CN103116624B - A kind of automatic identifying method for medium voltage distribution network dual-ring network Connection Mode - Google Patents
A kind of automatic identifying method for medium voltage distribution network dual-ring network Connection Mode Download PDFInfo
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- CN103116624B CN103116624B CN201310035303.2A CN201310035303A CN103116624B CN 103116624 B CN103116624 B CN 103116624B CN 201310035303 A CN201310035303 A CN 201310035303A CN 103116624 B CN103116624 B CN 103116624B
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Abstract
The invention discloses a kind of automatic identifying method for medium voltage distribution network dual-ring network Connection Mode in power distribution network statistical estimation field.Its technical scheme is that centering is press-fitted Power grid structure and encodes, the power supply number that deep search feeder line to be detected is got in touch with; If contact power supply number is 1, the dual-ring network then entering two separate single annular types differentiates, the distribution box that all Single-ring network interconnectors pass through or ring main unit queue are mated, the Single-ring network that there is coupling queue is judged as the dual-ring network of two separate single annular types; If contact power supply number is 3, the dual-ring network then entering Switching Station pattern differentiates, adopt the mode that deep search and turnover search combine, contact power supply number in analysis search procedure and interconnection, by the match condition of Switching Station queue, complete the dual-ring network Connection Mode identification of Switching Station pattern.The present invention solves the identification problem of power distribution network statistical estimation software for dual-ring network Connection Mode effectively.
Description
Technical field
The invention belongs to power distribution network statistical estimation field, particularly relate to a kind of automatic identifying method for medium voltage distribution network dual-ring network Connection Mode.
Background technology
Connection Mode identification is an important indicator of power distribution network statistical estimation, and dual-ring network wiring is a kind of Connection Mode of medium voltage distribution network, is the target Connection Mode of A, B, C class power supply area.Dual-ring network wiring comprises: the implementation pattern that Switching Station pattern is different from two separate single annular types two kinds.For the dual-ring network Connection Mode identification of medium voltage distribution network, need to develop corresponding software recognizer and process.
Designing and Implementing dual-ring network Connection Mode recognizer, is the important component part realizing medium voltage distribution network statistical estimation function.The Connection Modes in Medium-voltage Distribution Systems recognizer that current domestic and foreign literature proposes mainly adopts mode identification method, and this method can not complete the dual-ring network Connection Mode identification of Switching Station pattern, has been difficult to accurate statistics and the assessment of power distribution network.
Summary of the invention
Automatically cannot identify the problem of two type dual-ring network Connection Modes for current power distribution network statistical estimation software, the present invention proposes a kind of automatic identifying method for medium voltage distribution network dual-ring network Connection Mode.
For an automatic identifying method for medium voltage distribution network dual-ring network Connection Mode, its feature comprises the following steps:
Step 1: all feeder lines to be identified are carried out database coding, the coding of every bar branch road comprises front nodal point coding, posterior nodal point coding and branch type;
Step 2: for feeder line DK to be identified, from its power supply node, find contact power supply according to the annexation of node before and after branch road, be circuit trunk by the contact path definition between power supply node;
Step 3: if the power supply number that feeder line DK to be identified gets in touch with is 1, be then temporarily judged to be Single-ring network Connection Mode;
Step 4: add up distribution box/ring main unit queue that all Single-ring networks identified pass through, the Single-ring network identical and sequentially identical or contrary for distribution box/ring main unit queue content, is judged to be the dual-ring network of two separate single annular types by the two;
The discriminating step of the dual-ring network of two separate single annular types is:
(1): extreme saturation from the power supply node of feeder line to be detected, can search power supply 1, then feeder line is temporarily judged to be Single-ring network, and the distribution box in record trunk traverse path or ring main unit title, form queue [distribution box A, distribution box B];
(2): for getting in touch with power supply 2 and the other feeder line to be detected of power supply 3, might as well establish and carry out extreme saturation from power supply 2, can Single-ring network be judged to be, and queue [distribution box A, distribution box B] can be formed;
(3): the distribution box formed all Single-ring networks or ring main unit queue are mated, then feeder line L1 mates with the distribution box queue of feeder line L2, and the two 4 power supply node connect is completely different, then the Connection Mode of feeder line L1 and L2 is judged to be the dual-ring network of two separate single annular types;
Step 5: if the power supply number that feeder line DK to be identified gets in touch with is 3, setting power supply number is respectively: 1,2 and 3, then from the power supply node of feeder line DK to be identified, carry out first time passes in and out search, and records the Switching Station queue L1 passed through in legal path; Turnover search is defined as in search procedure the switch that can only pass twice through in same Switching Station, and more than twice is the illegal route;
Step 6: if in step 5, the contact power supply number of trying to achieve is searched in first time turnover is 1, then determine the power supply number of described contact power supply; And from two other power supply optional one carry out second time and pass in and out search, record the Switching Station queue L2 passed through in legal path;
Step 7: if in step 6, the contact power supply number of trying to achieve is searched in second time turnover is 1, then to opening and closing stand in line row L1 and L2 mate, if two queue content are identical and order is identical or contrary, then feeder line DK to be identified is judged to be the dual-ring network of Switching Station pattern, terminates.
The invention has the beneficial effects as follows, propose a kind of automatic identifying method for medium voltage distribution network dual-ring network Connection Mode, using feeder line contact power supply number as the condition precedent differentiated, turnover search is used to realize feeder line accurately solving by Switching Station queue, definite conception, clear thinking, analytical calculation is accurate, effectively can solve the identification problem of power distribution network statistical estimation software for dual-ring network Connection Mode.
Accompanying drawing explanation
Fig. 1 is Single-ring network backbone terminal figure provided by the invention;
Fig. 2 is the dual-ring network backbone terminal figure of two separate single annular types provided by the invention;
Fig. 3 is turnover search rule schematic diagram provided by the invention;
Fig. 4 is the dual-ring network backbone terminal figure of Switching Station pattern provided by the invention;
Fig. 5 is that dual-ring network Connection Mode provided by the invention differentiates process flow diagram.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.It should be emphasized that following explanation is only exemplary, instead of in order to limit the scope of the invention and apply.
Fig. 1 is Single-ring network backbone terminal figure provided by the invention.In Fig. 1, from feeder line power supply node to be detected, the switch in several distribution boxes or ring main unit, contacts another power supply node, thus forms Single-ring network.
Fig. 2 is the dual-ring network backbone terminal figure of two separate single annular types provided by the invention.In Fig. 2, comprise 4 power supply nodes and form two interconnections, the distribution box that two interconnections pass through or ring main unit queue identical.The discriminating step of the dual-ring network of two separate single annular types is:
Step 1: extreme saturation from the power supply node of feeder line to be detected, can search power supply 1, then feeder line is temporarily judged to be Single-ring network, and the distribution box in record trunk traverse path or ring main unit title, form queue [distribution box A, distribution box B];
Step 2: for getting in touch with power supply 2 and the other feeder line to be detected of power supply 3, might as well establish and carry out extreme saturation from power supply 2, can Single-ring network be judged to be, and queue [distribution box A, distribution box B] can be formed;
Step 3: the distribution box formed all Single-ring networks or ring main unit queue are mated, then feeder line L1 mates with the distribution box queue of feeder line L2, and the two 4 power supply node connect is completely different, then the Connection Mode of feeder line L1 and L2 is judged to be the dual-ring network of two separate single annular types.
Fig. 3 is turnover search rule schematic diagram provided by the invention.Turnover search is defined as: can only pass twice through the switch in same Switching Station in search procedure, more than twice is the illegal route.In Fig. 3, the path 1 of dotted line is due to when by Switching Station A, and by means of only two Switching Station switches, meeting the requirement of turnover search, is legal path.The path 2 of chain line, due to by 3 Switching Station switches, does not meet turnover searching requirement.
Fig. 4 is the dual-ring network backbone terminal figure of Switching Station pattern provided by the invention.Relative to the dual-ring network wiring of two separate single annular types, this Connection Mode has the interconnection switch between bus in Switching Station.The identification step of such dual-ring network Connection Mode is:
Step 1: carry out extreme saturation from the power supply node of feeder line to be detected, can search 3 contact power supply nodes, might as well called after power supply 1,2 and 3.Carry out turnover search from the power supply node of feeder line to be detected again, now can search power supply 1, and the Switching Station queue [Switching Station A, Switching Station B] that record turnover searching route is passed through;
Step 2: because the contact power supply searched from feeder line to be detected is power supply 1, then an optional power supply from remaining power supply 2,3; Power supply 2 might as well be selected to carry out turnover search, then can search power supply 3, and the Switching Station queue [Switching Station A, Switching Station B] passing in and out searching route and pass through can be recorded;
Step 3: because step 1 is mated mutually with two Switching Station queues of step 2 kind of gained, and the power supply number of twice turnover search gained is 1, then feeder line to be detected can be judged to be the dual-ring network wiring of Switching Station pattern.
Fig. 5 is that dual-ring network Connection Mode provided by the invention differentiates process flow diagram.Connection Mode for other type differentiates, has carried out corresponding simplification and omission in Fig. 5.
The present invention proposes the theories and concepts related that turnover search is mated with Switching Station (distribution box, ring main unit) queue, clear thinking, calculate accurately, can realize accurately identifying the dual-ring network of two types in medium voltage distribution network.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (1)
1., for an automatic identifying method for medium voltage distribution network dual-ring network Connection Mode, its feature comprises the following steps:
Step 1: all feeder lines to be identified are carried out database coding, the coding of every bar branch road comprises front nodal point coding, posterior nodal point coding and branch type;
Step 2: for feeder line DK to be identified, from its power supply node, find contact power supply according to the annexation of node before and after branch road, be circuit trunk by the contact path definition between power supply node;
Step 3: if the power supply number that feeder line DK to be identified gets in touch with is 1, be then temporarily judged to be Single-ring network Connection Mode;
Step 4: add up distribution box/ring main unit queue that all Single-ring networks identified pass through, the Single-ring network identical and sequentially identical or contrary for distribution box/ring main unit queue content, is judged to be the dual-ring network of two separate single annular types by the two;
The discriminating step of the dual-ring network of two separate single annular types is:
(1): extreme saturation from the power supply node of feeder line to be detected, can search power supply 1, then feeder line is temporarily judged to be Single-ring network, and the distribution box in record trunk traverse path or ring main unit title, form queue [distribution box A, distribution box B];
(2): for getting in touch with power supply 2 and the other feeder line to be detected of power supply 3, might as well establish and carry out extreme saturation from power supply 2, can Single-ring network be judged to be, and queue [distribution box A, distribution box B] can be formed;
(3): the distribution box formed all Single-ring networks or ring main unit queue are mated, then feeder line L1 mates with the distribution box queue of feeder line L2, and the two 4 power supply node connect is completely different, then the Connection Mode of feeder line L1 and L2 is judged to be the dual-ring network of two separate single annular types;
Step 5: if the power supply number that feeder line DK to be identified gets in touch with is 3, setting power supply number is respectively: 1,2 and 3, then from the power supply node of feeder line DK to be identified, carry out first time passes in and out search, and records the Switching Station queue L1 passed through in legal path; Turnover search is defined as in search procedure the switch that can only pass twice through in same Switching Station, and more than twice is the illegal route;
Step 6: if in step 5, the contact power supply number of trying to achieve is searched in first time turnover is 1, then determine the power supply number of described contact power supply; And from two other power supply optional one carry out second time and pass in and out search, record the Switching Station queue L2 passed through in legal path;
Step 7: if in step 6, the contact power supply number of trying to achieve is searched in second time turnover is 1, then to opening and closing stand in line row L1 and L2 mate, if two queue content are identical and order is identical or contrary, then feeder line DK to be identified is judged to be the dual-ring network of Switching Station pattern, terminates.
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| CN111126236A (en) * | 2019-12-19 | 2020-05-08 | 国网江苏省电力有限公司经济技术研究院 | Standard wiring type identification method and device based on topological feature and pattern identification |
| CN111884209B (en) * | 2020-07-22 | 2024-01-05 | 海南电网有限责任公司 | Characteristic quantity extraction-based medium-voltage line typical wiring mode identification method |
| CN113809740B (en) * | 2021-09-13 | 2023-06-30 | 广东电网有限责任公司 | Wiring mode identification method, device, medium and equipment for medium-voltage distribution network |
| CN113964827B (en) * | 2021-10-27 | 2024-07-26 | 深圳供电局有限公司 | Medium-voltage distribution network wiring mode identification method based on feeder line group characteristic parameter clustering |
| CN116521951B (en) * | 2023-07-03 | 2023-10-20 | 南方电网数字电网研究院有限公司 | Method, device, equipment and medium for identifying bus wiring pattern of 500kV transformer substation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888096A (en) * | 2010-07-19 | 2010-11-17 | 福建省电力试验研究院 | Triangle extension power-supply system |
| CN102170144A (en) * | 2011-04-15 | 2011-08-31 | 福建省电力有限公司电力科学研究院 | Chain extension power supply system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888096A (en) * | 2010-07-19 | 2010-11-17 | 福建省电力试验研究院 | Triangle extension power-supply system |
| CN102170144A (en) * | 2011-04-15 | 2011-08-31 | 福建省电力有限公司电力科学研究院 | Chain extension power supply system |
Non-Patent Citations (3)
| Title |
|---|
| 城市中压配电网接线模式识别;肖峻 等;《电网技术》;20031024;第27卷(第10期);92-95 * |
| 郑州市郑东新区中压配电网接线模式研究;朱勇;《中国优秀硕士学位论文全文数据库 信息科技辑》;20060815;全文 * |
| 配电系统接线模式模型和模式识别的研究与实现;王哲;《中国优秀硕士学位论文全文数据库 信息科技辑》;20111215;全文 * |
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