CN106599447A - Electrical separation hierarchical topology analysis method for transformer substation - Google Patents
Electrical separation hierarchical topology analysis method for transformer substation Download PDFInfo
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- CN106599447A CN106599447A CN201611138397.6A CN201611138397A CN106599447A CN 106599447 A CN106599447 A CN 106599447A CN 201611138397 A CN201611138397 A CN 201611138397A CN 106599447 A CN106599447 A CN 106599447A
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Abstract
The invention discloses an electrical separation hierarchical topology analysis method for a transformer substation. The method comprises the following steps: (1) classifying primary equipment of the transformer substation according to hierarchical structures of a transformer winding, a busbar group and electrical separation; (2) under a condition that the topology busbar group includes two busbars, identifying 3/2 structural wiring in the electrical separation according to the number o switches, and identifying relevant equipment subjected to the 3/2 structural wiring according to a wiring mode; and (3) under a condition that the topology busbar group includes a single busbar, identifying internal bridge structural wiring in the electrical separation according to the number of switches and the type of the switches, and identifying relevant equipment subjected to the internal bridge structural wiring according to the wiring mode. According to the electrical separation hierarchical topology analysis method for the transformer substation, primary main wiring equipment of the transformer substation is classified according to the hierarchical structures of the transformer winding, the busbar group and the electrical separation, so that the connection relationship among the equipment is better in sense of organization and intuition, the topology requirement in advanced applications such as fault diagnosis and separation state analysis is met more conveniently, and the flexibility is improved.
Description
Technical field
The present invention relates to Substation Automation System field, more particularly to a kind of transformer station's layering based on electrical separation is opened up
Flutter analysis method.
Background technology
In operation of power networks control and analytical calculation, before Network topology is realized as various senior application functions
Carry, play vital effect, including for state estimation, Load flow calculation, fault diagnosis and electrical separation running state analysis
Deng infrastructure network data are provided, so higher to its accuracy, reliability requirement.
Traditional Network Topology Algorithm, generally adopts Adjacent Matrix Method or treeˉsearch method, by the annexation between node
Preserved with storehouse or queue mode, in this case, have no between connected equipment level and ownership point, also do not possess
The specifying informations such as its affiliated electrical separation, the connected bus in affiliated interval.And in senior 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 in electrical separation etc.
Topological demand, using traditional network topology analytical method, need to be met by the repeated searching to annexation when in use
The topological demand, causes repeatability, the triviality of topology search, is unfavorable for the acquisition electric network composition information of intuitive and convenient.Meanwhile,
It is related to 3/2 structure of multi-compartment, interior bridge construction as the typical mode of connection, does not also have in traditional network topology analytical method
There is corresponding identification and process.
The content of the invention
It is an object of the invention to overcome deficiency of the prior art, there is provided a kind of transformer station based on electrical separation is layered
Topology analyzing method, solves substation topology analysis method in prior art and there is topology search there is larger repeatability and numerous
Trivial property, is unfavorable for intuitively obtaining the technical problem of electric network composition information.
To solve above-mentioned technical problem, the technical solution adopted in the present invention is：Transformer station based on electrical separation is layered
Topology analyzing method, comprises the steps：
1）Transforming plant primary equipment is divided according to the hierarchy of Transformer Winding, bus group, electrical separation；2）Opening up
Flutter in the case of being double-bus to bus group, according to 3/2 structure wiring in switch number identification electrical separation, according to wiring side
Formula 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 number
And the interior bridge construction wiring in switchtype identification electrical separation, the relevant device of interior bridge construction wiring is carried out according to the mode of connection
Identification.
1）In carry out the concrete grammar of hierarchy division and be：
With reference to plant stand primary connection circuit figure, primary equipment list is read from database con-figuration, in judging primary equipment list is
It is no to there is transformer equipment：If there is transformer equipment, then by transformer equipment, travel through its each side winding, so as to obtain
Obtain the attachment structure of Transformer Winding；The bus group of another end node connection of winding is further obtained according to topology, and then is obtained
The attachment structure of Transformer Winding and bus group；According to node annexation, each electric equipment compartment being connected under bus group is traveled through successively
Every Type division being carried out to each electrical separation according to architectural feature, and is preserved with different data structures；If there is no
Transformer equipment, then directly from the beginning of the bus equipment in database con-figuration, topology obtains associated bus and forms bus group,
Final hierarchy is divided into bus group, electrical separation equipment.
2）The middle relevant device identification for carrying out 3/2 structure wiring according to the mode of connection includes opposite side switchgear, breaker in middle
The identification of equipment and string structure.
According to the mode of connection carry out 3/2 structure wiring relevant device identification concrete grammar be：It is double female in bus group
In the case of line, when electrical separation breaker in middle number is not less than 2,3/2 structure wiring is identified as；Tie for 3/2 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 breaker in middle equipment of 3/2 structure wiring；When 3/2 structure
When wiring only includes two side switchgears, 3/2 structure wiring is identified as into imperfect string；When 3/2 structure wiring includes two
When side switchgear and a breaker in middle equipment, 3/2 structure wiring is identified as into complete string.
3）It is middle to recognize that the concrete grammar of the interior bridge construction wiring in electrical separation is according to switch number and switchtype：
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 service entrance switch, interior bridge construction wiring is identified as.
3）The identification of the middle relevant device that interior bridge construction wiring is carried out according to the mode of connection includes to bus connection switch equipment, enters
The identification of wiretap equipment.
Compared with prior art, the beneficial effect that reached of the present invention is：By transforming plant primary main electrical scheme equipment according to transformator
Winding, bus group, the hierarchy of electrical separation are divided so that the annexation between equipment has more the sense of organization, directly perceived
Property, the more convenient topological demand that must be met in the senior applications such as fault diagnosis, space state analysis improves motility；Together
When, it is proposed that the identification to being related to 3/2 structure of multi-compartment, the judgement process of the interior bridge construction mode of connection and to relevant device,
Extend the range of application of network topology analytical method.
Description of the drawings
Fig. 1 is the flow chart of the present invention；
Fig. 2 is the transformer station's hierarchy schematic diagram obtained using the inventive method；
Fig. 3 is 3/2 structure wiring schematic diagram；
Fig. 4 is 3/2 structure wiring analysis flow chart；
Fig. 5 is interior bridge construction wiring schematic diagram；
Fig. 6 is interior bridge construction wiring identification process figure.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, the transformer station's hierarchical topology analysis method based on electrical separation, comprises the steps：
1）Transforming plant primary equipment is divided according to the hierarchy of Transformer Winding, bus group, electrical separation, concrete side
Method is：
With reference to plant stand primary connection circuit figure, primary equipment list is read from database con-figuration, in judging primary equipment list is
It is no to there is transformer equipment：
If there is transformer equipment, then hierarchy division is carried out as steps described below：
Step 201：By transformer equipment, its each side winding is traveled through, so as to obtain the attachment structure of Transformer Winding；
Step 102：Further obtain the bus group of another end node of winding connection according to topology, so obtain Transformer Winding with
The attachment structure of bus group, bus group here include：Single busbar, double-bus and band hospital bus bar；
Step 103：According to node annexation, each electrical separation being connected under bus group is traveled through successively, electrical separation is one group
The set of interrelated equipment, including：The equipment such as chopper, disconnecting link, grounding switch, circuit.
Step 104：Type division is carried out according to architectural feature to each electrical separation, and is protected with different data structures
Deposit.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 transformer station's hierarchy schematic diagram obtained using the inventive method.
If there is no transformer equipment, then directly from the beginning of the bus equipment in database con-figuration, topology obtains related
The bus of connection forms bus group, and final hierarchy is divided into bus group, electrical separation equipment.
2）In the case where topology to bus group is double-bus, according to 3/2 structure in switch number identification electrical separation
Wiring, carries out the relevant device identification of 3/2 structure wiring according to the mode of connection；
3/2 structure wiring is by two equipment（Circuit or transformer unit）Three choppers of lead are access to two groups of buses and are formed, often
Mono- chopper of primary Ioops Jing is connected to bus, sets a network interconnecting circuit and formed a string between two loops, therefore referred to as 3/2 mode of connection,
String structure wiring is also called, as shown in figure 3, being 3/2 structure wiring schematic diagram.
Opposite side switchgear, breaker in middle equipment are included according to the relevant device identification that the mode of connection carries out 3/2 structure wiring
And the identification of string structure, as shown in figure 4, concrete grammar is：In the case where bus group is double-bus, electrical separation breaker in middle
When number is not less than 2,3/2 structure wiring is identified as；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, the breaker in middle equipment of 3/2 structure wiring is identified as；When 3/2 structure wiring only includes two side switchgears,
3/2 structure wiring is identified as into imperfect string；When 3/2 structure wiring includes two side switchgears and a breaker in middle equipment
When, 3/2 structure wiring is identified as into complete string.
3）In the case where topology to bus group is single busbar, according in switch number and switchtype identification electrical separation
Interior bridge construction wiring, the identification of the relevant device of interior bridge construction wiring is carried out according to the mode of connection.
Interior bridge construction wiring constitutes cross structure by a chopper and two disconnecting switch, by twice transformators, circuits
The electrical main connecting wire that group transversely links, wherein the bus connection switch of interior bridge construction wiring is connected to transformer outlet disconnecting switch
Inner side（Near transformator）, as shown in Figure 5.
As shown in fig. 6, being the flow process according to the interior bridge construction wiring in switch number and switchtype identification electrical separation
Scheme, concrete grammar is：In the case where bus group is single busbar, when the switch number being connected with bus is two, one of them
Switch is bus connection switch, and another switch for service entrance switch when, be identified as interior bridge construction wiring.
The identification that the relevant device of interior bridge construction wiring is carried out according to the mode of connection includes opening bus connection switch equipment, inlet wire
The identification of pass equipment, concrete recognition methodss are：Interior bridge construction wiring under for bus group, wherein bus connection switch are bridge and open
Close, what is be connected with circuit is service entrance switch.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (6)
1. the transformer station's hierarchical topology analysis method based on electrical separation, it is characterised in that comprise the steps：
1）Transforming plant primary equipment is divided according to the hierarchy of Transformer Winding, bus group, 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,
The relevant device identification of 3/2 structure wiring is carried out according to the mode of connection；
3）In the case where topology to bus group is single busbar, in switch number and switchtype identification electrical separation
Bridge construction wiring, carries out the identification of the relevant device of interior bridge construction wiring according to the mode of connection.
2. the transformer station's hierarchical topology analysis method based on electrical separation according to claim 1, it is characterised in that 1）In
The concrete grammar for carrying out hierarchy division is：
With reference to plant stand primary connection circuit figure, primary equipment list is read from database con-figuration, in judging primary equipment list is
It is no to there is transformer equipment：
If there is transformer equipment, then by transformer equipment, travel through its each side winding, so as to obtain Transformer Winding
Attachment structure；According to the topological bus group for further obtaining another end node connection of winding, and then Transformer Winding is obtained with mother
The attachment structure of line group；According to node annexation, each electrical separation being connected under bus group is traveled through successively, according to architectural feature
Type division is carried out to each electrical separation, and is preserved with different data structures；
If there is no transformer equipment, then directly from the beginning of the bus equipment in database con-figuration, topology obtains associated
Bus forms bus group, and final hierarchy is divided into bus group, electrical separation equipment.
3. the transformer station's hierarchical topology analysis method based on electrical separation according to claim 2, it is characterised in that 2）In
Opposite side switchgear, breaker in middle equipment and string structure are included according to the relevant device identification that the mode of connection carries out 3/2 structure wiring
Identification.
4. the transformer station's hierarchical topology analysis method based on electrical separation according to claim 3, it is characterised in that according to
The mode of connection carries out the concrete grammar of the relevant device identification of 3/2 structure wiring：
In the case where bus group is double-bus, when electrical separation breaker in middle number is not less than 2,3/2 structure wiring is identified as；
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 when switch ends are all connected with other switches, being identified as 3/2 structure and connecing
The breaker in middle equipment of line；
When 3/2 structure wiring only includes two side switchgears, 3/2 structure wiring is identified as into imperfect string；When 3/2 structure
When wiring includes two side switchgears and a breaker in middle equipment, 3/2 structure wiring is identified as into complete string.
5. the transformer station's hierarchical topology analysis method based on electrical separation according to claim 2, it is characterised in that 3）In
According to the concrete grammar of the interior bridge construction wiring in switch number and switchtype identification electrical separation it is：It is single female in bus group
In the case of line, when the switch number being connected with bus is two, one of switch is bus connection switch, and another switch is
During service entrance switch, interior bridge construction wiring is identified as.
6. the transformer station's hierarchical topology analysis method based on electrical separation according to claim 2, it is characterised in that 3）In
The identification that the relevant device of interior bridge construction wiring is carried out according to the mode of connection is included to bus connection switch equipment, service entrance switch equipment
Identification.
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| 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 |
| CN111953071A (en) * | 2020-07-21 | 2020-11-17 | 广东电网有限责任公司 | Intelligent classification statistical method for transformer substation wiring form |
| CN114137337A (en) * | 2021-11-17 | 2022-03-04 | 中国南方电网有限责任公司超高压输电公司广州局 | Automatic inspection method for inspection of converter station CT configuration dead zone |
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| 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 |
| CN111953071A (en) * | 2020-07-21 | 2020-11-17 | 广东电网有限责任公司 | Intelligent classification statistical method for transformer substation wiring form |
| CN111953071B (en) * | 2020-07-21 | 2024-07-09 | 广东电网有限责任公司 | Intelligent classification and statistics method for wiring form of transformer substation |
| CN114137337A (en) * | 2021-11-17 | 2022-03-04 | 中国南方电网有限责任公司超高压输电公司广州局 | Automatic inspection method for inspection of converter station CT configuration dead zone |
| 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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