CN111314135A - Power Dispatching Data Network - Google Patents

Abstract

The invention discloses a power dispatching data network. The power dispatching data network includes an access network, and each access network includes: a core layer, including at least one core node; a convergence layer, including at least one convergence node, a convergence node and a core node Interconnection; access layer, including at least one access node, the access node is connected to the aggregation node, and the access node is used to fetch the power dispatching data of the site and/or transmit the power dispatching data to the site, and the site includes a power plant and/or Substation. On the basis of the two-layer network structure of the core layer and the access layer in the prior art, a convergence layer is added to optimize the network structure, reduce the load rate of network equipment, improve network reliability, and improve the power dispatching data network. It is convenient to access new sites in the future, thereby solving the technical problem of the unreasonable network structure of the power dispatching data network in the prior art.

Description

Power Dispatching Data Network

technical field

The invention relates to the technical field of electric power dispatching data network, in particular, to an electric power dispatching data network.

Background technique

As shown in Figure 1, the current provincial adjustment access network and local adjustment access network are both core layer and access layer two-layer network structure, resulting in heavy load of network equipment at the core node of the access network, tight communication resources, and network structure. The reliability is poor, there are security risks, and the access capability of the access network factory station is low.

In addition, the communication channel of the access network is faulty and there is no backup communication channel, resulting in a low guarantee capability of the dispatching service channel, and thus cannot guarantee the safe and reliable operation of the power grid.

For the above problems, no effective solution has been proposed yet.

SUMMARY OF THE INVENTION

The embodiment of the present invention provides an electric power dispatching data network, so as to at least solve the technical problem that the network structure of the electric power dispatching data network in the prior art is unreasonable.

According to an aspect of the embodiments of the present invention, a power dispatching data network is provided, the power dispatching data network includes an access network, and each of the access networks includes: a core layer, including at least one core node; a convergence layer, including At least one aggregation node, the aggregation node is interconnected with the core node; the access layer includes at least one access node, the access node accesses the aggregation node, and the access node is used to call the site's Power dispatch data and/or transmission of power dispatch data to the sites, including power plants and/or substations.

Further, any one of the core nodes is interconnected with all the aggregation nodes, and any one of the access nodes accesses the two closest aggregation nodes.

Further, the core node is a core router, the aggregation node is an aggregation router, the aggregation router and the core router are interconnected through a link, and the access node includes an access router, a vertical encryption device, and an access node. The access router is connected to the aggregation router through a link, the vertical encryption device and the access router are respectively connected to the access switch, and the access switch is connected to the storage power of the site Device connection for scheduling data.

Further, the core nodes include a provincial adjustment core node and an earth adjustment core node, the convergence nodes include a provincial adjustment aggregation node and an earth adjustment aggregation node, and the access nodes include a provincial adjustment access node and an earth adjustment access node. , the access network includes: a provincial adjustment access network, including a provincial adjustment core node, a provincial adjustment convergence node and a provincial adjustment access node, the provincial adjustment convergence node is interconnected with the provincial adjustment core node, and the provincial adjustment aggregation node is interconnected. The access node is connected to the provincial adjustment aggregation node, and the provincial adjustment access network is used to retrieve the power scheduling data of the provincial adjustment access node or transmit the power scheduling data to the provincial adjustment access node; an access network, including a geo-tuning core node, a geo-tuning convergence node, and a geographical-tuning access node, the geographical-tuning core node and the geographical-tuning convergence node are interconnected, and the geographical-tuning access node is connected to the geographical-tuning convergence node node, where the geostationary access network is configured to retrieve the power scheduling data of the geostationary access node or transmit the power scheduling data to the geostationary access node.

Further, the power plants include 750kV power plants, 330kV power plants, 110kV power plants and 35kV power plants, the substations include 750kV substations, 330kV substations, 110kV substations and 35kV substations, the 750kV power plants and the 750kV substations Connect to the provincial transmission access node, the 330kV power plant and the 330kV substation are connected to the provincial transmission access node and the ground transmission access node, and the 110kV power plant and the 110kV substation are connected The ground adjustment access node, the 35kV power plant and the 35kV substation are connected to the ground adjustment access node.

Further, the power dispatching data network further includes: a first backbone network for connecting the provincial dispatching access network and the ground dispatching access network, any one of the ground dispatching core nodes and the provincial dispatching core Node interconnection, part of the interconnection between the core nodes of the ground adjustment.

Further, the access network further includes: a backup provincial adjustment access network, the backup provincial adjustment access network and the provincial adjustment access network have the same network structure and no communication connection is established; the backup provincial adjustment access network , the network structure of the backup access network is the same as the network structure of the access network and no communication connection is established.

Further, the power dispatching data network further includes: a second backbone network, the second backbone network has the same network structure as the first backbone network, and the second backbone network is used to periodically retrieve power dispatching data.

In the embodiment of the present invention, the power dispatching data network includes a core layer, a convergence layer and an access layer. On the basis of the two-layer network structure of the core layer and the access layer in the prior art, a convergence layer is added to optimize the network structure. , reduce the load rate of network equipment, improve network reliability, and improve the power dispatching data network's plant station access capability, which facilitates access to new sites in the future, thereby solving the unreasonable network structure of the prior art power dispatching data network. technical problem.

Description of drawings

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a schematic structural diagram of an access network according to the prior art;

FIG. 2 is a schematic structural diagram of an access network according to an embodiment of the present invention;

3 is a schematic structural diagram of a provincial adjustment access network according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a geolocation access network according to an embodiment of the present invention; and

FIG. 5 is a schematic structural diagram of a first backbone network according to an embodiment of the present invention.

Wherein, the above-mentioned drawings include the following reference signs:

10. Core layer; 11. Core node; 12. Provincial adjustment core node; 13. Geographic adjustment core node; 20. Convergence layer; 21. Convergence node; 22. Provincial adjustment aggregation node; access layer; 31, access node; 32, provincial adjustment access node; 33, ground adjustment access node.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

As described in the background art, the network structure of the power dispatching data network in the prior art is unreasonable. In order to solve this problem, according to the embodiments of the present application, a power dispatching data network is provided.

In a typical implementation of the present application, a power dispatching data network is provided. As shown in FIG. 2 , the above-mentioned power dispatching data network includes an access network, and each of the above-mentioned access networks includes:

The core layer 10 includes at least one core node 11;

The convergence layer 20 includes at least one convergence node 21, and the above-mentioned convergence node 21 and the above-mentioned core node 11 are interconnected;

The access layer 30 includes at least one access node 31, the access node 31 is connected to the aggregation node 21, and the access node 31 is used to fetch the power scheduling data of the site and/or transmit the power scheduling data to the site, The above sites include power plants and/or substations.

In the above-mentioned power dispatching data network, the power dispatching data network includes an access network, and each access network includes a core layer, a convergence layer and an access layer. On the basis of the two-layer network structure of the core layer and the access layer in the prior art , join the aggregation layer, thereby optimizing the network structure, reducing the load rate of network equipment, improving network reliability, and improving the site access capability of the power dispatching data network, which facilitates access to new sites in the future, thus solving the problem of power dispatching in the prior art. The technical problem of the unreasonable network structure of the data network.

In an embodiment of the present application, as shown in FIG. 2 , the core layer of an access network includes two core nodes, and the network devices of the two core nodes are placed in different computer rooms to prevent equipment failures in one computer room from causing The access network fails, thereby reducing security risks and improving network reliability.

In an embodiment of the present application, as shown in FIG. 2 , any one of the above-mentioned core nodes is interconnected with all of the above-mentioned aggregation nodes, and any one of the above-mentioned access nodes accesses the two above-mentioned aggregation nodes with the closest distance. The above connection method ensures that each core node can retrieve the power scheduling data of all the sites connected in the access network and/or transmit the power scheduling data to all the sites accessed in the access network, and in a network of aggregation nodes. In the event of a fault, the smooth transmission of power dispatching data is ensured, and the network reliability is further improved.

In an embodiment of the present application, the core node is a core router, the aggregation node is an aggregation router, the aggregation router and the core router are interconnected through a link, and the access node includes an access router, a vertical encryption device, and an access node. The access router is connected to the aggregation router through a link, the vertical encryption device and the access router are respectively connected to the access switch, and the access switch is connected to the equipment storing power scheduling data at the site. Specifically, 155M links are used for interconnection between core routers, 155M links are used for interconnection between aggregation routers and core routers, and 2M links are used for each access router to connect to the aggregation router, and the vertical encryption device can further ensure that Data Security.

In an embodiment of the present application, the above-mentioned core node 11 includes a provincial adjustment core node 12 and a geo-adjustment core node 13, the above-mentioned aggregation node 21 includes a provincial adjustment aggregation node 22 and a geo-adjustment aggregation node 23, and the above-mentioned access node 31 includes a provincial adjustment The adjustment access node 32 and the ground adjustment access node 33, the above-mentioned access network includes the provincial adjustment access network and the geographic adjustment access network, wherein, as shown in FIG. 3, the above-mentioned provincial adjustment access network includes the provincial adjustment core node 12 , the provincial adjustment convergence node 22 and the provincial adjustment access node 32, the above-mentioned provincial adjustment aggregation node 22 is interconnected with the above-mentioned provincial adjustment core node 12, the above-mentioned provincial adjustment access node 32 is connected to the above-mentioned provincial adjustment aggregation node 22, and the above-mentioned provincial adjustment access node 22 The network is used to fetch the power dispatch data of the above-mentioned provincial dispatch access node 32 or transmit the power dispatch data to the above-mentioned provincial dispatch access node 32; as shown in FIG. 4, the ground dispatch access network includes the ground dispatch core node 13, the ground dispatch The convergence node 23 and the ground adjustment access node 33, the ground adjustment core node 13 and the ground adjustment convergence node 23 are interconnected, the ground adjustment access node 33 is connected to the ground adjustment convergence node 23, and the ground adjustment access network is used for The power scheduling data of the above-mentioned geo-adjustment access node 33 is retrieved or the power dispatch data is transmitted to the above-mentioned geo-adjustment access node 33 . Specifically, both the provincial dispatch access network and the local dispatch access network have a three-layer structure of core layer, aggregation layer and access layer, which reduces the load rate of network equipment, improves network reliability, and improves the site access of the power dispatching data network. ability.

In the actual power dispatching data, the difference between the provincial dispatching access network and the ground dispatching access network is the difference in the access sites. In an embodiment of the present application, the above-mentioned power plants include 750kV power plants, 110kV power plants and 35kV power plants, the above-mentioned substations include 750kV substations, 330kV substations, 110kV substations and 35kV substations, the above-mentioned 750kV power plants and the above-mentioned 750kV substations are connected to the above-mentioned provincial transfer access nodes, and the above-mentioned 330kV power plants and the above-mentioned 330kV substations are connected to The above-mentioned provincial dispatch access node and the above-mentioned ground dispatch access node, the above-mentioned 110kV power plant and the above-mentioned 110kV substation are connected to the above-mentioned ground dispatch access node, and the above-mentioned 35kV power plant and the above-mentioned 35kV substation are connected to the above-mentioned ground dispatch access node. Specifically, high-power sites are connected to the provincial power supply network, which is convenient for large-scale power supply scheduling of the power grid according to power data, and low-power sites are connected to the ground power supply network, which is convenient for small-scale power supply scheduling according to power data. .

In an embodiment of the present application, as shown in FIG. 5 , the above-mentioned power dispatching data network further includes a first backbone network, which is used to connect the above-mentioned provincial dispatching access network and the above-mentioned ground dispatching access network, and any one of the above-mentioned ground dispatching cores The nodes 13 are interconnected with the above-mentioned provincial adjustment core nodes 12, and some of the above-mentioned ground adjustment core nodes 13 are interconnected. Specifically, the above-mentioned first backbone network connects the provincial power dispatching access network and the local power dispatching access network, so that the power dispatching data of each access network can communicate with each other, which facilitates the overall dispatching of the power dispatching data.

In an embodiment of the present application, the above-mentioned access network further includes a backup provincial adjustment access network and a backup local adjustment access network, wherein the backup provincial adjustment access network, the backup provincial adjustment access network is connected with the above provincial adjustment access network The network structure of the access network is the same and no communication connection is established; the backup geodetic access network has the same network structure as the above-mentioned geodetic access network and no communication connection is established. The above-mentioned standby provincial dispatch access network and standby ground dispatch access network can fully realize site dual access network coverage, provide two communication channels (active/standby dual channels) with different routes for various dispatching services, and improve dispatching business channel guarantee ability to ensure the safe and reliable operation of the power grid.

In an embodiment of the present application, the power dispatching data network further includes a second backbone network, the second backbone network has the same network structure as the first backbone network, and the second backbone network is used to periodically retrieve power dispatching data . Specifically, the second backbone network periodically fetches power dispatch data to provide data samples for research, and reasonably improve the power grid according to the research results.

The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages or disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. The device embodiments described above are only illustrative, for example, the division of the units may be a logical function division, and there may be other division methods in actual implementation, for example, multiple units or components may be combined or Integration into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of units or modules, and may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.

The integrated unit, if implemented in the form of a software functional unit and sold or used as an independent product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes .

From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:

In the power dispatching data network of the present application, the power dispatching data network includes a core layer, a convergence layer and an access layer. On the basis of the two-layer network structure of the core layer and the access layer in the prior art, a convergence layer is added to optimize the The network structure can reduce the load rate of network equipment, improve network reliability, and improve the power dispatching data network's plant station access capability, which facilitates access to new sites in the future, thereby solving the problem of the network structure of the power dispatching data network in the prior art. Reasonable technical question.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.

Claims (8)

1. A power dispatching data network, characterized in that the power dispatching data network comprises an access network, and each of the access networks comprises: The core layer, including at least one core node; a convergence layer, including at least one convergence node, the convergence node and the core node are interconnected; The access layer, including at least one access node, the access node is connected to the aggregation node, and the access node is used to fetch the power scheduling data of the site and/or transmit the power scheduling data to the site, so Such sites include power plants and/or substations. 2 . The power dispatching data network according to claim 1 , wherein any one of the core nodes is interconnected with all the aggregation nodes, and any one of the access nodes accesses the two closest nodes. 3 . sink node. 3 . The power dispatching data network according to claim 1 , wherein the core node is a core router, the aggregation node is an aggregation router, and the aggregation router and the core router are interconnected through a link, so the The access node includes an access router, a vertical encryption device, and an access switch, the access router is connected to the aggregation router through a link, and the vertical encryption device and the access router are respectively connected to the access switch. connected, the access switch is connected to a device of the site that stores power scheduling data. 4 . The power dispatching data network according to claim 1 , wherein the core nodes include a provincial adjustment core node and an earth adjustment core node, the convergence nodes include a provincial adjustment aggregation node and an earth adjustment aggregation node, and the The access node includes a provincial adjustment access node and a ground adjustment access node, and the access network includes: The provincial adjustment access network includes a provincial adjustment core node, a provincial adjustment aggregation node, and a provincial adjustment access node, the provincial adjustment aggregation node is interconnected with the provincial adjustment core node, and the provincial adjustment access node is connected to the provincial adjustment access node. adjusting the convergence node, the provincial power dispatching access network is used for fetching the power dispatching data of the provincial power dispatching access node or transmitting the power dispatching data to the provincial power dispatching access node; The geographic adjustment access network, including the geographic adjustment core node, the geographic adjustment convergence node and the geographic adjustment access node, the geographic adjustment core node and the geographic adjustment aggregation node are interconnected, and the geographic adjustment access node is connected to the geographic adjustment access node. A tune-up convergence node, where the geographic tuning access network is configured to fetch the power scheduling data of the geographic tuning access node or transmit the power scheduling data to the geographic tuning access node. 5. The power dispatching data network according to claim 4, wherein the power plants include 750kV power plants, 330kV power plants, 110kV power plants and 35kV power plants, and the substations include 750kV substations, 330kV substations, 110kV power plants Substation and 35kV substation, the 750kV power plant and the 750kV substation are connected to the provincial power transmission access node, and the 330kV power plant and the 330kV substation are connected to the provincial power transmission access node and the ground transfer connection The 110kV power plant and the 110kV substation are connected to the ground control access node, and the 35kV power plant and the 35kV substation are connected to the ground control access node. 6. The power dispatching data network according to claim 4, wherein the power dispatching data network further comprises: The first backbone network is used to connect the provincial adjustment access network and the geographic adjustment access network, any one of the geographic adjustment core nodes is interconnected with the provincial adjustment core node, and some of the geographic adjustment core nodes are connected between interconnected. 7. The power dispatching data network according to claim 4, wherein the access network further comprises: a backup provincial adjustment access network, the backup provincial adjustment access network has the same network structure as the provincial adjustment access network and does not establish a communication connection; A backup geodetic access network, the backup geodetic access network and the geodetic access network have the same network structure and no communication connection is established. 8. The power dispatching data network according to claim 6, wherein the power dispatching data network further comprises: A second backbone network, the second backbone network has the same network structure as the first backbone network, and the second backbone network is used to periodically fetch power scheduling data.

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