CN105720688A - Identification method and system for chain-type network topology structure - Google Patents
Identification method and system for chain-type network topology structure Download PDFInfo
- Publication number
- CN105720688A CN105720688A CN201610143776.8A CN201610143776A CN105720688A CN 105720688 A CN105720688 A CN 105720688A CN 201610143776 A CN201610143776 A CN 201610143776A CN 105720688 A CN105720688 A CN 105720688A
- Authority
- CN
- China
- Prior art keywords
- node
- line section
- section node
- plant stand
- station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to an identification method and system for a chain-type network topology structure. The method comprises the steps as follows: a regional control layer sets an intermediate power station number constant value and a chain-type network power station sequence parameter constant value; the regional control layer determines the power station sequence on a chain-type network according to the chain-type network power station sequence parameter constant value; 220kV power stations in a substation area control layer report state information of a first node, a second node and a third node to the regional control layer respectively; a 500kV substation in the substation area control layer reports the state information of a line section node to the regional control layer; and the regional control layer identifies the topology structure of the chain-type network according to the state information, the power station sequence and the intermediate power station number constant value. By the scheme provided by the invention, the structure identification method and system can adapt to a network change and can effectively avoid a regional backup power automatic switching function failure caused by the network change.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to recognition methods and the system of a kind of chain type topological structure of electric.
Background technology
In the electrical network of large size city, owing to short circuit current exceeds standard, it is necessary to carry out partition running.And be connected often through 220kV chain structure electrical network (chain type electrical network) between Liang Ge 500kV transformer station subregion, normal 220kV chain structure electrical network open loop operation, when system side main transformer, bus or line fault trip, it is likely to result in multiple 220kV and 110kV plant stand no-voltage of entire station, causes large-area power-cuts.Generation in order to avoid such event, before primary system rack does not improve, it is necessary in 220kV chain structure electrical network installation area prepared auto restart (standby inlet wire automatic throw-in equipment), region and the time of fault outage can be reduced to a certain extent, improve customer power supply reliability.But for some current region prepared auto restarts, can only complete according to the fixed structure of simple chain type electrical network, when electric network composition changes, region backup power automatic switching function lost efficacy, the change of electrical network cannot be adapted to, therefore the key technology of region prepared auto restart is the topological structure how quickly identifying chain type electrical network, and adapts to the change of electrical network.
Summary of the invention
It is an object of the invention to provide the recognition methods of a kind of chain type topological structure of electric and system, adapt to the change of electrical network, it is possible to be prevented effectively from the region backup power automatic switching function caused because of electrical network change and lost efficacy.
The purpose of the present invention is achieved through the following technical solutions:
A kind of recognition methods of chain type topological structure of electric, using a 500kV transformer station in the two ends power supply of chain type electrical network as Region control layer, another 500kV transformer station in the power supply of described two ends and each 220kV plant stand on described chain type electrical network are as territory, station key-course, and described method includes:
Described Region control layer arranges middle plant stand number definite value and chain type electrical network plant stand sequence parameter definite value；
Described Region control layer determines the plant stand sequence on described chain type electrical network according to described chain type electrical network plant stand sequence parameter definite value；
Each described 220kV plant stand in the key-course of territory, described station report respectively primary nodal point, secondary nodal point, the 3rd node status information give described Region control layer, 500kV transformer station in the key-course of territory, described station reports the status information of a line section node to described Region control layer, wherein, described primary nodal point, described 3rd node are two line section nodes of corresponding 220kV plant stand, and described secondary nodal point is the mother/block switch section node of corresponding 220kV plant stand；
The primary nodal point that described Region control layer reports according to each described 220kV plant stand, secondary nodal point, the status information of the 3rd node, the status information of the line section node that the 500kV transformer station in the key-course of territory, described station reports, the status information of the line section node that the 500kV transformer station in described Region control layer provides, and the sequence of described plant stand, the topological structure of described chain type electrical network is identified by described middle plant stand number definite value, wherein, line section node corresponding to 500kV transformer station in described Region control layer is as start node, line section node corresponding to 500kV transformer station in the key-course of territory, described station is as end node.
A kind of identification system of chain type topological structure of electric, including Region control layer and territory, station key-course, described Region control layer includes a 500kV transformer station in the two ends power supply of chain type electrical network, territory, described station key-course includes another 500kV transformer station in the power supply of described two ends and each 220kV plant stand on described chain type electrical network, the 500kV transformer station of described Region control layer includes arranging module, processing module, identification module, nodal information provides module, each 220kV plant stand includes first reporting module respectively, the 500kV transformer station of territory, described station key-course includes second reporting module；
The described module that arranges is for arranging middle plant stand number definite value and chain type electrical network plant stand sequence parameter definite value；
Described processing module for determining the plant stand sequence on described chain type electrical network according to described chain type electrical network plant stand sequence parameter definite value；
Each described first reporting module be respectively used to report primary nodal point, secondary nodal point, the 3rd node status information to described Region control layer, described second reporting module is used for the status information reporting a line section node to described Region control layer, wherein, described primary nodal point, described 3rd node are two line section nodes of corresponding 220kV plant stand, and described secondary nodal point is the mother/block switch section node of corresponding 220kV plant stand；
The described identification module primary nodal point for reporting according to each described first reporting module, secondary nodal point, the status information of the 3rd node, the status information of the line section node that described second reporting module reports, and the sequence of described plant stand, the topological structure of described chain type electrical network is identified by described middle plant stand number definite value, wherein, module is provided to provide the status information of a line section node by described nodal information, line section node corresponding to 500kV transformer station in described Region control layer is as start node, line section node corresponding to 500kV transformer station in the key-course of territory, described station is as end node.
Scheme according to the invention described above, it is as Region control layer using a 500kV transformer station in the two ends power supply of chain type electrical network, another 500kV transformer station in the power supply of described two ends and each 220kV plant stand on described chain type electrical network are as territory, station key-course, described Region control layer arranges middle plant stand number definite value and chain type electrical network plant stand sequence parameter definite value, determine the plant stand sequence on described chain type electrical network according to this chain type electrical network plant stand sequence parameter definite value, and determine the nodes on chain type electrical network according to this chain type electrical network plant stand sequence parameter definite value；Each described 220kV plant stand in the key-course of territory, described station reports the status information of three nodes to described Region control layer respectively, 500kV transformer station in the key-course of territory, described station reports the status information of a line section node to described Region control layer, the node status information that described Region control layer reports according to each described 220kV plant stand and the 500kV transformer station stood in the key-course of territory reports, and the sequence of described plant stand, the topological structure of described chain type electrical network is identified by described middle plant stand number definite value, owing to being provided with middle plant stand number definite value, and the topological structure of described chain type electrical network is identified being based on the node status information that each described 220kV plant stand reports and the 500kV transformer station stood in the key-course of territory reports, and the sequence of described plant stand, described middle plant stand number definite value, described nodes, therefore, can pass through the setting of plant stand quantity between the power supply of two ends on chain type electrical network (middle plant stand number definite value) is adapted to flexibly the chain type electrical network of different length, adapt to the change of electrical network, the region backup power automatic switching function caused because of electrical network change can be prevented effectively from lost efficacy.
Accompanying drawing explanation
Fig. 1 be the recognition methods embodiment of the chain type topological structure of electric of the present invention realize schematic flow sheet；
Fig. 2 is the schematic diagram of the 220kV chain structure electrical network in a concrete example；
Fig. 3 be the mode of the status information of the determination line section node in an embodiment wherein realize schematic flow sheet；
Fig. 4 is the structural representation of an embodiment of the identification structure of the chain type topological structure of electric of the present invention；
Fig. 5 is the 500kV transformer station of the Region control layer in Fig. 4 and stand the 500kV transformer station in the key-course of territory and the refined structure schematic diagram in a 220kV plant stand embodiment wherein；
Fig. 6 is the 500kV transformer station of the Region control layer in Fig. 4 and stand the 500kV transformer station in the key-course of territory and the refined structure schematic diagram in 220kV plant stand another embodiment wherein；
Fig. 7 is the refined structure schematic diagram in the embodiment wherein of the primary nodal point state determining module in Fig. 6.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that detailed description of the invention described herein is only in order to explain the present invention, does not limit protection scope of the present invention.
In the following description, the embodiment first against the recognition methods of the chain type topological structure of electric of the present invention illustrates, more each embodiment of the identification system of the chain type topological structure of electric of the present invention is illustrated.
The embodiment of the present invention provides the recognition methods of a kind of chain type topological structure of electric, be using a 500kV transformer station in the two ends power supply of chain type electrical network as Region control layer, another 500kV transformer station in the power supply of described two ends and each 220kV plant stand on described chain type electrical network as station territory key-course.Shown in Figure 1, for the present invention chain type topological structure of electric recognition methods embodiment realize schematic flow sheet.As it is shown in figure 1, the recognition methods of the chain type topological structure of electric in the present embodiment includes:
Step S101: described Region control layer arranges middle plant stand number definite value and chain type electrical network plant stand sequence parameter definite value；
Here, described middle plant stand number definite value characterizes the quantity of the plant stand on chain type electrical network between the power supply of two ends, arranges according to the situation of actual chain type electrical network；
Here, chain type electrical network plant stand sequence parameter definite value characterizes the ranking value of the plant stand on chain type electrical network；
Step S102: described Region control layer determines the plant stand sequence on described chain type electrical network according to described chain type electrical network plant stand sequence parameter definite value；
Specifically, according to the size of described chain type electrical network plant stand sequence parameter definite value, plant stand each on chain type electrical network can be ranked up, obtain the plant stand sequence on described chain type electrical network, additionally, can also sort according to described chain type electrical network plant stand sequence parameter definite value or described plant stand and determine maximum middle plant stand number, determining the nodes on chain type electrical network further according to 3n+2, wherein, n represents maximum middle plant stand number；
Step S103: each described 220kV plant stand in the key-course of territory, described station report respectively primary nodal point, secondary nodal point, the 3rd node status information give described Region control layer, 500kV transformer station in the key-course of territory, described station reports the status information of a line section node to described Region control layer, wherein, described primary nodal point, described 3rd node are two line section nodes of corresponding 220kV plant stand, and described secondary nodal point is the mother/block switch section node of corresponding 220kV plant stand；
Specifically, in chain type electrical network, each 220kV plant stand is sent 3 node (primary nodal points, secondary nodal point, 3rd node) status information to Region control layer, wherein, primary nodal point, 3rd node is two line section nodes of corresponding 220kV plant stand, each line section node is made up of the double-circuit line between Liang Ge transformer station, described secondary nodal point is the mother/block switch section node of corresponding 220kV plant stand, mother/block switch section node is made up of mother or block switch, here mother/block switch section node refers to bus connection switch section node or block switch section node, stood for 1 (or being called 220kV plant stand 1) for the 220kV in Fig. 2, its primary nodal point is the section 1 (or being called line section 1) on the left of it, its secondary nodal point is the section 2 (or being called line section 2) on the right side of it；
Each described 220kV plant stand in the key-course of territory, described station report respectively primary nodal point, secondary nodal point, the 3rd node status information to before described Region control layer, need first to obtain the status information of primary nodal point, secondary nodal point, the 3rd node, for this, the recognition methods of the chain type topological structure of electric in an embodiment wherein, before above-mentioned steps S101, also include: each described 220kV plant stand in the key-course of territory, described station determines the status information of the line section node of each correspondence respectively according to default line section node state decision logic；
Specifically, as it is shown on figure 3, the step that each described 220kV plant stand in the key-course of territory, described station determines the status information of each line section node of correspondence respectively according to default line section node state decision logic may include that
Step S201: each described 220kV plant stand in the key-course of territory, described station identifies the state of each circuit in our station respectively；
Specifically, it is possible to the state recognition of each for our station circuit is " RUN ", " maintenance ", " can throw ", " can not throw " four states by the definition of prepared auto restart traditionally；
Step S202: each described 220kV plant stand in the key-course of territory, described station is respectively provided with the line combination of each line section node of correspondence；
Specifically, circuit each in our station is grouped by each described 220kV plant stand respectively according to line section node, it is thus achieved that the line combination of corresponding each line section node；
Step S203: each line combination according to the state of circuit each in our station and correspondence respectively of each described 220kV plant stand in the key-course of territory, described station, determines the status information of each line section node of correspondence according to default line section node state decision logic；
Wherein, described line section node state decision logic is:
If 1. having at least a circuit in current line section node in running status, then this current line section node is running status；
Here, current line section node is the line section node being currently needed for judgement state；
If 2. in current line section node, all circuits are in inspecting state, then this current line section node is inspecting state；
If 3. in current line section node, except the circuit being in inspecting state, other all circuits are all to throw state, then this current line section node is for can throw state；
If 4. current line section node be not running status, inspecting state, can any one state in throwing state, then current line section node is for can not throw state.
The recognition methods of the chain type topological structure of electric in an embodiment wherein, before above-mentioned steps S101, also include: each described 220kV plant stand in the key-course of territory, described station identifies the state of each mother/block switch in our station respectively, and state according to mother/block switch each in our station respectively, the status information of the mother/block switch section node of correspondence is determined according to default mother/block switch section node decision logic；
Specifically, it is possible to the state recognition of each for our station mother/block switch is " RUN ", " maintenance ", " can throw ", " can not throw " four states by the definition of prepared auto restart traditionally；
Wherein, described mother/block switch section node decision logic is:
If 1. having at least two mother/block switches to be in point position or maintenance, and have at least one can the standby mother/block switch thrown, then corresponding mother/block switch section node is for can throw state；
If 2. the mother of correspondence/block switch section node is not to throw state, then this mother/block switch section node is running status.
In the present embodiment, being left out the inspecting state of mother/block switch section node, overhauling if being because mother/block switch section node, chain type electrical network can throw node without other, and this time domain prepared auto restart does not possess operation condition, therefore without the concern for.
Step S104: the primary nodal point that described Region control layer reports according to each described 220kV plant stand, secondary nodal point, the status information of the 3rd node, the status information of the line section node that the 500kV transformer station in the key-course of territory, described station reports, the status information of the line section node that the 500kV transformer station in described Region control layer provides, and the sequence of described plant stand, the topological structure of described chain type electrical network is identified by described middle plant stand number definite value, wherein, line section node corresponding to 500kV transformer station in described Region control layer is as start node, line section node corresponding to 500kV transformer station in the key-course of territory, described station is as end node.
Specifically, the node sequencing of node to be searched can be determined according to the sequence of described plant stand and described middle plant stand number definite value, node searching is carried out from described start node based on this node sequencing, and record the status information of the node searched, end node is directly arrived when completing the search of each node of n-th 220kV plant stand, here, N represents middle plant stand number definite value, it is thus achieved that the topological structure of described chain type electrical network.Adopting in this way, the node of each 220kV plant stand after n-th 220kV plant stand need not scan for again, therefore, it can adapt to the change of electric network composition.
Wherein, the status information of a line section node that the 500kV transformer station in the key-course of territory reports of standing is determined according to above-mentioned line section node state decision logic, the status information of the line section node that the 500kV transformer station in Region control layer provides is determined also according to above-mentioned line section node state decision logic, does not repeat them here.
Illustrate for the 220kV chain structure electrical network in Fig. 2 below.500kV station B is the 500kV transformer station in the key-course of territory, station, and 500kV station A is the 500kV transformer station in Region control layer,
500kV stands B: the line section node decision logic (namely above-mentioned line section node state decision logic) that this 220kV line section standing on chain type electrical network is stood according to 220kV provides the status information of a line section node, and this line section node is as end node.
500kV stands A as the identification to chain type topological structure of electric of the Region control station, specifically:
The line section node decision logic (namely above-mentioned line section node state decision logic) that 500kV station A 220kV line section on chain type electrical network is stood according to 220kV provides the status information of a line section node, and this line section node is as start node.
Middle plant stand number definite value is set, it is determined that the 220kV plant stand number between the power supply of chain type electrical network two ends.
Determine the sequence of transformer station on chain type electrical network according to chain type power network topology plant stand sequence parameter definite value, and determine the nodes on chain type electrical network.
The Topology identification table of chain type electrical network is such as shown in institute's table 1.
Table 1: chain type topological structure of electric identification table
Stand (considering the situation of actual electric network, be that 5 settings can meet demand substantially by n maximum) containing n 220kV if a normal complete string is middle except the power supply of two ends, then this string node total number is 3n+2；Assume actual chain type electrical network such as Fig. 2, then n is equal to 4, and chain type electrical network has 14 nodes.Therefore " middle plant stand number " is set to 4, such as table 1, then without decision node 13,14,15 directly by node 12 to end node.
The each node status information sent on plant stand order combining station territory key-course according to chain type electrical network, identifies topological structure and the running status of chain structure electrical network.Such as the chain type electrical network described by Fig. 2 and Biao 1, then 14 node states on whole chain type electrical network are as shown in table 2, and therefore this chain type electrical network exists the open loop point that can throw in 220kV plant stand 1, and other nodes are in running status.
The each node state table of table 2: Fig. 2 chain type electrical network
Additionally, in order to prevent the primary nodal point of each described 220kV plant stand, the 3rd node sequence reverse, the recognition methods of the chain type topological structure of electric in an embodiment wherein can also include: each described 220kV plant stand in the key-course of territory, described station determines the described primary nodal point of correspondence, described 3rd node according to the sequence of described plant stand respectively.
Wherein, SDH (SynchronousDigitalHierarchy can be adopted between Region control layer and territory, station key-course, SDH) communication network 2M (SYV class radio frequency coaxial-cable, transfer rate 2Mbps) passage, traffic rate can ensure that in 1.667MS, between Region control layer and territory, station key-course, complete a secondary data exchange, so that it is guaranteed that Region control layer obtains the information of whole chain type electrical network in real time, when electric network fault causes substation power loss, region prepared auto restart can restore electricity in quick acting.
Accordingly, scheme according to above-described embodiment, it is as Region control layer using a 500kV transformer station in the two ends power supply of chain type electrical network, another 500kV transformer station in the power supply of described two ends and each 220kV plant stand on described chain type electrical network are as territory, station key-course, described Region control layer arranges middle plant stand number definite value and chain type electrical network plant stand sequence parameter definite value, determine the plant stand sequence on described chain type electrical network according to this chain type electrical network plant stand sequence parameter definite value, and determine the nodes on chain type electrical network according to this chain type electrical network plant stand sequence parameter definite value；Each described 220kV plant stand in the key-course of territory, described station reports the status information of three nodes to described Region control layer respectively, 500kV transformer station in the key-course of territory, described station reports the status information of a line section node to described Region control layer, the node status information that described Region control layer reports according to each described 220kV plant stand and the 500kV transformer station stood in the key-course of territory reports, and the sequence of described plant stand, the topological structure of described chain type electrical network is identified by described middle plant stand number definite value, owing to being provided with middle plant stand number definite value, and the topological structure of described chain type electrical network is identified being based on the node status information that each described 220kV plant stand reports and the 500kV transformer station stood in the key-course of territory reports, and the sequence of described plant stand, described middle plant stand number definite value, described nodes, therefore, can pass through the setting of plant stand quantity between the power supply of two ends on chain type electrical network (middle plant stand number definite value) is adapted to flexibly the chain type electrical network of different length, adapt to the change of electrical network, the region backup power automatic switching function caused because of electrical network change can be prevented effectively from lost efficacy.
The recognition methods of the chain type topological structure of electric according to the invention described above, the present invention also provides for the identification system of a kind of chain type topological structure of electric, and the embodiment with regard to the identification system of the chain type topological structure of electric of the present invention is described in detail below.Fig. 4 has illustrated the structural representation of the embodiment of the identification system of the chain type topological structure of electric of the present invention.For the ease of illustrating, merely illustrate part related to the present invention in the diagram.
As shown in Figure 4, the identification system of the chain type topological structure of electric of the present embodiment, including Region control layer 30 and territory, station key-course 40, Region control layer 30 includes a 500kV transformer station 301 in the two ends power supply of chain type electrical network, territory key-course of standing includes another 500kV transformer station 401 in the power supply of two ends and each 220kV plant stand 402 on chain type electrical network, as shown in Figure 5, the 500kV transformer station 301 of Region control layer includes arranging module 501, processing module 502, identification module 503, nodal information provides module 504, each 220kV plant stand 402 includes first reporting module 505 respectively, the stand 500kV transformer station 401 of territory key-course 40 includes second reporting module 506；
Module 501 is set for arranging middle plant stand number definite value and chain type electrical network plant stand sequence parameter definite value；
Processing module 502 for determining the plant stand sequence on chain type electrical network according to chain type electrical network plant stand sequence parameter definite value；
Each first reporting module 505 be respectively used to report primary nodal point, secondary nodal point, the 3rd node status information to Region control layer, second reporting module 506 is used for the status information reporting a line section node to Region control layer, wherein, primary nodal point, the 3rd node are two line section nodes of corresponding 220kV plant stand, and secondary nodal point is the mother/block switch section node of corresponding 220kV plant stand；
Nodal information provides the status information of a module 504 line section node for providing；
The identification module 503 primary nodal point for reporting according to each first reporting module 505, secondary nodal point, the status information of the 3rd node, the status information of the line section node that the second reporting module 506 reports, nodal information provides status information and the sequence of described plant stand of a line section node of module 504 offer, the topological structure of described chain type electrical network is identified by described middle plant stand number definite value, wherein, line section node corresponding to 500kV transformer station in described Region control layer is as start node, line section node corresponding to 500kV transformer station in the key-course of territory, described station is as end node.
It should be noted that Fig. 5 and Fig. 6 illustrate only a 220kV plant stand 402, it is intended merely to rough schematic view, but is not limited to only include the situation of a 220kV plant stand 402.Other unshowned 220kV plant stands 402 also have the structure of the 220kV plant stand 402 shown in Fig. 5 and Fig. 6.
Wherein in an embodiment, as shown in Figure 6, each 220kV plant stand 402 can also include respectively:
Node sequence determines module 507, for determining the primary nodal point of correspondence, the 3rd node according to plant stand sequence.
Wherein in an embodiment, as shown in Figure 6, each 220kV plant stand 402 can also include respectively:
Primary nodal point state determining module 508, for determining the status information of the line section node of each correspondence according to default line section node state decision logic；
Wherein, line section node state decision logic is:
If having at least a circuit in current line section node in running status, then this current line section node is running status；
If all circuits are in inspecting state in current line section node, then this current line section node is inspecting state；
If except the circuit being in inspecting state, other all circuits are all to throw state in current line section node, then this current line section node is for can throw state；
If current line section node be not running status, inspecting state, can any one state in throwing state, then current line section node is for can not throw state.
Wherein in an embodiment, as shown in Figure 6, primary nodal point state determining module 508 may include that
Identification of lines unit 601, for identifying the state of each circuit in our station respectively；
Unit 602 is set, for arranging the line combination of each line section node of correspondence；
Section node identifier unit 603, for each line combination of the state according to circuit each in our station and correspondence, determines the status information of each line section node of correspondence according to default line section node state decision logic.
Wherein in an embodiment, as shown in Figure 6, each 220kV plant stand 402 can also include respectively:
Secondary nodal point state determining module 509, for standing, each 220kV plant stand in the key-course of territory identifies the state of each mother/block switch in our station respectively, and state according to mother/block switch each in our station respectively, the status information of the mother/block switch section node of correspondence is determined according to default mother/block switch section node decision logic；
Wherein, mother/block switch section node decision logic is:
If our station having at least two mother/block switches be in point position or maintenance, and our station has at least one can the standby mother/block switch thrown, then corresponding mother/block switch section node is for can throw state；
If the mother of correspondence/block switch section node is not to throw state, then this mother/block switch section node is running status.
The recognition methods one_to_one corresponding of the identification system of the chain type topological structure of electric of the present invention and the chain type topological structure of electric of the present invention, above-mentioned chain type topological structure of electric recognition methods embodiment set forth technical characteristic and beneficial effect all suitable in the embodiment of the identification system of chain type topological structure of electric, hereby give notice that.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the recognition methods of a chain type topological structure of electric, it is characterized in that, using a 500kV transformer station in the two ends power supply of chain type electrical network as Region control layer, another 500kV transformer station in the power supply of described two ends and each 220kV plant stand on described chain type electrical network are as territory, station key-course, and described method includes:
Described Region control layer arranges middle plant stand number definite value and chain type electrical network plant stand sequence parameter definite value；
Described Region control layer determines the plant stand sequence on described chain type electrical network according to described chain type electrical network plant stand sequence parameter definite value；
Each described 220kV plant stand in the key-course of territory, described station report respectively primary nodal point, secondary nodal point, the 3rd node status information give described Region control layer, 500kV transformer station in the key-course of territory, described station reports the status information of a line section node to described Region control layer, wherein, described primary nodal point, described 3rd node are two line section nodes of corresponding 220kV plant stand, and described secondary nodal point is the mother/block switch section node of corresponding 220kV plant stand；
The primary nodal point that described Region control layer reports according to each described 220kV plant stand, secondary nodal point, the status information of the 3rd node, the status information of the line section node that the 500kV transformer station in the key-course of territory, described station reports, the status information of the line section node that the 500kV transformer station in described Region control layer provides, and the sequence of described plant stand, the topological structure of described chain type electrical network is identified by described middle plant stand number definite value, wherein, line section node corresponding to 500kV transformer station in described Region control layer is as start node, line section node corresponding to 500kV transformer station in the key-course of territory, described station is as end node.
2. the recognition methods of chain type topological structure of electric according to claim 1, it is characterised in that also include:
Each described 220kV plant stand in the key-course of territory, described station determines the described primary nodal point of correspondence, described 3rd node according to the sequence of described plant stand respectively.
3. the recognition methods of chain type topological structure of electric according to claim 1, it is characterised in that also include:
Each described 220kV plant stand in the key-course of territory, described station determines the status information of the line section node of each correspondence respectively according to default line section node state decision logic；
Wherein, described line section node state decision logic is:
If having at least a circuit in current line section node in running status, then this current line section node is running status；
If all circuits are in inspecting state in current line section node, then this current line section node is inspecting state；
If except the circuit being in inspecting state, other all circuits are all to throw shape in current line section node, then this current line section node is for can throw state；
If current line section node be not running status, inspecting state, can any one state in throwing state, then current line section node is for can not throw state.
4. the recognition methods of chain type topological structure of electric according to claim 3, it is characterized in that, each described 220kV plant stand in the key-course of territory, described station determines that the step of the status information of each line section node of correspondence includes respectively according to default line section node state decision logic:
Each described 220kV plant stand in the key-course of territory, described station identifies the state of each circuit in our station respectively；
Each described 220kV plant stand in the key-course of territory, described station is respectively provided with the line combination of each line section node of correspondence；
Each described 220kV plant stand in the key-course of territory, described station each line combination according to the state of circuit each in our station and correspondence respectively, determines the status information of each line section node of correspondence according to default line section node state decision logic.
5. the region according to claim 1 prepared auto restart recognition methods to chain type topological structure of electric, it is characterised in that also include:
Each described 220kV plant stand in the key-course of territory, described station identifies the state of each mother/block switch in our station respectively, and state according to mother/block switch each in our station respectively, the status information of the mother/block switch section node of correspondence is determined according to default mother/block switch section node decision logic；
Wherein, described mother/block switch section node decision logic is:
If having at least two mother/block switches to be in point position or maintenance, and have at least one can the standby mother/block switch thrown, then corresponding mother/block switch section node is for can throw state；
If the mother of correspondence/block switch section node is not to throw state, then this mother/block switch section node is running status.
6. the identification system of a chain type topological structure of electric, it is characterized in that, including Region control layer and territory, station key-course, described Region control layer includes a 500kV transformer station in the two ends power supply of chain type electrical network, territory, described station key-course includes another 500kV transformer station in the power supply of described two ends and each 220kV plant stand on described chain type electrical network, the 500kV transformer station of described Region control layer includes arranging module, processing module, identification module, nodal information provides module, each 220kV plant stand includes first reporting module respectively, the 500kV transformer station of territory, described station key-course includes second reporting module；
The described module that arranges is for arranging middle plant stand number definite value and chain type electrical network plant stand sequence parameter definite value；
Described processing module for determining the plant stand sequence on described chain type electrical network according to described chain type electrical network plant stand sequence parameter definite value；
Each described first reporting module be respectively used to report primary nodal point, secondary nodal point, the 3rd node status information to described Region control layer, described second reporting module is used for the status information reporting a line section node to described Region control layer, wherein, described primary nodal point, described 3rd node are two line section nodes of corresponding 220kV plant stand, and described secondary nodal point is the mother/block switch section node of corresponding 220kV plant stand；
Described nodal information provides the status information of a module line section node for providing；
The described identification module primary nodal point for reporting according to each described first reporting module, secondary nodal point, the status information of the 3rd node, the status information of the line section node that described second reporting module reports, described nodal information provides status information and the sequence of described plant stand of a line section node of module offer, the topological structure of described chain type electrical network is identified by described middle plant stand number definite value, wherein, module is provided to provide the status information of a line section node by described nodal information, line section node corresponding to 500kV transformer station in described Region control layer is as start node, line section node corresponding to 500kV transformer station in the key-course of territory, described station is as end node.
7. the identification system of chain type topological structure of electric according to claim 6, it is characterised in that each 220kV plant stand respectively further comprises:
Node sequence determines module, for determining the described primary nodal point of correspondence, described 3rd node according to the sequence of described plant stand.
8. the identification system of chain type topological structure of electric according to claim 6, it is characterised in that each 220kV plant stand respectively further comprises:
Primary nodal point state determining module, for determining the status information of the line section node of each correspondence according to default line section node state decision logic；
Wherein, described line section node state decision logic is:
If having at least a circuit in current line section node in running status, then this current line section node is running status；
If all circuits are in inspecting state in current line section node, then this current line section node is inspecting state；
If except the circuit being in inspecting state, other all circuits are all to throw state in current line section node, then this current line section node is for can throw state；
If current line section node be not running status, inspecting state, can any one state in throwing state, then current line section node is for can not throw state.
9. the identification system of chain type topological structure of electric according to claim 7, it is characterised in that described primary nodal point state determining module includes:
Identification of lines unit, for identifying the state of each circuit in our station respectively；
Unit is set, for arranging the line combination of each line section node of correspondence；
Section node identifier unit, for each line combination of the state according to circuit each in our station and correspondence, determines the status information of each line section node of correspondence according to default line section node state decision logic.
10. the region according to claim 6 prepared auto restart identification system to chain type topological structure of electric, each 220kV plant stand respectively further comprises:
Secondary nodal point state determining module, the state of each mother/block switch in our station is identified respectively for each described 220kV plant stand in the key-course of territory, described station, and state according to mother/block switch each in our station respectively, the status information of the mother/block switch section node of correspondence is determined according to default mother/block switch section node decision logic；
Wherein, described mother/block switch section node decision logic is:
If our station having at least two mother/block switches be in point position or maintenance, and our station has at least one can the standby mother/block switch thrown, then corresponding mother/block switch section node is for can throw state；
If the mother of correspondence/block switch section node is not to throw state, then this mother/block switch section node is running status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610143776.8A CN105720688B (en) | 2016-03-14 | 2016-03-14 | The recognition methods of chain type topological structure of electric and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610143776.8A CN105720688B (en) | 2016-03-14 | 2016-03-14 | The recognition methods of chain type topological structure of electric and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105720688A true CN105720688A (en) | 2016-06-29 |
| CN105720688B CN105720688B (en) | 2018-03-27 |
Family
ID=56157635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610143776.8A Active CN105720688B (en) | 2016-03-14 | 2016-03-14 | The recognition methods of chain type topological structure of electric and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105720688B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861384A (en) * | 2018-12-06 | 2019-06-07 | 国网天津市电力公司 | 220kV topological structure of electric real-time automatic tracking recognition methods |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2398128A2 (en) * | 2010-06-21 | 2011-12-21 | General Electric Company | System and method for control of power distribution networks |
| CN103280894A (en) * | 2013-06-14 | 2013-09-04 | 山东理工大学 | Power distribution network control application network topology automatic identifying method |
| CN104716745A (en) * | 2015-04-02 | 2015-06-17 | 国家电网公司 | Topology generation method and topology generation system oriented to power distribution automation terminals |
-
2016
- 2016-03-14 CN CN201610143776.8A patent/CN105720688B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2398128A2 (en) * | 2010-06-21 | 2011-12-21 | General Electric Company | System and method for control of power distribution networks |
| CN103280894A (en) * | 2013-06-14 | 2013-09-04 | 山东理工大学 | Power distribution network control application network topology automatic identifying method |
| CN104716745A (en) * | 2015-04-02 | 2015-06-17 | 国家电网公司 | Topology generation method and topology generation system oriented to power distribution automation terminals |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861384A (en) * | 2018-12-06 | 2019-06-07 | 国网天津市电力公司 | 220kV topological structure of electric real-time automatic tracking recognition methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105720688B (en) | 2018-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103840439B (en) | Main website coordinates the power distribution automation guard method realized with distributed terminal | |
| CN103376348B (en) | Control the method for fault current in for the system of electric power monitoring system | |
| CN104518564A (en) | Backup automatic switching apparatus with area automatic switching function, and backup automatic switching method | |
| CN107846015A (en) | Intelligent distribution network load transfer optimal route selection method based on peer-to-peer communication | |
| CN104103019A (en) | Operation risk assessment method and assessment system of power distribution network containing distributed power supply | |
| CN111030058A (en) | Power distribution network partition protection method based on 5G communication | |
| CN110120664A (en) | A kind of reliable urban power distribution network grid structure of intelligence | |
| CN104795897B (en) | The configurable relay protecting method of intelligent substation and system | |
| CN103473712A (en) | Method for establishing distribution network failure effect analysis sheet | |
| CN109768544B (en) | Regional power grid load transfer method | |
| CN103166308B (en) | A kind of bus differential protection locking prepared auto restart loop | |
| Billinton et al. | Reliability evaluation in distribution and transmission systems | |
| CN207440228U (en) | A kind of feeder line fault on-line monitoring system | |
| CN106208351B (en) | Region spare power automatic switching system connection cuts the method and system of small power supply | |
| CN104600833B (en) | Method and system for determining spare power automatic switching on-off combination | |
| CN104201766B (en) | The method determining prepared auto restart sequential and combination is followed the trail of based on power supply point | |
| CN105391030A (en) | Planned island division method through load gradual loading and aggregation based on network topology structure | |
| CN105720688A (en) | Identification method and system for chain-type network topology structure | |
| CN113964816A (en) | Analysis method for distribution network feeder line fault self-healing rate | |
| CN104283220B (en) | A kind of intelligent network distribution connection cuts automated system and its implementation | |
| CN104124749B (en) | The dual-ring network distribution line failure processing method that prepared auto restart coordinates with power distribution automation | |
| CN210780224U (en) | Distribution network fault self-healing device | |
| CN107528777A (en) | A kind of flexible exchanging network fault recovery method of load balancing | |
| CN209417204U (en) | A kind of district cable fault detection system | |
| CN113872160A (en) | Distributed power source linkage switching system of power distribution network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
|
| TR01 | Transfer of patent right |