CN106599447B - Substation's hierarchical topology analysis method based on electrical separation - Google Patents
Substation's hierarchical topology analysis method based on electrical separation Download PDFInfo
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- CN106599447B CN106599447B CN201611138397.6A CN201611138397A CN106599447B CN 106599447 B CN106599447 B CN 106599447B CN 201611138397 A CN201611138397 A CN 201611138397A CN 106599447 B CN106599447 B CN 106599447B
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- 238000000926 separation method Methods 0.000 title claims abstract description 46
- 238000004458 analytical method Methods 0.000 title claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 17
- 230000001131 transforming effect Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 18
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 230000008520 organization Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/392—Floor-planning or layout, e.g. partitioning or placement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
Substation's hierarchical topology analysis method based on electrical separation that the invention discloses a kind of includes the following steps: 1) to divide transforming plant primary equipment according to transformer winding, bus group, the layered structure of electrical separation；2) it in the case where topology to bus group is double-bus, according to 3/2 structure wiring in switch number identification electrical separation, is identified according to the relevant device that the mode of connection carries out 3/2 structure wiring；3) in the case where topology to bus group is single busbar, according to the interior bridge structure wiring in switch number and switchtype identification electrical separation, the identification of the relevant device of interior bridge structure wiring is carried out according to the mode of connection.The present invention divides transforming plant primary main electrical scheme equipment according to transformer winding, bus group, the layered structure of electrical separation, so that the connection relationship between equipment has more the sense of organization, intuitive, it is more convenient to meet the topological demand in the advanced applications such as fault diagnosis, space state analysis, improves flexibility.
Description
Technical field
The present invention relates to Substation Automation System fields more particularly to a kind of substation's layering based on electrical separation to open up
Flutter analysis method.
Background technique
In operation of power networks control and analytical calculation, before Network topology is realized as various advanced application functions
It mentions, plays a crucial role, including be state estimation, Load flow calculation, fault diagnosis and electrical separation running state analysis
Deng offer infrastructure network data, so higher to its accuracy, reliability requirement.
Traditional Network Topology Algorithm generallys use Adjacent Matrix Method or treeˉsearch method, by the connection relationship between node
It is saved in a manner of storehouse or queue, in this case, point of level and ownership is had no between connected equipment, is not also had
The specifying informations such as its affiliated electrical separation, the connected bus in affiliated interval.And in advanced applications such as fault diagnosis, space state analyses
In, it is usually directed to the connected bus in interval belonging to the affiliated electrical separation of equipment, equipment and with other its equipment etc. in electrical separation
Topological demand need to be when in use by meeting the search repeatedly of connection relationship using traditional network topology analytical method
The topology demand causes repeatability, the triviality of topology search, is unfavorable for the acquisition electric network composition information of intuitive and convenient.Meanwhile
3/2 structure that is related to multi-compartment, interior bridge structure do not have in traditional network topology analytical method as the typical mode of connection yet
There are corresponding identification and processing.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of substation's layering based on electrical separation is provided
Topology analyzing method, there are biggish repeated and numerous there are topology search for substation topology analysis method in the prior art for solution
Trivial property is unfavorable for the technical issues of intuitively obtaining electric network composition information.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: substation's layering based on electrical separation
Topology analyzing method includes the following steps:
1) transforming plant primary equipment is divided according to transformer winding, bus group, the layered structure of electrical separation；2)
In the case where topology to bus group is double-bus, according to 3/2 structure wiring in switch number identification electrical separation, according to connecing
Line mode carries out the relevant device identification of 3/2 structure wiring；3) in the case where topology to bus group is single busbar, according to switch
Interior bridge structure wiring in number and switchtype identification electrical separation, the correlation of interior bridge structure wiring is carried out according to the mode of connection
The identification of equipment.
1) layered structure division is carried out in method particularly includes:
In conjunction with plant stand primary connection circuit figure, primary equipment list is read from database con-figuration, judges primary equipment list
In whether there is transformer equipment: if there is transformer equipment, then by transformer equipment, traverse its each side winding, from
And obtain the connection structure of transformer winding；According to the topological bus group for further obtaining another end node connection of winding, in turn
Obtain the connection structure of transformer winding and bus group；According to node connection relationship, each electricity being connected under bus group is successively traversed
Gas interval carries out Type division to each electrical separation according to structure feature, and is saved with different data structures；If no
There are transformer equipments, then directly since the bus equipment in database con-figuration, topology obtains associated bus and forms mother
Line group, final layered structure are divided into bus group, electrical separation.
2) carrying out the relevant device identification of 3/2 structure wiring according to the mode of connection in includes opposite side switchgear, middle switch
The identification of equipment and string structure.
The relevant device identification of 3/2 structure wiring is carried out according to the mode of connection method particularly includes: in bus group is double female
In the case where line, when switching number not less than 2 in electrical separation, it is identified as 3/2 structure wiring；For 3/2 knot under bus group
Structure wiring, judges whether each switch is directly connected with bus: if it is, being identified as the side switchgear of 3/2 structure wiring；Such as
Fruit is not then when switch ends are all connected with other switches, to be identified as the middle switchgear of 3/2 structure wiring；When 3/2 structure
When wiring only includes two side switchgears, 3/2 structure wiring is identified as imperfect string；When 3/2 structure wiring includes two
When side switchgear and a middle switchgear, 3/2 structure wiring is identified as completely going here and there.
3) according to the interior bridge structure wiring in switch number and switchtype identification electrical separation in method particularly includes:
In the case that bus group is single busbar, when the switch number being connected with bus is two, one of switch is bus connection switch, and
When another switch is incoming switch, it is identified as interior bridge structure wiring.
3) according to the mode of connection carry out in bridge structure wiring relevant device identification include to bus connection switch equipment, into
The identification of wiretap equipment.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: by transforming plant primary main electrical scheme equipment according to change
Depressor winding, bus group, the layered structure of electrical separation are divided so that the connection relationship between equipment have more the sense of organization,
Intuitive is more convenient to meet the topological demand in the advanced applications such as fault diagnosis, space state analysis, improves flexibly
Property；Meanwhile it proposing to the judgement processing for 3/2 structure, the interior bridge structure mode of connection for being related to multi-compartment and to relevant device
Identification, extends the application range of network topology analytical method.
Detailed description of the invention
Fig. 1 is flow chart of the invention；
Fig. 2 is the substation's layered structure schematic diagram obtained using the method for the present invention；
Fig. 3 is 3/2 structure wiring schematic diagram；
Fig. 4 is 3/2 structure wiring analysis flow chart；
Fig. 5 is interior bridge structure wiring schematic diagram；
Fig. 6 is interior bridge structure wiring identification process figure.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, substation's hierarchical topology analysis method based on electrical separation, includes the following steps:
1) transforming plant primary equipment is divided according to transformer winding, bus group, the layered structure of electrical separation, is had
Body method are as follows:
In conjunction with plant stand primary connection circuit figure, primary equipment list is read from database con-figuration, judges primary equipment list
In whether there is transformer equipment:
If there is transformer equipment, then layered structure division is carried out as steps described below:
Step 101: by transformer equipment, its each side winding is traversed, to obtain the connection structure of transformer winding；
Step 102: according to the topological bus group for further obtaining another end node connection of winding, and then obtain transformer around
The connection structure of group and bus group, bus group here include: single busbar, double-bus and with hospital bus bar；
Step 103: according to node connection relationship, successively traversing each electrical separation being connected under bus group, electrical separation is
The set of one group of interrelated equipment, comprising: the equipment such as breaker, disconnecting link, grounding switch, route.
Step 104: Type division being carried out to each electrical separation according to structure feature, and is protected with different data structures
It deposits.Electrical separation type includes: common electrical interval, mother electrical separation, disjunction electrical separation, 3/2 structure wiring and interior bridge
Structure wiring.As shown in Fig. 2, being the substation's layered structure schematic diagram obtained using the method for the present invention.
If there is no transformer equipment, then directly since the bus equipment in database con-figuration, topology obtains related
The bus of connection forms bus group, and final layered structure is divided into bus group, electrical separation.
) in the case where topology to bus group is double-bus, it is connect according to 3/2 structure in switch number identification electrical separation
Line is identified according to the relevant device that the mode of connection carries out 3/2 structure wiring；
3/2 structure wiring is to be access to two groups of bus shapes with three breakers by two equipment (route or transformer unit) lead
At, every primary Ioops are connected to bus through a breaker, and a network interconnecting circuit is set between two circuits to be formed a string, therefore referred to as 3/2 wiring
Mode, also known as string structure wiring, as shown in figure 3, being 3/2 structure wiring schematic diagram, in figure: 5021,5023 indicating first
Two sides of string structure switch；5022 indicate the middle switch of first string structure；5031,5,033 second string structure is indicated
Two side switches；5032 indicate the middle switch of second string structure.
The relevant device identification that 3/2 structure wiring is carried out according to the mode of connection includes opposite side switchgear, middle switchgear
And the identification of string structure, as shown in figure 4, method particularly includes: in the case where bus group is double-bus, switch in electrical separation
When number is not less than 2, it is identified as 3/2 structure wiring；For 3/2 structure wiring under bus group, judge each switch whether directly with
Bus is connected: if it is, being identified as the side switchgear of 3/2 structure wiring；If it is not, then when switch ends all with other
When switch is connected, it is identified as the middle switchgear of 3/2 structure wiring；When 3/2 structure wiring only includes two side switchgears,
3/2 structure wiring is identified as imperfect string；When 3/2 structure wiring includes two side switchgears and a middle switchgear
When, 3/2 structure wiring is identified as completely going here and there.
) in the case where topology to bus group is single busbar, according in switch number and switchtype identification electrical separation
Interior bridge structure wiring, according to the mode of connection carry out in bridge structure wiring relevant device identification.
Interior bridge structure wiring forms connecting bridge by a breaker and two disconnecting switch, by twice transformers, routes
The electrical main connecting wire that group transversely links, wherein the bus connection switch of interior bridge structure wiring is connected to transformer outlet disconnecting switch
Inside (close to transformer), as shown in Figure 5.
As shown in fig. 6, being the process according to the interior bridge structure wiring in switch number and switchtype identification electrical separation
Figure, method particularly includes: bus group be single busbar in the case where, when the switch number being connected with bus be two, one of them
Switch is bus connection switch, and another switch be incoming switch when, be identified as interior bridge structure wiring.
The identification that the relevant device of interior bridge structure wiring is carried out according to the mode of connection includes opening bus connection switch equipment, inlet wire
Close the identification of equipment, specific recognition methods are as follows: for the interior bridge structure wiring under bus group, wherein bus connection switch is that bridge is opened
It closes, what is be connected with route is incoming switch.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (3)
1. substation's hierarchical topology analysis method based on electrical separation, which comprises the steps of:
1) transforming plant primary equipment is divided according to transformer winding, bus group, the layered structure of electrical separation；
What layered structure divided method particularly includes:
In conjunction with plant stand primary connection circuit figure, primary equipment list is read from database con-figuration, judge be in primary equipment list
It is no that there are transformer equipments:
If there is transformer equipment, then by transformer equipment, its each side winding is traversed, to obtain transformer winding
Connection structure；According to the topological further bus group for obtaining another end node connection of winding, and then obtain transformer winding and mother
The connection structure of line group；According to node connection relationship, each electrical separation being connected under bus group is successively traversed, according to structure feature
Type division is carried out to each electrical separation, and is saved with different data structures；
If there is no transformer equipment, then directly since the bus equipment in database con-figuration, topology obtains associated
Bus forms bus group, and final layered structure is divided into bus group, electrical separation；
2) in the case where topology to bus group is double-bus, 3/2 structure wiring in electrical separation is identified according to switch number,
The relevant device identification of 3/2 structure wiring, including opposite side switchgear, middle switchgear and string structure are carried out according to the mode of connection
Identification；
3) in the case where topology to bus group is single busbar, in switch number and switchtype identification electrical separation
Bridge structure wiring, according to the mode of connection carry out in bridge structure wiring relevant device identification, including to bus connection switch equipment, into
The identification of wiretap equipment.
2. substation's hierarchical topology analysis method according to claim 1 based on electrical separation, which is characterized in that according to
The mode of connection carries out the relevant device identification of 3/2 structure wiring method particularly includes:
In the case where bus group is double-bus, when switch number is not less than 2 in electrical separation, it is identified as 3/2 structure wiring；
For 3/2 structure wiring under bus group, judge whether each switch is directly connected with bus: if it is, being identified as 3/2
The side switchgear of structure wiring；If it is not, then being identified as 3/2 structure when switch ends are all connected with other switches and connecing
The middle switchgear of line；
When 3/2 structure wiring only includes two side switchgears, 3/2 structure wiring is identified as imperfect string；When 3/2 structure
When wiring includes two side switchgears and a middle switchgear, 3/2 structure wiring is identified as completely going here and there.
3. substation's hierarchical topology analysis method according to claim 1 based on electrical separation, which is characterized in that 3) in
According to the interior bridge structure wiring in switch number and switchtype identification electrical separation method particularly includes: female for list in bus group
In the case where line, when the switch number being connected with bus is two, one of switch is bus connection switch, and another switch is
When incoming switch, it is identified as interior bridge structure wiring.
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| CN110492606B (en) * | 2018-05-15 | 2023-03-28 | 国网天津市电力公司 | Automatic identification method for main wiring diagram of plant station |
| CN111798334A (en) * | 2020-06-17 | 2020-10-20 | 许继集团有限公司 | Transformer substation monitoring system interval state processing method and device |
| CN114137337B (en) * | 2021-11-17 | 2023-11-10 | 中国南方电网有限责任公司超高压输电公司广州局 | Automatic checking method for CT configuration dead zone check of convertor station |
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