CN105259751A - Electric-power thematic map updating method based on real-time switch motion - Google Patents
Electric-power thematic map updating method based on real-time switch motion Download PDFInfo
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- CN105259751A CN105259751A CN201510770127.6A CN201510770127A CN105259751A CN 105259751 A CN105259751 A CN 105259751A CN 201510770127 A CN201510770127 A CN 201510770127A CN 105259751 A CN105259751 A CN 105259751A
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Abstract
The invention discloses an electric-power thematic map updating method based on real-time switch motion. The network map updating method comprises the following steps of step1, acquiring switch displacement information of a back brake operation and correlation network map data and entering into a step2; step2, determining whether there is contact switch motion, entering into a step3 if there is no contact switch motion and otherwise, entering into a step4; step3, determining whether an outgoing line switch has motion and updating a switch state based on the above condition, simultaneously updating equipment supply power failure states under all the feeder lines when the outgoing line switch generates motion; step4, updating all the switch states, finding the feeder line associated with a contact switch and entering into a step5; step5,aiming at each contact switch which has generated motion, according to a breadth-first search algorithm and a topology relation, updating the supply power failure states of the equipment which the feeder line associated with the contact switch belongs to. An electric power network map and a single line map can carry out linkage updating according to real-time switch displacement information.
Description
Technical field
The present invention relates to a kind of electric power thematic map update method based on Real-Time Switch action, particularly relate to a kind of based on the Real-Time Switch displacement network chart of information and the update method of line chart.
Background technology
China urban distribution network 10kV and following distribution network generally take looped network to design, open loop mode of operation.When needs carry out the operation such as service without power-off or load transfer plan, reduce power off time by conjunction, Open Loop Operation, improve power supply reliability.
According to State Grid's secondary Safe Protection zoning requirements, information system security protection is divided into production control great Qu and management information great Qu.Wherein, realize the electrical power distribution automatization system of the functions such as grid switching operation at production control great Qu, managing power network resources (as GIS platform), production management system (as PMS) etc. are deployed in management information great Qu.The switch changed position information of current power distribution automation etc. is not synchronized in GIS platform or PMS immediately, to such an extent as to the on off state in GIS (Geographic Information System) and PMS (engineering production management system) cannot keep realtime uniform with scene, causes the information of the thematic map such as line chart, network chart inaccurate.Cannot support accurately and efficiently for the work of first-line staff provides.
Summary of the invention
For the problems referred to above, the invention provides a kind of electric power thematic map update method based on Real-Time Switch action, achieve electric power networks figure and line chart and carry out interlock renewal according to Real-Time Switch displacement information, the corresponding thematic map of guarantee information system and scene are consistent, and the work for first-line staff provides and supports accurately and efficiently.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
Based on an electric power thematic map update method for Real-Time Switch action, it is characterized in that, the update method of network chart comprises the steps:
Step 1, the switch changed position information obtaining this grid switching operation and network of relation diagram data, enter step 2;
Step 2, judge whether interconnection switch action, if without, enter step 3, otherwise enter step 4;
Step 3, judge whether wiretap has action upgrade on off state accordingly, the equipment under all feeder lines of outlet switch generation action of simultaneously upgrading is for power down mode;
Step 4, upgrade all on off states, and find out the feeder line be associated with interconnection switch, enter step 5;
Step 5, for each interconnection switch that action occurred, according to breadth-first search and topological relation, upgrade be associated with this interconnection switch feeder line corresponding device confession power down mode.
Preferably, step 3 specifically comprises the steps:
Step 301, judged whether outlet switch disconnect action, if having, the feeder plant upgrading this outlet switch is all power down mode, and upgrades the state of other respective switch action;
Step 302, judged whether that outlet switch closes action, if having, the feeder plant upgrading this outlet switch is all power supply state, and what upgrade the state of other respective switch action and respective switch upstream device stops power supply state simultaneously;
If step 303 is without outlet switch action, then upgrade corresponding block switch operating state, and upgrade its upstream device stop power supply state.
Wherein, in step 303,
(1) if outlet switch is off, block switch and upstream device thereof are power down mode;
(2) if outlet switch for close and block switch for closing, its upstream device is power supply state, if outlet switch is for close and block switch is off, its upstream device is power down mode.
Preferably, the update method of line chart comprises the steps:
Step a, the equipment of all feeder lines of this switch changed position informational influence to be classified, be divided into initial kind equipment, intermediate equipment and terminal kind equipment, and build corresponding cluster tool, wherein, initial kind equipment is outlet switch or interval, the Switch equipment that terminal kind equipment is off and the electrical equipment without upstream device, remaining is intermediate equipment;
Step b, set up the equipment adjacency table of each many feeder lines according to the topological relation of electrical equipment, breadth-first search is adopted to travel through every bar feeder plant and extract, layout drafting is carried out, the line chart that more newly-generated and every bar feeder switch is corresponding according to the topological logic relation after change and Dynamic Distribution's algorithm.
Preferably, specifically comprise the steps: in step b
Step b01, a definition access flag array, be used for recording the whether accessed mistake of this node, wherein, the not accessed mistake of 0 representative, 1 represents accessed mistake; The value of initialization tense marker array is 0 entirely, before each node of traversal, all will access this mark array, see whether numerical value is 1, if not 1 is set to 1;
The ergodic process of step b02, concrete every bar feeder line is as follows: from outlet switch, the adjacent device of fetch equipment carries out stopping power supply and plays up, and adjacent device is added treat, in traversal device queue, to upgrade corresponding line chart data, judge to treat whether traversal device queue has equipment;
If nothing, then terminate the traversal of this feeder line, enter the traversal of next feeder line;
Otherwise, continue the adjacent device of fetch equipment and carry out stopping power supply and play up, and adjacent device is added treat, in traversal device queue, to upgrade corresponding line chart data, until treat there is no equipment in traversal device queue.
The invention has the beneficial effects as follows:
The present invention is based on the basis of Real-Time Switch displacement information, corresponding network chart and line chart is upgraded by breadth-first search, make it be consistent with on-the-spot topology situation of powering, achieve the quasi real time renewal of thematic map, for scheduling, Yun Jiandeng production division librarian use.Ensure that line chart and network chart real-time update and real scene are consistent, the real-time of renewal is better, and achieve three figure interlocks, the work for first-line staff provides and supports accurately and efficiently.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a kind of network chart update method based on Real-Time Switch action of the present invention;
Fig. 2 is the process flow diagram of a kind of line chart update method based on Real-Time Switch action of the present invention;
Fig. 3 is present device adjacency table schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical solution of the present invention is described in further detail, can better understand the present invention to make those skilled in the art and can be implemented, but illustrated embodiment is not as a limitation of the invention.
Based on an electric power thematic map update method for Real-Time Switch action, mainly comprise the update method of network chart and line chart, describe in detail below.
Wherein, the update method of network chart as shown in Figure 1, comprises the steps:
Step 1, the switch changed position information obtaining this grid switching operation and network of relation diagram data, enter step 2;
Breaker in middle displacement information of the present invention can be obtained by mode below: after each grid switching operation, switch changed position Information encapsulation is become the switch motion information flow xml file of following form, and pushed to information management great Qu by lateral isolation device, form is:
Sequence number 1:[switch number 1, switchtype 1, switch motion 1, actuation time 1]; Sequence number 2:[switch number 2, switchtype 2, switch motion 2, actuation time 2]; Sequence number n:[switch number n, switchtype n, switch motion n, actuation time n], wherein, a n representative altogether grid switching operation n switch, namely namely grid switching operation how many switches have the xml file of equivalent bar switch motion.The systems such as unified GIS platform obtain switch motion information flow xml file, and are resolved stored in database according to data layout.
Step 2, judge whether interconnection switch action, if without, enter step 3, otherwise enter step 4;
Step 3, judge whether wiretap has action upgrade on off state accordingly, the equipment under all feeder lines of outlet switch generation action of simultaneously upgrading is for power down mode;
Step 4, upgrade all on off states, and find out the feeder line be associated with interconnection switch, enter step 5;
Step 5, for each interconnection switch that action occurred, according to breadth-first search and topological relation, upgrade be associated with this interconnection switch feeder line corresponding device confession power down mode.
Preferably, step 3 specifically comprises the steps:
Step 301, judged whether outlet switch disconnect action, if having, the feeder plant upgrading this outlet switch is all power down mode, and upgrades the state of other respective switch action;
Step 302, judge whether that outlet switch closes action, if have, the feeder plant upgrading this outlet switch is all power supply state, the power supply state that stops of the state and respective switch upstream device that simultaneously upgrade other respective switch (as block switch) action (reviews its upstream switch to outlet switch, if there is the switch of disconnection, it is power down mode, otherwise be power supply state), because outlet switch has closed, but block switch may be had in the middle of this circuit and have the action pulled open, the equipment like this after block switch all will have a power failure.
If step 303 is without outlet switch action, then upgrade corresponding block switch operating state, and upgrade its upstream device stop power supply state:
(1) if outlet switch is off, block switch and upstream device thereof are power down mode;
(2) if outlet switch for close and block switch for closing, its upstream device is power supply state, if outlet switch is for close and block switch is off, its upstream device is power down mode.
The update method of line chart comprises the steps:
First obtain the outlet switch of this switch changed position impact, block switch and interconnection switch and upgrade its on off state, and regenerating all feeder lines belonging to it in the following manner:
Step a, first the equipment of all feeder lines of this switch changed position informational influence to be classified, be divided into initial kind equipment, intermediate equipment and terminal kind equipment, and build corresponding cluster tool, wherein, initial kind equipment is outlet switch or interval, the Switch equipment that terminal kind equipment is off and the electrical equipment without upstream device, remaining is intermediate equipment.
Building corresponding cluster tool is:
Initial kind equipment=[outlet switch 1, outlet switch 2, outlet switch 3 ... ];
Intermediate equipment=[voltage transformer (VT), current transformer, interconnection switch (closing) ... ];
Terminal kind equipment=[block switch of disconnection, and without the electrical equipment of upstream device].
Step b, set up the equipment adjacency table of each many feeder lines according to the topological relation of electrical equipment, equipment adjacency table as shown in Figure 3, if this equipment has adjacent device, be shown on the right side of it according to the adjacency table of each equipment, if this equipment is terminal kind equipment, without adjacent device in adjacency table.
The equipment adjacency table of each many feeder lines according to above method establishment, and adopt breadth-first search to travel through every bar feeder plant and extract, layout drafting is carried out, the line chart that more newly-generated and every bar feeder switch is corresponding according to the topological logic relation after change and Dynamic Distribution's algorithm.First obtain initial kind equipment, extract first outlet switch, locate the adjacency list of this equipment, and carry out the extraction of this feeder plant by following algorithm:
Step b01, a definition access flag array, be used for recording the whether accessed mistake of this node, wherein, the not accessed mistake of 0 representative, 1 represents accessed mistake; The value of initialization tense marker array is 0 entirely, before each node of traversal, all will access this mark array, see whether numerical value is 1, if not 1 is set to 1, and uses it as the condition of circulation end;
The ergodic process of step b02, concrete every bar feeder line is as follows: from outlet switch, the adjacent device of fetch equipment carries out stopping power supply and plays up, and adjacent device is added treat, in traversal device queue, to upgrade corresponding line chart data, judge to treat whether traversal device queue has equipment;
If nothing, then terminate the traversal of this feeder line, enter the traversal of next feeder line;
Otherwise, continue the adjacent device of fetch equipment and carry out stopping power supply and play up, and adjacent device is added treat, in traversal device queue, to upgrade corresponding line chart data, until treat there is no equipment in traversal device queue.
With the adjacency list structure shown in accompanying drawing 3, this step b02 is described below:
The ergodic process of concrete every bar feeder line is as follows:
A) [outlet switch 1] is first, and first-selected output records node [outlet switch 1], and the value of its access flag array is set to 1, its adjacent device is added access flag array (namely add and wait to travel through queue) simultaneously;
B) then find its adjacent device for [isolating switch 1], export record [isolating switch 1] and the value of its access flag array is set to 1, its adjacent device being added access flag array simultaneously;
C) adjacent device then traveling through output [1 of isolating switch] is [disconnector 1] and the value of its access flag array is set to 1, its adjacent device is added access flag array simultaneously;
D) again travel through the adjacent device [cable branch box 1] of output [disconnector 1] and the value of its access flag array is set to 1, its adjacent device being added access flag array simultaneously;
E) travel through and export adjacent device [distribution transforming 1] and [distribution transforming 2] of [cable branch box 1]; Then first travel through the adjacent device [block switch 1] of output [distribution transforming 1] according to the first in first out of breadth first traversal, and the value of its access flag array is set to 1, its adjacent device is added access flag array simultaneously;
F) again travel through the adjacent device of [distribution transforming 2], due to distribution transforming 2 be terminal kind equipment then the direct value by its access flag array be set to 1;
G) finally travel through [block switch 1], because this equipment is also terminal kind equipment, then the direct value by its access flag array is set to 1.Because mark access array is 0 without device flag value, then travel through end, then from [outlet switch 1] for starting point feeder plant search spread is complete.
According to above method, all feeder lines that this switch changed position such as [outlet switch 2], [outlet switch 3] has influence on are carried out search spread according to breadth-first search, and carries out the up-to-date line chart of layout drafting generation according to Dynamic Distribution's algorithm (as dynamic programming algorithm, Orthogonal Genetic Algorithm etc.).
According to above method, according to switch changed position information, the line chart relevant to this grid switching operation is updated to last state, simultaneously provide external service interface can be SVG file that other operation system provides up-to-date line chart and network chart.
The present invention is based on the basis of Real-Time Switch displacement information, corresponding network chart and line chart is upgraded by breadth-first search, make it be consistent with on-the-spot topology situation of powering, achieve the quasi real time renewal of thematic map, for scheduling, Yun Jiandeng production division librarian use.Ensure that line chart and network chart real-time update and real scene are consistent, the real-time of renewal is better, and achieve three figure interlocks, the work for first-line staff provides and supports accurately and efficiently.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1., based on an electric power thematic map update method for Real-Time Switch action, it is characterized in that, the update method of network chart comprises the steps:
Step 1, the switch changed position information obtaining this grid switching operation and network of relation diagram data, enter step 2;
Step 2, judge whether interconnection switch action, if without, enter step 3, otherwise enter step 4;
Step 3, judge whether wiretap has action upgrade on off state accordingly, the equipment under all feeder lines of outlet switch generation action of simultaneously upgrading is for power down mode;
Step 4, upgrade all on off states, and find out the feeder line be associated with interconnection switch, enter step 5;
Step 5, for each interconnection switch that action occurred, according to breadth-first search and topological relation, upgrade be associated with this interconnection switch feeder line corresponding device confession power down mode.
2. a kind of electric power thematic map update method based on Real-Time Switch action according to claim 1, it is characterized in that, step 3 specifically comprises the steps:
Step 301, judged whether outlet switch disconnect action, if having, the feeder plant upgrading this outlet switch is all power down mode, and upgrades the state of other respective switch action;
Step 302, judged whether that outlet switch closes action, if having, the feeder plant upgrading this outlet switch is all power supply state, and what upgrade the state of other respective switch action and respective switch upstream device stops power supply state simultaneously;
If step 303 is without outlet switch action, then upgrade corresponding block switch operating state, and upgrade its upstream device stop power supply state.
3. a kind of electric power thematic map update method based on Real-Time Switch action according to claim 2, is characterized in that, in step 303,
(1) if outlet switch is off, block switch and upstream device thereof are power down mode;
(2) if outlet switch for close and block switch for closing, its upstream device is power supply state, if outlet switch is for close and block switch is off, its upstream device is power down mode.
4. a kind of electric power thematic map update method based on Real-Time Switch action according to claim 1, it is characterized in that, the update method of line chart comprises the steps:
Step a, the equipment of all feeder lines of this switch changed position informational influence to be classified, be divided into initial kind equipment, intermediate equipment and terminal kind equipment, and build corresponding cluster tool, wherein, initial kind equipment is outlet switch or interval, the Switch equipment that terminal kind equipment is off and the electrical equipment without upstream device, remaining is intermediate equipment;
Step b, set up the equipment adjacency table of each many feeder lines according to the topological relation of electrical equipment, breadth-first search is adopted to travel through every bar feeder plant and extract, layout drafting is carried out, the line chart that more newly-generated and every bar feeder switch is corresponding according to the topological logic relation after change and Dynamic Distribution's algorithm.
5. a kind of electric power thematic map update method based on Real-Time Switch action according to claim 4, is characterized in that, specifically comprise the steps: in step b
Step b01, a definition access flag array, be used for recording the whether accessed mistake of this node, wherein, the not accessed mistake of 0 representative, 1 represents accessed mistake; The value of initialization tense marker array is 0 entirely, before each node of traversal, all will access this mark array, see whether numerical value is 1, if not 1 is set to 1;
The ergodic process of step b02, concrete every bar feeder line is as follows: from outlet switch, the adjacent device of fetch equipment carries out stopping power supply and plays up, and adjacent device is added treat, in traversal device queue, to upgrade corresponding line chart data, judge to treat whether traversal device queue has equipment;
If nothing, then terminate the traversal of this feeder line, enter the traversal of next feeder line;
Otherwise, continue the adjacent device of fetch equipment and carry out stopping power supply and play up, and adjacent device is added treat, in traversal device queue, to upgrade corresponding line chart data, until treat there is no equipment in traversal device queue.
6. a kind of electric power thematic map update method based on Real-Time Switch action according to claim 1, it is characterized in that, after each grid switching operation, switch changed position Information encapsulation is become the switch motion information flow xml file of following form, and being pushed to information management great Qu by lateral isolation device, form is: sequence number 1:[switch number 1, switchtype 1, switch motion 1, actuation time 1]; Sequence number 2:[switch number 2, switchtype 2, switch motion 2, actuation time 2]; Sequence number n:[switch number n, switchtype n, switch motion n, actuation time n], wherein, a n representative altogether grid switching operation n switch.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521123A (en) * | 2018-04-26 | 2018-09-11 | 福建积微科技有限公司 | A kind of visual more contact point distribution network failure section correlating methods |
| CN110378049A (en) * | 2019-07-24 | 2019-10-25 | 广东电网有限责任公司 | A kind of 10 KV line looped network drawing creation method and system of power distribution network |
| CN112016833A (en) * | 2020-08-28 | 2020-12-01 | 广东电网有限责任公司广州供电局 | Line loss acquisition method and device for power network, computer equipment and medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104123675A (en) * | 2013-04-27 | 2014-10-29 | 国家电网公司 | Power distribution network simulation research and analysis system and method based on network-wide data |
-
2015
- 2015-11-12 CN CN201510770127.6A patent/CN105259751B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104123675A (en) * | 2013-04-27 | 2014-10-29 | 国家电网公司 | Power distribution network simulation research and analysis system and method based on network-wide data |
Non-Patent Citations (4)
| Title |
|---|
| WU KEHE，WANG XIAO HUI: "The Integration of GIS and Real-time Monitoring System for Power Grid", 《2010 INTERNATIONAL CONFERENCE ONELECTRICAL AND CONTROL ENGINEERING》 * |
| 王丹君等: "电力专题图自动发布至Web页的技术实现_=", 《湖北电力》 * |
| 程磊等: "矿井通风网络图自动绘制技术研究", 《工矿自动化》 * |
| 陈艳等: "配电网络图电子化在配电自动化***的实现", 《SILICON VALLEY》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521123A (en) * | 2018-04-26 | 2018-09-11 | 福建积微科技有限公司 | A kind of visual more contact point distribution network failure section correlating methods |
| CN108521123B (en) * | 2018-04-26 | 2020-02-14 | 福建积微科技有限公司 | Visual multi-contact-point power distribution network fault section association method |
| CN110378049A (en) * | 2019-07-24 | 2019-10-25 | 广东电网有限责任公司 | A kind of 10 KV line looped network drawing creation method and system of power distribution network |
| CN110378049B (en) * | 2019-07-24 | 2021-01-22 | 广东电网有限责任公司 | Method and system for generating 10 kV line ring network drawing of power distribution network |
| CN112016833A (en) * | 2020-08-28 | 2020-12-01 | 广东电网有限责任公司广州供电局 | Line loss acquisition method and device for power network, computer equipment and medium |
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