further comprising:
maintaining 10kV distribution network graph model data through the GIS system, and leading out a model of a distribution network and a graph related to the model by the GIS system;
the distribution automation server receives a model of a distribution network derived from the GIS system and a graph related to the model through the information exchange bus, and converts the model of the distribution network and the graph related to the model onto the distribution automation server.
3. The method of claim 1, further comprising:
deriving, by the EMS system, a model of the distribution network and a graph related to the model of the distribution network;
the distribution automation server receives upper-level grid graph model information derived from the EMS through the information exchange bus.
4. The method of claim 1, wherein the step of the distribution automation server stitching the master network model and the distribution network model comprises:
the distribution automation server acquires 10kV distribution network graph-model data and main network graph-model data through an information exchange bus;
and splicing the feeder line model and the in-station model on the graph-model library integrated platform.
5. The method according to any one of claims 1-4, further comprising:
the information exchange bus is provided with a protective layer, and an anti-corrosion coating is sprayed on the surface of the protective layer, wherein the anti-corrosion coating comprises a bonding bottom layer and an anti-oxidation surface layer, and the bonding bottom layer is composed of the following raw materials in parts by weight: 7 parts of nickel, 1 part of aluminum, 3 parts of silicon dioxide, 1 part of boron oxide, 2 parts of cobalt and 2 parts of chromium, wherein the thickness of the coating of the bonding bottom layer is 0.15 mm; the anti-oxidation layer comprises the following raw materials in parts by weight: the coating is made of alloy powder comprising, by weight, 9 parts of nickel and molybdenum, 6 parts of chromium, 5 parts of silicon, 2 parts of iron, 2 parts of nickel, 0.01 part of carbon, 0.01 part of sulfur, 0.01 part of phosphorus, 3 parts of cobalt, 1 part of silicon dioxide, 2 parts of aluminum oxide, 1 part of yttrium, 1 part of tungsten and 1 part of vanadium, and the thickness of the coating is 0.15 mm.
6. A flow control system for a power distribution network, the system comprising: the system comprises a power distribution automation server, a GIS system and an EMS system; wherein,
the distribution automation server is used for acquiring distribution network graph model information from the GIS system; acquiring a main network model from EMS, splicing the main network model and the distribution network model, carrying out dynamic change management on the flow of the main network model and the distribution network model, and establishing a complete distribution network analysis application model according to the main network model and the distribution network model; the graph-model exchange of the distribution automation server, the GIS system and the EMS system is realized through an information exchange bus.
7. The system of claim 6,
the distribution automation server maintains 10kV distribution network graph model data through the GIS system, the GIS system derives a model of a distribution network and a graph related to the model, receives the model of the distribution network derived from the GIS system and the graph related to the model through the information exchange bus, and converts the model of the distribution network and the graph related to the model onto the distribution automation server.
8. The system of claim 6,
the distribution automation server derives a model of the distribution network and a graph related to the model of the distribution network through the EMS system, and receives upper-level power grid graph model information derived from the EMS through the information exchange bus.
9. The system of claim 6,
the distribution automation server obtains 10kV distribution network graph-model data and main graph-model data through an information exchange bus, and splicing of a feeder line model and an in-station model is achieved on a graph-model library integrated platform.
10. The system according to any one of claims 6 to 9, wherein a protective layer is disposed on the information exchange bus, and a corrosion-resistant coating is sprayed on a surface of the protective layer, the corrosion-resistant coating comprises a bonding bottom layer and an oxidation-resistant surface layer, wherein the bonding bottom layer is composed of the following raw materials in parts by weight: 7 parts of nickel, 1 part of aluminum, 3 parts of silicon dioxide, 1 part of boron oxide, 2 parts of cobalt and 2 parts of chromium, wherein the thickness of the coating of the bonding bottom layer is 0.15 mm; the anti-oxidation layer comprises the following raw materials in parts by weight: the coating is made of alloy powder comprising, by weight, 9 parts of nickel and molybdenum, 6 parts of chromium, 5 parts of silicon, 2 parts of iron, 2 parts of nickel, 0.01 part of carbon, 0.01 part of sulfur, 0.01 part of phosphorus, 3 parts of cobalt, 1 part of silicon dioxide, 2 parts of aluminum oxide, 1 part of yttrium, 1 part of tungsten and 1 part of vanadium, and the thickness of the coating is 0.15 mm.
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| CN201410645007.9A CN104377819B (en) | 2014-11-15 | The flow control methods of power distribution network |
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| CN201410645007.9A CN104377819B (en) | 2014-11-15 | The flow control methods of power distribution network |
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| CN104377819A true CN104377819A (en) | 2015-02-25 |
| CN104377819B CN104377819B (en) | 2017-01-04 |
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| CN105375633A (en) * | 2015-12-01 | 2016-03-02 | 江苏省电力公司苏州供电公司 | Dynamic measurement information sharing method on the basis of power grid model |
| CN105607479A (en) * | 2016-01-22 | 2016-05-25 | 梅照付 | Gateway flow control method for intelligent power grid |
| CN105607480A (en) * | 2016-01-22 | 2016-05-25 | 梅照付 | Gateway flow control system for intelligent power grid |
| CN106708162A (en) * | 2017-01-18 | 2017-05-24 | 温州博远工业设计有限公司 | Static resource separation technology based on web request |
| CN111160795A (en) * | 2019-12-31 | 2020-05-15 | 国网安徽省电力有限公司芜湖供电公司 | A management system and method for lean assessment of distribution network diagram model changes and power outages |
| CN111222226A (en) * | 2019-12-25 | 2020-06-02 | 中国南方电网有限责任公司 | System and method for conversion and access from EMS to GIS model based on the perspective of dispatching application |
| CN111572293A (en) * | 2020-04-22 | 2020-08-25 | 北京龙卓科技有限公司 | Intelligent safety management system for tires |
| 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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Cited By (10)
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| CN105375633A (en) * | 2015-12-01 | 2016-03-02 | 江苏省电力公司苏州供电公司 | Dynamic measurement information sharing method on the basis of power grid model |
| CN105607479A (en) * | 2016-01-22 | 2016-05-25 | 梅照付 | Gateway flow control method for intelligent power grid |
| CN105607480A (en) * | 2016-01-22 | 2016-05-25 | 梅照付 | Gateway flow control system for intelligent power grid |
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| CN111572293A (en) * | 2020-04-22 | 2020-08-25 | 北京龙卓科技有限公司 | Intelligent safety management system for tires |
| 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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