CN114389258A - Method and device for optimizing load bearing of radiation power supply circuit - Google Patents
Method and device for optimizing load bearing of radiation power supply circuit Download PDFInfo
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- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
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- 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
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Abstract
The invention provides a method and a device for optimizing load bearing of a radiation power supply circuit, wherein the method comprises the following steps: collecting line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line; calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter; and determining the accessible load capacity of the radiation power supply line based on the maximum load. The invention can ensure that the system voltage level meets the requirement after the load is connected and does not exceed the protocol capacity of the line.
Description
Technical Field
The invention relates to the technical field of power supply, in particular to a method and a device for optimizing load bearing of a radiation power supply circuit.
Background
For a long time, due to the fact that geographical positions of low population density areas are far away, power grid construction is backward, the quality of electric energy cannot be guaranteed, the development of regional economy and society and the lives of local residents are seriously affected, and in recent years, the power supply rate of the low population density areas is greatly improved. With the transformation of a power distribution network in recent years, a power supply mode of ring network wiring and radiation power supply is gradually formed, and the power supply reliability is greatly improved.
At present, radiation power supply circuits are widely applied to distribution networks, in low population density areas with relatively weak system network frames, the radiation power supply circuits can have low voltage problems due to overlong power supply distance, and the problem of power supply circuit overload can be caused when loads are large. How to reasonably plan the accessible load capacity of the radiation-shaped power supply line, so that the line protocol capacity is fully utilized, and meanwhile, the problem that the radiation-shaped power supply line needs to solve is not caused by too low voltage at the tail end of the line.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method and a device for optimizing the load bearing of a radiation power supply line, which ensure that the voltage level meets the requirement after the load is connected and simultaneously does not exceed the protocol capacity of the radiation power supply line.
In order to solve the technical problems, the invention provides the following technical scheme:
in a first aspect, the present invention provides a method for optimizing load bearing of a radiation power supply line, including:
collecting line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line;
calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter;
and determining the accessible load capacity of the radiation power supply line based on the maximum load.
Further, before collecting the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter of the radiation power supply line, the method further comprises the following steps:
carrying out transformation ratio normalization processing on the radiation power supply line to obtain an equivalent line of the radiation power supply line;
correspondingly, gather the line impedance parameter, transformer impedance parameter and the power supply impedance parameter of radiation power supply line, include:
and collecting the line impedance parameters, the transformer impedance parameters and the power supply impedance parameters of the equivalent line.
Wherein, the calculating the maximum load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter comprises:
calculating a first load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a first constraint condition; wherein the first constraint condition comprises: a voltage at the load access location is less than or equal to a lower limit of the voltage level;
and if the first load is less than or equal to the protocol load of the radiation power supply line, determining that the first load is the maximum load of the radiation power supply line.
Further, still include:
if the first load is larger than the protocol load of the radiation power supply line, calculating a second load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a second constraint condition; wherein the second constraint condition comprises: the voltage at the load access location is less than or equal to a lower limit of the voltage level, and the total load of the radiating power supply line is equal to a protocol load of the radiating power supply line;
and determining the second load as the maximum load of the radiation power supply line.
In a second aspect, the present invention provides an apparatus for optimizing load bearing of a radiating power supply line, including:
the acquisition module is used for acquiring line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line;
the calculation module is used for calculating the maximum load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter;
and the optimization module is used for determining the accessible load capacity of the radiation power supply line based on the maximum load.
Further, still include:
the processing module is used for carrying out transformation ratio reduction processing on the radiation power supply circuit to obtain an equivalent line of the radiation power supply circuit;
correspondingly, the acquisition module comprises:
and the acquisition unit is used for acquiring the line impedance parameters, the transformer impedance parameters and the power supply impedance parameters of the equivalent line.
Wherein the calculation module comprises:
the first calculation unit is used for calculating a first load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a first constraint condition; wherein the first constraint condition comprises: a voltage at the load access location is less than or equal to a lower limit of the voltage level;
and the first judging unit is used for determining that the first load is the maximum load of the radiation power supply line if the first load is less than or equal to the protocol load of the radiation power supply line.
Further, still include:
the second calculation unit is used for calculating a second load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a second constraint condition if the first load is larger than the protocol load of the radiation power supply line; wherein the second constraint condition comprises: the voltage at the load access location is less than or equal to a lower limit of the voltage level, and the total load of the radiating power supply line is equal to a protocol load of the radiating power supply line;
and the second judging unit is used for determining that the second load is the maximum load of the radiation power supply line.
In a third aspect, the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method for optimizing load bearing of a radiating power supply line when executing the program.
In a fourth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the method for optimizing a radiated power supply line load bearer.
According to the technical scheme, the invention provides the optimization method and the device for the load bearing of the radiation power supply line, which are characterized in that the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter of the radiation power supply line are collected; calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter; and determining the accessible load capacity of the radiation power supply line based on the maximum load. The system voltage level can meet the requirement after the load is connected, and meanwhile, the protocol capacity of the line is not exceeded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first flowchart of a method for optimizing load bearing of a radiation power supply line according to an embodiment of the present invention.
Fig. 2 is a second flowchart of the method for optimizing load bearing of a radiation power supply line in the embodiment of the present invention.
Fig. 3 is a schematic diagram of a radiating power line in the method for optimizing load bearing of the radiating power line according to the embodiment of the present invention.
Fig. 4 is a schematic diagram of an equivalent line in the optimization method for load bearing of a radiation power supply line according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an optimization apparatus for load carrying of a radiation power supply line in an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an electronic device in an embodiment of 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.
The invention provides an embodiment of a method for optimizing load bearing of a radiation power supply line, and referring to fig. 1, the method for optimizing load bearing of a radiation power supply line specifically includes the following contents:
s101: collecting line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line;
it should be noted that the line impedance parameters refer to impedance and reactance on the transmission line in the power transmission process; the transformer impedance parameters refer to impedance and reactance on a transformer in the power supply transmission process; the power supply impedance parameters refer to the voltage and reactance of the power supply system side in the power supply transmission process.
S102: calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter;
in this step, the following relationship exists in the radiation power supply line:
wherein R isTIs the impedance of a transformer, RLFor the impedance of the transmission line, j denotes the imaginary part,
is a vector of the load access location voltage,
k is the transformation ratio of the high-voltage side and the low-voltage side of the transformer; x'0＝X0/k2，X0Reactance for power supply system, XTIs the reactance of a transformer, XLIs the reactance of the transmission line;
for the current vector of the power supply system, S is the load, P is the active power, Q is the reactive power,
is the complex conjugate of the current.
It will be appreciated that all voltages are phase voltages (voltage to ground for each phase).
Before calculating the maximum load of the radiation power supply line, the power factor of the load S needs to be determined
Power factor
The calculated load S is different according to different conditions, and the power factor is different
The calculation formula is as follows:
specifically, calculating the maximum load of the radiation power supply line includes:
calculating a first load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a first constraint condition; wherein the first constraint condition comprises: a voltage at the load access location is less than or equal to a lower limit of the voltage level;
(1) setting the voltage U at the load access position during the calculationjLower limit U equal to voltage levelsetI.e. Uj＝Uset. Will Uj＝UsetSubstituted type (1)And obtaining the current I. Then, using equation (2), the current I is substituted for equation (2) to obtain a first load S, which is the maximum load under the first constraint condition.
And if the first load is less than or equal to the protocol load of the radiation power supply line, determining that the first load is the maximum load of the radiation power supply line.
In this step, it is determined whether the first load S of the radiating power supply line exceeds the protocol load S of the radiating power supply line by the following formula (3)setIf the requirement of inequality (3) is satisfied. The first load S calculated by the formula (2) is determined to be the maximum load that the radiating power supply line can bear.
Further, if the first load is greater than the protocol load of the radiation power supply line, calculating a second load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a second constraint condition; wherein the second constraint condition comprises: the voltage at the load access location is less than or equal to a lower limit of the voltage level, and the total load of the radiating power supply line is equal to a protocol load of the radiating power supply line;
(2) during specific calculation, if the requirement of inequality (3) is not satisfied, it is indicated that the first load S obtained by the above solution only satisfies the first constraint bar (only satisfies the constraint of the voltage level), and the total load of the radiation power supply line exceeds the protocol load S of the radiation power supply linesetThe maximum value of the load that can be carried by the radiating power supply line should be recalculated. Let the unequal numbers of formula (3) be equal numbers, i.e. the total power of the radiating power supply line is equal to the protocol capacity S of the radiating power supply linesetSubstituting the formula (1) and the formula (2) into the formula (3) to obtain UjAnd I, obtaining a second load by using the formula (2). And determining the second load as the maximum load of the radiation power supply line.
Consider that the calculation of step (2) is performed after step (1), and therefore it must satisfy Uj≥UsetThus step (d)(2) And the calculated second load is the maximum load which can be accessed to the radiation power supply circuit.
S103: and determining the accessible load capacity of the radiation power supply line based on the maximum load.
In the step, after the maximum load which can be accessed to the radiation power supply line is determined, the accessible load capacity is determined according to the maximum load, the accessed load capacity is ensured not to exceed the maximum load, and the purpose that the system voltage level meets the requirement after the load is accessed and does not exceed the protocol capacity of the line is achieved.
As can be seen from the above description, in the method for optimizing the load bearing of the radiation power supply line provided by the embodiment of the present invention, the line impedance parameter, the transformer impedance parameter, and the power supply impedance parameter of the radiation power supply line are collected; calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter; and determining the accessible load capacity of the radiation power supply line based on the maximum load. The system voltage level can meet the requirement after the load is connected, and meanwhile, the protocol capacity of the line is not exceeded.
In an embodiment of the present invention, referring to fig. 2, before step S101 in the method for optimizing load bearing of a feeder line, the following contents are specifically included:
s100: carrying out transformation ratio normalization processing on the radiation power supply line to obtain an equivalent line of the radiation power supply line;
correspondingly, step S101 the collecting of the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter of the radiation power supply line includes:
s1011: and collecting the line impedance parameters, the transformer impedance parameters and the power supply impedance parameters of the equivalent line.
In this embodiment, the radiation power supply line shown in fig. 3 is determined, and after the radiation power supply line is subjected to the transformation ratio normalization processing, the isoline shown in fig. 4 is obtained.
Wherein: as shown in fig. 3 and 4, U0、X0For voltage and reactance, U, of 110kV power supply systems0’、X0' supplying power to 110kVThe system is reduced to the voltage and reactance, U, of the 35kV transmission line side0’＝U0/k，X0’＝X0/k2And k is the transformer transformation ratio (high voltage side to low voltage side).
XT、RTIs the reactance and impedance of a 110/35kV transformer (reduced to the 35kV side).
XL、RLIs the reactance and impedance of a 35kV transmission line.
U1Is 110/35kV transformer 110kV side voltage (U)1To 35kV side voltage), UiIs 110/35kV transformer 35kV side voltage and UjIs the load access position voltage.
Note that U is0(U0’)、RT、RL、X0(X0’)、XT、XL、SsetIn known amounts. The balance being unknown quantities including UjI, S (S includes P and Q, P and Q can be represented by S and
obtained by calculation).
As can be seen from the above description, the method for optimizing load bearing of a radiation power supply line according to the embodiment of the present invention ensures that a system voltage level meets requirements after a load is connected, and does not exceed a protocol capacity of the line. The optimization method of the accessible load size of the radiation power supply line is formed, and the method has guiding significance for load planning of the radiation power supply line.
The embodiment of the present invention provides a specific implementation manner of an optimization device for load bearing of a radiating power supply line, which can implement all the contents in the optimization method for load bearing of a radiating power supply line, and referring to fig. 5, the optimization device for load bearing of a radiating power supply line specifically includes the following contents:
the acquisition module 10 is used for acquiring line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line;
a calculating module 20, configured to calculate a maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter, and the power supply impedance parameter;
and the optimization module 30 is used for determining the accessible load capacity of the radiating power supply line based on the maximum load.
Further, still include:
the processing module is used for carrying out transformation ratio reduction processing on the radiation power supply circuit to obtain an equivalent line of the radiation power supply circuit;
correspondingly, the acquisition module comprises:
and the acquisition unit is used for acquiring the line impedance parameters, the transformer impedance parameters and the power supply impedance parameters of the equivalent line.
Wherein the calculation module comprises:
the first calculation unit is used for calculating a first load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a first constraint condition; wherein the first constraint condition comprises: a voltage at the load access location is less than or equal to a lower limit of the voltage level;
and the first judging unit is used for determining that the first load is the maximum load of the radiation power supply line if the first load is less than or equal to the protocol load of the radiation power supply line.
Further, still include:
the second calculation unit is used for calculating a second load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a second constraint condition if the first load is larger than the protocol load of the radiation power supply line; wherein the second constraint condition comprises: the voltage at the load access location is less than or equal to a lower limit of the voltage level, and the total load of the radiating power supply line is equal to a protocol load of the radiating power supply line;
and the second judging unit is used for determining that the second load is the maximum load of the radiation power supply line.
The embodiment of the apparatus for optimizing a load bearing on a radiating power supply line provided by the present invention may be specifically used for executing a processing procedure of the embodiment of the method for optimizing a load bearing on a radiating power supply line in the foregoing embodiment, and its functions are not described herein again, and reference may be made to the detailed description of the embodiment of the method.
As can be seen from the above description, the optimization device for load bearing of a radiation power supply line provided in the embodiment of the present invention collects the line impedance parameter, the transformer impedance parameter, and the power supply impedance parameter of the radiation power supply line; calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter; and determining the accessible load capacity of the radiation power supply line based on the maximum load. The system voltage level can meet the requirement after the load is connected, and meanwhile, the protocol capacity of the line is not exceeded.
The application provides an embodiment of an electronic device for implementing all or part of contents in the optimization method for load bearing of a radiation power supply line, where the electronic device specifically includes the following contents:
a processor (processor), a memory (memory), a communication Interface (Communications Interface), and a bus; the processor, the memory and the communication interface complete mutual communication through the bus; the communication interface is used for realizing information transmission between related devices; the electronic device may be a desktop computer, a tablet computer, a mobile terminal, and the like, but the embodiment is not limited thereto. In this embodiment, the electronic device may be implemented with reference to the embodiment of the method for implementing load bearing on a radiation power supply line and the embodiment of the apparatus for implementing load bearing on a radiation power supply line in this embodiment, and the contents thereof are incorporated herein, and repeated details are not described herein.
Fig. 6 is a schematic block diagram of a system configuration of an electronic device 9600 according to an embodiment of the present application. As shown in fig. 6, the electronic device 9600 can include a central processor 9100 and a memory 9140; the memory 9140 is coupled to the central processor 9100. Notably, this FIG. 6 is exemplary; other types of structures may also be used in addition to or in place of the structure to implement telecommunications or other functions.
In one embodiment, the optimization function of the radiated power supply line load bearing can be integrated into the central processor 9100. The central processor 9100 may be configured to control as follows:
collecting line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line;
calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter;
and determining the accessible load capacity of the radiation power supply line based on the maximum load.
As can be seen from the above description, the electronic device provided in the embodiments of the present application collects the line impedance parameter, the transformer impedance parameter, and the power supply impedance parameter of the radiation power supply line; calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter; and determining the accessible load capacity of the radiation power supply line based on the maximum load. The system voltage level can meet the requirement after the load is connected, and meanwhile, the protocol capacity of the line is not exceeded.
In another embodiment, the optimization device for the load bearer of the radiation power supply line may be configured separately from the central processor 9100, for example, the optimization device for the load bearer of the radiation power supply line may be configured as a chip connected to the central processor 9100, and the optimization function for the load bearer of the radiation power supply line is realized through the control of the central processor.
As shown in fig. 6, the electronic device 9600 may further include: a communication module 9110, an input unit 9120, an audio processor 9130, a display 9160, and a power supply 9170. It is noted that the electronic device 9600 also does not necessarily include all of the components shown in fig. 6; further, the electronic device 9600 may further include components not shown in fig. 6, which may be referred to in the art.
As shown in fig. 6, a central processor 9100, sometimes referred to as a controller or operational control, can include a microprocessor or other processor device and/or logic device, which central processor 9100 receives input and controls the operation of the various components of the electronic device 9600.
The memory 9140 can be, for example, one or more of a buffer, a flash memory, a hard drive, a removable media, a volatile memory, a non-volatile memory, or other suitable device. The information relating to the failure may be stored, and a program for executing the information may be stored. And the central processing unit 9100 can execute the program stored in the memory 9140 to realize information storage or processing, or the like.
The input unit 9120 provides input to the central processor 9100. The input unit 9120 is, for example, a key or a touch input device. Power supply 9170 is used to provide power to electronic device 9600. The display 9160 is used for displaying display objects such as images and characters. The display may be, for example, an LCD display, but is not limited thereto.
The memory 9140 can be a solid state memory, e.g., Read Only Memory (ROM), Random Access Memory (RAM), a SIM card, or the like. There may also be a memory that holds information even when power is off, can be selectively erased, and is provided with more data, an example of which is sometimes called an EPROM or the like. The memory 9140 could also be some other type of device. Memory 9140 includes a buffer memory 9141 (sometimes referred to as a buffer). The memory 9140 may include an application/function storage portion 9142, the application/function storage portion 9142 being used for storing application programs and function programs or for executing a flow of operations of the electronic device 9600 by the central processor 9100.
The memory 9140 can also include a data store 9143, the data store 9143 being used to store data, such as contacts, digital data, pictures, sounds, and/or any other data used by an electronic device. The driver storage portion 9144 of the memory 9140 may include various drivers for the electronic device for communication functions and/or for performing other functions of the electronic device (e.g., messaging applications, contact book applications, etc.).
The communication module 9110 is a transmitter/receiver 9110 that transmits and receives signals via an antenna 9111. The communication module (transmitter/receiver) 9110 is coupled to the central processor 9100 to provide input signals and receive output signals, which may be the same as in the case of a conventional mobile communication terminal.
Based on different communication technologies, a plurality of communication modules 9110, such as a cellular network module, a bluetooth module, and/or a wireless local area network module, may be provided in the same electronic device. The communication module (transmitter/receiver) 9110 is also coupled to a speaker 9131 and a microphone 9132 via an audio processor 9130 to provide audio output via the speaker 9131 and receive audio input from the microphone 9132, thereby implementing ordinary telecommunications functions. The audio processor 9130 may include any suitable buffers, decoders, amplifiers and so forth. In addition, the audio processor 9130 is also coupled to the central processor 9100, thereby enabling recording locally through the microphone 9132 and enabling locally stored sounds to be played through the speaker 9131.
An embodiment of the present invention further provides a computer-readable storage medium capable of implementing all the steps in the optimization method for load bearing of a radiation power supply line in the foregoing embodiment, where the computer-readable storage medium stores a computer program, and the computer program, when executed by a processor, implements all the steps of the optimization method for load bearing of a radiation power supply line in the foregoing embodiment, for example, the processor implements the following steps when executing the computer program:
collecting line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line;
calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter;
and determining the accessible load capacity of the radiation power supply line based on the maximum load.
As can be seen from the above description, the computer-readable storage medium provided in the embodiment of the present invention collects the line impedance parameter, the transformer impedance parameter, and the power supply impedance parameter of the radiation power supply line; calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter; and determining the accessible load capacity of the radiation power supply line based on the maximum load. The system voltage level can meet the requirement after the load is connected, and meanwhile, the protocol capacity of the line is not exceeded.
Although the present invention provides method steps as described in the examples or flowcharts, more or fewer steps may be included based on routine or non-inventive labor. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution. When an actual apparatus or client product executes, it may execute sequentially or in parallel (e.g., in the context of parallel processors or multi-threaded processing) according to the embodiments or methods shown in the figures.
As will be appreciated by one skilled in the art, embodiments of the present description may be provided as a method, apparatus (system) or computer program product. Accordingly, embodiments of the present description 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 flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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 processor, 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.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention is not limited to any single aspect, nor is it limited to any single embodiment, nor is it limited to any combination and/or permutation of these aspects and/or embodiments. Moreover, each aspect and/or embodiment of the present invention may be utilized alone or in combination with one or more other aspects and/or embodiments thereof.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A method for optimizing load bearing of a radiation power supply line is characterized by comprising the following steps:
collecting line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line;
calculating the maximum load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter;
and determining the accessible load capacity of the radiation power supply line based on the maximum load.
2. The method for optimizing the load bearing of the radiation power supply line according to claim 1, wherein before collecting the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter of the radiation power supply line, the method further comprises:
carrying out transformation ratio normalization processing on the radiation power supply line to obtain an equivalent line of the radiation power supply line;
correspondingly, gather the line impedance parameter, transformer impedance parameter and the power supply impedance parameter of radiation power supply line, include:
and collecting the line impedance parameters, the transformer impedance parameters and the power supply impedance parameters of the equivalent line.
3. The method according to claim 1, wherein the calculating a maximum load of the feeder according to the line impedance parameter, the transformer impedance parameter and the power impedance parameter comprises:
calculating a first load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a first constraint condition; wherein the first constraint condition comprises: a voltage at the load access location is less than or equal to a lower limit of the voltage level;
and if the first load is less than or equal to the protocol load of the radiation power supply line, determining that the first load is the maximum load of the radiation power supply line.
4. The method of claim 3, further comprising:
if the first load is larger than the protocol load of the radiation power supply line, calculating a second load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a second constraint condition; wherein the second constraint condition comprises: the voltage at the load access location is less than or equal to a lower limit of the voltage level, and the total load of the radiating power supply line is equal to a protocol load of the radiating power supply line;
and determining the second load as the maximum load of the radiation power supply line.
5. An optimization device for load bearing of a radiation power supply line is characterized by comprising:
the acquisition module is used for acquiring line impedance parameters, transformer impedance parameters and power supply impedance parameters of a radiation power supply line;
the calculation module is used for calculating the maximum load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter;
and the optimization module is used for determining the accessible load capacity of the radiation power supply line based on the maximum load.
6. The apparatus for optimizing radiated power supply line load bearing according to claim 5, further comprising:
the processing module is used for carrying out transformation ratio reduction processing on the radiation power supply circuit to obtain an equivalent line of the radiation power supply circuit;
correspondingly, the acquisition module comprises:
and the acquisition unit is used for acquiring the line impedance parameters, the transformer impedance parameters and the power supply impedance parameters of the equivalent line.
7. The device for optimizing the load bearing of the radiating power supply line according to claim 5, wherein the computing module comprises:
the first calculation unit is used for calculating a first load of a radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a first constraint condition; wherein the first constraint condition comprises: a voltage at the load access location is less than or equal to a lower limit of the voltage level;
and the first judging unit is used for determining that the first load is the maximum load of the radiation power supply line if the first load is less than or equal to the protocol load of the radiation power supply line.
8. The apparatus for optimizing radiated power supply line load bearing according to claim 7, further comprising:
the second calculation unit is used for calculating a second load of the radiation power supply line according to the line impedance parameter, the transformer impedance parameter and the power supply impedance parameter based on a second constraint condition if the first load is larger than the protocol load of the radiation power supply line; wherein the second constraint condition comprises: the voltage at the load access location is less than or equal to a lower limit of the voltage level, and the total load of the radiating power supply line is equal to a protocol load of the radiating power supply line;
and the second judging unit is used for determining that the second load is the maximum load of the radiation power supply line.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method for optimizing the load bearing of a radiating power supply line according to any one of claims 1 to 4 when executing the program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for optimizing radiated power supply line load carrying according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210017785.8A CN114389258A (en) | 2022-01-07 | 2022-01-07 | Method and device for optimizing load bearing of radiation power supply circuit |
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| CN202210017785.8A CN114389258A (en) | 2022-01-07 | 2022-01-07 | Method and device for optimizing load bearing of radiation power supply circuit |
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| CN114389258A true CN114389258A (en) | 2022-04-22 |
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| CN202210017785.8A Pending CN114389258A (en) | 2022-01-07 | 2022-01-07 | Method and device for optimizing load bearing of radiation power supply circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116228467A (en) * | 2023-05-06 | 2023-06-06 | 成都大前研软件开发有限公司 | Power supply method, system, equipment and medium of high-voltage power grid based on artificial intelligence |
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2022
- 2022-01-07 CN CN202210017785.8A patent/CN114389258A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116228467A (en) * | 2023-05-06 | 2023-06-06 | 成都大前研软件开发有限公司 | Power supply method, system, equipment and medium of high-voltage power grid based on artificial intelligence |
| CN116228467B (en) * | 2023-05-06 | 2023-11-03 | 国网浙江省电力有限公司丽水供电公司 | Power supply method, system, equipment and medium of high-voltage power grid based on artificial intelligence |
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