CN105720688B - The recognition methods of chain type topological structure of electric and system - Google Patents

The recognition methods of chain type topological structure of electric and system Download PDF

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Publication number
CN105720688B
CN105720688B CN201610143776.8A CN201610143776A CN105720688B CN 105720688 B CN105720688 B CN 105720688B CN 201610143776 A CN201610143776 A CN 201610143776A CN 105720688 B CN105720688 B CN 105720688B
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node
state
line section
chain type
section node
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CN105720688A (en
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刘金生
蔡莹
李晶
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Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangzhou Power Supply Bureau Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/12Discovery or management of network topologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • 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 present invention relates to a kind of recognition methods of chain type topological structure of electric and system, its method includes:Region control layer sets middle plant stand number definite value and chain type power network plant stand sequence parameter definite value;Region control layer determines that the plant stand on chain type power network sorts according to chain type power network plant stand sequence parameter definite value;Each 220kV plant stands stood in the key-course of domain report first node, section point, the status information of the 3rd node to give Region control layer respectively, and the 500kV transformer stations in domain key-course of standing report the status information of a line section node to give Region control layer;The topological structure of chain type power network is identified according to each status information and plant stand sequence, middle plant stand number definite value for Region control layer.Using the solution of the present invention, the change of power network is adapted to, it is possible to prevente effectively from the region backup power automatic switching function failure caused by power network changes.

Description

The recognition methods of chain type topological structure of electric and system
Technical field
The present invention relates to technical field of electric power, a kind of recognition methods more particularly to chain type topological structure of electric and it is System.
Background technology
In the power network of large size city, because short circuit current is exceeded, it is necessary to carry out partition running.And in two 500kV power transformations Stand and be connected often through 220kV chain structures power network (chain type power network) between subregion, normal 220kV chain structures power network open loop fortune OK, when system side main transformer, bus or line fault trip, it is possible to cause multiple 220kV and 110kV plant stands no-voltage of entire station, Cause large-area power-cuts.In order to avoid the generation of such event, before primary system rack does not improve, it is necessary in 220kV chains Installation area prepared auto restart (standby inlet wire automatic throw-in equipment), can reduce fault outage to a certain extent in formula structure power network Region and the time, improve customer power supply reliability.But, can only be according to simple chain type electricity for some current region prepared auto restarts The fixed structure of net is completed, and when electric network composition changes, the failure of region backup power automatic switching function, can not adapt to the change of power network, Therefore the key technology of region prepared auto restart is how quickly to identify the topological structure of chain type power network, and adapts to the change of power network Change.
The content of the invention
It is an object of the invention to provide a kind of recognition methods of chain type topological structure of electric and system, power network is adapted to Change, it is possible to prevente effectively from the region backup power automatic switching function failure caused by power network changes.
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, by a 500kV power transformation in the both ends power supply of chain type power network Stand and be used as Region control layer, another 500kV transformer station in the both ends power supply and each 220kV on the chain type power network Plant stand includes as station domain key-course, methods described:
The Region control layer sets middle plant stand number definite value and chain type power network plant stand sequence parameter definite value;
The Region control layer determines the factory on the chain type power network according to the chain type power network plant stand sequence parameter definite value Stand sequence;
Each 220kV plant stands in the station domain key-course report first node, section point, the 3rd node respectively Status information gives the Region control layer, and the 500kV transformer stations in the station domain key-course report line section node Status information gives the Region control layer, wherein, the first node, the 3rd node are the two of corresponding 220kV plant stands Individual line section node, the section point are mother/block switch section node of corresponding 220kV plant stands;
First node that the Region control layer reports according to each 220kV plant stands, section point, the shape of the 3rd node State information, the status information of a line section node that the 500kV transformer stations in the station domain key-course report, the region The status information for the line section node that 500kV transformer stations in key-course provide, and plant stand sequence, it is described in Between plant stand number definite value the topological structure of the chain type power network is identified, wherein, the 500kV power transformations in the Region control layer Line section node corresponding to standing is as start node, line section corresponding to the 500kV transformer stations in the station domain key-course Node is as end node.
A kind of identifying system of chain type topological structure of electric, including Region control layer and station domain key-course, the region control Preparative layer includes a 500kV transformer station in the both ends power supply of chain type power network, and the station domain key-course includes the both ends power supply In another 500kV transformer station and each 220kV plant stands on the chain type power network, the 500kV of the Region control layer become Power station includes setup module, processing module, identification module, nodal information and provides module, and each 220kV plant stands include one the respectively One reporting module, the 500kV transformer stations of the station domain key-course include second reporting module;
The setup module is used to set middle plant stand number definite value and chain type power network plant stand sequence parameter definite value;
The processing module is used to be determined on the chain type power network according to the chain type power network plant stand sequence parameter definite value Plant stand sorts;
Each first reporting module be respectively used to report first node, section point, the 3rd node status information to The Region control layer, second reporting module are used to report the status information of a line section node to be controlled to the region Preparative layer, wherein, the first node, the 3rd node are two line section nodes of corresponding 220kV plant stands, described the Two nodes are mother/block switch section node of corresponding 220kV plant stands;
The identification module be used for reported according to each first reporting module first node, section point, Section three The status information of point, the status information for the line section node that second reporting module reports, and plant stand row The topological structure of the chain type power network is identified for sequence, the middle plant stand number definite value, wherein, provided by the nodal information Module provides the status information of a line section node, and circuit corresponding to the 500kV transformer stations in the Region control layer breaks Face node is as start node, and line section node corresponding to the 500kV transformer stations in the station domain key-course is as terminating to save Point.
According to the scheme of the invention described above, its be a 500kV transformer station in the both ends power supply using chain type power network as Region control layer, another 500kV transformer station in the both ends power supply and each 220kV plant stands on the chain type power network are made For domain key-course of standing, the Region control layer sets middle plant stand number definite value and chain type power network plant stand sequence parameter definite value, according to The chain type power network plant stand sequence parameter definite value determines the plant stand sequence on the chain type power network, and suitable according to the chain type power network plant stand Order parameter definite value determines the nodes on chain type power network;Each 220kV plant stands in the station domain key-course report three respectively The status information of individual node gives the Region control layer, and the 500kV transformer stations in the station domain key-course report a circuit to break The status information of face node gives the Region control layer, and the Region control layer reports and stood domain according to each 220kV plant stands The node status information that 500kV transformer stations in key-course report, and plant stand sequence, the middle plant stand number definite value pair The topological structure of the chain type power network is identified, due to being opened up there is provided middle plant stand number definite value, and to the chain type power network The node that the 500kV transformer stations that flutterring structure and being identified is to be reported and stood based on each 220kV plant stands in the key-course of domain report Status information, and plant stand sequence, the middle plant stand number definite value, the nodes, therefore, can be by chain type The setting of plant stand quantity (middle plant stand number definite value) flexibly adapts to the chain type power network of different length between the power supply of both ends on power network, The change of power network is adapted to, it is possible to prevente effectively from the region backup power automatic switching function failure caused by power network changes.
Brief description of the drawings
Fig. 1 is the implementation process schematic diagram of the recognition methods embodiment of the chain type topological structure of electric of the present invention;
Fig. 2 is the schematic diagram of the 220kV chain structure power networks in a specific example;
Fig. 3 is that the implementation process of the mode of the status information of determination line section node in one of the embodiments is shown It is intended to;
Fig. 4 is the structural representation of one embodiment of the identification structure of the chain type topological structure of electric of the present invention;
Fig. 5 be Fig. 4 in Region control layer 500kV transformer stations and station domain key-course in 500kV transformer stations and The refinement structural representation of 220kV plant stands in one of the embodiments;
Fig. 6 be Fig. 4 in Region control layer 500kV transformer stations and station domain key-course in 500kV transformer stations and Refinement structural representation of the 220kV plant stands in wherein another embodiment;
Fig. 7 is the refinement structural representation of first node state determining module in one of the embodiments in Fig. 6.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with drawings and Examples, to this Invention is described in further detail.It should be appreciated that embodiment described herein is only to explain the present invention, Do not limit protection scope of the present invention.
In the following description, said first against the embodiment of the recognition methods of the chain type topological structure of electric of the present invention It is bright, then each embodiment of the identifying system of the chain type topological structure of electric of the present invention is illustrated.
The embodiment of the present invention provides a kind of recognition methods of chain type topological structure of electric, is by the both ends power supply of chain type power network In a 500kV transformer station as Region control layer, another 500kV transformer station and the chain in the both ends power supply Each 220kV plant stands on formula power network are as station domain key-course.It is shown in Figure 1, for chain type topological structure of electric of the invention The implementation process schematic diagram of recognition methods embodiment.As shown in figure 1, the identification side of the chain type topological structure of electric in the present embodiment Method includes:
Step S101:The Region control layer sets middle plant stand number definite value and chain type power network plant stand sequence parameter definite value;
Here, the middle plant stand number definite value characterizes the quantity of the plant stand on chain type power network between the power supply of both ends, according to reality The situation of border chain type power network is set;
Here, chain type power network plant stand sequence parameter definite value characterizes the ranking value of the plant stand on chain type power network;
Step S102:The Region control layer determines the chain type electricity according to the chain type power network plant stand sequence parameter definite value Online plant stand sequence;
Specifically, each plant stand on chain type power network can be entered according to the size of the chain type power network plant stand sequence parameter definite value Row sequence, the plant stand sequence on the chain type power network is obtained, furthermore it is also possible to determine according to the chain type power network plant stand sequence parameter Value or plant stand sequence determine plant stand number among maximum, and the nodes on chain type power network are determined further according to 3n+2, wherein, n Plant stand number among representing maximum;
Step S103:It is described station domain key-course in each 220kV plant stands report respectively first node, section point, The status information of 3rd node gives the Region control layer, and the 500kV transformer stations in the station domain key-course report a circuit The status information of section node gives the Region control layer, wherein, the first node, the 3rd node are corresponding Two line section nodes of 220kV plant stands, the section point are mother/block switch section of corresponding 220kV plant stands Node;
Specifically, in chain type power network, sent in each 220kV plant stands 3 nodes (first node, section point, Section three Point) status information give Region control layer, wherein, first node, the 3rd node are that two circuits of corresponding 220kV plant stands break Face node, each line section node are made up of the double-circuit line between Liang Ge transformer stations, and the section point is corresponding The mother of 220kV plant stands/block switch section node, mother/block switch section node is by mother or block switch group Into mother/block switch section node here refers to bus connection switch section node or block switch section node, with Fig. 2 220kV stand exemplified by 1 (or referred to as 220kV plant stands 1), its first node is (or the referred to as line section of section 1 on the left of it 1), its section point is the section 2 (or referred to as line section 2) on the right side of it;
Each 220kV plant stands in the station domain key-course report first node, section point, the 3rd node respectively Status information to before the Region control layer, it is necessary to first obtain the state letter of first node, section point, the 3rd node Breath, therefore, the recognition methods of chain type topological structure of electric in one of the embodiments, before above-mentioned steps S101, also Including:Each 220kV plant stands in the station domain key-course are respectively according to default line section node state decision logic Determine the status information of each corresponding line section node;
Specifically, as shown in figure 3, each 220kV plant stands in the station domain key-course are respectively according to default circuit It can include the step of the status information of each line section node corresponding to the determination of section node state decision logic:
Step S201:Each 220kV plant stands in the station domain key-course identify the state of each circuit in our station respectively;
Specifically, can according to traditional prepared auto restart definition by the state recognition of each circuit of our station be " RUN ", " inspection Repair ", " can throw ", " can not throw " four states;
Step S202:Each 220kV plant stands in the station domain key-course set corresponding each line section section respectively The line combination of point;
Specifically, each circuit in our station is grouped by each 220kV plant stands according to line section node respectively, is obtained The line combination of corresponding each line section node;
Step S203:Each 220kV plant stands in the station domain key-course are respectively according to the state of each circuit in our station And corresponding each line combination, according to each line section section corresponding to the determination of default line section node state decision logic The status information of point;
Wherein, the line section node state decision logic is:
1. if an at least circuit is in running status, the current line section node in current line section node Running status;
Here, current line section node is a line section node for being currently needed for judgement state;
2. if all circuits are in inspecting state in current line section node, the current line section node is inspection Repair state;
3. if other all circuits are that can throw state in addition to the circuit in inspecting state in current line section node, Then the current line section node is that can throw state;
If 4. current line section node be not running status, inspecting state, can be in throwing state any one state, Current line section node is that can not throw state.
The recognition methods of chain type topological structure of electric in one of the embodiments, before above-mentioned steps S101, also Including:Each 220kV plant stands in the station domain key-course identify the state of each mother/block switch in our station respectively, and It is true according to default mother/block switch section node decision logic respectively according to the state of each mother/block switch in our station The status information of mother/block switch section node corresponding to fixed;
Specifically, the state recognition of each mother/block switch of our station " can be transported according to the definition of traditional prepared auto restart OK ", " maintenance ", " can throw ", " can not throw " four states;
Wherein, the mother/block switch section node decision logic is:
1. if at least two mother/block switches, which are in, divides position or maintenance, and at least one standby can throw mother/point Duan Kaiguan, then corresponding mother/block switch section node is that can throw state;
2. if corresponding mother/block switch section node is not that can throw state, the mother/block switch section node For running status.
In the present embodiment, do not consider the inspecting state of mother/block switch section node, be because if mother/point Then chain type power network can throw node to the maintenance of Duan Kaiguan sections node without other, and this time domain prepared auto restart does not possess operation condition, therefore Without the concern for.
Step S104:First node that the Region control layer reports according to each 220kV plant stands, section point, The status information of three nodes, the state letter of the line section node reporting of 500kV transformer stations in the station domain key-course Cease, the status information for the line section node that the 500kV transformer stations in the Region control layer provide, and the plant stand The topological structure of the chain type power network is identified for sequence, the middle plant stand number definite value, wherein, in the Region control layer 500kV transformer stations corresponding to line section node as start node, the 500kV transformer stations in the station domain key-course are corresponding Line section node as end node.
Specifically, the node of node to be searched can be determined according to plant stand sequence and the middle plant stand number definite value Sequence, node searching is carried out from the start node based on the node sequencing, and record the state letter of the node searched Breath, end node is directly arrived when completing the search to each node of n-th 220kV plant stands, here, N represents middle plant stand number Definite value, obtain the topological structure of the chain type power network.In this way, each 220kV plant stands after n-th 220kV plant stands Node need not scan for again, therefore, be adapted to the change of electric network composition.
Wherein, stand a line section node that the 500kV transformer stations in the key-course of domain report status information according to upper The line section node state decision logic stated is determined, the circuit that the 500kV transformer stations in Region control layer provide The status information of section node is determined also according to above-mentioned line section node state decision logic, will not be described here.
Illustrated below by taking the 220kV chain structure power networks in Fig. 2 as an example.500kV station B is in the domain key-courses of station 500kV transformer stations, 500kV stations A are the 500kV transformer stations in Region control layer,
500kV stations B:The line section node that 220kV line section of the station on chain type power network is stood according to 220kV judges Logic (i.e. above-mentioned line section node state decision logic) provides the status information of a line section node, and the circuit breaks Face node is as end node.
500kV stands A as identification of the Region control station to chain type topological structure of electric, specifically:
The line section node decision logic that 220kV line sections of the 500kV stations A on chain type power network is stood according to 220kV (i.e. above-mentioned line section node state decision logic) provides the status information of a line section node, the line section section Point is used as start node.
Plant stand number definite value, determines the 220kV plant stand numbers between the power supply of chain type power network both ends among setting.
The sequence of transformer station on chain type power network is determined according to chain type power network topology plant stand sequence parameter definite value, and determines chain type Nodes on power network.
The Topology identification table of chain type power network is as shown in institute's table 1.
Table 1:Chain type topological structure of electric identifies table
If normal one completely go here and there in addition to the power supply of both ends among stand containing n 220kV (situation of consideration actual electric network, It is that 5 settings substantially can be with meet demand by n maximums), then the string node total number is 3n+2;Assuming that actual chain type power network is as schemed 2, then n be equal to 4, share 14 nodes on chain type power network.Therefore " middle plant stand number " is set to 4, such as table 1, then does not have to judge section Point 13,14,15 is directly by node 12 to end node.
According to each node status information sent on the plant stand order combining station domain key-course of chain type power network, chain structure is identified The topological structure and running status of power network.Chain type power network as described by according to Fig. 2 and table 1, then 14 on whole chain type power network Individual node state is as shown in table 2, therefore the open loop point that the chain type power network can be thrown in the presence of 220kV plant stands 1, other nodes are in Running status.
Table 2:Each node state table of Fig. 2 chain type power networks
In addition, in order to prevent the first node of each 220kV plant stands, the 3rd node sequence from overturning, a reality wherein Applying the recognition methods of the chain type topological structure of electric in example can also include:Each 220kV factories in the station domain key-course Stand respectively according to the plant stand sequence determine corresponding to the first node, the 3rd node.
Wherein, SDH (Synchronous Digital can be used between Region control layer and station domain key-course Hierarchy, SDH) communication network 2M (SYV class radio frequency coaxial-cables, transmission rate 2Mbps) passage, traffic rate On can ensure Region control layer station domain key-course between a data exchange is completed in 1.667MS, so that it is guaranteed that region Key-course obtains the information of whole chain type power network in real time, and when electric network fault causes substation power loss, region prepared auto restart can be fast Quick-action restores electricity.
Accordingly, according to the scheme of above-described embodiment, it is a 500kV transformer station in the both ends power supply by chain type power network As Region control layer, each 220kV factories in another 500kV transformer station and the chain type power network in the both ends power supply To stand as station domain key-course, the Region control layer sets middle plant stand number definite value and chain type power network plant stand sequence parameter definite value, Determine that the plant stand on the chain type power network sorts according to the chain type power network plant stand sequence parameter definite value, and according to the chain type power network factory Sequence parameter of standing definite value determines the nodes on chain type power network;It is described station domain key-course in each 220kV plant stands respectively on The status information of three nodes of report give the Region control layer, and the 500kV transformer stations in the domain key-course of standing report a line The status information of road section node gives the Region control floor, the Region control layer reported according to each 220kV plant stands and Stand the node status information that the 500kV transformer stations in the key-course of domain report, and plant stand sequence, the middle plant stand number are determined The topological structure of the chain type power network is identified value, due to there is provided middle plant stand number definite value, and to the chain type power network Topological structure the 500kV transformer stations for being to report and stand based on each 220kV plant stands in the key-course of domain be identified report Node status information, and plant stand sequence, the middle plant stand number definite value, the nodes, therefore, can be by right The setting of plant stand quantity (middle plant stand number definite value) flexibly adapts to the chain type of different length between the power supply of both ends on chain type power network Power network, the change of power network is adapted to, it is possible to prevente effectively from the region backup power automatic switching function failure caused by power network changes.
According to the recognition methods of the chain type topological structure of electric of the invention described above, the present invention also provides a kind of chain type power network and opened up The identifying system of structure is flutterred, the embodiment of the identifying system of the chain type topological structure of electric of the present invention is carried out specifically below It is bright.The structural representation of the embodiment of the identifying system of the chain type topological structure of electric of the present invention is shown in Fig. 4.For the ease of Illustrate, merely illustrate part related to the present invention in Fig. 4.
As shown in figure 4, the identifying system of the chain type topological structure of electric of the present embodiment, including Region control layer 30 and station domain Key-course 40, Region control layer 30 include a 500kV transformer station 301 in the both ends power supply of chain type power network, domain key-course of standing Including another 500kV transformer station 401 in the power supply of both ends and each 220kV plant stands 402 on chain type power network, as shown in figure 5, The 500kV transformer stations 301 of Region control layer include setup module 501, processing module 502, identification module 503, nodal information and carried For module 504, each 220kV plant stands 402 include first reporting module 505, the 500kV transformer stations for domain key-course 40 of standing respectively 401 include second reporting module 506;
Setup module 501 is used to set middle plant stand number definite value and chain type power network plant stand sequence parameter definite value;
Processing module 502 is used to determine that the plant stand on chain type power network sorts according to chain type power network plant stand sequence parameter definite value;
Each first reporting module 505 is respectively used to report first node, section point, the status information of the 3rd node to area Domain key-course, the second reporting module 506 are used to report the status information of a line section node to give Region control layer, wherein, First node, the 3rd node are two line section nodes of corresponding 220kV plant stands, and section point is corresponding 220kV factories The mother stood/block switch section node;
Nodal information provides the status information that module 504 is used for a line section node of offer;
Identification module 503 is used for first node, section point, the 3rd node reported according to each first reporting module 505 Status information, the status information for the line section node that the second reporting module 506 reports, nodal information provide module The status information and plant stand sequence, the middle plant stand number definite value of the 504 line section nodes provided are to described The topological structure of chain type power network is identified, wherein, line section section corresponding to the 500kV transformer stations in the Region control layer Put and be used as start node, line section node is as end node corresponding to the 500kV transformer stations in the station domain key-course.
It should be noted that illustrate only a 220kV plant stand 402 in Fig. 5 and Fig. 6, rough schematic view is intended merely to, but It is not limited to the situation for only including a 220kV plant stand 402.Other unshowned 220kV plant stands 402 also have institute in Fig. 5 and Fig. 6 The structure of the 220kV plant stands 402 shown.
In one of the embodiments, as shown in fig. 6, each 220kV plant stands 402 can also include respectively:
Node sequence determining module 507, for first node, the 3rd node according to corresponding to plant stand sequence determination.
In one of the embodiments, as shown in fig. 6, each 220kV plant stands 402 can also include respectively:
First node state determining module 508, it is each for being determined according to default line section node state decision logic The status information of corresponding line section node;
Wherein, line section node state decision logic is:
If an at least circuit is in running status in current line section node, the current line section node is fortune Row state;
If all circuits are in inspecting state in current line section node, the current line section node is maintenance State;
If other all circuits are that can throw state in addition to the circuit in inspecting state in current line section node, The current line section node is that can throw state;
If current line section node be not running status, inspecting state, can be in throwing state any one state, when Preceding line section node is that can not throw state.
In one of the embodiments, as shown in fig. 6, first node state determining module 508 can include:
Identification of lines unit 601, for identifying the state of each circuit in our station respectively;
Setting unit 602, for setting the line combination of corresponding each line section node;
Section node identifier unit 603, for according to the state of each circuit in our station and corresponding each line combination, pressing According to the status information of each line section node corresponding to the determination of default line section node state decision logic.
In one of the embodiments, as shown in fig. 6, each 220kV plant stands 402 can also include respectively:
Section point state determining module 509, identified respectively for each 220kV plant stands in domain key-course of standing each in our station The state of mother/block switch, and respectively according to the state of each mother/block switch in our station, according to default mother/segmentation Switch the status information of mother/block switch section node corresponding to the determination of section node decision logic;
Wherein, mother/block switch section node decision logic is:
If at least two mother/block switches, which are in, in our station divides position or maintenance, and at least one in our station can be standby Mother/block switch of throwing, then corresponding mother/block switch section node is that can throw state;
If corresponding mother/block switch section node is not that can throw state, the mother/block switch section node is Running status.
The identifying system of the chain type topological structure of electric of the present invention and the identification side of the chain type topological structure of electric of the present invention Method corresponds, the technical characteristic and its advantage illustrated in the embodiment of the recognition methods of above-mentioned chain type topological structure of electric Suitable for the embodiment of the identifying system of chain type topological structure of electric, hereby give notice that.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of recognition methods of chain type topological structure of electric, it is characterised in that by one in the both ends power supply of chain type power network 500kV transformer stations are as Region control layer, in another 500kV transformer station and the chain type power network in the both ends power supply Each 220kV plant stands as station domain key-course, methods described includes:
The Region control layer sets middle plant stand number definite value and chain type power network plant stand sequence parameter definite value;
The Region control layer determines that the plant stand on the chain type power network is arranged according to the chain type power network plant stand sequence parameter definite value Sequence;
Each 220kV plant stands in the station domain key-course report first node, section point, the state of the 3rd node respectively Information gives the Region control layer, and the 500kV transformer stations in the station domain key-course report the state of a line section node Information gives the Region control layer, wherein, the first node, the 3rd node are two lines of corresponding 220kV plant stands Road section node, the section point are mother/block switch section node of corresponding 220kV plant stands;
First node that the Region control layer reports according to each 220kV plant stands, section point, the state letter of the 3rd node Cease, the status information for the line section node that the 500kV transformer stations in the station domain key-course report, the Region control The status information for the line section node that 500kV transformer stations in layer provide, and plant stand sequence, the intermediate facility The topological structure of the chain type power network is identified number definite value of standing, wherein, the 500kV transformer stations pair in the Region control layer The line section node answered is as start node, line section node corresponding to the 500kV transformer stations in the station domain key-course 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:
It is described station domain key-course in each 220kV plant stands respectively according to the plant stand sequence determine corresponding to the first segment Point, the 3rd node.
3. the recognition methods of chain type topological structure of electric according to claim 1, it is characterised in that also include:
Each 220kV plant stands in the station domain key-course are true according to default line section node state decision logic respectively The status information of fixed each corresponding line section node;
Wherein, the line section node state decision logic is:
If an at least circuit is in running status in current line section node, the current line section node is operation shape State;
If all circuits are in inspecting state in current line section node, the current line section node is maintenance shape State;
If other all circuits are that can throw shape in addition to the circuit in inspecting state in current line section node, this is current Line section node is that can throw state;
If current line section node be not running status, inspecting state, can be in throwing state any one state, work as front Road section node is that can not throw state.
4. the recognition methods of chain type topological structure of electric according to claim 3, it is characterised in that the station domain key-course In each 220kV plant stands respectively according to default line section node state decision logic determine corresponding to each line section The step of status information of node, includes:
Each 220kV plant stands in the station domain key-course identify the state of each circuit in our station respectively;
Each 220kV plant stands in the station domain key-course set the line combination of corresponding each line section node respectively;
Each 220kV plant stands in the station domain key-course are respectively according to the state of each circuit in our station and corresponding each line Road is combined, according to the status information of each line section node corresponding to the determination of default line section node state decision logic.
5. the recognition methods of chain type topological structure of electric according to claim 1, it is characterised in that also include:
Each 220kV plant stands in the station domain key-course identify the state of each mother/block switch in our station respectively, and divide Not according to the state of each mother/block switch in our station, determined according to default mother/block switch section node decision logic The status information of corresponding mother/block switch section node;
Wherein, the mother/block switch section node decision logic is:
If at least two mother/block switches, which are in, divides position or maintenance, and at least one can be opened for the mother/segmentation thrown Close, then corresponding mother/block switch section node is that can throw state;
If corresponding mother/block switch section node is not that can throw state, the mother/block switch section node is operation State.
6. a kind of identifying system of chain type topological structure of electric, it is characterised in that including Region control layer and station domain key-course, institute A 500kV transformer station in both ends power supply of the Region control layer including chain type power network is stated, the station domain key-course includes described Each 220kV plant stands in another 500kV transformer station and the chain type power network in the power supply of both ends, the Region control layer 500kV transformer stations include setup module, processing module, identification module, nodal information and provide module, and each 220kV plant stands are wrapped respectively First reporting module is included, the 500kV transformer stations of the station domain key-course include second reporting module;
The setup module is used to set middle plant stand number definite value and chain type power network plant stand sequence parameter definite value;
The processing module is used to determine the plant stand on the chain type power network according to the chain type power network plant stand sequence parameter definite value Sequence;
Each first reporting module is respectively used to report the status information of first node, section point, the 3rd node to described Region control layer, the status information that second reporting module is used to report a line section node is to the Region control Layer, wherein, the first node, two line section nodes of the 3rd node 220kV plant stands for corresponding to, described second Node is mother/block switch section node of corresponding 220kV plant stands;
The nodal information provides the status information that module is used for a line section node of offer;
The identification module is used for the first node, section point, the 3rd node reported according to each first reporting module Status information, the status information for the line section node that second reporting module reports, the nodal information provide mould The status information for the line section node that block provides and plant stand sequence, the middle plant stand number definite value are to the chain The topological structure of formula power network is identified, wherein, by the shape of nodal information offer module one line section node of offer State information, line section node corresponding to the 500kV transformer stations in the Region control layer is as start node, station domain control Line section node is as end node corresponding to 500kV transformer stations in preparative layer.
7. the identifying system of chain type topological structure of electric according to claim 6, it is characterised in that each 220kV plant stands are also Include respectively:
Node sequence determining module, for the first node, the 3rd node according to corresponding to plant stand sequence determination.
8. the identifying system of chain type topological structure of electric according to claim 6, it is characterised in that each 220kV plant stands are also Include respectively:
First node state determining module, for determining each corresponding line according to default line section node state decision logic The status information of road section node;
Wherein, the line section node state decision logic is:
If an at least circuit is in running status in current line section node, the current line section node is operation shape State;
If all circuits are in inspecting state in current line section node, the current line section node is maintenance shape State;
If other all circuits are that can throw state in addition to the circuit in inspecting state in current line section node, deserve Preceding line section node is that can throw state;
If current line section node be not running status, inspecting state, can be in throwing state any one state, work as front Road section node is that can not throw state.
9. the identifying system of chain type topological structure of electric according to claim 7, it is characterised in that the first segment point-like State determining module includes:
Identification of lines unit, for identifying the state of each circuit in our station respectively;
Setting unit, for setting the line combination of corresponding each line section node;
Section node identifier unit, for according to the state of each circuit in our station and corresponding each line combination, according to default Line section node state decision logic determine corresponding to each line section node status information.
10. the identifying system of chain type topological structure of electric according to claim 6, it is characterised in that each 220kV plant stands are also Include respectively:
Section point state determining module, identified respectively in our station for each 220kV plant stands in the station domain key-course The state of each mother/block switch, and respectively according to the state of each mother/block switch in our station, according to default mother/point The status information of mother/block switch section node corresponding to the determination of Duan Kaiguan section nodes decision logic;
Wherein, the mother/block switch section node decision logic is:
If at least two mother/block switches, which are in, in our station divides position or maintenance, and at least one in our station can be for throwing Mother/block switch, then corresponding mother/block switch section node is that can throw state;
If corresponding mother/block switch section node is not that can throw state, the mother/block switch section node is operation State.
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