Reconstruction planning method, device, medium and equipment for uninterrupted operation of power distribution network

Abstract

The invention discloses a transformation planning method and device for power distribution network non-outage operation, a medium and equipment, and the method comprises the steps: querying a power distribution network operation table, and obtaining the information of a target power distribution network project causing user outage in an equipment maintenance process; judging whether the target distribution network project information meets a preset approach condition or not, if not, outputting a preset middle-low voltage network frame optimization scheme, and if yes, calculating the expected cost of transforming the target distribution network project by adopting the preset middle-low voltage network frame optimization scheme according to a preset cost model, and outputting a preset middle and low voltage grid optimization scheme or a preset access condition optimization scheme according to a calculation result. The method comprises the following steps: firstly, acquiring distribution network project information of a power failure line, then judging whether an access condition optimization scheme can be adopted or not according to the information, if not, adopting a middle and low voltage net rack optimization scheme, and if yes, calculating expected cost so as to select the most suitable transformation scheme; and meanwhile, automatic process management and control are carried out on the optimization scheme, so that the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of uninterrupted operation, and in particular to a power distribution network uninterrupted operation reconstruction planning method, device, medium and equipment. BACKGROUND

[0002] In the process of power supply, if the power supply needs to be stopped for maintenance, the line or equipment will be improved and optimized as much as possible during the power-off period to reduce the frequency and scope of future power-off. For all power distribution network projects or power-off lines that cause user power-off, reconstruction is carried out by optimizing the network structure or improving the uninterrupted operation implementation conditions, so as to ensure that the user power-off does not occur during the next equipment maintenance process or the uninterrupted operation implementation mode is optimized. The power supply agency now has a project that stops and then improves, which usually has a supporting work process, but lacks a systematic planning scheme and a supporting app, making it difficult to control the entire stop-and-then-improve process, affecting the operation efficiency of the stop-and-then-improve process. SUMMARY

[0003] The present application provides a power distribution network uninterrupted operation reconstruction planning method, device, medium and equipment, which solves the above technical problems.

[0004] The first aspect of the embodiment of the present application provides a power distribution network uninterrupted operation reconstruction planning method, comprising the following steps: Step 1, querying the power distribution network operation table to obtain target power distribution network project information that causes user power-off during equipment maintenance; Step 2, determining whether the target vehicle meets the preset access conditions according to the target power distribution network project information, if not, executing step 3, if yes, executing step 4; Step 3, outputting a preset medium and low voltage network optimization scheme to reconstruct the target power distribution network project; Step 4, calculating the expected cost of reconstructing the target power distribution network project using the preset medium and low voltage network optimization scheme according to a preset cost model, and outputting the preset medium and low voltage network optimization scheme or the preset access condition optimization scheme according to the calculation result.

[0005] The second aspect of the embodiment of the present application provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the power distribution network uninterrupted operation reconstruction planning method described above.

[0006] The third aspect of the embodiment of the present application provides a power distribution network uninterrupted operation reconstruction planning equipment, which comprises a computer readable storage medium and a processor, and the processor executes the computer program on the computer readable storage medium to realize the steps of the power distribution network uninterrupted operation reconstruction planning method described above.

[0007] The fourth aspect of the embodiment of the present application provides a power distribution network non-power-off operation reconstruction planning device, comprising an acquisition module, a judgment module, a first planning module and a second planning module, The acquisition module is configured to query a power distribution network operation table and acquire target power distribution network project information caused by user power-off in equipment maintenance; The judgment module is configured to judge whether the target power distribution network project information meets preset access conditions corresponding to a target vehicle, if not, drive the first planning module, and if yes, drive the second planning module; The first planning module is configured to output a preset medium and low voltage network frame optimization scheme to reconstruct the target power distribution network project; The second planning module is configured to calculate an expected cost of reconstructing the target power distribution network project by using the preset medium and low voltage network frame optimization scheme according to a preset cost model, and output the preset medium and low voltage network frame optimization scheme or a preset access condition optimization scheme according to the calculation result.

[0008] The present application provides a power distribution network non-power-off operation reconstruction planning method, device, medium and equipment, first acquires power distribution network project information of a power-off line, then judges whether an access condition optimization scheme can be used according to the power distribution network project information, if not, uses a medium and low voltage network frame optimization scheme, if yes, calculates an expected cost, thereby selecting the most suitable reconstruction scheme; meanwhile, the optimization scheme is automatically controlled in a process, thereby improving operation efficiency.

[0009] In order to make the above-mentioned purpose, characteristics and advantages of the application more obvious and easy to understand, the following will specifically describe the preferred embodiments of the present application, and the accompanying drawings will be described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0011] Figure 1 is a flowchart of the power distribution network non-power-off operation reconstruction planning method provided by embodiment 1; Figure 2 is a structural schematic diagram of the power distribution network non-power-off operation reconstruction planning device provided by embodiment 2; Figure 3 is a structural schematic diagram of the power distribution network non-power-off operation reconstruction planning device provided by embodiment 3. DETAILED DESCRIPTION

[0012] In order to make the objectives, technical solutions and advantages of the present application clearer, further detailed description will be made to the present application in combination with the accompanying drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not used to limit the present application. Based on the examples in the present application, all other examples obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0013] It should be noted that, if there is no conflict, each feature in the embodiments of the present application can be combined with each other, and all fall within the protection scope of the present application. In addition, although the functional modules are divided in the device schematic diagram, and the logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in a different order from the module division in the device or the order in the flowchart. Furthermore, the "first", "second", "third" and the like used in the present application do not limit the data and execution order, but only distinguish the same items or similar items with basically the same function and effect.

[0014] Figure 1 is a flowchart of a reconstruction planning method for non-power-off operation of a power distribution network provided by example 1. As shown in Figure 1 , it includes the following steps: Step 1, querying the power distribution network operation table to obtain target power distribution network project information caused by equipment maintenance process to user power off; Step 2, determining whether the target power distribution network project information meets the preset access condition corresponding to the target vehicle, if not, executing step 3, if yes, executing step 4; Step 3, outputting a preset medium and low voltage network frame optimization scheme to reconstruct the target power distribution network project; Step 4, calculating the expected cost of reconstructing the target power distribution network project by using the preset medium and low voltage network frame optimization scheme according to the preset cost model, and outputting the preset medium and low voltage network frame optimization scheme or the preset access condition optimization scheme according to the calculation result.

[0015] The above examples provide a reconstruction planning method for non-power-off operation of a power distribution network. First, the power distribution network project information of the power-off line is obtained, then it is determined whether the access condition optimization scheme can be used according to the power distribution network project information, if not, the medium and low voltage network frame optimization scheme is used, if yes, the expected cost is calculated, so as to select the most suitable reconstruction scheme; at the same time, the automatic process control of the optimization scheme is carried out, and the operation efficiency is improved.

[0016] The following uses specific examples to describe each step of the above method in detail.

[0017] In one embodiment, the target power distribution network project information includes outage time, outage range, outage line, and the area topographic map corresponding to the outage line, tower position, electric room position, and low-voltage fast access position. It can be understood that this information is recorded in the power company, such as the area topographic map, tower position, electric room position, and low-voltage fast access position, and the operating personnel of the power company will record the position information of the tower, electric room, and corresponding map information, field real scene information, etc. in each power supply line according to the field investigation results.

[0018] In another embodiment, the target vehicle includes a mobile box transformer vehicle, a bypass cable laying vehicle, a bypass switch vehicle, a medium-voltage power supply vehicle, a low-voltage power supply vehicle, a ring network cabinet vehicle, and / or an insulated boom truck, etc. When the pre-set access condition optimization scheme is used for outage line optimization and reconstruction, at least one type of vehicle or multiple types of vehicles need to be used in cooperation to achieve the effect of power distribution network non-outage operation. For example, for the bypass switch vehicle, it uses a pickup chassis to carry a bypass load switch and a high-voltage down cable, and is mainly used for load-bearing straight pole transformation to strain pole and installation of column switch in load-bearing projects using small bypass operation solutions. It can quickly replace and maintain the column switch in complex environments such as narrow roads and underground parking lots, and can be used in cooperation with the bypass cable laying vehicle, mobile box transformer vehicle, and ring network cabinet vehicle. The bypass cable laying vehicle (medium voltage) can store, transport, and automatically collect and release 900 meters of 10kV high-voltage flexible cable, thereby cooperating with the mobile box transformer vehicle and the mobile ring network cabinet vehicle for operation in bypass non-outage operation projects. The use of other vehicles is described in the prior art, and will not be described in detail here.

[0019] It can be understood that the use of these vehicles for non-outage operation requires a field environment suitable for vehicle driving and staff operation, so in one preferred embodiment, step 2 determines whether the target power distribution network project information meets the pre-set approach condition corresponding to the target vehicle, specifically: determining whether the target power distribution network project information meets the first pre-set condition, if yes, executing step 4, if not, determining whether it meets the second pre-set condition, if yes, executing step 4, otherwise executing step 3; The first pre-set condition is whether the end tower position of the outage line meets the approach condition corresponding to the target vehicle. The second pre-set condition is whether there is a target position on the outage line that meets the approach condition. The approach conditions include: having traffic passing conditions, having medium or low voltage access points, having preset safety devices and having preset safety operation spaces, only when the end tower position or other positions meet the above conditions approach conditions, the vehicle can approach to execute the preset access condition optimization scheme. The specific judgment process can identify whether the field area topographic map and / or the tower position, the electric house position and the medium or low voltage rapid access position meet the approach conditions through a deep learning model such as a neural network model, so as to obtain the corresponding judgment result.

[0020] It can be understood that in the embodiment of the present application, when the on-site environment of the power-off line does not meet the preset approach conditions, it is difficult to execute the preset access condition optimization scheme, therefore, in order to ensure the effect of non-power-off operation, only the medium or low voltage network optimization scheme can be executed. When the on-site environment of the power-off line meets the preset approach conditions, both the medium or low voltage network optimization scheme and the preset access condition optimization scheme can be used, but the medium or low voltage network optimization scheme has a higher cost, therefore, the expected cost of the two optimization schemes can be calculated through the preset cost model to determine which scheme is more suitable. The above-mentioned preset cost model can be established by collecting and analyzing cost statistical data of different reconstruction lines, classifying the cost statistical data, such as equipment cost, labor cost, material cost, etc., and setting different weights for each category. The specific modeling method exists in the related schemes of the prior art, which will not be described in detail here.

[0021] In one specific embodiment, the preset medium or low voltage network optimization scheme or the preset access condition optimization scheme is output according to the calculation result for the medium voltage network in step 4, specifically: When the calculation result is less than the first preset cost data, the preset medium or low voltage network optimization scheme is output, including establishing multiple medium voltage contact points at the power-off line and / or generating multiple line sections corresponding to the power-off line, and connecting through the switch device; When the calculation result is greater than or equal to the first preset cost data, the preset access condition optimization scheme is output, where the first preset cost data is set by the user in advance.

[0022] It can be understood that the method of establishing multiple medium voltage contact points is mainly to establish direct line connection between multiple power supply points in the fault line of the medium voltage distribution network, or indirect line connection through transformers, etc., so that when a power supply point fails or is under maintenance, other power supply points can provide power to the affected area. The line sectioning is to divide a long distance fault distribution line into several sections, each section is connected through a switch device such as a circuit breaker or a load switch, so as to quickly isolate the fault section and not affect the normal power supply of other sections.

[0023] Further, in one preferred embodiment, the preset access condition optimization scheme comprises: when the power failure line is a single radiation line, calculating the priority of the power failure line according to the target distribution network project information, and generating a corresponding scheme according to different priorities; First priority: setting a medium-voltage fast access device at the end of the power failure line, and setting a standby cabinet at the end of the power failure line or in a preset area close to the end of the power failure line; Second priority: obtaining target location information and target electrical room information of the power failure line, setting a medium-voltage fast access point at the target location, and reserving a standby cabinet in the target electrical room; Third priority: obtaining target access tower information of the medium-voltage power supply vehicle in the power failure line, and marking the target access tower.

[0024] It can be understood that the single radiation line refers to a line that has only a sectionalizing switch for load segmentation and fault isolation after the outgoing line of the transformer substation bus, and has no other lines that can be connected to transfer power. For the access condition optimization scheme of the overhead line in the single radiation line, a fast access device is preferentially installed at the end of the line, and if the tower position at the end of the line does not meet the vehicle access condition, a device is considered to be installed at other suitable positions. At the same time, for the access condition optimization scheme of the cable network in the single radiation line, a standby cabinet is first reserved at the end of the line, and if the electrical room position at the end of the line does not meet the vehicle access condition, it is checked whether there is any other available power (bypass connection) within 200 meters, and if the site does not meet the condition and there is no suitable power nearby, a standby cabinet is considered to be reserved at other suitable positions of the line.

[0025] Further, in one preferred embodiment, the preset access condition optimization scheme further comprises: When any medium-voltage device is out of operation, obtaining the number of power failures of public transformer users in the branch line corresponding to the power failure line; Determining whether the number of power failures is greater than a preset number, and if so, determining that the branch line is an unreasonable branch line; Calculating the priority according to the target distribution network project information of the branch line, and generating a corresponding scheme according to the priority; First priority: obtaining a determination result of whether the unreasonable branch line meets preset splitting conditions, and if not, setting an automatic circuit breaker or a load switch at the head of the branch line to segment the branch line; Second priority: obtaining target location information and target electrical room information of the branch line, setting a medium-voltage fast access point at the target location, and reserving a standby cabinet in the target electrical room; Third priority: obtaining target access tower information of the medium-voltage power supply vehicle in the branch line, and marking the target access tower.

[0026] Specifically, the unreasonable branch can be a branch line in which outage of any medium-voltage device will cause power outage of more than 5 medium-voltage users. For a large branch line that cannot be split, an automated circuit breaker is arranged at the head of the branch line, and then the branch line is segmented by arranging branch line automated sectionalizing circuit breakers or load switches according to the principle of trunk line segmentation, and a power car access point is built at a proper position on the line, so that the power car can be quickly accessed to ensure power supply when a fault occurs. For a branch line that cannot establish a loop network due to limitations of terrain and the like, a medium-voltage power car quick interface can be added at a proper position to ensure quick access of a medium-voltage power car after a fault outage, thereby reducing the outage time. Meanwhile, when the number of medium-voltage users in the branch line reaches 10 or the number of low-voltage users reaches 1000 or more, an automated circuit breaker is arranged at the head of the branch line to quickly isolate the branch line fault.

[0027] For a medium-voltage overhead line, a scheme in which an insulated boom truck or an insulated platform operation can be carried out is preferred, and when the site conditions are limited and the tower site cannot be adjusted, a scheme in which an insulated pole operation is adopted can be used.

[0028] For a low-voltage line, a low-voltage quick access box (preferably accessing a bus, and secondly accessing a trunk line) is preferred. Meanwhile, the power rooms and the public transformers of the same 10kV bus are not connected to each other (the 10kV bus of a multi-public transformer room is preferably segmented), and the outage distribution transformer is preferentially connected to a different 10kV distribution transformer; and the incremental box transformer is configured in the low-voltage quick interface, and the storage part is connected by a low-voltage connection. For those that cannot establish a low-voltage connection or a low-voltage quick access box, a low-voltage anti-reversed power supply device should be installed at a proper position of the low-voltage overhead line.

[0029] Meanwhile, for a low-voltage line, if the following two conditions are met, the generator car quick access box can not be installed according to the site conditions, but a mark should be made: a) The low-voltage power car can be parked within a range of 50 meters from the low-voltage cabinet or rack; b) The low-voltage cabinet or rack has a suitable access point (including overhead trunk line outgoing line).

[0030] In another preferred embodiment, the reconstruction planning method further includes a marking step, specifically: generating a reconstruction optimization scheme of the target distribution network project and a corresponding marking reminder instruction, the marking reminder instruction is used to remind marking the towers, power rooms and / or public transformers that can be accessed by the medium-voltage power car, the low-voltage power car, the looped network cabinet car, the insulated pole and / or the insulated boom truck during the reconstruction process, thereby facilitating subsequent line reconstruction or other non-outage operations.

[0031] It can be understood that, in the implementation process of the optimization scheme, on-site operation state data can also be collected, and the reconstruction process can be warned according to the on-site operation state data, thereby improving the operation safety.

[0032] It should be understood that the size of the serial number of each step in the above embodiment does not mean the order of execution, and the execution order of each process should be determined according to its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiment of the application.

[0033] The embodiment of the application also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the power distribution network non-power-off operation reconstruction planning method.

[0034] Figure 2 is a structural schematic diagram of the power distribution network non-power-off operation reconstruction planning device provided by the embodiment 2, as shown in Figure 2 includes an acquisition module 100, a judgment module 200, a first planning module 300 and a second planning module 400, The acquisition module 100 is used for querying a power distribution network operation table to acquire target power distribution network project information caused by equipment maintenance. The judgment module 200 is used for judging whether the target power distribution network project information meets preset access conditions corresponding to a target vehicle, if not, the first planning module is driven, and if yes, the second planning module is driven. The first planning module 300 is used for outputting a preset medium and low voltage network frame optimization scheme to reconstruct the target power distribution network project. The second planning module 400 is used for calculating an expected cost of reconstructing the target power distribution network project by using the preset medium and low voltage network frame optimization scheme according to a preset cost model, and outputting the preset medium and low voltage network frame optimization scheme or a preset access condition optimization scheme according to the calculation result.

[0035] The above embodiment provides a power distribution network non-power-off operation reconstruction planning device, which first acquires power distribution network project information of a power-off line, then judges whether an access condition optimization scheme can be used according to the power distribution network project information, if not, a medium and low voltage network frame optimization scheme is used, and if yes, an expected cost is calculated, so that the most suitable reconstruction scheme is selected; meanwhile, the optimization scheme is automatically processed and controlled, and the operation efficiency is improved.

[0036] In a preferred embodiment, the reconstruction planning device further includes a marking module, and the marking module is specifically used for generating a reconstruction optimization scheme of the target power distribution network project and corresponding marking reminder instructions, and the marking reminder instructions are used for reminding to mark a tower, an electric room and / or a public transformer which can be accessed by a medium voltage power generation vehicle, a low voltage power generation vehicle, a ring network cabinet vehicle, an insulating pole and / or an insulating bucket arm vehicle in the reconstruction process.

[0037] This invention also provides a device for planning and upgrading a power distribution network without power outages, comprising a computer-readable storage medium and a processor. When the processor executes a computer program on the computer-readable storage medium, it implements the steps of the above-described method for planning and upgrading a power distribution network without power outages.

[0038] Figure 3 This is a structural schematic diagram of the power distribution network live-line work modification planning equipment provided in Embodiment 3 of the present invention, as shown below. Figure 3 As shown, the power distribution network live-line work modification planning equipment 8 of this embodiment includes: a processor 80, a readable storage medium 81, and a computer program 82 stored in the readable storage medium 81 and executable on the processor 80. When the processor 80 executes the computer program 82, it implements the steps in the various method embodiments described above, for example... Figure 1 The steps shown. Alternatively, when the processor 80 executes the computer program 82, it implements the functions of each module in the above-described device embodiments, for example... Figure 2 The functions of the module shown.

[0039] For example, the computer program 82 may be divided into one or more modules, which are stored in the readable storage medium 81 and executed by the processor 80 to complete the present invention. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which describe the execution process of the computer program 82 in the power distribution network live-line maintenance and renovation planning equipment 8.

[0040] The power distribution network live-line maintenance and renovation planning equipment 8 may include, but is not limited to, a processor 80 and a readable storage medium 81. Those skilled in the art will understand that... Figure 3 This is merely an example of the equipment 8 for the transformation and planning of power distribution network without power outages, and does not constitute a limitation on the equipment 8. It may include more or fewer components than shown in the figure, or combine certain components, or different components. For example, the equipment for the transformation and planning of power distribution network without power outages may also include a power management module, a computing module, input / output devices, network access devices, buses, etc.

[0041] The processor 80 can be a central processing unit (CPU), and can also be other general-purpose processors, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor.

[0042] The readable storage medium 81 can be an internal storage unit of the power distribution network non-stop operation reconstruction planning device 8, such as a hard disk or a memory of the power distribution network non-stop operation reconstruction planning device 8. The readable storage medium 81 can also be an external storage device of the power distribution network non-stop operation reconstruction planning device 8, such as a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. Further, the readable storage medium 81 can include both the internal storage unit and the external storage device of the power distribution network non-stop operation reconstruction planning device 8. The readable storage medium 81 is used to store the computer program and other programs and data required by the power distribution network non-stop operation reconstruction planning device. The readable storage medium 81 can also be used to temporarily store data that has been output or will be output.

[0043] It can be clearly understood by those skilled in the art that, for the convenience and brevity of description, only the division of the above functional units and modules is exemplified, and in actual application, the above functions can be completed by different functional units and modules according to needs, that is, the internal structure of the device is divided into different functional units or modules to complete all or part of the functions described above. Each functional unit and module in the embodiment can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit, and the integrated unit can be realized in the form of hardware or in the form of software functional unit. In addition, the specific names of each functional unit and module are only for convenient distinction, and do not limit the protection scope of the present application. The specific working process of the units and modules in the system can refer to the corresponding process in the foregoing method embodiments, which will not be described here.

[0044] In the above embodiments, the description of each embodiment is focused on, and the part not described or recorded in a certain embodiment can be referred to the relevant description of other embodiments.

[0045] Those skilled in the art can realize that the units and method steps of each example described in combination with the embodiments disclosed herein can be realized by electronic hardware or a combination of computer software and electronic hardware. Whether the functions are realized in hardware or software depends on the specific application and design constraints of the technical solution. The skilled person can use different methods to realize the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0046] In the embodiments provided by the present application, it should be understood that the disclosed apparatus / terminal device and method can be implemented in other ways. For example, the apparatus / terminal device embodiments described above are merely schematic, and the division of the modules or units is merely a logical function division, and there can be another division manner in actual implementation. For example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interface, device or unit, and can be electrical, mechanical or in other forms.

[0047] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, i.e. they can be located in one place, or can be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiments.

[0048] In addition, each functional unit in each embodiment of the present application can be integrated into a processing unit, or each unit can exist physically independently, or two or more units can be integrated into one unit. The integrated unit can be realized in the form of hardware or in the form of a software functional unit.

[0049] The present application is not limited to the description and embodiments described in the specification, and therefore those skilled in the art can easily realize other advantages and modifications, and therefore the present application is not limited to specific details, representative devices and examples of the drawings shown and described herein. The spirit and scope of the general concept defined by the claims and their equivalents.

Claims

1. A power distribution network live-line work modification planning method, characterized by, The method comprises the following steps: Step 1, querying a power distribution network operation table to obtain target power distribution network project information caused by equipment maintenance in a user power failure process; Step 2, judging whether the target vehicle corresponding preset access conditions are met according to the target power distribution network project information, if not, executing step 3, if yes, executing step 4; Step 3, outputting a preset medium and low voltage network frame optimization scheme to transform the target power distribution network project; Step 4, calculating an expected cost of transforming the target power distribution network project by using the preset medium and low voltage network frame optimization scheme according to a preset cost model, and outputting the preset medium and low voltage network frame optimization scheme or a preset access condition optimization scheme according to the calculation result.

2. The power distribution network modification planning method of claim 1, wherein The target power distribution network project information comprises a power failure time, a power failure range, a power failure line, and region topographic maps, tower positions, electric room positions and medium and low voltage fast access positions corresponding to the power failure line.

3. The power distribution network modification planning method of claim 1, wherein The target vehicle comprises a mobile box transformer vehicle, a bypass cabling vehicle, a bypass switch vehicle, a medium voltage power supply vehicle, a low voltage power supply vehicle, a ring network cabinet vehicle and / or an insulated boom truck, and whether the target vehicle corresponding preset access conditions are met is judged according to the target power distribution network project information, specifically: whether the target power distribution network project information meets a first preset condition is judged, if yes, executing step 4, if not, whether a second preset condition is met is judged, if met, executing step 4, otherwise executing step 3; the first preset condition is whether a terminal tower position of the power failure line meets a target vehicle corresponding access condition; the second preset condition is whether the power failure line has a target position meeting the access condition; the access condition comprises having a traffic access condition, having a medium voltage or low voltage access point, having a preset safety device and having a preset area of safety operation space.

4. The power distribution network work without power transformation planning method according to any one of claims 1-3, characterized in that, For a medium voltage network frame, the preset medium and low voltage network frame optimization scheme or the preset access condition optimization scheme is outputted according to the calculation result, specifically: when the calculation result is less than a first preset cost data, the preset medium and low voltage network frame optimization scheme is outputted, comprising establishing a plurality of medium voltage contact points at the power failure line and / or generating a plurality of line sections corresponding to the power failure line, and connecting through a switch device; when the calculation result is greater than or equal to the first preset cost data, the preset access condition optimization scheme is outputted.

5. The power distribution network modification planning method of claim 4, wherein, The preset access condition optimization scheme comprises: when the power failure line is a single radiation line, calculating a priority of the power failure line according to the target power distribution network project information, and generating a corresponding scheme according to different priorities; a first priority: setting a medium voltage fast access device at the end of the power failure line, and setting a standby cabinet in a preset area at the end of the power failure line or close to the end of the power failure line; a second priority: obtaining target position information and target electric room information of the power failure line, setting a medium voltage fast access point at the target position, and reserving a standby cabinet at the target electric room; a third priority: obtaining target access tower information of the power failure line of a medium voltage power supply vehicle, and marking the target access tower.

6. The power distribution network modification planning method of claim 4, wherein, The preset access condition optimization scheme further comprises: when any medium voltage device is out of operation, obtaining a power failure number of public transformer users in a branch line corresponding to the power failure line; determining whether the number of power outages is greater than a preset number, and if so, determining that the branch line is an unreasonable branch line; calculating a priority according to target distribution network project information of the branch line, and generating a corresponding scheme according to the priority; first priority: obtaining a determination result of whether the unreasonable branch line has a preset splitting condition, and if not, setting an automatic circuit breaker or a load switch at the head of the branch line to segment the branch line; second priority: obtaining target location information and target electrical room information of the branch line, setting a medium-voltage fast access point at the target location, and reserving a spare cabinet in the target electrical room; third priority: obtaining target access tower information of a medium-voltage power supply vehicle on the branch line, and marking the target access tower.

7. The power distribution network work without interruption reconstruction planning method according to claim 4, characterized in that, It also includes a marking step, specifically: generating a reconstruction optimization scheme of the target distribution network project and a corresponding marking reminder instruction, the marking reminder instruction is used to remind marking the towers, electrical rooms and / or public transformers that can be accessed by the medium-voltage power generation vehicle, low-voltage power generation vehicle, ring network cabinet vehicle, insulating pole and / or insulating bucket arm vehicle during the reconstruction process.

8. A device for planning a modification of a power distribution network for work without power interruption, based on the method for planning a modification of a power distribution network for work without power interruption according to any one of claims 1 to 7, characterized in that It includes an obtaining module, a determining module, a first planning module and a second planning module, The obtaining module is used to query a power distribution network work table to obtain target distribution network project information caused by user power outages during equipment maintenance; The determining module is used to determine whether the target vehicle meets the preset approach conditions according to the target distribution network project information, if not, the first planning module is driven, and if so, the second planning module is driven; The first planning module is used to output a preset medium-low voltage network frame optimization scheme to reconstruct the target distribution network project; The second planning module is used to calculate the expected cost of reconstructing the target distribution network project using the preset medium-low voltage network frame optimization scheme according to a preset cost model, and output the preset medium-low voltage network frame optimization scheme or the preset access condition optimization scheme according to the calculation result.

9. A computer readable storage medium storing a computer program, characterized in that, The computer program is executed by the processor to implement the reconstruction planning method of the power distribution network non-outage operation of any one of claims 1-7.

10. A power distribution network live-line work modification planning device comprising a computer readable storage medium and a processor, wherein, The processor executes the computer program on the computer readable storage medium to implement the steps of the reconstruction planning method of the power distribution network non-outage operation of any one of claims 1-7.

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