CN108667021B - Wiring system based on regular graph - Google Patents
Wiring system based on regular graph Download PDFInfo
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- CN108667021B CN108667021B CN201810872148.2A CN201810872148A CN108667021B CN 108667021 B CN108667021 B CN 108667021B CN 201810872148 A CN201810872148 A CN 201810872148A CN 108667021 B CN108667021 B CN 108667021B
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- circuit breaker
- breaker unit
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- wiring system
- regular graph
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- 239000003990 capacitor Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a wiring system based on a regular graph, which comprises a plurality of circuit breaker units, wherein a wiring structure among the circuit breaker units corresponds to an N-regular graph, namely, each branch of the N-regular graph corresponds to one circuit breaker unit, each vertex of the N-regular graph corresponds to a connecting cross point formed by converging and connecting the N circuit breaker units, and the connecting cross point is connected with an external electric circuit. When N of the N-regular graph wiring system is larger than or equal to 3, if two external electrical loops are out of operation due to fault tripping or power failure overhaul and the like, the electrical connectivity of the rest non-shutdown part of the wiring system is not damaged, and the normal operation of the power system is ensured.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a wiring system based on a regular graph.
Background
In the electric power field, as one half-circuit breaker wiring has higher power supply reliability and operation flexibility, any bus fault or overhaul can not interrupt power supply, and the wiring is convenient to operate and simple to operate. And thus are widely used in the electric power field.
In order to fully explain the wiring mode of one half-circuit breaker in the prior art, referring to fig. 1, fig. 1 is a schematic diagram of a wiring system for one half-circuit breaker in the prior art, and the upper diagram is a schematic diagram of the main wiring of two complete half-circuit breakers, wherein 6 circuit breaker units (the circuit breaker units are three-phase circuit breakers, disconnectors and current transformers) are connected, 4 external electrical components (namely, an outgoing line 1, an outgoing line 2, a transformer 1 and a transformer 2) are connected, and if the outgoing line 1 and the transformer 2 (N-2 fault trip) are out of operation, the circuit breaker units #1, the circuit breaker units #2, the circuit breaker units #5 and the circuit breaker units #6 are in an electrical disconnection state, so that the electrical connectivity between the rest electrical equipment (the transformer 1 and the outgoing line 2) is damaged, and the whole electrical power system is affected.
Therefore, how to avoid the damage of electrical connectivity between the remaining electrical devices to ensure the normal operation of the power system when a fault trip occurs in the wiring system of a half-circuit breaker is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to disclose a wiring system based on a regular graph, which prevents electrical connectivity among the rest electrical equipment from being damaged when fault tripping occurs in the wiring system based on the regular graph, thereby further ensuring normal operation of an electrical power system.
In order to achieve the above purpose, the embodiment of the invention discloses the following technical scheme:
the embodiment of the invention discloses a wiring system based on a regular graph, which comprises:
the wiring structure among the breaker units corresponds to an N-regular graph, wherein N is an integer greater than or equal to 3;
each breaker unit corresponds to one branch of the N-regular graph;
the connection intersection of every N of the breaker units corresponds to one vertex of the N-regular graph.
Preferably, the wiring structure between the breaker units corresponds to a 3-regular graph, and the wiring system specifically includes: 12 said breaker units and 8 connection intersections;
the first end of the first circuit breaker unit, the first end of the second circuit breaker unit and the first end of the third circuit breaker unit are all connected;
the second end of the first circuit breaker unit, the first end of the fourth circuit breaker unit and the first end of the seventh circuit breaker unit are all connected;
the second end of the seventh breaker unit, the first end of the eleventh breaker unit and the first end of the twelfth breaker unit are all connected;
the second end of the twelfth circuit breaker unit, the second end of the third circuit breaker unit and the first end of the tenth circuit breaker unit are all connected;
the second end of the second circuit breaker unit, the first end of the fifth circuit breaker unit and the first end of the sixth circuit breaker unit are all connected;
the second end of the sixth breaker unit, the second end of the tenth breaker unit and the first end of the ninth breaker unit are all connected;
the second end of the ninth circuit breaker unit, the second end of the eleventh circuit breaker unit and the first end of the eighth circuit breaker unit are all connected;
the second end of the eighth circuit breaker unit, the second end of the fourth circuit breaker unit and the second end of the fifth circuit breaker unit are all connected.
Preferably, the wiring system specifically includes: 9 said breaker units and 6 said connection intersections;
the first end of the thirteenth circuit breaker unit, the first end of the fifteenth circuit breaker unit and the first end of the sixteenth circuit breaker unit are all connected;
the second end of the thirteenth circuit breaker unit, the first end of the fourteenth circuit breaker unit and the first end of the seventeenth circuit breaker unit are all connected;
the second end of the seventeenth circuit breaker unit, the first end of the eighteenth circuit breaker unit and the second end of the sixteenth circuit breaker unit are all connected;
the second end of the fifteenth circuit breaker unit, the first end of the twentieth circuit breaker unit and the first end of the twenty-first circuit breaker unit are all connected;
the second end of the twentieth circuit breaker unit, the second end of the fourteenth circuit breaker unit and the first end of the nineteenth circuit breaker unit are all connected;
the second end of the nineteenth circuit breaker unit, the second end of the twenty-first circuit breaker unit, and the second end of the eighteenth circuit breaker unit are all connected.
Preferably, each of the circuit breaker units includes: circuit breakers, disconnectors and current transformers.
Preferably, each of the connection intersections is connected with an external electrical circuit.
Preferably, the external electric circuit of each of the connection cross points comprises a transformer, a line, a bus, a reactor and a capacitor.
It can be seen that the wiring system based on the regular graph disclosed in the embodiment of the invention comprises a plurality of circuit breaker units, wherein the wiring structure among the circuit breaker units corresponds to an N-regular graph, that is, each branch of the N-regular graph corresponds to one circuit breaker unit, each vertex of the N-regular graph corresponds to a connection cross point formed by converging and connecting the N circuit breaker units, and the connection cross point is connected with an external electric circuit. When N of the N-regular graph wiring system is larger than or equal to 3, if two external electrical loops are out of operation due to fault tripping or power failure overhaul and the like, the electrical connectivity of the rest non-shutdown part of the wiring system is not damaged, and the normal operation of the power system is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art wiring system for regular graph-based wiring;
FIG. 2 is a schematic diagram of a wiring system structure based on a regular graph according to an embodiment of the present invention;
fig. 3 is a schematic diagram of another wiring system structure based on a regular graph according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a wiring system based on a regular graph, which prevents electrical connectivity among the rest electrical equipment from being damaged when fault tripping occurs in the wiring system based on the regular graph, thereby further ensuring normal operation of an electrical system.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a wiring system based on a regular graph according to an embodiment of the present invention, where in the embodiment of the present invention, the number of a plurality of circuit breaker units is 12, but it does not represent that the number of circuit breaker units can only be 12, and the wiring system includes: and the wiring structure among the breaker units corresponds to an N-regular graph, wherein N is an integer greater than or equal to 3.
Each breaker unit corresponds to one branch of the N-regular graph;
the connection intersection of every N breaker units corresponds to one vertex of the N-regular graph.
Specifically, in this embodiment, the definition of the N-regular graph may be referred to in the prior art, where N should be an integer greater than or equal to 3, and the number of vertices of the N-regular graph should be an even number. In view of the economy of the whole circuit breaker unit wiring system, as a preferred embodiment, the wiring structure between each circuit breaker unit corresponds to a 3-regular graph, and the corresponding wiring system specifically includes: 12 breaker units and 8 connection intersections;
the first end of the first circuit breaker unit 01, the first end of the second circuit breaker unit 02 and the first end of the third circuit breaker unit 03 are all connected; the connection intersection is a first connection intersection 101.
The second end of the first circuit breaker unit 01, the first end of the fourth circuit breaker unit 04 and the first end of the seventh circuit breaker unit 07 are all connected; the connection intersection is a second connection intersection 102.
The second end of the seventh circuit breaker unit 07, the first end of the eleventh circuit breaker unit 11 and the first end of the twelfth circuit breaker unit 12 are all connected; the connection intersection is a third connection intersection 103.
The second end of the twelfth breaker unit 12, the second end of the third breaker unit 03 and the first end of the tenth breaker unit 10 are all connected; the connection intersection is a fourth connection intersection 104.
The second end of the second circuit breaker unit 02, the first end of the fifth circuit breaker unit 05 and the first end of the sixth circuit breaker unit 06 are all connected; the connection intersection is a fifth connection intersection 105.
The second end of the sixth breaker unit 06, the second end of the tenth breaker unit 10 and the first end of the ninth breaker unit 09 are all connected; the connection intersection is a sixth connection intersection 106.
The second end of the ninth circuit breaker unit 09, the second end of the eleventh circuit breaker unit 11 and the first end of the eighth circuit breaker unit 08 are all connected; the connection intersection is a seventh connection intersection 107.
The second end of the eighth breaker unit 08, the second end of the fourth breaker unit 04 and the second end of the fifth breaker unit 05 are all connected. The connection intersection is an eighth connection intersection 108.
As shown in fig. 2, in the wiring system based on the regular graph disclosed in the embodiment of the invention, the number of connection cross points is 8, and at most 8 external electrical circuits can be connected to the outside, and the ratio of the number of circuit breaker units to the number of connection cross points is 1.5:1, that is, on average, one half-breaker unit corresponds to one external electrical circuit, and thus the wiring system disclosed in the embodiment of the present invention may be referred to as a bus-free one half-breaker electrical wiring system. In fig. 2, a wiring structure of a half-circuit breaker wiring system according to an embodiment of the present invention is similar to a square structure (of course, the wiring system may have other shapes), and each hollow circle represents a connection cross point. The number of circuit breaker units connected by each connection cross point is the same (the number of circuit breaker units is 3), and it should be noted that the shape of the wiring structure in the embodiment of the present invention is not limited to the shape in fig. 2, and the number of circuit breaker units in the wiring structure and the number of circuit breaker units connected by each connection cross point in the embodiment of the present invention are not limited to the number and the structure in fig. 2. In addition, each connection intersection is connected with one or more external electric circuits, and the external electric circuits can be a transformer (a three-phase split transformer, a three-phase integrated transformer, etc.), a reactor, a capacitor, an external bus, a power return line, etc., when the external electric circuits at the connection intersection fail, the circuit breaker units corresponding to the connection intersection are all out of operation, for example, when two external electric circuits in the wiring system fail, since each connection intersection is correspondingly connected with 3 circuit breaker units, the circuit breaker units corresponding to the two external electric circuits are all out of operation (i.e., 6 circuit breaker units).
It can be seen that the wiring system based on the regular graph disclosed in the embodiment of the invention comprises a plurality of circuit breaker units, wherein the wiring structure among the circuit breaker units corresponds to an N-regular graph, that is, each branch of the N-regular graph corresponds to one circuit breaker unit, each vertex of the N-regular graph corresponds to a connection cross point formed by converging and connecting the N circuit breaker units, and the connection cross point is connected with an external electric circuit. When N of the N-regular graph wiring system is larger than or equal to 3, if two external electrical loops are out of operation due to fault tripping or power failure overhaul and the like, the electrical connectivity of the rest non-shutdown part of the wiring system is not damaged, and the normal operation of the power system is ensured.
Secondly, when there are fewer external electrical circuits in the power system, the excessive circuit breaker units are connected to cause cost waste, so the present invention provides another wiring system based on a regular graph, please refer to fig. 3, based on the above embodiment, fig. 3 discloses another wiring system based on a regular graph according to the embodiment of the present invention, and as a preferred embodiment, the wiring system specifically includes: 9 breaker units and 4 connection intersections;
the first end of the thirteenth circuit breaker unit 13, the first end of the fifteenth circuit breaker unit 15 and the first end of the sixteenth circuit breaker unit 16 are all connected; the junction intersection of the components is 109.
The second end of the thirteenth circuit breaker unit 13, the first end of the fourteenth circuit breaker unit 14 and the first end of the seventeenth circuit breaker unit 17 are all connected; the junction intersection of the components is 111.
The second end of the seventeenth circuit breaker unit 17, the first end of the eighteenth circuit breaker unit 18 and the second end of the sixteenth circuit breaker unit 16 are all connected; the junction intersection of the components is 110.
The second end of the fifteenth circuit breaker unit 15, the first end of the twentieth circuit breaker unit 20 and the first end of the twenty-first circuit breaker unit 21 are all connected; the junction intersection of the components is 113.
The second end of the twentieth circuit breaker unit 20, the second end of the fourteenth circuit breaker unit 14 and the first end of the nineteenth circuit breaker unit 19 are all connected; the junction intersection of the components is 112.
The second end of the nineteenth circuit breaker unit 19, the second end of the twenty-first circuit breaker unit 21 and the second end of the eighteenth circuit breaker unit 18 are all connected, and the connecting intersection is 114.
Specifically, in this embodiment, the shape of the connection structure formed by the breaker units may be preferably triangular. Referring to fig. 3, fig. 3 is another regular graph-based wiring system according to an embodiment of the present invention, each hollow circle represents a connection cross point, the number of circuit breaker units of each connection cross point is 3, and the number of circuit breaker units of each connection cross point should be the same. Further, one or more external electric circuits, which may be transformers (three-phase split transformers), or the like, are connected to each connection cross point.
If more external electric loops are needed to be connected in the power system, more breaker units are needed correspondingly, and at the moment, a wiring system formed by one half breaker corresponds to the 4-regular graph, the 5-regular graph and the like. If the structure of the wiring system based on the regular graph corresponds to the 4-regular graph, the wiring system can be formed into a hexagonal shape, the number of the breaker units of each connecting intersection point is 4, and each breaker unit forms a closed loop structure. The embodiment of the present invention is not limited to the illustration of the wiring system of the circuit breaker, as for the wiring system of the other half circuit breaker.
Based on the above embodiments, as a preferred embodiment, each circuit breaker unit includes: circuit breakers, disconnectors and current transformers.
Specifically, in this embodiment, other components may be included in the breaker unit according to the actual requirements of the power system, and the embodiment of the present invention is not limited herein.
Based on the above embodiments, as a preferred embodiment, an external electrical circuit is connected to each connection intersection.
Specifically, in this embodiment, each connection cross point may be connected to an external electrical circuit, or may not be connected to an external electrical circuit. As a preferred embodiment, the external electrical circuit to which each connection cross point is connected comprises: transformers, reactors, and capacitors.
Specifically, in this embodiment, the transformer may be a three-phase split transformer or a single-phase transformer. The external electrical circuit may also be other types of devices (such as a feedback line, etc.) according to the actual requirements of the power system, and the embodiments of the present invention are not limited herein.
The above describes in detail a regular graph based wiring system as disclosed in the present application. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (5)
1. A regular graph-based wiring system, comprising: the circuit breaker comprises a plurality of circuit breaker units, wherein a wiring structure between the circuit breaker units corresponds to an N-regular graph;
each branch of the N-regular graph corresponds to the breaker unit;
each vertex of the N-regular graph corresponds to a connection intersection formed by converging and connecting N breaker units;
the wiring structure between each breaker unit corresponds to a 3-regular graph, and the corresponding wiring system specifically comprises: 12 said breaker units and 8 connection intersections;
the first end of the first circuit breaker unit, the first end of the second circuit breaker unit and the first end of the third circuit breaker unit are all connected;
the second end of the first circuit breaker unit, the first end of the fourth circuit breaker unit and the first end of the seventh circuit breaker unit are all connected;
the second end of the seventh breaker unit, the first end of the eleventh breaker unit and the first end of the twelfth breaker unit are all connected;
the second end of the twelfth circuit breaker unit, the second end of the third circuit breaker unit and the first end of the tenth circuit breaker unit are all connected;
the second end of the second circuit breaker unit, the first end of the fifth circuit breaker unit and the first end of the sixth circuit breaker unit are all connected;
the second end of the sixth breaker unit, the second end of the tenth breaker unit and the first end of the ninth breaker unit are all connected;
the second end of the ninth circuit breaker unit, the second end of the eleventh circuit breaker unit and the first end of the eighth circuit breaker unit are all connected;
the second end of the eighth circuit breaker unit, the second end of the fourth circuit breaker unit and the second end of the fifth circuit breaker unit are all connected;
each of the circuit breaker units includes: circuit breaker and disconnector.
2. The regular graph-based wiring system of claim 1, wherein the wiring system specifically comprises: 9 said breaker units and 6 said connection intersections;
the first end of the thirteenth circuit breaker unit, the first end of the fifteenth circuit breaker unit and the first end of the sixteenth circuit breaker unit are all connected;
the second end of the thirteenth circuit breaker unit, the first end of the fourteenth circuit breaker unit and the first end of the seventeenth circuit breaker unit are all connected;
the second end of the seventeenth circuit breaker unit, the first end of the eighteenth circuit breaker unit and the second end of the sixteenth circuit breaker unit are all connected;
the second end of the fifteenth circuit breaker unit, the first end of the twentieth circuit breaker unit and the first end of the twenty-first circuit breaker unit are all connected;
the second end of the twentieth circuit breaker unit, the second end of the fourteenth circuit breaker unit and the first end of the nineteenth circuit breaker unit are all connected;
the second end of the nineteenth circuit breaker unit, the second end of the twenty-first circuit breaker unit, and the second end of the eighteenth circuit breaker unit are all connected.
3. The regular pattern based wiring system of claim 1, wherein each of the circuit breaker units further comprises: a current transformer.
4. The regular pattern based wiring system of claim 1, wherein each of the connection intersections is connected with an external electrical circuit.
5. The regular pattern based wiring system of claim 4, wherein the external electrical loop of each of the external electrical loops connected by the connection cross-points comprises a transformer, a line, a bus, a reactor, and a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872148.2A CN108667021B (en) | 2018-08-02 | 2018-08-02 | Wiring system based on regular graph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872148.2A CN108667021B (en) | 2018-08-02 | 2018-08-02 | Wiring system based on regular graph |
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| Publication Number | Publication Date |
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| CN108667021A CN108667021A (en) | 2018-10-16 |
| CN108667021B true CN108667021B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810872148.2A Active CN108667021B (en) | 2018-08-02 | 2018-08-02 | Wiring system based on regular graph |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112234618A (en) * | 2020-10-20 | 2021-01-15 | 南方电网科学研究院有限责任公司 | Semi-breaker wiring system based on prism |
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