CN109101710B - Computing device and method for mechanical parameters of inclined suspension tubular busbar - Google Patents
Computing device and method for mechanical parameters of inclined suspension tubular busbar Download PDFInfo
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Abstract
The invention provides a calculation device and a method for mechanical parameters of an inclined suspension tubular busbar, and relates to the technical field of computers, wherein the device comprises: the system comprises a human-computer interaction interface and a physical parameter calculation module, wherein the human-computer interaction interface is used for acquiring physical parameters input by a user, and the physical parameters comprise at least one of the following: parameters of a tubular busbar, parameters of an insulator string, parameters of auxiliary equipment of the tubular busbar, parameters of a busbar suspension position and environmental parameters; the physical parameter calculation module is used for calculating mechanical parameters of the inclined suspension tubular bus based on the physical parameters, wherein the mechanical parameters comprise at least one of the following: the horizontal displacement parameter of the inclined suspension tube bus, the vertical displacement parameter of the inclined suspension tube bus, the tension parameter of the loose insulator and the tension parameter of the tightening insulator. The device provided by the invention simplifies the calculation process, so that the mechanical calculation result of the inclined suspension tubular bus has more practical application value.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a computing device and a computing method for mechanical parameters of an inclined suspension tubular busbar.
Background
The inclined suspension tubular bus is formed by suspending a tubular bus by using an insulator string and suspending the tubular bus on a bus door-shaped framework. The suspension insulator string is used, the defect of poor shock resistance of the rod type pillar insulator is avoided, and meanwhile, the tubular bus is adopted, so that the advantages of small sag, small windage displacement and small tension on a bus frame are reserved.
In recent years, an extra-high voltage transformer substation of 500kV and above mainly uses an open type power distribution device, and particularly in the 500kV and extra-high voltage transformer substation, a basic bus type which is most commonly used for an outdoor station is formed by obliquely suspending a tubular bus. The mechanical design technology of the tubular bus is the core content of the design of the outdoor station and is also the key place of the electrical and civil engineering professional interface.
For the mechanical calculation mode of the tubular bus, no special device in the first calculation embodiment exists in the electric power design industry, and the design units generally adopt the following calculation modes: (1) hand counting is mainly carried out; (2) cursory calculation of equivalent straight line segments of the curved suspension string; (3) empirical value estimation. The above calculation methods have the defects of large calculation result error, long calculation time, complex solving process, unmanned aerial vehicle interaction interface and the like.
Disclosure of Invention
In view of the foregoing, it is an object of the present invention to provide a computing device, method and computer readable medium for mechanical parameters of an inclined suspension tubular busbar. According to the device provided by the invention, through the design of the man-machine interaction interface, the related mechanical parameters of the inclined suspension tubular bus can be automatically calculated, so that the purposes of simplifying the calculation process and accelerating the calculation process are achieved.
In a first aspect, an embodiment of the present invention provides a computing device for mechanical parameters of an inclined suspension tubular busbar, including: a man-machine interaction interface and a physical parameter calculation module; the human-computer interaction interface is used for acquiring physical parameters input by a user, wherein the physical parameters comprise at least one of the following: parameters of a tubular busbar, parameters of an insulator string, parameters of auxiliary equipment of the tubular busbar, parameters of a busbar suspension position and environmental parameters; the physical parameter calculation module is used for calculating mechanical parameters of the inclined suspension tubular bus based on the physical parameters, wherein the mechanical parameters comprise at least one of the following: the horizontal displacement parameter of the inclined suspension tube bus, the vertical displacement parameter of the inclined suspension tube bus, the tension parameter of the loose insulator and the tension parameter of the tightening insulator.
Further, the tubular busbar parameters include at least one of: the outer diameter of the tubular bus, the inner diameter of the tubular bus, the length of the tubular bus and the density of the tubular bus; the insulator string parameters include at least one of: the number of pieces of the insulator string, the gravity of the insulator string and the winded area of the insulator string; the tubular busbar accessory parameters include at least one of: centralizing load, terminal ball mass, wire clamp gravity and connecting hardware fitting gravity; the bus bar suspension position parameter includes at least one of: horizontal span, vertical span, horizontal span, and overhanging length; the environmental parameters include at least one of: wind speed, short-circuit current and ice coating thickness.
Further, the physical parameter calculation module includes: a first computing module and a second computing module; wherein: the first calculation module is used for processing the physical parameters according to a preset linear equation to obtain a first calculation result; wherein the first calculation result includes: the self-stress parameters of the inclined suspension tube bus when the inclined suspension tube bus is not short-circuited and windless and/or the self-stress parameters of the inclined suspension tube bus when the inclined suspension tube bus is not short-circuited and windless; the second calculation module is used for processing the physical parameters and the first calculation result according to a target preset nonlinear equation to obtain a second calculation result; wherein the second calculation result includes: the horizontal displacement parameter of the inclined suspension tubular bus and/or the vertical displacement parameter of the inclined suspension tubular bus and/or the tension parameter of the loose insulator and/or the tension parameter of the tightening insulator.
Further, the preset linear equation includes: the self-stress calculation equation of the inclined suspension tube bus and the gravity calculation equation of auxiliary equipment of the inclined suspension tube bus; the target preset nonlinear equation comprises: and the equation is used for calculating the displacement parameter of the bus bar of the inclined suspension tube and the equation is used for calculating the stress parameter of the suspension insulator.
In a second aspect, an embodiment of the present invention provides a method for calculating a mechanical parameter of an inclined suspension tubular busbar, including: obtaining a physical parameter input by a user, wherein the physical parameter comprises at least one of the following: parameters of a tubular busbar, parameters of an insulator string, parameters of auxiliary equipment of the tubular busbar, parameters of a busbar suspension position and environmental parameters; calculating a mechanical parameter of the inclined suspended tubular busbar based on the physical parameter, wherein the mechanical parameter comprises at least one of: the horizontal displacement parameter of the inclined suspension tube bus, the vertical displacement parameter of the inclined suspension tube bus, the tension parameter of the loose insulator and the tension parameter of the tightening insulator.
Further, calculating the mechanical parameters of the inclined suspended tubular bus based on the physical parameters includes: determining intermediate variable parameters; determining a preset linear equation and a preset nonlinear equation based on the physical parameters and the intermediate variable parameters; obtaining a first calculation result based on the preset linear equation, wherein the first calculation result comprises: the self-stress parameters of the inclined suspension tube bus when the inclined suspension tube bus is not short-circuited and windless and/or the self-stress parameters of the inclined suspension tube bus when the inclined suspension tube bus is not short-circuited and windless; based on the first calculation result, carrying out optimization calculation on the preset nonlinear equation to obtain a target optimization result; performing re-optimization calculation on the preset nonlinear equation based on the target optimization result, and obtaining a second calculation result, wherein the second calculation result comprises: the horizontal displacement parameter of the inclined suspension tubular bus and/or the vertical displacement parameter of the inclined suspension tubular bus and/or the tension parameter of the loose insulator and/or the tension parameter of the tightening insulator.
Further, based on the first calculation result, performing optimization calculation on the preset nonlinear equation, and obtaining a target optimization result includes: presetting a plurality of groups of adjustable parameters, wherein each adjustable parameter comprises at least one of the following: the catenary constant and the suspension point of the insulator are stressed, and the values of any two groups of adjustable parameters are different; optimizing the preset nonlinear equation based on the first calculation result and the plurality of groups of adjustable parameters to obtain a plurality of groups of optimized results; and selecting the optimization result with the smallest error of the first N groups from the plurality of groups of optimization results as the target optimization result.
Further, performing re-optimization calculation on the preset nonlinear equation based on the target optimization result, and obtaining a second calculation result includes: selecting an optimization result with the highest convergence speed from the target optimization results according to the convergence speed of the target optimization results; determining an adjustable parameter corresponding to the optimization result with the highest convergence speed; and calculating the preset nonlinear equation based on the corresponding adjustable parameter to obtain the second calculation result.
Further, the method further comprises: and verifying the preset linear equation to verify the correctness of the preset linear equation.
In a third aspect, embodiments of the present invention also provide a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method of the second aspect.
According to the device provided by the invention, through the design of the man-machine interaction interface, the related mechanical parameters of the inclined suspension tubular bus can be automatically calculated, so that the purposes of simplifying the calculation process and accelerating the calculation process are achieved.
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 objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a calculation device for mechanical parameters of an inclined suspension tubular busbar according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for calculating mechanical parameters of an inclined suspension tubular busbar according to an embodiment of the present invention;
FIG. 3 is a flowchart of a method for calculating mechanical parameters of a first alternative inclined suspension tubular busbar according to an embodiment of the present invention;
FIG. 4 is a flowchart of a method for calculating mechanical parameters of a second alternative inclined suspension tubular busbar according to an embodiment of the present invention;
fig. 5 is a flowchart of a third alternative method for calculating mechanical parameters of an inclined suspension tubular busbar according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
the embodiment of the invention provides a calculation device for mechanical parameters of an inclined suspension tube bus, and the calculation device for mechanical parameters of the inclined suspension tube bus provided by the embodiment of the invention is specifically introduced below.
FIG. 1 is a calculation device for mechanical parameters of an inclined suspended tubular busbar according to an embodiment of the present invention, as shown in FIG. 1, including: a man-machine interaction interface 10 and a physical parameter calculation module 20.
The human-computer interaction interface 10 is configured to obtain physical parameters input by a user, where the physical parameters include at least one of the following: parameters of a tubular busbar, parameters of an insulator string, parameters of auxiliary equipment of the tubular busbar, parameters of a busbar suspension position and environmental parameters.
The physical parameter calculation module 20 is configured to calculate a mechanical parameter of the inclined suspended tubular busbar based on the physical parameter, where the mechanical parameter includes at least one of: the horizontal displacement parameter of the inclined suspension tube bus, the vertical displacement parameter of the inclined suspension tube bus, the tension parameter of the loose insulator and the tension parameter of the tightening insulator.
According to the device provided by the invention, through the design of the man-machine interaction interface, the related mechanical parameters of the inclined suspension tubular bus can be automatically calculated, so that the purposes of simplifying the calculation process and accelerating the calculation process are achieved.
In an alternative embodiment, the tubular busbar parameters include at least one of: the outer diameter of the tubular bus, the inner diameter of the tubular bus, the length of the tubular bus and the density of the tubular bus.
In an alternative embodiment, the insulator string parameters include at least one of: the number of pieces of the insulator string, the gravity of the insulator string and the windward area of the insulator string.
In an alternative embodiment, the tubular busbar accessory parameters include at least one of: concentrated load, terminal ball mass, wire clamp gravity and connecting hardware gravity.
In an alternative embodiment, the bus bar suspension position parameter includes at least one of: horizontal span, vertical span, transverse span and hanging edge length.
In an alternative embodiment, the environmental parameter includes at least one of: wind speed, short-circuit current and ice coating thickness.
In another alternative embodiment, the physical parameter calculation module 20 further includes: a first computing module and a second computing module.
Specifically, the first calculation module is configured to process the physical parameter according to a preset linear equation to obtain a first calculation result; wherein the first calculation result includes at least one of: the self-stress parameters of the inclined suspension tube bus in the non-short circuit and windless state, the self-stress parameters of the inclined suspension tube bus in the short circuit and windless state and the self-stress parameters of the inclined suspension tube bus in the non-short circuit and windless state.
The second calculation module is used for processing the physical parameters and the first calculation result according to a target preset nonlinear equation to obtain a second calculation result; wherein the second calculation result includes at least one of: the horizontal displacement parameter of the inclined suspension tubular bus, the vertical displacement parameter of the inclined suspension tubular bus, the tension parameter of the loose insulator and the tension parameter of the tightening insulator.
Specifically, the preset linear equation includes: the self-stress calculation equation of the inclined suspension tube bus and the gravity calculation equation of auxiliary equipment of the inclined suspension tube bus; the target preset nonlinear equation comprises: and the equation is used for calculating the displacement parameter of the bus bar of the inclined suspension tube and the equation is used for calculating the stress parameter of the suspension insulator.
Embodiment two:
according to an embodiment of the present invention, there is provided an embodiment of a method for calculating mechanical parameters of an inclined suspended tubular bus, it being noted that the steps shown in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical sequence is shown in the flowchart, in some cases the steps shown or described may be performed in a different order than what is shown or described herein.
Fig. 2 is a flowchart of a method for calculating mechanical parameters of an inclined suspension tubular busbar according to an embodiment of the present invention, as shown in fig. 2, the method includes the steps of:
step S202, acquiring physical parameters input by a user, wherein the physical parameters comprise at least one of the following: parameters of a tubular busbar, parameters of an insulator string, parameters of auxiliary equipment of the tubular busbar, parameters of a busbar suspension position and environmental parameters;
step S204, calculating mechanical parameters of the inclined suspension tubular bus based on the physical parameters, wherein the mechanical parameters comprise at least one of the following: the horizontal displacement parameter of the inclined suspension tube bus, the vertical displacement parameter of the inclined suspension tube bus, the tension parameter of the loose insulator and the tension parameter of the tightening insulator.
It should be noted that, in the present embodiment, the steps S202 to S204 are applied to the calculation device of the mechanical parameters of the inclined suspension tubular bus bar described in the first embodiment.
In this embodiment, the device executes the steps S202 to S204, so that the relevant mechanical parameters of the inclined suspension tubular busbar can be automatically calculated, thereby simplifying the calculation process and accelerating the calculation process.
Specifically, in step S202, the tubular busbar parameters include at least one of: the outer diameter of the tubular bus, the inner diameter of the tubular bus, the length of the tubular bus and the density of the tubular bus.
The insulator string parameters include at least one of: the number of pieces of the insulator string, the gravity of the insulator string and the windward area of the insulator string.
The tubular busbar accessory parameters include at least one of: concentrated load, terminal ball mass, wire clamp gravity and connecting hardware gravity.
The bus bar suspension position parameter includes at least one of: horizontal span, vertical span, transverse span and hanging edge length.
The environmental parameters include at least one of: wind speed, short-circuit current and ice coating thickness.
In an alternative implementation of the present embodiment, as shown in fig. 3, step S204, calculating the mechanical parameter of the inclined suspension tubular busbar based on the physical parameter includes the following steps:
step S301, determining intermediate variable parameters;
step S302, a preset linear equation and a preset nonlinear equation are determined based on the physical parameters and the intermediate variable parameters;
step S303, obtaining a first calculation result based on the preset linear equation, where the first calculation result includes at least one of the following: the self-stress parameters of the inclined suspension tube bus in the non-short circuit and windless state, the self-stress parameters of the inclined suspension tube bus in the short circuit and windless state and the self-stress parameters of the inclined suspension tube bus in the non-short circuit and windless state;
step S304, based on the first calculation result, carrying out optimization calculation on the preset nonlinear equation to obtain a target optimization result;
step S305, performing re-optimization calculation on the preset nonlinear equation based on the target optimization result, and obtaining a second calculation result, where the second calculation result includes at least one of the following: the horizontal displacement parameter of the inclined suspension tubular bus, the vertical displacement parameter of the inclined suspension tubular bus, the tension parameter of the loose insulator and the tension parameter of the tightening insulator.
For example, for a particular solution process, all specific input variable parameters need to be predetermined, wherein the input variable parameters include the acquired physical parameters of the inclined suspended tubular bus, the conventional physical parameters and the intermediate variable parameters, and wherein the physical parameters of the inclined suspended tubular bus include: parameters of a tubular busbar, parameters of an insulator string, parameters of auxiliary equipment of the tubular busbar, parameters of a busbar suspension position and environmental parameters.
The apparatus in the first embodiment then substitutes all the above variable parameters into a formula capable of calculating the required mechanical parameters to constitute a system of equations. According to the properties of the equations in the equation set, dividing the equation set into two types of a preset linear equation and a preset nonlinear equation in advance to obtain the preset linear equation and the preset nonlinear equation. Thereafter, by solving the preset linear equation, at least one of the following (i.e., the first calculation result) can be obtained: the stress parameters of the inclined suspension tube bus in the non-short circuit and windless state, the stress parameters of the inclined suspension tube bus in the short circuit and windless state and the stress parameters of the inclined suspension tube bus in the non-short circuit and windless state.
In an optional implementation manner of this embodiment, as shown in fig. 4, based on the first calculation result, performing an optimization calculation on the preset nonlinear equation to obtain a target optimization result includes the following steps:
step S401, presetting a plurality of groups of adjustable parameters, wherein each adjustable parameter comprises at least one of the following: the catenary constant and the suspension point of the insulator are stressed, and the values of any two groups of adjustable parameters are different;
step S402, performing optimization calculation on the preset nonlinear equation based on the first calculation result and the multiple sets of adjustable parameters, to obtain multiple sets of optimization results;
step S403, selecting the top N groups of optimization results with the smallest error from the multiple groups of optimization results as the target optimization result.
Specifically, in this embodiment, the catenary constant and the insulator suspension point stress are used as two adjustable parameters in a preset nonlinear equation, and the selected values of the adjustable parameters directly relate to the accuracy and the error of the final result. Therefore, in the process of solving the preset nonlinear equation, multiple groups of adjustable parameters can be preset according to different data intervals, wherein each group of adjustable parameters comprises: catenary constants and insulator suspension point stress parameters. And then substituting each group of adjustable parameters into a preset nonlinear equation for solving. And finally, carrying out screening operation on a plurality of groups of optimized results obtained by solving, and selecting N groups of optimized results with the smallest numerical errors between each group of stress calculation results of the tightening and loosening insulator string obtained by calculation and practical application as the first optimized result (namely, target optimized result), wherein N can take the value of 3. In this embodiment, the adjustable parameters corresponding to the three sets of optimization results are also required to be recorded as the parameter selection after the first optimization.
Specifically, as shown in fig. 5, in an alternative implementation manner of the present embodiment, performing re-optimization calculation on the preset nonlinear equation based on the target optimization result, and obtaining a second calculation result includes the following steps:
s501, selecting an optimization result with the highest convergence speed from the target optimization results according to the convergence speed of the target optimization results;
s502, determining an adjustable parameter corresponding to the optimization result with the highest convergence speed;
and S503, calculating the preset nonlinear equation based on the corresponding adjustable parameter to obtain the second calculation result.
For example, the optimization result (i.e., the above-described target optimization result) with the smallest error for the first N sets remaining after the first optimization; and then sequencing the calculation time (i.e. convergence speed) required by the calculation process corresponding to the target optimization result. Finally, the group with the fastest convergence speed is used as the result of the second optimization (i.e. the optimization result with the fastest convergence speed).
After the optimization result with the highest convergence speed is obtained, the adjustable parameter corresponding to the optimization result with the highest convergence speed can be determined, and the preset nonlinear equation is calculated based on the corresponding adjustable parameter to obtain the second calculation result.
Optionally, the method further comprises: and verifying the preset linear equation to verify the correctness of the preset linear equation.
For example, the accuracy of the preset current equation can be verified by editing a corresponding calculation formula in EXCEL, inputting corresponding parameters to obtain a calculation result, comparing the calculation result with the intermediate calculation result of the calculation method, and if the result can be in one-to-one correspondence.
In the embodiment of the invention, the related mechanical parameters of the inclined suspension tubular bus can be automatically calculated through the design of the man-machine interaction interface, thereby achieving the purposes of simplifying the calculation process and accelerating the calculation process.
Embodiment III:
in an alternative implementation, the embodiment of the present invention further provides a computer readable medium having a non-volatile program code executable by a processor, where the program code causes the processor to perform the method of embodiment two.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, 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 with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
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 functions, if implemented in the form of the functional units of the apparatus in the first embodiment and sold or used as a separate product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in the form of an apparatus product in the first embodiment of the present invention, which is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or 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. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A computing device for mechanical parameters of an inclined suspension tubular busbar, the device comprising: a man-machine interaction interface and a physical parameter calculation module;
the human-computer interaction interface is used for acquiring physical parameters input by a user, wherein the physical parameters comprise at least one of the following: parameters of a tubular busbar, parameters of an insulator string, parameters of auxiliary equipment of the tubular busbar, parameters of a busbar suspension position and environmental parameters;
the physical parameter calculation module is used for calculating mechanical parameters of the inclined suspension tubular bus based on the physical parameters, wherein the mechanical parameters comprise at least one of the following: the horizontal displacement parameter of the inclined suspension tube bus, the vertical displacement parameter of the inclined suspension tube bus, the tension parameter born by the loose insulator and the tension parameter born by the tightening insulator;
the tubular busbar parameters include at least one of: the outer diameter of the tubular bus, the inner diameter of the tubular bus, the length of the tubular bus and the density of the tubular bus; the insulator string parameters include at least one of: the number of pieces of the insulator string, the gravity of the insulator string and the winded area of the insulator string; the tubular busbar accessory parameters include at least one of: centralizing load, terminal ball mass, wire clamp gravity and connecting hardware fitting gravity; the bus bar suspension position parameter includes at least one of: horizontal span, vertical span, horizontal span, and overhanging length; the environmental parameters include at least one of: wind speed, short-circuit current and ice coating thickness;
the physical parameter calculation module includes: a first computing module and a second computing module;
the first calculation module is used for processing the physical parameters according to a preset linear equation to obtain a first calculation result; wherein the preset linear equation includes: the self-stress calculation equation of the inclined suspension tube bus and the gravity calculation equation of auxiliary equipment of the inclined suspension tube bus; the first calculation result includes at least one of: the self-stress parameters of the inclined suspension tube bus in the non-short circuit and windless state, the self-stress parameters of the inclined suspension tube bus in the short circuit and windless state and the self-stress parameters of the inclined suspension tube bus in the non-short circuit and windless state;
the second calculation module is used for processing the physical parameters and the first calculation result according to a target preset nonlinear equation to obtain a second calculation result; wherein the target preset nonlinear equation comprises: the equation is used for calculating the displacement parameter of the bus bar of the inclined suspension tube and the equation is used for calculating the stress parameter of the suspension insulator; the second calculation result includes: the horizontal displacement parameter of the inclined suspension tube bus and/or the vertical displacement parameter of the inclined suspension tube bus and/or the tension parameter of the loose insulator and/or the tension parameter of the tightening insulator;
the second computing module is further for: presetting a plurality of groups of adjustable parameters, wherein each adjustable parameter comprises at least one of the following: the catenary constant and the suspension point of the insulator are stressed, and the values of any two groups of adjustable parameters are different; optimizing the preset nonlinear equation based on the first calculation result and the plurality of groups of adjustable parameters to obtain a plurality of groups of optimized results; selecting the optimization result with the smallest error of the first N groups from the multiple groups of optimization results as a target optimization result; and carrying out re-optimization calculation on the preset nonlinear equation based on the target optimization result, and obtaining a second calculation result.
2. A calculation method of mechanical parameters of an inclined suspension tubular busbar is characterized in that,
obtaining a physical parameter input by a user, wherein the physical parameter comprises at least one of the following: parameters of a tubular busbar, parameters of an insulator string, parameters of auxiliary equipment of the tubular busbar, parameters of a busbar suspension position and environmental parameters; the tubular busbar parameters include at least one of: the outer diameter of the tubular bus, the inner diameter of the tubular bus, the length of the tubular bus and the density of the tubular bus; the insulator string parameters include at least one of: the number of pieces of the insulator string, the gravity of the insulator string and the winded area of the insulator string; the tubular busbar accessory parameters include at least one of: centralizing load, terminal ball mass, wire clamp gravity and connecting hardware fitting gravity; the bus bar suspension position parameter includes at least one of: horizontal span, vertical span, horizontal span, and overhanging length; the environmental parameters include at least one of: wind speed, short-circuit current and ice coating thickness;
calculating a mechanical parameter of the inclined suspended tubular busbar based on the physical parameter, wherein the mechanical parameter comprises at least one of: the horizontal displacement parameter of the inclined suspension tube bus, the vertical displacement parameter of the inclined suspension tube bus, the tension parameter born by the loose insulator and the tension parameter born by the tightening insulator;
calculating the mechanical parameters of the inclined suspension tubular busbar based on the physical parameters includes:
processing the physical parameters according to a preset linear equation to obtain a first calculation result, wherein the first calculation result comprises: the self-stress parameters of the inclined suspension tube bus when the inclined suspension tube bus is not short-circuited and windless and/or the self-stress parameters of the inclined suspension tube bus when the inclined suspension tube bus is not short-circuited and windless;
presetting a plurality of groups of adjustable parameters, wherein each adjustable parameter comprises at least one of the following: the catenary constant and the suspension point of the insulator are stressed, and the values of any two groups of adjustable parameters are different;
optimizing and calculating a preset nonlinear equation based on the first calculation result and the plurality of groups of adjustable parameters to obtain a plurality of groups of optimized results;
selecting the optimization result with the smallest error of the first N groups from the multiple groups of optimization results as a target optimization result;
performing re-optimization calculation on the preset nonlinear equation based on the target optimization result, and obtaining a second calculation result, wherein the second calculation result comprises: the horizontal displacement parameter of the inclined suspension tubular bus and/or the vertical displacement parameter of the inclined suspension tubular bus and/or the tension parameter of the loose insulator and/or the tension parameter of the tightening insulator.
3. The method of claim 2, wherein calculating the mechanical parameter of the inclined suspended tubular busbar based on the physical parameter further comprises:
determining intermediate variable parameters;
the predetermined linear equation and the predetermined nonlinear equation are determined based on the physical parameter and the intermediate variable parameter.
4. The method of claim 3, wherein re-optimizing the preset nonlinear equation based on the target optimization result and obtaining a second calculation result comprises:
selecting an optimization result with the highest convergence speed from the target optimization results according to the convergence speed of the target optimization results;
determining an adjustable parameter corresponding to the optimization result with the highest convergence speed;
and calculating the preset nonlinear equation based on the corresponding adjustable parameter to obtain the second calculation result.
5. A method according to claim 3, characterized in that the method further comprises:
and verifying the preset linear equation to verify the correctness of the preset linear equation.
6. A computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method of any of claims 2-5.
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| CN110197023B (en) * | 2019-05-22 | 2023-04-18 | 国网新疆电力有限公司电力科学研究院 | Optimization method of tube bus sliding fitting and MGG1-200 tube bus sliding fitting |
| CN111553062B (en) * | 2020-04-17 | 2023-06-27 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Method and system for judging whether insulator ball head is separated |
| CN113868738B (en) * | 2021-09-16 | 2024-06-28 | 中国电建集团河北省电力勘测设计研究院有限公司 | Three-dimensional design method for inclined suspension type tubular bus of transformer substation |
| CN114091305B (en) * | 2021-11-18 | 2022-07-12 | 广东电网有限责任公司 | Random seismic response analysis method and system for supporting tubular busbar structure |
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