CN116094169B - Power distribution network topology model generation method and terminal equipment - Google Patents
Power distribution network topology model generation method and terminal equipment Download PDFInfo
- Publication number
- CN116094169B CN116094169B CN202310086841.8A CN202310086841A CN116094169B CN 116094169 B CN116094169 B CN 116094169B CN 202310086841 A CN202310086841 A CN 202310086841A CN 116094169 B CN116094169 B CN 116094169B
- Authority
- CN
- China
- Prior art keywords
- distribution network
- power
- sub
- power consumption
- topology
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 295
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005611 electricity Effects 0.000 claims abstract description 42
- 238000010248 power generation Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000005457 optimization Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 16
- 230000008054 signal transmission Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 7
- 238000012417 linear regression Methods 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 8
- 238000004364 calculation method Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000002910 structure generation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
-
- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
-
- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
-
- 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
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
Abstract
The invention discloses a power distribution network topology model generation method and a terminal, wherein the power distribution network comprises a power distribution network control unit, a power generation end, a power transformation end and a power utilization end, the power distribution network control unit, the power generation end, the power transformation end and the power utilization end are connected through a power cable, a plurality of power utilization ends form a sub power distribution network, and the sub power distribution network further comprises a sub power distribution network topology structure management unit; each power utilization terminal in the sub-distribution network sends power utilization parameters of the power utilization terminal to the topology structure management unit of the sub-distribution network; the topology structure management unit of the sub-distribution network performs data processing on the electricity consumption parameters of each electricity consumption end to obtain electricity consumption state data of the sub-distribution network; the sub-distribution network topology structure management unit sends the power utilization state data of the sub-distribution network to a distribution network control unit; and the power distribution network control unit calculates a power distribution network topological structure optimization model based on the power consumption state data of the sub power distribution network sent by each sub power distribution network topological structure management unit, and reconstructs a power distribution network module topological structure based on the power distribution network topological structure optimization model.
Description
Technical Field
The invention relates to the field of urban power distribution networks, in particular to a power distribution network topology generation method and terminal equipment.
Background
The urban distribution network has the characteristics of huge and inflexible existing urban distribution network topology due to the fact that the urban distribution network has complicated electricity generation, distribution and electricity utilization networks and a large number of network equipment, and particularly aims at solving the problems that in the actual electricity utilization process, the whole distribution network topology is low in efficiency, power distribution faults and the like in the dynamic operation process of the distribution network due to the fact that electricity utilization ends are large, complex and variable, electric energy waste is caused, and normal use of the electricity utilization ends of all terminals is seriously affected.
Disclosure of Invention
Based on the problems existing in the current urban power distribution network, the invention provides a power distribution network topology model generation method and terminal equipment, which can improve the technical problems of the defects of the power distribution network, and can obviously increase the change of the power consumption condition of each power utilization end of the urban power distribution network in the actual operation process, and the power distribution network topology model generation method is automatically optimized, so that the operation efficiency of the power distribution network is greatly improved. In particular, the method comprises the steps of,
the invention discloses a power distribution network topology model generation method, wherein the power distribution network comprises a power distribution network control unit, a power generation end, a power transformation end and a power utilization end, wherein the power distribution network control unit, the power generation end, the power transformation end and the power utilization end are connected through a power cable, and a plurality of power utilization ends form a sub power distribution network;
the sub-distribution network further comprises a sub-distribution network topology management unit;
each power utilization terminal in the sub-distribution network sends power utilization parameters of the power utilization terminal to the topology structure management unit of the sub-distribution network;
the topology structure management unit of the sub-distribution network performs data processing on the electricity consumption parameters of each electricity consumption end to obtain electricity consumption state data of the sub-distribution network;
the sub-distribution network topology structure management unit sends the power utilization state data of the sub-distribution network to a distribution network control unit;
and the power distribution network control unit calculates a power distribution network topological structure optimization model based on the power consumption state data of the sub power distribution network sent by each sub power distribution network topological structure management unit, and reconstructs a power distribution network module topological structure based on the power distribution network topological structure optimization model.
In a preferred embodiment of the invention, the power cable comprises an alternating current power transmission line and a power status signal transmission line.
In a preferred embodiment of the present invention, the power status signal transmission line is used for transmitting a digital signal or an analog signal carrying the identity information of the power end and the sub-distribution network
In a preferred embodiment of the present invention, the power consumption parameter includes at least power consumption input power and voltage amplitude
In a preferred embodiment of the present invention, the topology type of the sub-distribution network at least includes a bus structure, a star structure, a ring structure, a tree structure or a mesh structure.
In a preferred embodiment of the present invention, the electricity consumption parameter information of the electricity consumption terminal at least includes identity information of each of the electricity consumption terminals and identity information of a management unit of a power distribution network of the target sub-power distribution network
In a preferred embodiment of the present invention, the power consumption status data of the sub-distribution network at least includes identity information of the sub-distribution network
In a preferred embodiment of the present invention, the topology management unit of the sub-distribution network performs data processing on the electricity consumption parameter of each electricity consumption terminal, and specifically includes,
and the topology structure management unit of the sub-distribution network performs Fourier frequency domain difference change and linear regression on the power input power of the power utilization end and the voltage amplitude of the power utilization end of each power utilization end to obtain power utilization state data of the sub-distribution network.
The invention relates to a preferred implementation mode, which is used for reconstructing a power distribution network module topological structure based on the power distribution network topological structure optimization model, and specifically comprises the step of reconstructing each power utilization end composition in at least one power distribution network topological structure sub-module and the topological structure type of each power distribution network topological structure sub-module.
The invention further discloses a terminal for generating the power distribution network topology model, the terminal equipment power distribution network control unit and a processor, and the power distribution network control unit realizes the power distribution network topology model generation method according to any one of the above based on a computer program executed by the processor.
The invention discloses a power distribution network topology model generation method and terminal equipment, which can be suitable for dynamic changes of power utilization states of all power utilization ends in a power distribution network, and an optimized power distribution network topology model is obtained through data transmission, calculation and analysis, so that the topology structure of a sub power distribution network including all the power utilization ends is dynamically adjusted, various complex and changeable actual use states of the power distribution network are dynamically adapted, and the power transmission and control efficiency and stability are effectively improved under the high-load and large-change use states.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention, the objects and other advantages of the invention may be realized and obtained by the construction particularly pointed out in the written description, claims, and drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the urban power grid control system according to the present invention
Fig. 2 is a flowchart of a power distribution network topology generating method according to an embodiment
Fig. 3 is a schematic diagram of a terminal structure for generating a topology model of a power distribution network according to the second embodiment
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings of the specification, it being understood that the preferred embodiments described herein are for illustration and explanation only, and not for limitation of the present invention, and embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
The current urban distribution network has the characteristics of huge and complicated topology structure, inflexibility and the like due to the fact that the current urban distribution network has complicated electricity generation, distribution and electricity utilization networks and huge and complicated network equipment, and the dynamic operation uncertainty of the terminal electricity utilization ends with heavy loads in stages is large and complicated in the actual operation process, huge pressure is often caused on the urban distribution network, faults are frequently caused, the topology structure of the distribution network is not suitable for due to dynamic change of electricity utilization conditions of the electricity utilization ends in the dynamic faults, the poor problems of low efficiency, power distribution faults and the like occur in the dynamic operation process of the distribution network, electric energy waste is further caused, normal use of the electricity utilization ends of all terminals is seriously influenced, and the current urban distribution network has the most serious problems. Therefore, how to provide a method for generating an optimized power distribution network topology model becomes a direction of important research in the field.
In order to solve the technical problems facing the prior art, the first aspect of the invention provides a power distribution network topology model generation method.
The power distribution network comprises a power distribution network control unit, a power generation end, a power transformation end and a power utilization end, wherein the power distribution network control unit, the power generation end, the power transformation end and the power utilization end are connected through a power cable, and a plurality of power utilization ends form a sub-power distribution network.
In the embodiment of the invention, the power distribution network control unit is used for carrying out calculation and reconstruction on the topological structure of each sub power distribution network, storing the topological structure of each sub power distribution network and distributing the power distribution data of each sub power distribution network based on the topological structure of each sub power distribution network.
The power generation end is used for producing power for the power grid, and the power production mode can be a conventional power generation mode in the field, such as a thermal power generation mode, a nuclear power generation mode, a hydraulic power generation mode, a wind power generation mode, a geothermal power generation mode and the like. The power conversion terminal in the embodiment of the invention is used for carrying out power conversion on the input required by each sub-distribution network or each power utilization terminal in the power grid, and the main selection mode is a boosting and reducing mode commonly used in the field. The sub-distribution network in the embodiment of the invention is a virtual distribution network unit formed by gathering all power utilization terminals forming the same topological structure based on power utilization requirements and power utilization states according to the topological structure of the distribution network. The topology structure type of the sub-distribution network in the embodiment of the invention at least comprises a bus type structure, a star type structure, a ring type structure, a tree type structure or a net type structure.
The urban power grid control system of the invention shown in fig. 1 is a schematic diagram, and as shown in fig. 1, the sub-power distribution network comprises a sub-power distribution network T, a sub-power distribution network D and a sub-power distribution network S, wherein the sub-power distribution network T is in a tree topology structure and comprises a plurality of power utilization ends D1-D6 and a power distribution network topology structure management unit D0; the sub-distribution network S is of a net topology structure and comprises a plurality of power utilization ends T1-T7 and a distribution network topology management unit T0; the sub-distribution network S is of a ring topology structure and comprises a plurality of power utilization ends S1-S6 and a topology structure management unit S0. The sub-distribution network topology structure management unit is used for storing power utilization end information and sub-distribution network topology structures in respective distribution networks and carrying out data communication with the power utilization end and the distribution network control unit in the distribution network, so that dynamic adjustment of the sub-distribution network topology structures is achieved, wherein the power utilization end information further at least comprises power utilization identity information and power utilization end power utilization parameters.
According to the urban power grid control system, the sub-power distribution network topology structure management unit and the power distribution network control unit are arranged, so that the power utilization information of the power utilization ends in each sub-power distribution network can be collected, calculated, fed back and reconstructed, and the urban power grid control system is further suitable for dynamic change of the power utilization states of the power utilization ends in the power distribution network, dynamically adjusts the topology structure of the sub-power distribution network including the power utilization ends, dynamically adapts to various complicated and changeable actual use states of the power distribution network, and effectively improves power transmission and control efficiency and transmission stability under high-load and large-change use states.
The flow chart of the power distribution network topology structure generation method in the embodiment of the invention is shown in fig. 1, and the power distribution network topology structure generation method in the embodiment of the invention specifically comprises the following steps:
step S101: each power utilization terminal in the sub-distribution network sends power utilization parameters of the power utilization terminal to the topology structure management unit of the sub-distribution network;
the sub-distribution network in the embodiment of the invention is a virtual distribution network unit formed by gathering all power utilization terminals forming the same topological structure based on power utilization requirements and power utilization states according to the topological structure of the distribution network. In a preferred embodiment, as shown in fig. 1, the sub-distribution network may include a sub-distribution network T with a tree topology structure, a sub-distribution network S with a mesh topology structure, and a sub-distribution network topology structure management unit adapted to the sub-distribution network in each sub-distribution network, where the sub-distribution network topology structure management unit is configured to store information of an electricity consumption end in each distribution network and a sub-distribution network topology structure, and perform data communication with the electricity consumption end in the distribution network and a distribution network control unit, so as to dynamically adjust the topology structure of the sub-distribution network.
In the embodiment of the invention, the power distribution network control unit, the power generation end, the power transformation end and the power utilization end are connected through the power cable, and as a preferred implementation manner, the power cable comprises an alternating current transmission power line and a power utilization state signal transmission line, and further, the power utilization state signal transmission line is used for transmitting digital signals or analog signals carrying identity information of the power utilization end and the sub-power distribution network.
In order to dynamically adapt to dynamic changes of each power utilization end in a power grid, and further adjust power configuration of the power distribution network according to the changes, power utilization stability and power utilization efficiency of the whole power grid are improved.
Step S103: the topology structure management unit of the sub-distribution network performs data processing on the electricity consumption parameters of each electricity consumption end to obtain electricity consumption state data of the sub-distribution network;
in an embodiment of the present invention, the power consumption status signal transmission line is configured to transmit a digital signal or an analog signal carrying identity information of the power consumption terminal and the sub-distribution network, where power consumption parameters of the power consumption terminal at least include power consumption terminal input power and power consumption terminal voltage amplitude. The power consumption state signal transmission line of a mode transmits digital signals carrying the power consumption end and the identity information of the sub-distribution network, at the moment, an analog digital signal conversion part can be arranged at each power consumption end, the power consumption end converts respective power consumption parameter information into digital signals and then transmits the digital signals to a power cable of the distribution network, and the sub-distribution network topology structure management unit and the distribution network control unit can both transmit, receive and process the digital signals. In another manner, the electric state signal transmission line is used for transmitting analog signals carrying the electric end and the identity information of the sub-distribution network, and only the sub-distribution network topology management unit and the distribution network control unit are required to be configured with a digital-analog bidirectional converter to convert the analog signals transmitted by the distribution network into digital signals at least representing the input power of the electric end, the voltage amplitude of the electric end, the identity information of each electric end and the identity information of the sub-distribution network.
In one preferred embodiment in step S103, the topology management unit of the sub-distribution network performs data processing on the electricity consumption parameters of each electricity consumption end, and specifically includes that the topology management unit of the sub-distribution network inputs power of each electricity consumption end and voltage amplitude of the electricity consumption end performs fourier frequency domain difference change and linear regression, so as to obtain electricity consumption state data of the sub-distribution network. This preferred mode may also provide that the step of converting the analog signals to digital signals in the sub-distribution network may be provided after the data processing. The preferred mode S103 performs fourier frequency domain difference change and linear regression on the power consumption parameters of the power consumption end, so that errors and influences caused by transmission fluctuation or errors on subsequent calculation and reconstruction of the topology model of the power distribution network can be reduced to the minimum, and errors of calculation and reconstruction data bases of the topology model are removed to the greatest extent through linear regression after frequency transformation.
Step S105: the sub-distribution network topology structure management unit sends the power utilization state data of the sub-distribution network to a distribution network control unit;
the sub-distribution network topological structure is also provided with a transmission interface capable of carrying out data transmission with the distribution network control unit, and is used for sending the power utilization state data of the sub-distribution network after the sub-distribution network collecting and processing to the distribution network control unit, wherein the sending can be based on the power utilization state transmission in the power cable for carrying out data transmission.
Step S107: the power distribution network control unit calculates a power distribution network topological structure optimization model based on the power consumption state data of the sub power distribution network sent by each sub power distribution network topological structure management unit, and reconstructs a power distribution network module topological structure based on the power distribution network topological structure optimization model;
carrying out data processing on the electricity consumption parameters of each electricity consumption end to obtain the electricity consumption state data of the sub-distribution network; the power distribution network topology structure management unit is used for sending the power distribution network power consumption state data to the power distribution network control unit, the power distribution network power consumption state is used for reflecting the power distribution network power consumption state based on the power consumption parameters of each power consumption end, and meanwhile the power distribution network power consumption state data at least comprises the identity information of the power distribution network and is used for identifying the corresponding relation between the power distribution network power consumption state and the power distribution network when the power distribution network control unit calculates the whole power distribution network topology structure.
Step S109: and the power distribution network control unit reconstructs a power distribution network module topological structure based on the power distribution network topological structure optimization model.
As an example, if the current power consumption of a certain 1-sub power distribution network is self-increased, the fluctuation of the power consumption state is larger and is in an unstable state, the power distribution network control unit can identify the power consumption end of the power distribution network, which causes a larger influence factor of the state, after calculation and reconstruction, the power consumption end can identify one or more power consumption ends, respectively, the identity information of the power distribution network and the identity information of the power consumption end, a corresponding relation is established, and regarding reconstruction, one example can be to adjust the power consumption end to the power distribution network with weak power consumption requirement, form a net topology structure, and further ensure that the whole power distribution network can be dynamically optimized and adjusted according to the real-time use states of each power distribution network and each power consumption end. Of course, as an alternative schematic example, the network topology may also be directly adjusted in the same sub-distribution network, and the power utilization end of the one or more sub-distribution networks, which causes a larger influence factor of the state, is not moved to other sub-distribution networks.
According to the power distribution network topology model generation method, the power utilization parameters of the power utilization ends are sent to the sub-power distribution network topology structure management unit by setting each power utilization end in the sub-power distribution network; the topology structure management unit of the sub-distribution network performs data processing on the electricity consumption parameters of each electricity consumption end to obtain electricity consumption state data of the sub-distribution network; the power distribution network topology management unit sends power utilization state data of the power distribution network to the power distribution network control unit, the power distribution network control unit calculates a power distribution network topology optimization model based on the power utilization state data of the power distribution network sent by each power distribution network topology management unit, and reconstructs a power distribution network module topology based on the power distribution network topology optimization model, so that the power distribution network topology management unit can be suitable for dynamic changes of power utilization states of all power utilization ends in the power distribution network, and obtains an optimized power distribution network topology model through data transmission and calculation analysis, further dynamically adjusts the topology structure of the power distribution network including all the power utilization ends, dynamically adapts to various complex and changeable actual use states of the power distribution network, and effectively improves power transmission and control efficiency and transmission stability under high-load and large-change use states.
The second embodiment of the invention further discloses a terminal for generating the power distribution network topology model, wherein the terminal equipment comprises a power distribution network control unit and a processor, and the power distribution network control unit is used for realizing the power distribution network topology model generating method in the first embodiment based on the processor. As shown in fig. 3, the terminal of this embodiment includes: a processor, a memory and a computer program stored in the memory and executable on said processor, such as a distribution network control unit control program. The steps in the above-described embodiments of the power distribution network topology model generation method are implemented when the processor executes the computer program,
the computer program may be divided into one or more modules/units, which are stored in the memory and executed by the processor to accomplish the present invention, for example. The one or more modules/units may be a series of computer program instruction segments capable of performing the specified functions, which instruction segments describe the execution of the computer program in the terminal. For example, the computer program may be split into a data acquisition module, a topology modeling module, a power flow calculation module and a topology identification module.
The terminal can be a computing device such as a desktop computer, a notebook computer, a palm computer, a cloud server and the like. The terminal device may include, but is not limited to, a processor, a memory. It will be appreciated by those skilled in the art that fig. 3 is merely a block example of a terminal, and does not constitute a limitation of a terminal for generating a topology model of a power distribution network, and may include more or less components than those illustrated, or may combine certain components, or different components, e.g., the terminal may further include an input-output device, a network access device, a bus, etc.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may be an internal storage unit of the terminal for generating the topology model of the power distribution network, such as a hard disk or a memory of the terminal. The memory may also be an external storage device of the terminal device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the terminal. Further, the memory may also include both an internal storage unit and an external storage device of the terminal. The memory is used for storing the computer program and other programs and data required by the terminal for generating the power distribution network topology model.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present invention. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other manners. For example, the apparatus/terminal device embodiments described above are merely illustrative, e.g., the division of the modules or units is merely a logical function division, and there may be additional divisions in actual implementation, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present invention may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the computer readable medium contains content that can be appropriately scaled according to the requirements of jurisdictions in which such content is subject to legislation and patent practice, such as in certain jurisdictions in which such content is subject to legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunication signals.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.
Claims (6)
1. The utility model provides a power distribution network topology model generation method, the power distribution network includes distribution network control unit, power generation end, transformer end, power consumption end, connect through the power cable between power distribution network control unit, power generation end, transformer end, the power consumption end, a plurality of power consumption ends constitute sub-distribution network, its characterized in that:
the sub-distribution network further comprises a sub-distribution network topology management unit, and the generation method comprises the following steps:
step S101: each power utilization terminal in the sub-distribution network transmits power utilization parameters of the power utilization terminal to the sub-distribution network topology management unit,
step S103: the topology structure management unit of the sub-distribution network performs data processing on the electricity consumption parameters of each electricity consumption end to obtain the electricity consumption state data of the sub-distribution network,
step S105: the sub-distribution network topology management unit sends the sub-distribution network electricity utilization state data to a distribution network control unit,
step S107: the power distribution network control unit calculates a power distribution network topology optimization model based on the power consumption state data of the sub power distribution network sent by each sub power distribution network topology management unit;
step S109: the power distribution network control unit reconstructs a power distribution network module topological structure based on the power distribution network topological structure optimization model;
the power cable comprises an alternating current transmission power line and a power utilization state signal transmission line, and the power utilization state signal transmission line is used for transmitting digital signals or analog signals carrying the power utilization end and the identity information of the sub-distribution network;
the power consumption state signal transmission line is used for transmitting digital signals or analog signals carrying the power consumption end and the identity information of the sub-distribution network, the power consumption parameters of the power consumption end at least comprise power consumption end input power and power consumption end voltage amplitude, the power consumption state signal transmission line is used for transmitting analog signals carrying the power consumption end and the identity information of the sub-distribution network, only a digital-to-analog bidirectional converter is needed to be configured in a sub-distribution network topology management unit and a distribution network control unit, the analog signals transmitted by the distribution network are converted into digital signals at least representing the power consumption end input power, the power consumption end voltage amplitude, the identity information of each power consumption end and the identity information of the sub-distribution network, and the sub-distribution network topology management unit and the distribution network control unit can store and process the digital signals;
in step S103, the topology management unit of the sub-distribution network performs data processing on the power consumption parameters of each power consumption end, and specifically includes that the topology management unit of the sub-distribution network performs fourier frequency domain difference change and linear regression on the power consumption end input power and the power consumption end voltage amplitude of each power consumption end to obtain power consumption state data of the sub-distribution network;
in step S105, the topology structure of the sub-distribution network further has a transmission interface capable of performing data transmission with the distribution network control unit, and is configured to send the collected and processed power consumption state data of the sub-distribution network to the distribution network control unit, where the sending is based on the power consumption state transmission in the power cable for data transmission;
in step S107, the topology structure management unit of the sub-distribution network sends the power consumption state data of the sub-distribution network to the distribution network control unit, where the power consumption state of the sub-distribution network is used to reflect the power consumption state of the sub-distribution network based on the power consumption parameters of each power consumption end, and meanwhile, the power consumption state data of the sub-distribution network at least includes identity information of the sub-distribution network, and is used to identify the correspondence between the power consumption state of each sub-distribution network and the sub-distribution network when the distribution network control unit calculates the entire distribution network topology structure.
2. The power distribution network topology model generation method of claim 1, wherein the sub-power distribution network topology type comprises at least a bus structure, a star structure, a ring structure, a tree structure, or a mesh structure.
3. The power distribution network topology model generation method of claim 1, wherein the power consumption parameter information of the power consumption terminal at least comprises identity information of each power consumption terminal and identity information of a target sub-power distribution network topology management unit.
4. The power distribution network topology model generation method of claim 1, wherein the sub-power distribution network power usage status data includes at least identity information of the sub-power distribution network.
5. The method for generating a topology model of a power distribution network as recited in claim 4, wherein reconstructing a topology of the power distribution network module based on the topology optimization model of the power distribution network specifically includes reconstructing a topology type of each power utilization terminal in at least one of the power distribution network topology sub-modules.
6. A terminal device for generating a topology model of a power distribution network, the terminal device comprising a power distribution network control unit and a processor, the power distribution network control unit implementing the power distribution network topology model generation method according to any one of claims 1-5 based on a computer program executed by the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310086841.8A CN116094169B (en) | 2023-01-28 | 2023-01-28 | Power distribution network topology model generation method and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310086841.8A CN116094169B (en) | 2023-01-28 | 2023-01-28 | Power distribution network topology model generation method and terminal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116094169A CN116094169A (en) | 2023-05-09 |
| CN116094169B true CN116094169B (en) | 2024-04-12 |
Family
ID=86206160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310086841.8A Active CN116094169B (en) | 2023-01-28 | 2023-01-28 | Power distribution network topology model generation method and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116094169B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036329A (en) * | 2014-05-16 | 2014-09-10 | 浙江大学 | Multi-agent collaborative optimization-based photovoltaic micro source-containing active distribution network topology reconfiguration method |
| CN104239342A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Establishment method of distribution network topology model |
| CN104993591A (en) * | 2015-07-06 | 2015-10-21 | 江苏省电力公司南京供电公司 | Power distribution system remote maintenance method based on IEC61850 standard |
| CN111400366A (en) * | 2020-02-27 | 2020-07-10 | 西安交通大学 | Interactive outpatient quantity prediction visual analysis method and system based on Catboost model |
| CN111431756A (en) * | 2020-04-24 | 2020-07-17 | 上海道博电气有限公司 | Topology dynamic identification method for medium-voltage distribution network |
| CN111580104A (en) * | 2020-05-27 | 2020-08-25 | 西安电子科技大学 | Maneuvering target high-resolution ISAR imaging method based on parameterized dictionary |
| CN112134357A (en) * | 2020-09-21 | 2020-12-25 | 珠海许继芝电网自动化有限公司 | Power distribution automation master station system based on cloud service |
| CN112488874A (en) * | 2020-12-07 | 2021-03-12 | 清华大学 | Data-driven distribution network topology estimation and line parameter identification method |
| WO2021118216A1 (en) * | 2019-12-12 | 2021-06-17 | 포항공과대학교 산학협력단 | Method for real-time system frequency and voltage fluctuation modeling according to reconstruction of system network topology, and electronic device therefor |
| CN113241738A (en) * | 2021-04-28 | 2021-08-10 | 浙江工业大学 | Topology reconstruction fault recovery and equipment deployment method for power distribution network |
| CN113507117A (en) * | 2021-07-08 | 2021-10-15 | 国网河北省电力有限公司电力科学研究院 | Power distribution network topology model generation method and terminal equipment |
| CN115000949A (en) * | 2022-06-24 | 2022-09-02 | 广东电网有限责任公司 | Power distribution network modeling method, device, equipment and storage medium |
| CN115372728A (en) * | 2022-05-31 | 2022-11-22 | 广东电网有限责任公司 | Current transformer working state monitoring method and device and storage medium |
| CN115423242A (en) * | 2022-07-18 | 2022-12-02 | 国网河南省电力公司郑州供电公司 | Power supply capacity mining method based on power distribution network reconstruction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3020950A1 (en) * | 2018-10-16 | 2020-04-16 | Hydro-Quebec | Reconstruction of a topology of an electrical distribution network |
-
2023
- 2023-01-28 CN CN202310086841.8A patent/CN116094169B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104239342A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Establishment method of distribution network topology model |
| CN104036329A (en) * | 2014-05-16 | 2014-09-10 | 浙江大学 | Multi-agent collaborative optimization-based photovoltaic micro source-containing active distribution network topology reconfiguration method |
| CN104993591A (en) * | 2015-07-06 | 2015-10-21 | 江苏省电力公司南京供电公司 | Power distribution system remote maintenance method based on IEC61850 standard |
| WO2021118216A1 (en) * | 2019-12-12 | 2021-06-17 | 포항공과대학교 산학협력단 | Method for real-time system frequency and voltage fluctuation modeling according to reconstruction of system network topology, and electronic device therefor |
| CN111400366A (en) * | 2020-02-27 | 2020-07-10 | 西安交通大学 | Interactive outpatient quantity prediction visual analysis method and system based on Catboost model |
| CN111431756A (en) * | 2020-04-24 | 2020-07-17 | 上海道博电气有限公司 | Topology dynamic identification method for medium-voltage distribution network |
| CN111580104A (en) * | 2020-05-27 | 2020-08-25 | 西安电子科技大学 | Maneuvering target high-resolution ISAR imaging method based on parameterized dictionary |
| CN112134357A (en) * | 2020-09-21 | 2020-12-25 | 珠海许继芝电网自动化有限公司 | Power distribution automation master station system based on cloud service |
| CN112488874A (en) * | 2020-12-07 | 2021-03-12 | 清华大学 | Data-driven distribution network topology estimation and line parameter identification method |
| CN113241738A (en) * | 2021-04-28 | 2021-08-10 | 浙江工业大学 | Topology reconstruction fault recovery and equipment deployment method for power distribution network |
| CN113507117A (en) * | 2021-07-08 | 2021-10-15 | 国网河北省电力有限公司电力科学研究院 | Power distribution network topology model generation method and terminal equipment |
| CN115372728A (en) * | 2022-05-31 | 2022-11-22 | 广东电网有限责任公司 | Current transformer working state monitoring method and device and storage medium |
| CN115000949A (en) * | 2022-06-24 | 2022-09-02 | 广东电网有限责任公司 | Power distribution network modeling method, device, equipment and storage medium |
| CN115423242A (en) * | 2022-07-18 | 2022-12-02 | 国网河南省电力公司郑州供电公司 | Power supply capacity mining method based on power distribution network reconstruction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116094169A (en) | 2023-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111541263B (en) | Harmonic control strategy evaluation method, system and equipment for flexible direct current transmission system | |
| CN113191575B (en) | Optimization method, device, terminal and storage medium for power distribution network maintenance power failure mode | |
| CN109066650B (en) | Power system vulnerability assessment method and terminal equipment | |
| CN111638666A (en) | Multi-module parallel machine system master-slave-free power distribution method and multi-module power system | |
| CN116094169B (en) | Power distribution network topology model generation method and terminal equipment | |
| CN114465212A (en) | Power distribution network protection and self-healing method, device, system and storage medium | |
| CN111079982B (en) | Planning method, system, medium and electronic equipment for cable path of wind power plant | |
| CN111224415B (en) | Energy storage method, device and system of energy storage system and computer readable storage medium | |
| CN102880988A (en) | Topology comparison-based method and device for importing substation model | |
| CN112949006B (en) | Power distribution planning method, system and equipment | |
| CN110768294A (en) | Random scheduling method and device for distributed power supply | |
| CN112084644B (en) | Dynamic equivalence method and device for power system and storage medium | |
| CN117791629A (en) | AVC substation reactive power optimization auxiliary control method and system | |
| CN113746136B (en) | Method, device and equipment for configuring air-fire bundling outgoing capacity based on transient limit | |
| CN111313471B (en) | Inverter boost bypass switching method and photovoltaic power generation system | |
| CN112531629B (en) | Method and device for automatically setting protection setting value of power distribution network and terminal equipment | |
| CN114827136A (en) | Edge cloud cooperation method and terminal equipment | |
| CN112003459B (en) | Current control method and system of staggered parallel topology | |
| CN109783900B (en) | Real-time online modeling system and method for new energy multi-wind field | |
| CN116760058A (en) | Configuration method and device of low-frequency alternating-current power transmission system and electronic equipment | |
| CN115632402A (en) | 110kV power grid with distributed power supply and control method | |
| CN117674306A (en) | Coordination method and device for active control and power grid structure | |
| CN114069702A (en) | Power grid operation control method and device, terminal and storage medium | |
| CN112686548A (en) | Energy storage system operation method and device, electronic equipment and storage medium | |
| CN114069703A (en) | Power grid structure and power supply control method for power grid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |