CN115144679B - Method and system for identifying real-time topological relation of collected voltage on line - Google Patents
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Abstract
The invention provides a method and a system for identifying a real-time topological relation of collected voltage on line, which firstly judge the real-time running state of each bus and the parallel and separate relation among the buses according to the on-off conditions of a bus-related breaker and a knife switch; secondly, judging the real-time condition of a bus associated with the voltage acquisition point according to the on-off condition of a breaker and a knife switch related to the voltage acquisition point; and synthesizing the analysis results to obtain the real-time topological relation of the voltage collected by the voltage collecting point. The voltage source of the voltage acquisition point of the voltage acquisition device is analyzed through the switching value, a reliable data source is provided for the CVT on-line monitoring performance analysis algorithm, and the stability and the robustness of the algorithm are enhanced.
Description
Technical Field
The invention relates to the field of power system analysis, in particular to a method and a system for identifying a real-time topological relation of collected voltage on line.
Background
The capacitance voltage transformer is an important data source for electric power trade settlement, and the metering accuracy of the capacitance voltage transformer is crucial to the equity and impartiality of mass electric energy trade. At present, many cases of online monitoring by using a CVT (Capacitive Voltage Transformer) without a calibrator under the condition of no power failure have been developed in China, voltage measurement data are mainly acquired from a substation site station through a Voltage acquisition device and transmitted to a central station for CVT online monitoring performance analysis, a system architecture is shown in fig. 1, and in order to ensure the stability and robustness of a CVT online monitoring performance analysis algorithm, the topological relation of Voltage acquisition points of the Voltage acquisition device needs to be analyzed, and the incidence relation of acquired Voltage sources is identified.
Disclosure of Invention
The invention provides a method and a system for identifying a real-time topological relation of collected voltage on line, aiming at the technical problems in the prior art.
According to a first aspect of the present invention, there is provided an online identification method for collected voltage real-time topological relation, comprising:
collecting all switching value data in a transformer substation;
calculating a power supply state matrix of all buses in the transformer substation according to switching value data on a power supply loop, wherein the power supply state matrix comprises a power supply state value of each bus;
calculating an association path matrix of all buses in the transformer substation according to switching value data on a path, wherein the association path matrix comprises association path values between each bus and other buses;
for any voltage acquisition point, acquiring a bus associated with the voltage acquisition point;
based on the associated bus, finding associated path values between the associated bus and other buses in the associated path matrix, and determining the operating state of any one voltage acquisition point;
finding the power supply state of the bus associated with any one voltage acquisition point in the power supply state matrix based on the bus associated with any one voltage acquisition point;
and acquiring the real-time topological relation of the voltage acquired by any one voltage acquisition point based on the running state of any one voltage acquisition point and the power supply state of the associated bus.
According to a second aspect of the present invention, there is provided an online identification system for collecting voltage real-time topological relation, comprising:
the acquisition module is used for acquiring all switching value data in the transformer substation;
the calculating module is used for calculating a power supply state matrix of all buses in the transformer substation according to switching value data on a power supply loop, wherein the power supply state matrix comprises a power supply state value of each bus; calculating an associated path matrix of all buses in the transformer substation according to the switching value data on the paths, wherein the associated path matrix comprises associated path values between each bus and other buses;
the first acquisition module is used for acquiring a bus associated with any one voltage acquisition point for the any one voltage acquisition point;
the determining module is used for finding out correlation path values between the correlated bus and other buses in the correlation path matrix based on the correlated bus and determining the running state of any voltage acquisition point; finding the power supply state of the bus associated with any one voltage acquisition point in the power supply state matrix based on the bus associated with any one voltage acquisition point;
and the second acquisition module is used for acquiring the real-time topological relation of the voltage acquired by any one voltage acquisition point based on the running state of any one voltage acquisition point and the power supply state of the associated bus.
According to a third aspect of the present invention, an electronic device is provided, which includes a memory and a processor, where the processor is configured to implement the steps of the collected voltage real-time topological relation online identification method when executing a computer management class program stored in the memory.
According to a fourth aspect of the present invention, there is provided a computer readable storage medium, on which a computer management class program is stored, the computer management class program, when being executed by a processor, implements the steps of the collected voltage real-time topological relation online identification method.
The invention provides a method and a system for identifying a real-time topological relation of collected voltage on line.A real-time running state of each bus and a parallel and separate relation between the buses are judged according to the on-off conditions of a bus-related breaker and a knife switch; secondly, judging the real-time condition of a bus associated with the voltage acquisition point according to the on-off condition of a breaker and a knife switch related to the voltage acquisition point; and synthesizing the analysis results to obtain the real-time topological relation of the voltage collected by the voltage collecting point.
Drawings
Fig. 1 is a diagram of a system for online monitoring of a CVT in the prior art;
FIG. 2 is a flow chart of a real-time topological relation online identification method for collected voltage according to the present invention;
FIG. 3 is a schematic diagram of a power state matrix for all buses in a substation;
FIG. 4 is a schematic diagram of the logic of the criterion for calculating the power supply state matrix of all buses in the substation;
FIG. 5 is a schematic diagram of a calculation of an incidence path matrix for all busbars in a substation;
FIG. 6 is a schematic diagram of the logic of the criteria for calculating the correlation path matrix for all buses in the substation;
FIG. 7 is a schematic view of voltage source analysis at a voltage collection point;
FIG. 8 is a schematic structural diagram of an online identification system for collecting voltage real-time topological relation according to the present invention;
FIG. 9 is a schematic diagram of a hardware structure of a possible electronic device according to the present invention;
fig. 10 is a schematic diagram of a hardware structure of a possible computer-readable storage medium according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, technical features of various embodiments or individual embodiments provided by the present invention may be arbitrarily combined with each other to form a feasible technical solution, and such combination is not limited by the sequence of steps and/or the structural composition mode, but must be realized by a person skilled in the art, and when the technical solution combination is contradictory or cannot be realized, such a technical solution combination should not be considered to exist and is not within the protection scope of the present invention.
Fig. 2 is a flowchart of an online identification method for collecting voltage real-time topological relation, as shown in fig. 2, the method mainly includes the following steps:
and S100, collecting all switching value data in the transformer substation.
It can be understood that all switching value data in the substation are obtained through the acquisition device, and the switching value data comprise the position state of a bus maintenance pressure plate, the position state of a maintenance pressure plate of a main transformer, the position state of a maintenance pressure plate of a circuit breaker, the position state of a three-phase trip and the like.
And S200, calculating a power supply state matrix of all buses in the transformer substation according to switching value data on the power supply loop, wherein the power supply state matrix comprises a power supply state value of each bus.
The power supply state matrix of all buses in the substation can be recorded as:
wherein n represents the total number of the substation buses, k represents the kth bus,
and representing the power supply state value of the kth bus.
The specific steps of calculating the power supply state matrix of all buses in the transformer substation comprise:
s201: for any bus in a transformer substation, all possible power supply loops of the bus are found
I denotes the number of the supply circuits and M is the total number of supply circuits.
S202: calculating the state value of each power supply loop by logical operation and according to the switching value of each power supply loop;
wherein, in the process,
a number indicating the amount of switching is given,
is shown as
The data of the number of the switching values,
indicating supply loop
The state value of (2). When the switch is closed,
(ii) a When the switch is turned off, the switch is turned on,
。
s203: and calculating the power supply state of the bus by logical operation of OR according to the state value of each power supply loop.
And calculating the power supply state of each bus, further obtaining a power supply state matrix of all buses in the transformer substation, and storing the power supply state value of each bus in the power supply state matrix.
Referring to fig. 3, a schematic diagram of a power supply state matrix of all buses in a substation is calculated, where there are 2 possible power supply loops for an iv bus, such as a path line in fig. 3, and in fig. 3, 5013 and 5023 are circuit breakers; the criterion logic is shown in fig. 4, wherein the switching value data includes a maintenance pressing plate state, a main transformer maintenance pressing plate state, a circuit breaker maintenance pressing plate state and the like. And obtaining the power supply state value of each bus according to the logical AND operation and the logical OR operation of the switching value data on the power supply loop.
And S300, calculating an associated path matrix of all buses in the transformer substation according to the switching value data on the path, wherein the associated path matrix comprises associated path values between each bus and other buses.
The incidence path matrix of all busbars in the substation can be recorded as:
wherein n represents the total number of the substation buses, k represents the kth bus,
indicating the associated path value between the k bus and the n bus.
Wherein,
invalid, 0;
。
therefore:
the calculation process of the incidence path matrix of all buses in the transformer substation is as follows:
s301: for any two bus bars, all possible paths between the any two bus bars are found
Where p represents the number of vias.
S302: and (3) calculating the state value of each path by adopting logical operation AND according to the switching value of each path:
wherein,
a number indicating the amount of switching on the path,
indicates the first on the path
The data of the number of the switching values,
indicating a pathway
The state value of (c).
S303: and calculating the associated path value between the two buses by adopting logical operation OR according to the state of each path.
Wherein,
indicating the associated path value between the k bus and the n bus.
And (3) calculating the associated path value between the kth bus and the nth bus according to the formula (7), and calculating the associated path value between every two buses to obtain the associated path matrix of all the buses in the substation.
Wherein,
the calculation example embodiment is shown in fig. 5, 2 possible paths exist between mother ii and mother iii, the criterion logic is shown in fig. 6, and the switching value data includes a service pressing plate state, a main transformer service pressing plate state, a circuit breaker service pressing plate state and the like. And obtaining the power supply state value of each bus according to the logical AND operation and the logical OR operation of the switching value data on the power supply circuit.
S400, for any voltage acquisition point, acquiring a bus associated with the voltage acquisition point.
As an embodiment, for any one voltage collection point, the obtaining a bus associated with the any one voltage collection point includes: and if the obtained bus associated with any one voltage acquisition point comprises a plurality of buses, selecting any one bus as the bus associated with any one voltage acquisition point.
It can be understood that, for any voltage acquisition point, if there are 2 associable buses, any 1 associable bus is taken for analysis, because there are 2 associable buses, it is proved that there is a path between the 2 buses.
S500, finding out the associated path values between the associated bus and other buses in the associated path matrix based on the associated bus, and determining the operating state of any voltage acquisition point.
As an embodiment, the finding, based on the associated bus bar, an associated path value between the associated bus bar and other bus bars in the associated path matrix, and determining the operating state of any one of the voltage acquisition points includes: when the associated path value is 1, the switches between the two buses are communicated, the two buses run in parallel, and the running state of any one voltage acquisition point is a parallel running state; when the associated path value is 0, the switch between the two buses is disconnected, the two buses operate in a split-column mode, and the operating state of any one voltage acquisition point is in a split-column operating state; the operating states of the voltage acquisition points comprise a parallel operating state and a split operating state.
It can be understood that the correlation path values between the associated bus and all other buses are searched in the correlation path matrix based on the bus associated with any voltage acquisition point, and the operation state of the voltage acquisition point is determined based on the correlation path values between any voltage acquisition point and all other buses.
The operating states of the voltage acquisition points are divided into a parallel operating state and a split operating state, wherein:
(1) When the associated path value of the two buses is 1, the fact that the switches between the two buses are communicated is shown, namely the buses run in parallel, and then the running state of the voltage acquisition point is a parallel running state;
(2) When the associated path value of the two buses is 0, the switch between the two buses is open, namely the buses are operated in a split mode, and then the operation state of the voltage acquisition point is a split operation state.
For example, if the voltage collecting point is associated with 2 buses (buses which need to be 2), that is, the values of M21, M22, M23 and M24 are queried, if M21=1, M22=0, M23=0 and M24=1, it means that for this voltage collecting point, 1, 2 and 4 buses are operated in parallel, and the voltage corresponding to the voltage collecting point is the voltage of collecting 1, 2 and 4 buses (in parallel), then the operating state of this voltage collecting point is the parallel operating state.
S600, finding the power supply state of the bus associated with any voltage acquisition point in the power supply state matrix by the bus associated with any voltage acquisition point.
The bus power supply state is divided into independent power supply and indirect power supply, and when the bus power supply state value is 1, the bus power supply state is independent power supply; when the bus power supply state value is 0, the bus power supply is directly and indirectly supplied.
As an embodiment, based on the buses associated with the voltage acquisition points, searching power supply state values of all associated buses in a power supply state matrix, wherein when only one bus in the buses associated with any one voltage acquisition point is in a power supply state, any one voltage acquisition point supplies power independently; otherwise, any one voltage acquisition point is indirectly powered.
It can be understood that the number of the buses associated with the voltage acquisition point is multiple, as long as one of the buses is in a power supply state, the power supply state of the voltage acquisition point is independent power supply, otherwise, the power supply state of the voltage acquisition point is indirect power supply.
S700, acquiring a real-time topological relation of the voltage collected by any one voltage collection point based on the running state of any one voltage collection point and the power supply state of the associated bus.
It can be understood that the operation state of the voltage acquisition point is obtained in the step S500, and the power supply state of the bus associated with the voltage acquisition point is obtained in the step S600, so that the real-time topological relation of the voltage acquired by the voltage acquisition point can be obtained by integrating the information of the voltage acquisition point and the power supply state. For example, the voltage collection point i collects 1, 2 and 4 bus voltages (parallel/split), wherein 1, 2 and 4 buses are independently/indirectly powered.
Fig. 7 is a schematic diagram illustrating a voltage source analysis of a voltage collecting point, and a specific example is used to describe the method for online identifying the real-time topological relation of the collected voltage according to the present invention.
Referring to fig. 7, the operation mode sets: II, overhauling a mother; #6 Main Transformer overhaul; 5082. 5062, 5022 and 5042 breaker overhaul;
(1) Calculating a bus power supply state matrix:
[P1=1，P2=0，P3=0，P4=1]；
(2) Calculating a bus incidence matrix:
(3) Voltage source analysis of voltage collection points:
voltage collection point 1: collecting 1 and 3 bus voltages (in parallel), wherein 1 bus supplies power independently and 3 buses supplies power indirectly;
voltage collection point 2: 4 bus voltages (split columns) are collected, and 4 buses independently supply power;
voltage collection point 3: collecting 4 bus voltages (in rows), and independently supplying power to 4 buses;
voltage acquisition point 4: collecting 1 and 3 bus voltages (in parallel), wherein 1 bus supplies power independently and 3 buses supplies power indirectly;
voltage collection point 5: no bus bar (disconnected) is hung, and the voltage is 0;
voltage acquisition point 6: collecting 1 and 3 bus voltages (in parallel), wherein 1 bus supplies power independently and 3 buses supplies power indirectly.
Referring to fig. 8, the system for identifying the collected voltage real-time topological relation in online manner provided by the present invention includes a collecting module 81, a calculating module 82, a first obtaining module 83, a determining module 84, and a second obtaining module 85, wherein:
the acquisition module 81 is used for acquiring all switching value data in the transformer substation;
the calculation module 82 is used for calculating a power supply state matrix of all buses in the substation according to switching value data on a power supply loop, wherein the power supply state matrix comprises a power supply state value of each bus; calculating an associated path matrix of all buses in the transformer substation according to the switching value data on the paths, wherein the associated path matrix comprises associated path values between each bus and other buses;
the first obtaining module 83 is configured to obtain, for any one voltage collection point, a bus associated with the any one voltage collection point;
a determining module 84, configured to find, based on the associated bus bar, an associated path value between the associated bus bar and another bus bar in the associated path matrix, and determine an operating state of any one of the voltage collecting points; finding the power supply state of the bus associated with any one voltage acquisition point in the power supply state matrix based on the bus associated with any one voltage acquisition point;
the second obtaining module 85 is configured to obtain a real-time topological relation of the voltage collected by any one voltage collection point based on the operating state of any one voltage collection point and the power supply state of the associated bus.
It can be understood that the online identification system for the real-time topological relation of the collected voltage provided by the present invention corresponds to the online identification method for the real-time topological relation of the collected voltage provided by the foregoing embodiments, and the relevant technical features of the online identification system for the real-time topological relation of the collected voltage may refer to the relevant technical features of the online identification method for the real-time topological relation of the collected voltage, which are not described herein again.
Referring to fig. 9, fig. 9 is a schematic view of an embodiment of an electronic device according to an embodiment of the invention. As shown in fig. 9, an embodiment of the present invention provides an electronic device 900, which includes a memory 910, a processor 920 and a computer program 911 stored in the memory 910 and executable on the processor 920, wherein the processor 920 implements the steps of the method for online identifying the real-time topological relation of the collected voltage when executing the computer program 911.
Referring to fig. 10, fig. 10 is a schematic diagram of an embodiment of a computer-readable storage medium according to the present invention. As shown in fig. 10, the present embodiment provides a computer readable storage medium 1000, on which a computer program 1011 is stored, and the computer program 1011, when executed by a processor, implements the steps of the method for real-time topological relation online identification of the collected voltage.
The embodiment of the invention provides a method and a system for identifying the real-time topological relation of collected voltage on line, which comprises the steps of firstly judging the real-time running state of each bus and the parallel and separate relation among the buses according to the on-off conditions of a bus-related breaker and a knife switch; secondly, judging the real-time condition of a bus associated with the voltage acquisition point according to the on-off condition of a breaker and a knife switch related to the voltage acquisition point; and synthesizing the analysis results to obtain the real-time topological relation of the voltage collected by the voltage collecting point. The voltage source of the voltage acquisition point of the voltage acquisition device is analyzed through the switching value, a reliable data source is provided for the CVT on-line monitoring performance analysis algorithm, and the stability and the robustness of the algorithm are enhanced.
It should be noted that, in the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to relevant descriptions of other embodiments for parts that are not described in detail in a certain embodiment.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A real-time topological relation online identification method for collected voltage is characterized by comprising the following steps:
collecting all switching value data in a transformer substation;
calculating a power supply state matrix of all buses in the transformer substation according to switching value data on a power supply loop, wherein the power supply state matrix comprises a power supply state value of each bus;
calculating an association path matrix of all buses in the transformer substation according to switching value data on a path, wherein the association path matrix comprises association path values between each bus and other buses;
for any voltage acquisition point, acquiring a bus associated with the voltage acquisition point;
based on the associated bus bar, finding associated path values between the associated bus bar and other bus bars in the associated path matrix, and determining the operating state of any voltage acquisition point;
finding the power supply state of the bus associated with any one voltage acquisition point in the power supply state matrix based on the bus associated with any one voltage acquisition point;
acquiring a real-time topological relation of the voltage acquired by any one voltage acquisition point based on the running state of any one voltage acquisition point and the power supply state of the associated bus;
wherein, according to the switching value data on the power supply circuit, calculate the power supply state matrix of all buses in the transformer substation, include:
for any bus in a transformer substation, all possible power supply loops of the bus are found
I represents the number of the power supply circuit, and M is the total number of the power supply circuits;
according to the switching value data of any power supply loop, adopting logical operation 'AND' to calculate the state value of any power supply loop:
wherein,
a number indicating the amount of switching is given,
denotes the first
The data of the number of the switching values,
indicating power supply loop
The state value of (a);
and calculating the power supply state value of any bus by logical operation of OR according to the state value of each power supply loop:
according to the power supply state value of each bus, acquiring the power supply state matrix of all buses in the transformer substation:
wherein n represents the total number of the substation buses, k represents the kth bus,
representing the power supply state value of the kth bus;
the calculating of the incidence path matrix of all buses in the substation according to the switching value data on the path comprises the following steps:
for any two bus bars, all possible paths between the any two bus bars are found
Wherein p represents the number of vias;
calculating the state value of any one channel by adopting logical operation and according to the switching value data on any one channel;
wherein,
a number indicating the amount of switching on the path,
indicates the first on the path
The data of the number of the switching values,
to representVias
A state value of (d);
and calculating an associated path value between any two buses by adopting logical operation 'OR' according to the state value of each path:
wherein,
representing the associated path value between the kth bus and the nth bus;
acquiring an association path matrix of all buses in the transformer substation according to an association path value between any two buses:
wherein n represents the total number of the substation buses, k represents the kth bus,
indicating the associated path value between the k bus and the n bus.
2. The method for identifying the real-time topological relation of the collected voltage according to claim 1, wherein all switching data in the transformer substation at least comprise a position state of a bus maintenance pressing plate, a position state of a maintenance pressing plate of a main transformer, a position state of a maintenance pressing plate of a circuit breaker and a position state of three-phase tripping.
3. The method for identifying the real-time topological relation of the collected voltage according to claim 1, wherein for any voltage collection point, obtaining the bus associated with the voltage collection point comprises:
and if the obtained bus associated with any one voltage acquisition point comprises a plurality of buses, selecting any one bus as the bus associated with any one voltage acquisition point.
4. The method for identifying the real-time topological relation of the collected voltage according to claim 1, wherein the step of finding out the associated path values between the associated bus and other buses in the associated path matrix based on the associated bus to determine the operating state of any one voltage collection point comprises the following steps:
when the associated path value is 1, the switch between the two buses is connected, the two buses run in parallel, and the running state of any one voltage acquisition point is a parallel running state;
when the associated path value is 0, the switch between the two buses is disconnected, the two buses operate in a split-column mode, and the operating state of any one voltage acquisition point is in a split-column operating state;
the operating states of the voltage acquisition points comprise a parallel operating state and a split operating state.
5. The method for identifying the real-time topological relation of the collected voltage according to claim 1, wherein the finding the power supply state of the bus associated with any one voltage collection point in the power supply state matrix based on the bus associated with any one voltage collection point comprises:
finding a power supply state value of the bus associated with any one voltage acquisition point in the power supply state matrix, wherein when only one bus in the bus associated with any one voltage acquisition point is in a power supply state, any one voltage acquisition point supplies power independently; otherwise, any one voltage acquisition point is indirectly powered.
6. The utility model provides a gather online identification system of voltage real-time topological relation which characterized in that includes:
the acquisition module is used for acquiring all switching value data in the transformer substation;
the calculating module is used for calculating a power supply state matrix of all buses in the transformer substation according to switching value data on a power supply loop, wherein the power supply state matrix comprises a power supply state value of each bus; calculating an association path matrix of all buses in the transformer substation according to the switching value data on the access, wherein the association path matrix comprises association path values between each bus and other buses;
the first acquisition module is used for acquiring a bus associated with any one voltage acquisition point for the voltage acquisition point;
the determining module is used for finding out associated path values between the associated bus and other buses in the associated path matrix based on the associated bus, and determining the operating state of any one voltage acquisition point; finding the power supply state of the bus associated with any one voltage acquisition point in the power supply state matrix based on the bus associated with any one voltage acquisition point;
the second acquisition module is used for acquiring the real-time topological relation of the voltage acquired by any one voltage acquisition point based on the running state of any one voltage acquisition point and the power supply state of the associated bus;
wherein, according to the switching value data on the power supply loop, calculate the power supply state matrix of all buses in the transformer substation, include:
for any bus in the transformer substation, all possible power supply loops of the bus are found
I represents the number of the power supply circuit, and M is the total number of the power supply circuits;
according to the switching value data of any power supply loop, adopting logical operation 'AND' to calculate the state value of any power supply loop:
wherein,
a number indicating the amount of switching is given,
denotes the first
The data of the number of the switching values,
indicating power supply loop
A state value of (d);
and calculating the power supply state value of any bus by logical operation of OR according to the state value of each power supply loop:
according to the power supply state value of each bus, acquiring the power supply state matrix of all buses in the transformer substation:
wherein n represents the total number of the substation buses, k represents the kth bus,
representing the power supply state value of the kth bus;
the calculating of the incidence path matrix of all buses in the substation according to the switching value data on the path comprises the following steps:
for any twoA bus bar for finding all possible paths between any two bus bars
Wherein p represents the number of vias;
calculating the state value of any one channel by adopting logical operation and according to the switching value data on any one channel;
wherein,
a number indicating the amount of switching on the path,
indicates the first on the path
The data of the number of the switching values,
indicating a pathway
The state value of (a);
and calculating an associated path value between any two buses by adopting logical operation 'OR' according to the state value of each path:
wherein,
indicating between the kth and the nth busAn associated path value;
acquiring an association path matrix of all buses in the transformer substation according to the association path value between any two buses:
wherein n represents the total number of the substation buses, k represents the kth bus,
indicating the associated path value between the k bus and the n bus.
7. An electronic device, comprising a memory and a processor, wherein the processor is configured to implement the steps of the collected voltage real-time topological relation online identification method according to any one of claims 1 to 5 when executing a computer management program stored in the memory.
8. A computer-readable storage medium, on which a computer management class program is stored, which, when executed by a processor, implements the steps of the collected voltage real-time topological relation online identification method according to any one of claims 1 to 5.
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