CN102129007A - Method for judging safe area of T-shaped electric power circuit work ticket based on regular way - Google Patents
Method for judging safe area of T-shaped electric power circuit work ticket based on regular way Download PDFInfo
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- CN102129007A CN102129007A CN2010105929459A CN201010592945A CN102129007A CN 102129007 A CN102129007 A CN 102129007A CN 2010105929459 A CN2010105929459 A CN 2010105929459A CN 201010592945 A CN201010592945 A CN 201010592945A CN 102129007 A CN102129007 A CN 102129007A
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Abstract
The invention discloses a method for judging a safe area of a T-shaped electric power circuit work ticket based on a regular way. The method comprises the following three steps of: (1) based on a graphical billing system, building a network topology relation chart of a T-shaped electric power circuit, encoding a grounded switch and a fault point in a real-number-coding way; (2) on the basis of acquiring the minimum closed interval of the grounded switch which contains a fault maintaining point on the main circuit, and automatically identifying whether the closed interval contains a branch circuit or not according to codes of two end points of the closed interval; (3) establishing a judging rule of the safe area of the fault maintaining point on the main circuit; and (4) based on an encoding rule, building a method for projecting from the branch circuit to the main circuit, projecting the fault maintaining point of the branch circuit to the main circuit, and obtaining a judging conclusion applied to the safe area of the fault maintaining point of the main circuit after projection. By the method, the billing efficiency of the work ticket can be improved; the requirement of quick, convenient and accurate management on the work ticket is met; and the problem of construction safety and grid reliability is solved.
Description
Technical field
The present invention relates to a kind of T type power circuit work ticket safety zone decision method of rule-based mode.
Background technology
The line work ticket is the prerequisite that guarantees safety in production, and its whether qualified problem that is directly connected to construction teams and groups' personal safety and system stability reliability service is significant to safety in production.The line work ticket is meant when working on the power circuit that has put into operation, clear and definite staff, the task that hands over work to one's successor and action, implement technical safety measures, fulfil the written foundation of work permit, work monitoring, work interruption, transfer and termination, can be divided into first kind of work ticket and second kind of work ticket again.When power circuit overhauls or constructs, for guaranteeing safety, at first to handle first kind of work ticket of power circuit, finish the operation that has a power failure by power scheduling and relevant electric substation then after, maintenance or staff just can enter the working site.In the process of power circuit from having a power failure to working, handling first kind of work ticket of power circuit is the first road program, and work has detailed task, work place, each isolating switch that need stop, switch on the nominal value and for further guaranteeing ground wire position that safety is hung etc.Have only and handled the line work ticket fastidiously, could eliminate accident in bud, could really hold trouble free service first and close.
At present, the continuous development of national grid, the electrical network scale continues huge, relevant transmission line of electricity One's name is legion, power grid construction improvement project amount is very big, and circuit is also increased by the incident of outside destroy year by year, need handle and use a large amount of first kind of work tickets of transmission line of electricity.But along with the continuous development of electric system, the complexity day by day of electric network composition, require fast, the operation order work of writing accurately is faced with unprecedented challenge, obviously, traditional manual operation ticket mode of writing can not satisfy the requirement under the electric system new development situation, and this reliability service to construction safety and electrical network brings great potential safety hazard.Under the new situation this, the conventional management pattern of electrical network production can not satisfy the demand of power grid security economical operation.The information work of electric system at present is penetrated into the every field of power supply enterprise gradually, and is especially in the production work of power supply enterprise, urgent day by day for informationalized demand.
The work about electric power ticket is the indivisible important step of operation power.In order to guarantee the rigorous, safe, efficient of work about electric power ticket system, the application of work ticket system is paid much attention in power scheduling.So the exploitation of intelligent electric power work ticket system is necessary.It is necessary formulating new work about electric power ticket content and management method according to " State Grid Corporation of China's electric power safety working regulation " of promulgation, is the important topic that the yardman studies.Regulatory requirement at the line work ticket, some colleges and universities and scientific research institutions have successively carried out research in this respect both at home and abroad, as universities and colleges such as Tsing-Hua University, North China Electric Power University, the Central China University of Science and Technology, operation order, Work Bill Management System have been developed at dispatching centers at different levels.Many software vendor are also developed visual, patterned work ticket billing system, judge methods such as the adjacency matrix method that mainly adopted aspect the core technology based on graph theory, tree search procedure, connection matrix complementary minor method in the work ticket safety zone, the distinct disadvantage of these methods is that calculated amount is big, function singleness, waste of storage space.
Summary of the invention
Purpose of the present invention just provides a kind of T type power circuit work ticket safety zone decision method of rule-based mode, it can improve the efficient of making out an invoice of work ticket, satisfy quick, convenient, work ticket management expectancy accurately, solve the reliability difficult problem of construction safety and electrical network.
The T type power circuit work ticket safety zone decision method of rule-based mode of the present invention, feature comprises four major parts: (1) is based on graphical billing system, make up the network topology graph of a relation of T type power circuit, and adopt the real coding mode that grounding switch and trouble spot are encoded; (2) on the basis that obtains the grounding switch the smallest closed interval that comprises breakdown maintenance point on the main line, can discern this closed interval automatically according to the two-end-point coding of closed interval and whether comprise branch line, and can obtain the concrete branch line set element that is comprised; (3) set up the decision rule that the breakdown maintenance point is positioned at the safety zone on the main line.Decision rule is by the smallest closed interval that comprises breakdown maintenance point, and the contained branch line set and the branch line grounding switch point of the smallest closed interval are formed to basic skills such as main line projections; (4) based on coding rule, set up the method for a kind of alignment main line projection,, obtain and be suitable for judgement conclusion in main line breakdown maintenance point safety zone behind the subpoint the projection on main line of branch line breakdown maintenance point, simplify the judgement type, guaranteed the unitarity of decision rule.
The T type power circuit work ticket safety zone decision method of a kind of rule-based mode of the present invention has the following advantages:
(1) adopts the coded system of composing the MIDAS mixed data structure of meaning fully, not only can be used as the sign of distinguishing grounding switch, and reflected network topology positional information between the grounding switch, and can also be used to calculate the branch line set element of finding the solution the closed interval and comprising, embody multi-usage, validity and the intellectuality of coding.
(2) the present invention is based on the projection pattern that rounds of encoding and help simplifying the grounding switch type of coding, unified safety zone judgement of arriving based on main line breakdown maintenance point is judged in the safety zone of branch line breakdown maintenance point, guaranteed the unitarity and the validity of decision rule.
(3) decision method of rule-based safety zone of the present invention is simple, and calculated amount is little, and it is fast that algorithm is carried out efficient.Compare based on graph theory method, such as the structure adjacency Matrix Method, the ranks of the adjacency matrix that it need be constructed are 22*22, and calculated amount is relatively large.
Description of drawings
Fig. 1 is the network topology relation on T molded lines road and the coding exemplary plot of grounding switch.
Embodiment
A kind of simple and easy decision method in T type power circuit work ticket safety zone of rule-based mode, feature comprises four major parts:
1,, makes up the network topology graph of a relation of T type power circuit, and adopt three bit-level coding modes that grounding switch and trouble spot are encoded based on graphical billing system.
Coding method comprises number of different types, and three kinds of methods are arranged usually, promptly do not have compose the meaning compiling method, compose the meaning compiling method fully, part is composed meaning and is added the characteristic attribute compiling method.
Do not have to compose the meaning compiling method: without any implication, generally be numbered in order with the coding of the method establishment.
Part is composed meaning and is added the characteristic attribute compiling method: add the serial number Methods for Coding by part tax meaning coding and encode, compose the characteristic of meaning and undertaken by the supplementary features attribute.Be characterized in only describing its part characteristic with a coding.Be that this coding has certain implication, but just the part coding section there is implication, and describes a part of characteristic.
Compose the meaning compiling method fully: the total bit of coding is divided into several sections, represents some characteristics successively, and a coding describes characteristic with all and all defined, thereby guarantee uniqueness.
Hierarchical structure
Sign indicating number is a membership between the position, can comprise more information with less sign indicating number position, but this structured coding and identification is not too convenient.
Chain structure
The numeral of each yard position has independently implication, and the quantity of information that is comprised is lacked than tree formula structure, but simple in structure, is easy to coding and identification.
Mixed structure
Most of commercial part coding system all is by above-mentioned two kinds of mixed structures that coded system combines, and has the common advantage of solid size structure and many code structures, can satisfy the needs of information coding best.
The present invention adopts and composes the meaning compiling method, and the coded data structure adopts mixed structure.The coding form of expression of grounding switch is a type real, is made up of integral part and fraction part.Grounding switch on main line numbering is since 1 serialization successively, and has only integral part, and fraction part is 0, and for example 1.0,2.0,3.0,4.0,5.0,6.0 ..., 13. wherein 4.0 the expression the 4th grounding switch coding; And the integral part of the coding of the grounding switch on the branch line is the numbering integral part of the projection switching point of this branch line on main line, fraction part then according to from the distance of main line from the close-by examples to those far off successively since 1 serialization, promptly the fraction part from the nearest grounding switch of main line is 1, for example 4.1,4.2,4.3, wherein on 4.1 first branch lines of expression from the coding of that nearest grounding switch of main line.By this real coding mode, both can distinguish main line grounding switch and branch line switchtype, the calculating that simultaneously can also be used to obtain the smallest closed interval, and judge for the safety zone of follow-up breakdown maintenance point on branch line is pre-provide calculate basic.
2, on the basis that obtains the grounding switch the smallest closed interval that comprises breakdown maintenance point on the main line, can discern this closed interval automatically according to the two-end-point coding of closed interval and whether comprise branch line, and can obtain the concrete branch line set that is comprised.
(1) obtains the grounding switch the smallest closed interval that comprises breakdown maintenance point on the main line.
Therefore the user may select several grounding switches arbitrarily on main line, comprising the trouble spot has a group coding sequence interior, obtain to comprise grounding switch the smallest closed interval of breakdown maintenance point, need only get two adjacent numbers to this group coding sequence permutation and get final product.
(2) discern this closed interval automatically according to the two-end-point coding of closed interval and whether comprise branch line, and obtain the concrete branch line set that is comprised.
After having obtained comprising grounding switch the smallest closed interval of breakdown maintenance point on the main line, the two-end-point of this closed interval coding also promptly obtains, and judge whether this interval comprises branch line and specifically comprise which branch line this moment, can judge by the Boolean calculation result of set.Get the end points numbering successively, and with 4.0,7.0,10.0 three coded numbers compare, if end-point encoding greater than 4.0, then increases element 4.0 in set; If greater than 7.0, then in set, increase element 7.0; If end-point encoding greater than 10.0, then increases element 10.0 in set; Can obtain the set A and the set B of two end points after progressively comparing; the difference set computing of gathering then; be C=B-A; element among the set C has promptly been represented the branch line number that this closed interval comprises and specifically has been which branch line; such as C={4.0; 7.0}, represent that promptly this closed interval protected branch line 1, branch line 2.
3, set up the decision rule that the breakdown maintenance point is positioned at the safety zone on the main line.
(1) if breakdown maintenance point on main line, and the grounding switch quantity on the main line is less than 2, judges directly that then this breakdown maintenance point zone is dangerous;
(2) if breakdown maintenance point on main line, and the grounding switch quantity on the main line is more than or equal to 2, then makes up the grounding switch the smallest closed interval that comprises breakdown maintenance point., this smallest closed interval judges directly that this breakdown maintenance point zone is dangerous if not existing.
(3) if breakdown maintenance point on main line, and the grounding switch quantity on the main line is more than or equal to 2, and has the grounding switch the smallest closed interval that comprises breakdown maintenance point.If this smallest closed interval does not comprise branch line, then directly judge this breakdown maintenance point region security.
(4) if breakdown maintenance point on main line, and the grounding switch quantity on the main line is more than or equal to 2, and has the grounding switch the smallest closed interval that comprises breakdown maintenance point.If this smallest closed interval comprises branch line, then according to whether having earth point on all branch lines that comprise, whether judge safety to have grounding switch on the branch line if respectively comprise, then directly judge this breakdown maintenance point region security; Comprise else if on any branch line and do not have grounding switch, judge directly that then this breakdown maintenance point zone is dangerous.
4, based on coding rule, set up the method for an alignment main line projection, by with the projection on main line of branch line breakdown maintenance point, obtain the main line subpoint after, the fault subpoint is suitable for main line breakdown maintenance point safety zone again and judges conclusion, simplification judgement type.
The breakdown maintenance subpoint is judged in advance in the safety zone on the branch line: if on branch line, then must there be the coding of the coding of a grounding switch greater than this breakdown maintenance point in breakdown maintenance point, otherwise directly judge dangerous on this branch line; If on branch line, and there be the coding of the coding of a grounding switch greater than this breakdown maintenance point in breakdown maintenance point, and there is the grounding switch the smallest closed interval that comprises breakdown maintenance point, directly judges safety.
The breakdown maintenance subpoint is being judged to the main line projection on the branch line: if breakdown maintenance point is on branch line, and there be the coding of the coding of a grounding switch greater than this breakdown maintenance point, but there is not the grounding switch the smallest closed interval that comprises breakdown maintenance point, then set up branch line breakdown maintenance point projecting method on main line, then subpoint is suitable for the decision rule that the breakdown maintenance point is positioned at the safety zone on the main line, with the safety zone of judging actual breakdown maintenance point safety whether.
(1) branch line breakdown maintenance point projecting method on main line
According to coding rule, the integral part of the breakdown maintenance point coding on the branch line has embodied the numbering integral part of the projection switching point of this branch line on main line, the ordering of fraction part trouble spot on branch line.Therefore based on this coded system, the projecting method of branch line trouble spot is just simple relatively, and obtain subpoint and the fraction part of the coding of trouble spot need only be composed 0 and round and get final product, be 4.0 such as 4.1 subpoints on main line.
(2) set up the decision rule of the safety zone of breakdown maintenance subpoint on main line.
(a) the breakdown maintenance subpoint is on main line, and the grounding switch quantity on the main line directly judges then that less than 2 this breakdown maintenance point zone is dangerous;
(b) the breakdown maintenance subpoint is on main line, and the grounding switch quantity on the main line then makes up the grounding switch the smallest closed interval that comprises breakdown maintenance point more than or equal to 2., this smallest closed interval judges directly that this breakdown maintenance point zone is dangerous if not existing.
(c) the breakdown maintenance subpoint is on main line, and the grounding switch quantity on the main line is more than or equal to 2, and has the grounding switch the smallest closed interval that comprises breakdown maintenance point.If this smallest closed interval does not comprise branch line, then directly judge this breakdown maintenance point region security.
(d) the breakdown maintenance subpoint is on main line, and the grounding switch quantity on the main line is more than or equal to 2, and has the grounding switch the smallest closed interval that comprises breakdown maintenance point.If this smallest closed interval comprises branch line, then according to whether having earth point on all branch lines that comprise, whether judge safety to have grounding switch on the branch line if respectively comprise, then directly judge this breakdown maintenance point region security; Comprise else if on any branch line and do not have grounding switch, judge directly that then this breakdown maintenance point zone is dangerous.
Claims (1)
1. the T type power circuit work ticket safety zone decision method of a rule-based mode, it is characterized in that: it comprises three parts:
(1), makes up the network topology graph of a relation of T type power circuit, and adopt the real coding mode that grounding switch and trouble spot are encoded based on graphical billing system;
(2) on the basis that obtains the grounding switch the smallest closed interval that comprises breakdown maintenance point on the main line, can discern this closed interval automatically according to the two-end-point coding of closed interval and whether comprise branch line, and can obtain the concrete branch line set element that is comprised;
(3) set up the decision rule that the breakdown maintenance point is positioned at the safety zone on the main line, decision rule is by the smallest closed interval that comprises breakdown maintenance point, and the contained branch line set and the branch line grounding switch point of the smallest closed interval are formed to basic skills such as main line projections;
(4) based on coding rule, set up the method for a kind of alignment main line projection, with the projection on main line of branch line breakdown maintenance point, obtain and be suitable for judgement conclusion in main line breakdown maintenance point safety zone behind the subpoint.
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| CN2010105929459A CN102129007A (en) | 2010-12-17 | 2010-12-17 | Method for judging safe area of T-shaped electric power circuit work ticket based on regular way |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730392A (en) * | 2015-04-03 | 2015-06-24 | 河南理工大学 | Mine high-voltage power grid quick-break setting inspection method based on topological structure coding |
| CN112054511A (en) * | 2020-08-19 | 2020-12-08 | 厦门盈盛捷电力科技有限公司 | Correlation generation method for accident handling measures and standard tickets of power system |
-
2010
- 2010-12-17 CN CN2010105929459A patent/CN102129007A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730392A (en) * | 2015-04-03 | 2015-06-24 | 河南理工大学 | Mine high-voltage power grid quick-break setting inspection method based on topological structure coding |
| CN104730392B (en) * | 2015-04-03 | 2017-05-10 | 河南理工大学 | Mine high-voltage power grid quick-break setting inspection method based on topological structure coding |
| CN112054511A (en) * | 2020-08-19 | 2020-12-08 | 厦门盈盛捷电力科技有限公司 | Correlation generation method for accident handling measures and standard tickets of power system |
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Application publication date: 20110720 |