CN104882959B - Power distribution network area management method and system - Google Patents
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- 238000009826 distribution Methods 0.000 title claims abstract description 201
- 238000007726 management method Methods 0.000 title claims abstract description 29
- 238000011084 recovery Methods 0.000 claims abstract description 22
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Abstract
Power distribution network area management method provided by the present invention and system, including：The data information of all distribution terminals in acquisition control region, the control area are the region for including one or more feeder line in power distribution network；The operating status of power distribution network is judged according to the data information, if normal operation, continue the operating status for monitoring power distribution network, if there is failure, corresponding control command is then sent to corresponding distribution terminal, carries out the positioning, isolation and the recovery of non-faulting block supply of fault zone.Power distribution network area management method provided by the present invention and system, failure can be found in time, promptly handling failure, the normal operation of recovery power distribution network, not only flexibly but also reliable, to solve due between distribution terminal interaction Limited information, and caused by non-faulting block supply restore lack flexibility and fault handling time length problem.
Description
Technical field
The present invention relates to technical field of power systems, more specifically to a kind of power distribution network area management method and are
System.
Background technology
Distribution Automation Technology is the important technology for serving town and country distribution network transform construction.Distribution Automation Technology is
It establishes on the basis of information technology, by distribution system online data and off-line data, distribution network data and user data, power grid
Structure and geographical graphic carry out information integration, constitute complete automated system, realize power distribution network and its equipment normal operation and
The automatic technology of monitoring, protection, control and electricity consumption and distribution management under accident condition.
Pith of the FEEDER AUTOMATION as Distribution Automation Technology refers to that substation's outlet is set to user power utilization
Feeder line automation between standby, content include mainly two aspects：It, can be first, feeder line control and data detection system
It is realized under normal condition to running electrical parameter（Various electricity including presenting built-in unit）Acquisition, monitoring and equipment state
Control；Second is that feeder line automatism isolation and recovery system, automatic fixed when phase fault or singlephase earth fault occur for feeder line
Position feeder fault region, isolated fault region and the power supply for restoring non-faulting region.
Existing feed line automatization system is mostly distributed feed line automatization system, is matched by Intelligent power distribution terminal
The acquisition of operation of power networks information and supervising for operating status, and when power distribution network breaks down, by between Intelligent power distribution terminal
Information exchange, complete the positioning of fault zone, the service restoration of isolation and non-faulting region.But due to distribution terminal it
Between the Limited information that can interact, therefore, distributed feed line automatization system lacks spirit in terms of restoring non-faulting block supply
Activity, and the time of troubleshooting is longer, is unfavorable for the normal operation of power distribution network.
Invention content
In view of this, the present invention provides a kind of power distribution network area management method and system, to solve to divide in the prior art
Cloth feed line automatization system lacks flexibility in terms of restoring non-faulting block supply, and the time of troubleshooting longer asks
Topic.
To achieve the above object, the present invention provides the following technical solutions：
A kind of power distribution network area management method, including：
The data information of all distribution terminals in acquisition control region, the control area be in power distribution network comprising one or
The region of a plurality of feeder line；
The operating status of power distribution network is judged according to the data information, if normal operation, continues to monitor power distribution network
Operating status then sends corresponding control command to corresponding distribution terminal, carries out determining for fault zone if there is failure
Position, isolation and the recovery of non-faulting block supply.
Preferably, the control area is divided in advance according to the topological structure of power distribution network.
Preferably, the data information of the distribution terminal refers to the power distribution network operating parameter of distribution terminal acquisition, including electricity
The operating status of pressure amplitude value, electric current, active power, reactive power, power factor and switchgear.
Preferably, send corresponding control command to corresponding distribution terminal, carry out the positioning of fault zone, isolation and
The process of the recovery of non-faulting block supply is specially：
According to the region wire topology information of collected data information and power distribution network, location of fault region is determined；
The first control command is sent to the corresponding distribution terminal in the fault zone, failure is controlled using the distribution terminal
The switch of region both sides disconnects, and the fault zone is isolated；
Other distribution terminals in the second control command to region are sent, other distribution terminals control non-faulting region is utilized
Corresponding switch is closed, and restores the power supply in non-faulting region.
Preferably, further include：
Collected data information is sent to main website, and receives the control command of main website transmission, to realize and main website
Data interaction.
A kind of power distribution network Regional Management System, in the control area divided in advance according to the topological structure of power distribution network,
Including：
Collecting unit, the data information for all distribution terminals in acquisition control region；
Judging unit, the operating status for judging power distribution network according to collected data information；
Control unit sends corresponding control command to corresponding distribution terminal for when power distribution network breaks down, into
Positioning, isolation and the recovery of non-faulting block supply of row fault zone.
Preferably, the system also includes：
Storage unit, the data information for storing all distribution terminals in collected control area.
Preferably, the system also includes：
Power supply unit, for providing power supply for the power distribution network Regional Management System.
Preferably, the system also includes：
Communication unit for collected data information to be sent to main website, and receives the control command of main website transmission, with
Realize the data interaction with main website.
Preferably, the system also includes：
Processing unit, the control command for being sent according to main website, is correspondingly handled.
Compared with prior art, technical solution provided by the present invention has the following advantages：
Power distribution network is divided into multiple control areas by power distribution network area management method provided by the present invention and system, and
It is each equipped with a collecting unit, judging unit and control unit in each control area, for all distribution in pickup area
The data information of terminal, and judge according to the data information operating status of power distribution network, so as to failure is found in time,
Promptly handling failure, the normal operation of recovery power distribution network, it is not only flexibly but also reliable, to without going through the letter between distribution terminal
Breath interaction, to realize the positioning of failure, isolation and the service restoration in non-faulting region, and then solve due to distribution terminal it
Between interaction Limited information, and caused by non-faulting block supply restore lack flexibility and fault handling time length ask
Topic.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the power distribution network area management method flow chart that the embodiment of the present invention one provides；
Fig. 2 is the distribution schematic diagram of multiple control areas in power distribution network provided by Embodiment 2 of the present invention；
Fig. 3 is power distribution network Regional Management System structural schematic diagram provided by Embodiment 2 of the present invention；
Fig. 4 is the structural schematic diagram of some control area in power distribution network provided by Embodiment 2 of the present invention.
Specific implementation mode
As described in background, existing feed line automatization system is mostly distributed feed line automatization system, is passed through
Intelligent power distribution terminal carries out the acquisition of power distribution network operation information and supervising for operating status, and when power distribution network breaks down, and leads to
The information exchange between Intelligent power distribution terminal is crossed, the positioning of fault zone, the service restoration of isolation and non-faulting region are completed.But
It is, due to the Limited information that can be interacted between distribution terminal, distributed feed line automatization system is restoring non-faulting area
Lack flexibility in terms of the power supply of domain, and the time of troubleshooting is longer, is unfavorable for the normal operation of power distribution network.
Based on this, the present invention provides a kind of power distribution network area management method, to overcome of the existing technology above-mentioned ask
Topic, including：
The data information of distribution terminal in acquisition control region, it includes one or more that the control area, which is in power distribution network,
The region of feeder line；The operating status of power distribution network is judged according to the data information, if normal operation, continues to monitor power distribution network
Operating status then send corresponding control command if there is failure to corresponding distribution terminal, carry out determining for fault zone
Position, isolation and the recovery of non-faulting block supply.
The present invention also provides a kind of power distribution network Regional Management System, the system is located at the topological structure according to power distribution network
In the control area divided in advance, including：
Collecting unit, the data information for distribution terminal in acquisition control region；Judging unit is collected for basis
Data information judge the operating status of power distribution network；Control unit, for when power distribution network breaks down, sending corresponding control
Order carries out the positioning, isolation and the recovery of non-faulting block supply of fault zone to corresponding distribution terminal.
Power distribution network is divided into multiple control areas by power distribution network area management method provided by the present invention and system, and
It is each equipped with a collecting unit, judging unit and control unit in each control area, for all distribution in pickup area
The data information of terminal, and judge according to the data information operating status of power distribution network, so as to failure is found in time,
Promptly handling failure, the normal operation of recovery power distribution network, it is not only flexibly but also reliable, to without going through the letter between distribution terminal
Breath interaction, to realize the positioning of failure, isolation and the service restoration in non-faulting region, and then solve due to distribution terminal it
Between interaction Limited information, and caused by non-faulting block supply restore lack flexibility and fault handling time length ask
Topic.
It is core of the invention thought above, to keep the above objects, features and advantages of the present invention more obvious easily
Understand, the specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented different from other manner described here using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Secondly, combination schematic diagram of the present invention is described in detail, when describing the embodiments of the present invention, for purposes of illustration only, table
Show that the sectional view of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, is not answered herein
Limit the scope of protection of the invention.In addition, three-dimensional space that should be comprising length, width and depth in actual fabrication.
It is described in detail below by several embodiments.
Embodiment one
A kind of power distribution network area management method is present embodiments provided, flow chart is as shown in Figure 1.
S101：The data information of all distribution terminals in acquisition control region, the control area, which is in power distribution network, includes
The region of one or more feeder line；
First according to the topological structure of power distribution network, power distribution network is divided into multiple control areas, each control area in advance
To include the region of one or more feeder line in power distribution network, also, a collecting unit is configured in each control area, to adopt
Collect the data information of all distribution terminals in its responsible control area, the data information of the distribution terminal refers to distribution end
Hold power distribution network operating parameter, including voltage magnitude, electric current, active power, reactive power, power factor of acquisition etc. and switch
The operating status of equipment.
S102：The operating status of power distribution network is judged according to the data information, if normal operation, is entered step
S103 then enters step S104 if there is failure.
After collecting unit collects the data information of the distribution terminal in its responsible control area, judging unit is according to institute
The operating status that data information judges power distribution network is stated, if the data information is recognized in preset normal range (NR)
For power distribution network normal operation, S103 is entered step, if the data information exceeds normal range (NR), then it is assumed that event occurs in power distribution network
Barrier, enters step S104.
S103：Continue the operating status of monitoring power distribution network；
If it is determined that the normal operation of power distribution network, then continue the operating status for monitoring power distribution network, detailed process is：Continue to adopt
Collect the data information of distribution terminal in control area, and judges the operating status of power distribution network according to the data information.This implementation
The method that example provides acquires the operation data information of power distribution network in real time, and according to the data information real-time judge power distribution network
Operating status, to realize real-time monitoring and control to power distribution network.
S104：Corresponding control command is sent to corresponding distribution terminal, carries out the positioning of fault zone, isolation and non-
The recovery of fault zone power supply.
After judging that power distribution network breaks down, control unit is according to collected data information and the region wire of power distribution network
Topology information determines location of fault region, and sends the first control command to the corresponding distribution terminal in the fault zone, profit
The switch that fault zone both sides are controlled with the distribution terminal disconnects, and the fault zone is isolated, wherein the first control
Order is trip signal, even the order that the switch of fault zone both sides disconnects.
After fault zone is isolated, control unit sends other distribution terminals in the second control command to region,
It is closed using the corresponding switch in other distribution terminals control non-faulting region, restores the power supply in non-faulting region.Wherein, the first control
System order is order of closing a floodgate, even the order that the outlet switch of the switch in non-faulting region and power distribution network is closed.
Power distribution network area management method provided in this embodiment, further includes step：Collected data information is sent to
Main website, and the control command of main website transmission is received, to realize the data interaction with main website.
Power distribution network is divided into multiple control areas, and acquisition zone by power distribution network area management method provided by the present invention
The data information of all distribution terminals in domain, then judges the operating status of power distribution network according to the data information, so as to
Failure is found in time, promptly handling failure, the normal operation of recovery power distribution network, not only flexibly but also reliable, thus without going through
Information exchange between distribution terminal to realize the positioning of failure, isolation and the service restoration in non-faulting region, and then solves
Due to the Limited information of interaction between distribution terminal, and caused by non-faulting block supply restore to lack flexibility and failure
The problem of processing time length.
Embodiment two
A kind of power distribution network Regional Management System is present embodiments provided, the power distribution network district management provided using embodiment one
Method, the system are located in the control area divided in advance according to the topological structure of power distribution network, to be responsible for matching in control area
The acquisition of operation of power networks data information, the monitoring of operating status and the processing of failure, the control area are according to power distribution network
Topological structure multiple control areas for being divided into power distribution network, each control area is in power distribution network comprising one or more feedback
The region of line.Wherein, the distribution schematic diagram of multiple control areas is as shown in Figure 2 in power distribution network.
Power distribution network Regional Management System provided in this embodiment, structure chart is as shown in figure 3, include：Collecting unit 31 judges
Unit 32 and control unit 33, wherein data information of the collecting unit 31 for distribution terminal in acquisition control region；Judge single
Member 32, the operating status for judging power distribution network according to collected data information；Control unit 33, for occurring in power distribution network
When failure, corresponding control command is sent to corresponding distribution terminal, carries out the positioning, isolation and non-faulting area of fault zone
The recovery of domain power supply.
In the present embodiment, the system also includes：Storage unit, power supply unit, communication unit and processing unit（In figure not
It shows）, storage unit is used to store the data information of distribution terminal in collected control area, to be believed according to the data
Breath is monitored the operating status of power distribution network, and carries out storage record to the history run state of power distribution network；Power supply unit
For providing power supply for the power distribution network Regional Management System, communication unit is used to collected data information being sent to master
It stands, and receives the control command of main website transmission, to realize the data interaction with main website；What processing unit was used to be sent according to main website
Control command is correspondingly handled, to realize monitoring and control of the main website to entire distribution Running State.
In the present embodiment, the structure chart of some control area is as shown in Figure 4.CB1 is the 10kV outlet switchs of substation,
Switchtype is breaker, and current quick is carried out to distribution line；K1-K6 is the on-load switch on distribution line；Intelligence
Distribution terminal 1, distribution terminal 2 and distribution terminal 3 are each responsible for the acquisition of three remote sensing informations and fault detect of two switches, i.e. distribution
Terminal 1 is responsible for the three remote sensing informations acquisition of K1 and K2 switches and fault detect, distribution terminal 2 are responsible for three remote sensing informations of K3 and K4 switches
Acquisition and fault detect, distribution terminal 3 are responsible for the acquisition of three remote sensing informations and fault detect of K5 and K6 switches.
The data information of all distribution terminals in 31 acquisition control region of collecting unit, judging unit 32 is according to the data
Information judges the operating status of power distribution network, if normal operation, continues the operating status for monitoring power distribution network, if there is event
Barrier, then control unit 33 generates corresponding control command, and is sent to corresponding distribution terminal, carry out fault zone positioning,
Isolation and the recovery of non-faulting block supply.
When F1 points break down, as shown in figure 4, intelligent terminal 1 detects the faulty electric current of switch K1 and K2, therefore,
Fault message is sent to collecting unit 31 by intelligent terminal 1 by Ethernet, and disconnects the outlet switch of CB1, to distribution line
Carry out current quick.Control unit 33 carries out positioning, isolation and the recovery of non-faulting block supply of fault zone
Process is specially：Control module 33 determines event according to the region wire topology information of collected data information and power distribution network
Then barrier point sends the first control command to distribution terminal 1 and distribution terminal 2, K2 and K3 is controlled using it between K2 and K3
It disconnects, fault zone is isolated.After fault zone is successfully isolated, control module 33 sends the second control command to distribution end
End 3 controls the corresponding switch K5 in non-faulting region using distribution terminal 3 and is closed, between recovery non-faulting region, that is, K3 to K5
The power supply in region, while control module 33 also controls the switch closure of CB1 by the second control command, restores switch CB1 to K2
Between region power supply, to realize the positioning, isolation and the recovery of non-faulting block supply of fault zone.
Power distribution network Regional Management System provided in this embodiment, positioned at the control divided in advance according to the topological structure of power distribution network
In region processed, by the data information of all distribution terminals in collecting unit pickup area, power distribution network is judged by judging unit
Operating status, to find failure in time, when power distribution network breaks down, by control unit rapidly process failure,
Restore the normal operation of power distribution network, it is not only flexibly but also reliable, thus without going through the information exchange between distribution terminal, it is non-to realize
The service restoration of fault zone, so solve due between distribution terminal interaction Limited information, and caused by non-faulting area
Domain service restoration lacks the problem of flexibility and fault handling time length.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (7)
1. a kind of power distribution network area management method, which is characterized in that including：
The data information of all distribution terminals in acquisition control region will match in advance specifically, according to the topological structure of power distribution network
Power grid is divided into multiple control areas, and each control area is the region for including one or more feeder line in power distribution network, each to control
A collecting unit is all configured in region processed, to acquire the data information of all distribution terminals in its responsible control area,
The data information of the distribution terminal refers to the power distribution network operating parameter of distribution terminal acquisition, including voltage magnitude, electric current, active
The operating status of power, reactive power, power factor and switchgear；
The operating status of power distribution network is judged according to the data information, if normal operation, continues the operation for monitoring power distribution network
State then sends corresponding control command to corresponding distribution terminal if there is failure, carry out fault zone positioning, every
From and non-faulting block supply recovery, without carrying out determining for fault zone by the information exchange between distribution terminal
Position, isolation and the recovery of non-faulting block supply；
The control area is divided in advance according to the topological structure of power distribution network；The feeder line refers to substation's outlet to user
Feeder line between electrical equipment；The failure refers to that phase fault or singlephase earth fault occur for feeder line；
Wherein, described to send corresponding control command to corresponding distribution terminal, carry out the positioning of fault zone, isolation and non-
The recovery of fault zone power supply, specifically includes：
According to the region wire topology information of collected data information and power distribution network, location of fault region is determined；
The first control command is sent to the corresponding distribution terminal in the fault zone, fault zone is controlled using the distribution terminal
The switch of both sides disconnects, and the fault zone is isolated；
Other distribution terminals in the second control command to region are sent, are corresponded to using other distribution terminals control non-faulting region
Switch be closed, restore the power supply in non-faulting region.
2. according to the method described in claim 1, it is characterized in that, further including：
Collected data information is sent to main website, and receives the control command of main website transmission, to realize the data with main website
Interaction.
3. a kind of power distribution network Regional Management System, which is characterized in that positioned at the control divided in advance according to the topological structure of power distribution network
In region processed, including：
Collecting unit, the data information for all distribution terminals in acquisition control region；
Judging unit, the operating status for judging power distribution network according to collected data information；
Control unit carries out event for when power distribution network breaks down, sending corresponding control command to corresponding distribution terminal
Hinder region positioning, isolation and the recovery of non-faulting block supply, without by the information exchange between distribution terminal come
Carry out positioning, isolation and the recovery of non-faulting block supply of fault zone；
The control area is the region for including one or more feeder line in power distribution network；The feeder line refers to substation's outlet to using
Feeder line between the electrical equipment of family；The failure refers to that phase fault or singlephase earth fault occur for feeder line；
The power distribution network Regional Management System applies power distribution network area management method as described in claim 1.
4. system according to claim 3, which is characterized in that the system also includes：
Storage unit, the data information for storing all distribution terminals in collected control area.
5. system according to claim 4, which is characterized in that the system also includes：
Power supply unit, for providing power supply for the power distribution network Regional Management System.
6. system according to claim 5, which is characterized in that the system also includes：
Communication unit for collected data information to be sent to main website, and receives the control command of main website transmission, to realize
With the data interaction of main website.
7. system according to claim 6, which is characterized in that the system also includes：
Processing unit, the control command for being sent according to main website, is correspondingly handled.
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| CN201410069017.2A CN104882959B (en) | 2014-02-27 | 2014-02-27 | Power distribution network area management method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105870923B (en) * | 2016-05-18 | 2018-06-29 | 中化重庆涪陵化工有限公司 | The method of supplying power to of integrated mill |
| CN107394897A (en) * | 2017-08-21 | 2017-11-24 | 国网山东省电力公司济南供电公司 | A kind of power distribution network intelligence self-healing method and system based on topological diagram |
| CN110336383B (en) * | 2019-08-08 | 2021-07-23 | 国网冀北电力有限公司秦皇岛供电公司 | Distribution network feeder automatic system |
| CN110807602B (en) * | 2019-11-12 | 2023-10-17 | 黑龙江电力调度实业有限公司 | Power dispatching system fault detection method based on big data |
| CN112698151A (en) * | 2020-12-07 | 2021-04-23 | 广东电网有限责任公司梅州供电局 | Fault management method, device and system for plant station |
| CN114243679A (en) * | 2021-11-05 | 2022-03-25 | 南方电网数字电网研究院有限公司 | Multi-service cooperative power distribution method, system and device and digital power distribution terminal |
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