A low-voltage live-line working method, controller and readable storage medium

Abstract

The application discloses a low-voltage uninterrupted operation method, a controller and a readable storage medium. The low-voltage uninterrupted operation method comprises the following steps: when there is a low-voltage uninterrupted operation request, determining a power-off area corresponding to the low-voltage uninterrupted operation request; judging whether the power-off area meets the load requirement of a low-voltage contact area; when the load requirement is met, calculating the contact distance of the power-off area and determining the cable to be laid, and generating a first low-voltage uninterrupted operation scheme according to the contact distance and the cable to be laid; performing score processing on the first low-voltage uninterrupted operation scheme to obtain a recommended score; when the recommended score is greater than a preset score threshold, uploading the first low-voltage uninterrupted operation scheme to a management platform and storing the first low-voltage uninterrupted operation scheme in a historical database; and in response to a first execution signal of the low-voltage uninterrupted operation, selecting an optimal first low-voltage uninterrupted operation scheme from the management platform to execute. The application is beneficial to reducing the labor cost of low-voltage uninterrupted operation, and improving the reliability and efficiency of low-voltage uninterrupted operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power operation, in particular to a low-voltage non-power-off operation method, a controller and a readable storage medium. BACKGROUND

[0002] With the acceleration of new urbanization, urban renewal, improvement of power quality for residents, and rural modernization, the requirement for power supply reliability in cities is increasing, and the economic loss and influence caused by power outage are becoming more and more serious. It is necessary to consider using low-voltage non-power-off operation to meet the requirement for power supply reliability.

[0003] In related technologies, the low-voltage non-power-off operation scheme is formulated by construction personnel according to personal work experience combined with past data, the decision-making evidence and decision-making scheme are not fixed, and the reliability of the low-voltage non-power-off operation method is low because it is very dependent on the professional quality and historical experience of the construction personnel. Or, the construction personnel go to the actual site to investigate, and then formulate a low-voltage non-power-off operation method according to the actual voltage situation, which consumes labor cost and is low in efficiency. The current low-voltage non-power-off operation also uses a low-voltage power supply vehicle to supply power. The conventional low-voltage non-power-off operation scheme of the transformer area lacks unified data collection, and when there is a load change, the low-voltage non-power-off operation method cannot be adjusted in time according to the actual load, so that the flexibility and reliability of the low-voltage non-power-off operation method are low. SUMMARY

[0004] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the embodiments of the present application provide a low-voltage non-power-off operation method, a controller and a readable storage medium, which are beneficial to reduce the labor cost of low-voltage non-power-off operation, improve the efficiency of low-voltage non-power-off operation and ensure the reliability of the low-voltage non-power-off operation method.

[0005] In a first aspect, the embodiments of the present application provide a low-voltage non-power-off operation method, comprising:

[0006] When a fault power-off alarm signal is received, it is detected whether there is a low-voltage non-power-off operation request;

[0007] When there is a low-voltage non-power-off operation request, the power-off transformer area corresponding to the low-voltage non-power-off operation request is determined;

[0008] It is judged whether the power-off transformer area meets the load requirement of the low-voltage contact transformer area;

[0009] When the power-off transformer area meets the load requirement of the low-voltage contact transformer area, the contact distance of the power-off transformer area is calculated, the cable is determined, and a first low-voltage non-power-off operation scheme is generated according to the contact distance and the cable;

[0010] The evaluation algorithm using feature scaling is used to score the first low-voltage uninterrupted operation scheme, and a recommended score is obtained.

[0011] When the recommended score is greater than a preset score threshold, the first low-voltage uninterrupted operation scheme is uploaded to a management platform and stored in a historical database.

[0012] In response to a first execution signal of a low-voltage uninterrupted operation, an optimal first low-voltage uninterrupted operation scheme is selected from the management platform for execution.

[0013] According to some embodiments of the present application, when the power outage area does not meet the load requirement of the low-voltage contact area, a low-voltage power generation vehicle power supply instruction is issued;

[0014] In response to the low-voltage power generation vehicle power supply instruction, a parking point of the low-voltage power generation vehicle is recommended.

[0015] The distance between the parking point of the low-voltage power generation vehicle and the power outage area is calculated.

[0016] When the distance between the parking point of the low-voltage power generation vehicle and the power outage area is less than a first distance threshold, a low-voltage power generation vehicle that meets the load requirement of the power outage area is recommended according to the load requirement of the power outage area.

[0017] According to some embodiments of the present application, when the distance between the parking point of the low-voltage power generation vehicle and the power outage area is greater than the first distance threshold, a cable laying overlength prompt information is sent to prompt an alternative parking point of the low-voltage power generation vehicle.

[0018] According to some embodiments of the present application, after the low-voltage power generation vehicle that meets the load requirement of the power outage area is recommended according to the load requirement of the power outage area, the method further comprises:

[0019] According to the distance from the parking point of the low-voltage power generation vehicle to the power outage area and the configuration capacity corresponding to the low-voltage power generation vehicle that meets the load requirement of the power outage area, a cable laying path is generated.

[0020] According to the corresponding relationship between the distance from the parking point of the low-voltage power generation vehicle to the power outage area and the cable laying path, a second low-voltage uninterrupted operation scheme is generated.

[0021] The second low-voltage uninterrupted operation scheme is uploaded to the management platform and stored in the historical database.

[0022] In response to a second execution signal of a low-voltage uninterrupted operation, an optimal second low-voltage uninterrupted operation scheme is selected from the management platform for execution.

[0023] According to some embodiments of the present application, the determining whether the power outage substation area meets the load requirement of the low-voltage interlinked substation area includes:

[0024] determining the low-voltage interlinked substation area within a preset diameter range of the power outage substation area;

[0025] detecting whether there is a preselected power supply side substation area within the low-voltage interlinked substation area range that meets the condition that the sum of the maximum load of the power supply side substation area and the maximum load of the load side substation area is less than or equal to the capacity of the power supply side transformer;

[0026] when the preselected power supply side substation area exists, determining that the power outage substation area meets the load requirement of the low-voltage interlinked substation area.

[0027] According to some embodiments of the present application, the calculating the interlinking distance of the power outage substation area and determining the cable laying include:

[0028] determining the interlinking distance between the preselected power supply side substation area and the load side substation area that meets the load requirement in the power outage substation area based on the two-point algorithm of the road network;

[0029] determining whether there is a preselected power supply side substation area that meets the interlinking distance less than a second distance threshold;

[0030] when the preselected power supply side substation area that meets the interlinking distance less than the second distance threshold exists, obtaining the maximum load of the load side substation area and the rated current of the preselected power supply side substation area, and determining the transfer current corresponding to the maximum load according to the maximum load of the load side substation area and the rated current of the preselected power supply side substation area;

[0031] determining the cross-sectional area and the number of loops of the cable laying according to the transfer current corresponding to the maximum load.

[0032] According to some embodiments of the present application, the scoring processing of the first low-voltage non-power outage operation scheme by using the evaluation algorithm of feature scaling to obtain the recommended score includes:

[0033] determining n power supply side substation areas available for low-voltage interlinking from the first low-voltage non-power outage operation scheme, and respectively determining the interlinking distance of the n power supply side substation areas available for low-voltage interlinking;

[0034] quantitatively processing the interlinking distance of the n power supply side substation areas available for low-voltage interlinking according to z-score standardization respectively, to obtain the quantitative values of the distance of the n power supply side substation areas available for low-voltage interlinking;

[0035] mapping the quantitative values of the distance of the n power supply side substation areas available for low-voltage interlinking on the sigmoid function and performing equal ratio scaling to obtain n recommended scores.

[0036] According to some embodiments of the present application, the first low-voltage uninterrupted operation scheme includes a power supply side substation name, a power supply side substation capacity, a power supply side substation transfer load, a power supply side substation last year maximum load overload rate, a load side substation last year maximum load overload rate, a length of a cable laying path, a number of loops of the cable laying, and a cross-sectional area of the cable laying; and the second low-voltage uninterrupted operation scheme includes a load side substation last year maximum load overload rate, a load side substation predicted load, and a power generation vehicle configuration capacity, a length of a cable laying path, a number of loops of the cable laying, and a cross-sectional area of the cable laying.

[0037] In a second aspect, the embodiments of the present application provide a controller, a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor executes the computer program to perform the method in the technical solution of the first aspect.

[0038] In a third aspect, the embodiments of the present application provide a computer readable storage medium, which stores computer executable instructions for causing a computer to perform the method in the technical solution of the first aspect.

[0039] The low-voltage uninterrupted operation method, the controller and the readable storage medium provided by the embodiment of the present application at least have one of the following advantages or beneficial effects: when receiving a fault power-off alarm signal, it is detected whether there is a low-voltage uninterrupted operation request to detect whether there is an ongoing operation that needs continuous power supply; when there is a low-voltage uninterrupted operation request, the corresponding power-off area is determined according to the low-voltage uninterrupted operation request, and then it is judged whether the power-off area meets the load requirement of the low-voltage contact area, so as to determine that the power support provided by the low-voltage contact area meets the load requirement of the power-off area when the uninterrupted operation is performed, and the reliability of the low-voltage uninterrupted operation method is ensured; when it is determined that the power-off area meets the load requirement of the low-voltage contact area, the contact distance of the power-off area is calculated and the cable required for the low-voltage uninterrupted operation is determined, a first low-voltage uninterrupted operation scheme is generated according to the contact distance and the laid cable, without the need for construction personnel to manually formulate according to personal work experience combined with past data, thereby reducing the labor cost of low-voltage uninterrupted operation, improving the efficiency of low-voltage uninterrupted operation, using a feature scaling evaluation algorithm to score the first low-voltage uninterrupted operation scheme to obtain a recommendation score, and judging the reliability of the first low-voltage uninterrupted operation scheme according to the recommendation score; when the recommendation score is greater than a preset score threshold, the first low-voltage uninterrupted operation scheme is uploaded to a management platform and stored in a historical database, so that the first low-voltage uninterrupted operation scheme can be uniformly collected and managed, reliable historical data is provided for construction personnel, the visualization degree of historical data is improved, at the same time, the low-voltage uninterrupted operation is avoided to be completely implemented depending on the personal experience of construction personnel, the low-voltage uninterrupted operation method can be driven by data support, and the reliability of the low-voltage uninterrupted operation method is further improved. In response to a first execution signal of the low-voltage uninterrupted operation, the optimal first low-voltage uninterrupted operation scheme is selected from the management platform for execution, ensuring the smooth progress of the low-voltage uninterrupted operation, minimizing the impact of power-off on users, meeting the power continuity requirement, and improving the user experience.

[0040] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and achieved by the structure particularly pointed out in the specification, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 is a flowchart of a low-voltage uninterrupted operation method provided by the embodiment of the present application;

[0042] Figure 2 is a flowchart of a low-voltage uninterrupted operation method provided by the embodiment of the present application when the power-off area does not meet the load requirement of the low-voltage contact area;

[0043] Figure 3is a flow chart of a low-voltage uninterrupted operation method provided by another embodiment of the application;

[0044] Figure 4 is a flow chart of a method for judging whether a power-off area meets the load requirements of a low-voltage contact area provided by an embodiment of the application;

[0045] Figure 5 is a flow chart of a method for calculating the contact distance of a power-off area and determining the laying of cables provided by an embodiment of the application;

[0046] Figure 6 is a flow chart of a method for scoring a first low-voltage uninterrupted operation scheme by using a feature scaling evaluation algorithm to obtain a recommended score provided by an embodiment of the application;

[0047] Figure 7 is a structural schematic diagram of a controller provided by an embodiment of the application. DETAILED DESCRIPTION

[0048] This part will describe the specific embodiments of the application in detail, and the preferred embodiments of the application are shown in the drawings. The drawings serve to supplement the description in the text part and enable people to intuitively and visually understand each technical feature and the overall technical scheme of the application, but it cannot be understood as a limitation on the protection scope of the application.

[0049] In the description of the application, one or more is meant to be one or more, more than two is meant to be two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, within, etc. are understood as including the number, "any one" means one or more, "at least one of the following" and similar expressions mean any combination of these items, including any combination of single or multiple items. If the first and the second are described, they are only used to distinguish technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0050] It should be noted that the terms such as setting, installing and connecting in the embodiments of the application should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above terms in the embodiments of the application in combination with the specific content of the technical scheme. For example, the term "connection" can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium.

[0051] It should be noted that the technical features involved in each embodiment of the application described below can be combined with each other as long as there is no conflict between them.

[0052] With the new urbanization, urban renewal, the quality of electricity for residents is improved, the pace of rural modernization is accelerated, the requirement of power supply reliability is continuously improved, the economic loss and influence caused by power failure is more and more, and the low-voltage uninterrupted operation needs to be considered to meet the requirement of power supply reliability.

[0053] In the related art, the low-voltage uninterrupted operation scheme is formulated depending on the construction personnel to manually formulate according to the personal work experience and the previous data, the decision-making evidence and the decision-making scheme are not solidified, and the low-voltage uninterrupted operation method is driven by the data support, so that the reliability of the low-voltage uninterrupted operation method is low; or the low-voltage uninterrupted operation method is formulated according to the actual voltage condition by the construction personnel to the actual site survey, and the artificial cost is consumed and the efficiency is low. The current low-voltage uninterrupted operation also adopts the low-voltage power supply vehicle of the transformer area, and the conventional low-voltage uninterrupted operation scheme of the transformer area lacks the unified collection of data, and when the load changes, the low-voltage uninterrupted operation method cannot be adjusted in time according to the actual load, so that the flexibility and reliability of the low-voltage uninterrupted operation method are low.

[0054] Based on this, the embodiment of the application provides a low-voltage uninterrupted operation method, a controller and a readable storage medium, which is beneficial to reduce the artificial cost of low-voltage uninterrupted operation, improve the efficiency of low-voltage uninterrupted operation and ensure the reliability of low-voltage uninterrupted operation method.

[0055] The low-voltage uninterrupted operation method, the controller and the readable storage medium provided by the embodiment of the application will be further described below with reference to the accompanying drawings.

[0056] Referring to Figure 1 , as shown in the figure, Figure 1 is a flowchart of a low-voltage uninterrupted operation method provided by the embodiment of the application, and the low-voltage uninterrupted operation method includes but is not limited to steps S100 to S700, specifically,

[0057] Step S100: When a fault power failure alarm signal is received, it is detected whether there is a low-voltage uninterrupted operation request;

[0058] Step S200: When there is a low-voltage uninterrupted operation request, the power failure area corresponding to the low-voltage uninterrupted operation request is determined;

[0059] Step S300: It is judged whether the power failure area meets the load requirement of the low-voltage contact area;

[0060] Step S400: When the power failure area meets the load requirement of the low-voltage contact area, the contact distance of the power failure area is calculated and the cable is determined, and the first low-voltage uninterrupted operation scheme is generated according to the contact distance and the cable laying;

[0061] Step S500: score the first low-voltage uninterrupted operation scheme using the evaluation algorithm of feature scaling to obtain a recommended score;

[0062] Step S600: when the recommended score is greater than the preset score threshold, upload the first low-voltage uninterrupted operation scheme to the management platform and store it in the historical database;

[0063] Step S700: in response to a first execution signal of the low-voltage uninterrupted operation, select the optimal first low-voltage uninterrupted operation scheme from the management platform for execution.

[0064] When temporary power failure occurs, low-voltage uninterrupted operation needs to be used to meet the continuity requirement of power supply. In the embodiment of the present application, the low-voltage uninterrupted operation method includes: when receiving a fault power failure alarm signal, first detect whether there is a low-voltage uninterrupted operation request to detect whether there is an ongoing operation that needs continuous power supply; when there is a low-voltage uninterrupted operation request, determine the corresponding power failure area according to the low-voltage uninterrupted operation request, then judge whether the power failure area meets the load requirement of the low-voltage contact area to determine that the power support provided by the low-voltage contact area meets the load requirement of the power failure area when the uninterrupted operation is performed, ensuring the reliability of the low-voltage uninterrupted operation method; when it is determined that the power failure area meets the load requirement of the low-voltage contact area, the contact distance of the power failure area is calculated and the cable required for the low-voltage uninterrupted operation is determined, a first low-voltage uninterrupted operation scheme is generated according to the contact distance and the laid cable, without the need for construction personnel to manually formulate according to personal work experience combined with past data, reducing the labor cost of low-voltage uninterrupted operation and improving the efficiency of low-voltage uninterrupted operation. The first low-voltage uninterrupted operation scheme is scored using the evaluation algorithm of feature scaling to obtain a recommended score, and the reliability of the first low-voltage uninterrupted operation scheme is judged according to the recommended score; when the recommended score is greater than the preset score threshold, the first low-voltage uninterrupted operation scheme is uploaded to the management platform and stored in the historical database, which can collect and manage the first low-voltage uninterrupted operation scheme uniformly, provide reliable historical data for construction personnel, improve the visualization degree of historical data, and at the same time avoid relying entirely on the personal experience of construction personnel to implement low-voltage uninterrupted operation, which can drive the low-voltage uninterrupted operation method with data support, further improving the reliability of the low-voltage uninterrupted operation method. In response to a first execution signal of the low-voltage uninterrupted operation, the optimal first low-voltage uninterrupted operation scheme is selected from the management platform for execution, ensuring the smooth progress of the low-voltage uninterrupted operation, minimizing the impact of power failure on users, meeting the continuity requirement of power supply, and improving user experience.

[0065] In some embodiments of the present application, the first low-voltage uninterrupted operation scheme is generated according to the liaison distance and the laid cable. It can be understood that the first low-voltage uninterrupted operation scheme includes a plurality of low-voltage uninterrupted operation schemes meeting the load requirements. The first low-voltage uninterrupted operation scheme is scored by using the characteristic scaling evaluation algorithm to obtain a recommended score. The recommended score is used to determine the feasibility and recommendation degree of the plurality of low-voltage uninterrupted operation schemes meeting the load requirements. When the recommended score is greater than a preset score threshold, the first low-voltage uninterrupted operation scheme is uploaded to the management platform and stored in the historical database. In response to a first execution signal of the low-voltage uninterrupted operation, the management platform displays three first low-voltage uninterrupted operation schemes with the top three recommended scores, so that the construction personnel can judge and select the optimal first low-voltage uninterrupted operation scheme, thereby further improving the reliability of the low-voltage uninterrupted operation method. In response to an execution signal of the optimal low-voltage uninterrupted operation scheme, the optimal first low-voltage uninterrupted operation scheme is selected from the management platform for execution.

[0066] In some embodiments of the present application, the low-voltage uninterrupted operation method further includes: when a fault power failure alarm signal is received, detecting whether there is a low-voltage uninterrupted operation request; when there is no low-voltage uninterrupted operation request, adopting a medium-voltage transfer supply mode to solve the power continuity problem, so as to reduce the impact of power failure on users.

[0067] Referring to Figure 2 , the Figure 2 is a flowchart of a low-voltage uninterrupted operation method provided by the embodiments of the present application when a power failure area does not meet the load requirements of a low-voltage liaison area. The low-voltage uninterrupted operation method when a power failure area does not meet the load requirements of a low-voltage liaison area includes but is not limited to steps S800 to S1100. Specifically,

[0068] Step S800: When a power failure area does not meet the load requirements of a low-voltage liaison area, issuing a low-voltage power generation vehicle power supply instruction.

[0069] Step S900: In response to the low-voltage power generation vehicle power supply instruction, recommending a parking point of the low-voltage power generation vehicle.

[0070] Step S1000: Calculating the distance between the parking point of the low-voltage power generation vehicle and the power failure area.

[0071] Step S1100: When the distance between the parking point of the low-voltage power generation vehicle and the power failure area is less than a first distance threshold, recommending a low-voltage power generation vehicle meeting the load requirements of the power failure area according to the load requirements of the power failure area.

[0072] When there is a low-voltage uninterrupted operation request, the low-voltage uninterrupted operation request corresponding power-off area is determined, then it is judged whether the power-off area meets the load requirement of the low-voltage contact area. When the power-off area does not meet the load requirement of the low-voltage contact area, it is reminded that the low-voltage contact transfer cannot be carried out between areas, and it is suggested to take other measures to ensure the continuity and reliability of power supply, for example, using a power generation vehicle to supply power.

[0073] In some embodiments of the present application, when the power-off area does not meet the load requirement of the low-voltage contact area, the low-voltage uninterrupted operation method comprises: issuing a low-voltage power generation vehicle power supply instruction, and recommending a parking point of the low-voltage power generation vehicle in response to the low-voltage power generation vehicle power supply instruction. The distance between the recommended parking point of the low-voltage power generation vehicle and the power-off area is calculated, and it is judged whether the distance between the parking point of the low-voltage power generation vehicle and the power-off area is less than a first distance threshold value to ensure that the low-voltage power generation vehicle can effectively provide power for the power-off area; when the distance between the parking point of the low-voltage power generation vehicle and the power-off area is less than the first distance threshold value, it meets the requirement of the low-voltage power generation vehicle power supply, at this time, the best parking point of the low-voltage power generation vehicle that meets the load requirement of the power-off area is recommended according to the load requirement of the power-off area. The best parking point of the low-voltage power generation vehicle facilitates the access of the power generation vehicle to the power grid, maximally reduces the impact on the surrounding area, continuously provides power for the power-off area for uninterrupted operation, ensures the smooth progress of the low-voltage uninterrupted operation, minimizes the impact of power-off on users, meets the requirement of uninterrupted power supply, and improves the user experience.

[0074] It should be noted that in some embodiments of the present application, the first distance threshold value is 250 meters, and when the distance between the parking point of the low-voltage power generation vehicle and the power-off area is less than the first distance threshold value, it is determined that the low-voltage power generation vehicle meets the load requirement of the power-off area and can meet the power demand of the power-off area. Those skilled in the art can set the size of the first distance threshold value according to the geographical location of the power-off area and the load requirement of the power-off area, and the size of the first distance threshold value is not limited in the embodiments of the present application.

[0075] The low-voltage uninterrupted operation method provided by the present application can provide corresponding low-voltage uninterrupted operation schemes according to the two cases that the power-off area meets the load requirement of the low-voltage contact area and the power-off area does not meet the load requirement of the low-voltage contact area, and improve the diversity of the low-voltage uninterrupted operation method. It can be understood that when the power-off area meets the load requirement of the low-voltage contact area, the low-voltage contact area provides power for the power-off area; when the power-off area does not meet the load requirement of the low-voltage contact area, the low-voltage power generation vehicle provides power for the power-off area. Both power supply modes can continuously provide power for the power-off area for uninterrupted operation, ensure the smooth progress of the low-voltage uninterrupted operation, meet the requirement of uninterrupted power supply, and improve the user experience.

[0076] In another embodiment of the present application, when the power-off area does not meet the load requirement of the low-voltage connected area, the low-voltage uninterrupted operation method further includes step S1200, specifically,

[0077] Step S1200: When the distance between the parking point of the low-voltage power generation vehicle and the power-off area is greater than the first distance threshold, send a long cable laying prompt information to prompt an alternative parking point of the low-voltage power generation vehicle.

[0078] When there is a low-voltage uninterrupted operation request, the power-off area corresponding to the low-voltage uninterrupted operation request is determined, and when the power-off area meets the load requirement of the low-voltage connected area, the distance between the recommended parking point of the low-voltage power generation vehicle and the power-off area is calculated, and it is judged whether the distance between the parking point of the low-voltage power generation vehicle and the power-off area is less than the first distance threshold, to ensure that the low-voltage power generation vehicle can effectively provide power for the power-off area. When the distance between the parking point of the low-voltage power generation vehicle and the power-off area is greater than the first distance threshold, it indicates that the power-off area does not meet the load requirement of the low-voltage connected area, and when the power-off area does not meet the load requirement of the low-voltage connected area, there will be a problem of long cable laying length. Long cable may reduce power supply efficiency, and may increase the risk of cable damage and insulation aging due to long cable length. At this time, the low-voltage uninterrupted operation method includes sending a long cable laying prompt information to prompt the construction personnel to select an alternative parking point of the low-voltage power generation vehicle, so as to avoid potential problems such as voltage drop, reduced power supply efficiency and increased safety risk caused by long cable laying, and improve the safety and reliability of the low-voltage uninterrupted operation method.

[0079] Referring to Figure 3 , as shown in the figure, Figure 3 is a flowchart of a low-voltage uninterrupted operation method provided by another embodiment of the present application. The low-voltage uninterrupted operation method includes but is not limited to steps S1110 to S1140, specifically,

[0080] Step S1110: generating a cable laying path according to the distance from the parking point of the low-voltage power generation vehicle to the power-off area and the configuration capacity corresponding to the low-voltage power generation vehicle meeting the load requirement of the power-off area;

[0081] Step S1120: generating a second low-voltage uninterrupted operation scheme according to the corresponding relationship between the distance from the parking point of the low-voltage power generation vehicle to the power-off area and the cable laying path;

[0082] Step S1130: uploading the second low-voltage uninterrupted operation scheme to the management platform and storing it in the historical database;

[0083] Step S1140: in response to the second execution signal of the low-voltage uninterrupted operation, selecting the optimal second low-voltage uninterrupted operation scheme from the management platform for execution.

[0084] In some embodiments of the present application, after recommending a low-voltage power car that meets the load requirements of the power-off area according to the load requirements of the power-off area, the low-voltage uninterrupted power operation method further comprises: calculating the distance from the parking point of the low-voltage power car to the power-off area, determining the configuration capacity corresponding to the low-voltage power car that meets the load requirements of the power-off area, and then generating a cable laying path according to the distance from the parking point of the low-voltage power car to the power-off area and the configuration capacity corresponding to the low-voltage power car that meets the load requirements of the power-off area. Then, the second low-voltage uninterrupted power operation scheme of "the distance from the parking point of the low-voltage power car to the power-off area, the cable laying path" is generated. It can be understood that in the second low-voltage uninterrupted power operation scheme, the distance from the parking point of the low-voltage power car to the power-off area and the cable laying path have a corresponding relationship. Different distances from the parking point of the low-voltage power car to the power-off area correspond to different cable laying paths. Upload the second low-voltage uninterrupted power operation scheme to the management platform and store it in the historical database. The second low-voltage uninterrupted power operation scheme can be uniformly collected and managed, providing reliable historical data for construction personnel and improving the visualization of historical data. At the same time, it avoids relying entirely on the personal experience of construction personnel to implement low-voltage uninterrupted power operation, and can drive the low-voltage uninterrupted power operation method with data support, further improving the reliability of the low-voltage uninterrupted power operation method. When the power-off area does not meet the load requirements of the low-voltage contact area, in response to the second execution signal of the low-voltage uninterrupted power operation, the optimal second low-voltage uninterrupted power operation scheme is selected from the management platform for execution, ensuring the smooth progress of the low-voltage uninterrupted power operation, improving the efficiency of the uninterrupted power operation, minimizing the impact of power failure on users, meeting the power continuity requirements, and improving the user experience.

[0085] In some embodiments of the present application, the highest load of the load side area is obtained, and the configuration capacity of the low-voltage power car is determined according to the highest load of the load side area. Referring to Table 1, Table 1 is a correspondence table of the highest load of the load side area and the configuration capacity of the power car;

[0086] Maximum load S of load side substation Generator truck configuration capacity recommendation S≤140kW Recommend 200kVA generator truck 140kW<S≤280kW Recommend 400kVA generator truck 280kW<S≤420kW Recommend 500kVA generator truck 420kW<S≤680kW Recommend 800kVA generator truck 680kW<S≤1000kW Recommend 1000kVA generator truck

[0087] Table 1 Correspondence table of highest load of load side area and configuration capacity of power car

[0088] The configuration capacity of the power car is determined according to the highest load of the load side area, and a low-voltage power car with a configuration capacity corresponding to the highest load of the load side area is recommended to ensure that the low-voltage power car meets the load requirements of the power-off area, so that the low-voltage uninterrupted power operation can proceed smoothly, the reliability of the low-voltage uninterrupted power operation method is improved, the power continuity requirements are met, the impact of power failure on users is minimized, and the user experience is improved.

[0089] Referring to Figure 4 , as shown, Figure 4is a flowchart of a method for judging whether a power-off area meets the load requirement of a low-voltage contact area provided in an embodiment of the present application. The method for judging whether a power-off area meets the load requirement of a low-voltage contact area includes but is not limited to steps S310 to S330, specifically,

[0090] Step S310: Determine the low-voltage contact areas within the preset diameter range of the power-off area.

[0091] Step S320: Detect whether there is a preselected power supply side area in the low-voltage contact area range that meets the condition that the sum of the maximum load of the power supply side area and the maximum load of the load side area is less than or equal to the power supply side transformer capacity.

[0092] Step S330: When there is a preselected power supply side area, determine that the power-off area meets the load requirement of the low-voltage contact area.

[0093] In some embodiments of the present application, the low-voltage uninterrupted operation method includes: when receiving a fault power-off alarm signal, detecting whether there is a low-voltage uninterrupted operation request; when there is a low-voltage uninterrupted operation request, determining the power-off area corresponding to the low-voltage uninterrupted operation request; then, judging whether the power-off area meets the load requirement of the low-voltage contact area, the method for judging whether the power-off area meets the load requirement of the low-voltage contact area includes: determining the low-voltage contact areas within the preset diameter range of the power-off area to determine the low-voltage contact areas around the power-off area that can provide power support for the power-off area, then detecting whether there is a power supply side area in the low-voltage contact area that meets the condition that the sum of the maximum load of the power supply side area and the maximum load of the load side area is less than or equal to the power supply side transformer capacity, if there is, marking the power supply side area that meets the condition that the sum of the maximum load of the power supply side area and the maximum load of the load side area is less than or equal to the power supply side transformer capacity as a preselected power supply side area, which indicates that there is a preselected power supply side area in the low-voltage contact area that meets the load requirement of the power-off area and can provide stable power support for the power-off area to enable the power-off area to perform uninterrupted operation, thereby improving the reliability of the low-voltage uninterrupted operation method.

[0094] It should be noted that in some embodiments of the present application, the preset diameter is 300 meters. It can be understood that other areas within a diameter of 300 meters of the power-off area are determined to be low-voltage contact areas. The value of the preset diameter is set according to the geographical location of the power-off area and the load requirement of the power-off area, and the size of the preset diameter is not limited in the embodiments of the present application.

[0095] Referring to FIG. 4, Figure 5 Figure 5 ​is a flowchart of a method for calculating the contact distance of a power outage substation area and determining the laying of a cable provided by the embodiments of the present application. The method for calculating the contact distance of a power outage substation area and determining the laying of a cable includes but is not limited to steps S410 to S440, specifically,

[0096] Step S410: determining the contact distance between the load side substation area and the preselected power source side substation area in the power outage substation area based on the two-point algorithm of the road network;

[0097] Step S420: determining whether there is a preselected power source side substation area with a contact distance less than the second distance threshold value;

[0098] Step S430: when there is a preselected power source side substation area with a contact distance less than the second distance threshold value, obtaining the highest load of the load side substation area and the rated current of the preselected power source side substation area, and determining the transfer power corresponding to the highest load according to the highest load of the load side substation area and the rated current of the preselected power source side substation area;

[0099] Step S440: determining the cross-sectional area and the number of loops of the cable to be laid according to the transfer power corresponding to the highest load.

[0100] In some embodiments of the present application, when it is determined that the initial power outage substation area meets the load requirements of the low-voltage contact substation area, the contact distance of the power outage substation area is calculated and the laying of the cable is determined, and a first low-voltage non-power outage operation scheme is generated according to the contact distance and the laying of the cable. The method for calculating the contact distance of the power outage substation area and determining the laying of the cable includes: determining the contact distance between the load side substation area and the preselected power source side substation area in the power outage substation area based on the two-point algorithm of the road network. Determining the contact distance is a key step to achieve effective power supply, which can determine the shortest path or the optimal path between the load side substation area and the preselected power source side substation area in the power outage substation area that meets the load requirements. Then, it is determined whether the contact distance between the load side substation area and the preselected power source side substation area in the power outage substation area is less than the second distance threshold value. When there is a preselected power source side substation area with a contact distance less than the second distance threshold value, the highest load of the load side substation area and the rated current of the preselected power source side substation area are obtained. These data are crucial for determining the transfer power. The transfer power corresponding to the highest load is determined according to the highest load of the load side substation area and the rated current of the preselected power source side substation area. The transfer power corresponding to the highest load will affect the selection and laying scheme of the cable. After the transfer power corresponding to the highest load is determined, the cross-sectional area and the number of loops of the cable to be laid are determined according to the transfer power corresponding to the highest load.

[0101] It should be noted that in some embodiments of the present application, the second distance threshold value is 200 meters. The value of the second distance threshold value is set according to the geographical location of the power outage substation area and the load requirements of the power outage substation area. The embodiments of the present application do not limit the size of the second distance threshold value.

[0102] In some embodiments of the present application, different cross-sectional areas of the laid cables correspond to different cable carrying capacities, referring to Table 2, which is a table of correspondence between the cross-sectional areas of the laid cables and the cable carrying capacities;

[0103] Cable cross-sectional area Current-carrying capacity (25°C) Cable cross-sectional area Current-carrying capacity (25°C) Cable cross-sectional area Current-carrying capacity (25°C) 70 mm 2 ]] 240A 120 mm 2 ]] 350A 150 mm 2 ]] 400A 185 mm 2 ]] 450A 240mm 2 ]] 550A 300mm 2 ]] 630A

[0104] Table 2 Table of correspondence between the cross-sectional areas of the laid cables and the cable carrying capacities

[0105] In a preferred embodiment, 70mm 2 , 185mm 2 , 240mm 2 Three cross sections are used to calculate the cross-sectional area and the number of loops of the laid cable. The highest load of the load side area and the rated current of the preselected power side area are obtained, and the transfer current corresponding to the highest load is determined according to the highest load of the load side area and the rated current of the preselected power side area.

[0106] The calculation formula of the transfer current corresponding to the highest load is:

[0107] The transfer current corresponding to the highest load = the highest load of the load side area * the rated current of the preselected power side area

[0108] After determining the transfer current corresponding to the highest load, the cross-sectional area and the number of loops of the laid cable are determined according to the transfer current corresponding to the highest load.

[0109] Referring to Table 3, which is a table of correspondence between the transfer current corresponding to the highest load and the cross-sectional area and the number of loops of the laid cable;

[0110] Transfer current Is corresponding to maximum load Cable cross-sectional area and loop number Is≤240A Recommended installation of 1 return 70 mm 2 , 185 mm 2 , 240 mm 2 cable 240A<I≤450A Recommended installation of 1 cable 185 mm 2 , 240 mm 2 in diameter 450A<I≤550A Recommended installation of 1 loop of 240 mm 2 cable 550A<I≤900A Recommended installation of 2 back 185 mm 2 cables <!-- 9 -->]]> 900A<I≤1100A Recommended installation of 2 x 240 mm 2 cables.

[0111] Table 3 Table of correspondence between the transfer current corresponding to the highest load and the cross-sectional area and the number of loops of the laid cable

[0112] By obtaining the highest load of the load side area and the rated current of the preselected power side area, and determining the transfer current corresponding to the highest load according to these data, the transfer current corresponding to the highest load will affect the selection of the cable and the laying scheme. After determining the transfer current corresponding to the highest load, the cross-sectional area and the number of loops of the laid cable are determined according to the transfer current corresponding to the highest load. After determining the laid cable, the second low-voltage uninterrupted operation scheme is generated according to the distance from the parking point of the low-voltage power generation vehicle to the power failure area and the correspondence of the laid cable; the second low-voltage uninterrupted operation scheme is uploaded to the management platform and stored in the historical database, and the optimal second low-voltage uninterrupted operation scheme is selected from the management platform in response to the second execution signal of the low-voltage uninterrupted operation.

[0113] Referring to Figure 6 , as shown in Figure 6is a flowchart of a method for scoring a first low-voltage uninterrupted operation scheme by using a feature scaling evaluation algorithm to obtain a recommended score, the method for scoring the first low-voltage uninterrupted operation scheme by using the feature scaling evaluation algorithm includes but is not limited to steps S510 to S530, specifically,

[0114] Step S510: Determine n power supply side areas available for low-voltage interconnection from the first low-voltage uninterrupted operation scheme, and determine the interconnection distances of the n power supply side areas available for low-voltage interconnection, respectively;

[0115] Step S520: Quantitatively process the interconnection distances of the n power supply side areas available for low-voltage interconnection according to z-score standardization, respectively, to obtain quantized values of the distances of the n power supply side areas available for low-voltage interconnection;

[0116] Step S530: Map the quantized values of the distances of the n power supply side areas available for low-voltage interconnection on a sigmoid function and perform equi-ratio scaling to obtain n recommended scores.

[0117] In some embodiments of the present application, a first low-voltage uninterrupted operation scheme is generated according to interconnection distances and cable laying, and a feature scaling evaluation algorithm is used to score the first low-voltage uninterrupted operation scheme to obtain a recommended score, which is used to determine the feasibility and recommendation degree of the first low-voltage uninterrupted operation scheme. The method for scoring the first low-voltage uninterrupted operation scheme by using the feature scaling evaluation algorithm includes: determining n power supply side areas available for low-voltage interconnection from the first low-voltage uninterrupted operation scheme, and determining the interconnection distances of the n power supply side areas available for low-voltage interconnection, respectively; to avoid the huge score difference caused by the small number of power supply side areas available for low-voltage interconnection and the small cost difference, the feature scaling method is used, the interconnection distances are quantized by using z-score standardization, and then the sigmoid function value domain is mapped in (0, 1). Assuming that the low-voltage interconnection area contains n power supply side areas available for low-voltage interconnection, the interconnection distance of the power supply side area available for low-voltage interconnection is x n , the interconnection distances of the n power supply side areas available for low-voltage interconnection are quantitatively processed according to z-score standardization, respectively, to obtain quantized values X n * of the distances of the n power supply side areas available for low-voltage interconnection; the quantized values of the distances of the n power supply side areas available for low-voltage interconnection are mapped on a sigmoid function and equi-ratio scaled to obtain n recommended scores. The recommended scores are used to determine the feasibility and recommendation degree of the first low-voltage uninterrupted operation scheme, and when the interconnection distance x n of the power supply side area available for low-voltage interconnection is larger, the corresponding quantized value X n* The smaller the distance x and the lower the recommended score, the more likely the low-voltage contact power supply side area can be contacted. n The smaller the distance x and the lower the recommended score, the more likely the low-voltage contact power supply side area can be contacted. n * The larger the distance x and the higher the recommended score, the more likely the low-voltage contact power supply side area can be contacted.

[0118] When the recommended score is greater than the preset score threshold, the first low-voltage uninterrupted power operation scheme is uploaded to the management platform and stored in the historical database, which can uniformly collect and manage the first low-voltage uninterrupted power operation scheme, provide reliable historical data for the construction personnel, and drive the low-voltage uninterrupted power operation method with data support to further improve the reliability of the low-voltage uninterrupted power operation method. In response to the first execution signal of the low-voltage uninterrupted power operation, the management platform displays the three first low-voltage uninterrupted power operation schemes with the top three recommended scores for the construction personnel to judge and select the optimal first low-voltage uninterrupted power operation scheme, further improving the reliability of the low-voltage uninterrupted power operation method, and in response to the execution signal of the optimal low-voltage uninterrupted power operation scheme, the optimal first low-voltage uninterrupted power operation scheme is selected from the management platform for execution.

[0119] In some embodiments of the present application, the first low-voltage uninterrupted power operation scheme includes the power supply side area name, the power supply side area capacity, the transfer load of the power supply side area, the last year's highest load overload rate of the power supply side area, the last year's highest load overload rate of the load side area, the length of the cable laying path, the number of loops of the cable laying, and the cross-sectional area of the cable laying. The second low-voltage uninterrupted power operation scheme includes the last year's highest load overload rate of the load side area, the load side area predicted load and the configuration capacity of the power generation vehicle, the length of the cable laying path, the number of loops of the cable laying, and the cross-sectional area of the cable laying.

[0120] In the present application, the first low-voltage uninterrupted power operation scheme with a recommended score greater than a preset score threshold is uploaded to the management platform and stored in the historical database, and the second low-voltage uninterrupted power operation scheme is generated according to the correspondence between the parking point of the low-voltage power generation vehicle and the distance to the power failure area and the cable laying path, and is uploaded to the management platform and stored in the historical database.

[0121] The first low-voltage uninterrupted power operation scheme includes:

[0122] The power supply side area name is the name or number of the power supply side area for identification and operation;

[0123] The power supply side area capacity is the power supply capacity of the power supply side area, usually in kilowatts (kW) or megawatts (MW);

[0124] The transfer load of the power supply side area is the transfer power load that the power supply side area can provide;

[0125] The last year maximum load overload rate of the power supply side block area is the maximum load overload rate reached by the power supply side block area in the last year, which is used to evaluate the peak of the power supply capacity;

[0126] The last year maximum load overload rate of the load side block area is the maximum load overload rate reached by the load side block area in the last year, which is used to evaluate the peak of the power demand;

[0127] The length of the cable laying path is used to confirm the total length of the cable laying path from the power supply side block area to the load side block area;

[0128] The number of loops of the laid cable is the number of loops of the laid cable recommended for use in the low-voltage uninterrupted operation.

[0129] The cross-sectional area of the laid cable is the cross-sectional area of the laid cable recommended for use in combination with the length of the cable laying path and the number of loops of the laid cable in the low-voltage uninterrupted operation.

[0130] By uploading the first low-voltage uninterrupted operation scheme to the management platform and storing it in the historical database, the power supply side block area name, the power supply side block area capacity, the power supply side block area transfer load, the last year maximum load overload rate of the power supply side block area, the last year maximum load overload rate of the load side block area, the length of the cable laying path, the number of loops of the laid cable, and the cross-sectional area of the laid cable can be uniformly collected and managed, and the above-mentioned parameters in the first low-voltage uninterrupted operation scheme can be exported in an excel table information for driving the low-voltage uninterrupted operation method with data support.

[0131] The second low-voltage uninterrupted operation scheme includes:

[0132] The last year maximum load overload rate of the load side block area is the maximum load overload rate reached by the load side block area in the last year, which is used to evaluate the peak of the power demand;

[0133] The load side block area predicted load and the configuration capacity of the power generation vehicle are used to estimate the power demand of the load side block area and configure the corresponding capacity of the power generation vehicle;

[0134] The length of the cable laying path is used to confirm the total length of the cable laying path from the power supply side block area to the load side block area;

[0135] The number of loops of the laid cable is the number of loops of the laid cable recommended for use in the low-voltage uninterrupted operation.

[0136] The cross-sectional area of the laid cable is the cross-sectional area of the laid cable recommended for use in combination with the length of the cable laying path and the number of loops of the laid cable in the low-voltage uninterrupted operation.

[0137] By uploading the second low-voltage uninterrupted operation scheme to the management platform and storing it in the historical database, the highest load overload rate of the load side area last year, the predicted load of the load side area, the configuration capacity of the power generation vehicle, the length of the cable laying path, the number of loops of the cable laying, the cross-sectional area of the cable laying, and other parameters can be uniformly collected and managed. The above parameters in the second low-voltage uninterrupted operation scheme can be exported in an excel table information for supporting the low-voltage uninterrupted operation method with data.

[0138] In the embodiments of the present application, by uploading the first low-voltage uninterrupted operation scheme and the second low-voltage uninterrupted operation scheme to the management platform and storing them in the historical database, the low-voltage uninterrupted operation scheme can be uniformly collected and managed, reliable historical data can be provided for the construction personnel, the visualization degree of the historical data can be improved, the low-voltage uninterrupted operation method can be driven with data support, the low-voltage uninterrupted operation can be implemented without relying on the personal experience of the construction personnel, and the reliability of the low-voltage uninterrupted operation method can be improved.

[0139] When the power-off area meets the load requirement of the low-voltage contact area, the optimal first low-voltage uninterrupted operation scheme is selected from the management platform to be executed in response to the first execution signal of the low-voltage uninterrupted operation, or when the power-off area does not meet the load requirement of the low-voltage contact area, the optimal second low-voltage uninterrupted operation scheme is selected from the management platform to be executed in response to the second execution signal of the low-voltage uninterrupted operation, which ensures the smooth progress of the low-voltage uninterrupted operation, minimizes the impact of power-off on users, meets the power continuity requirement, and improves the user experience.

[0140] Reference Figure 7 , Figure 7Fig. 1 is a structural schematic diagram of a controller 1000 provided by an embodiment of the present application, which comprises a processor 1001, which can be implemented in the form of a general-purpose CPU (Central Processing Unit), a microprocessor, an ASIC (Application Specific Integrated Circuit), or one or more integrated circuits, etc., and is used to execute relevant programs to implement the method provided by the embodiment of the present application; a memory 1002, which can be implemented in the form of a ROM (Read Only Memory), a static storage device, a dynamic storage device, or a RAM (Random Access Memory), etc. The memory 1002 can store an operating system and other application programs, and when the technical solutions provided by the embodiments of the present application are implemented by software or firmware, the relevant program codes are saved in the memory 1002 and are called and executed by the processor 1001 to implement the embodiments of the present application; an input / output interface 1003, which is used to implement information input and output; a communication interface 1004, which is used to implement the communication interaction between the device and other devices, and can realize communication through a wired manner (for example, a USB, a network cable, etc.) or a wireless manner (for example, a mobile network, WIFI, Bluetooth, etc.); and a bus, which is used to transmit information between various components (for example, the processor 1001, the memory 1002, the input / output interface 1003, and the communication interface 1004) of the device. The processor 1001, the memory 1002, the input / output interface 1003, and the communication interface 1004 are communicatively connected to each other inside the device through the bus.

[0141] As will be appreciated by one of ordinary skill in the art, all or some of the steps, systems, etc. in the methods disclosed above can be embodied in software, firmware, hardware, and / or suitable combinations thereof. Some or all of the physical components can be implemented with software executed by a processor, such as a central processing unit, a digital signal processor, or a microprocessor, or can be implemented as hardware, or as an integrated circuit, such as an application- specific integrated circuit. Such software can be distributed on computer readable media, which can comprise computer readable storage media (or non-transitory media), and communication media (or transitory media). As is known to those of ordinary skill in the art computing readable storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Computer readable storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Further, as will be appreciated by one skilled in the art, communication media typically embodies computer readable instructions, data structures, program modules, or other data in a modulated data signal, such as carrier waves or other transport mechanisms, and includes any information delivery media.

[0142] Additional features and advantages of the application will be set forth in the description that follows, and in part will be apparent from the description, or can be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof.

Claims

1. A low voltage live-line working method, characterized by, The method comprises the following steps: When a fault power-off alarm signal is received, it is detected whether there is a low-voltage uninterrupted operation request; When there is a low-voltage uninterrupted operation request, the power-off area corresponding to the low-voltage uninterrupted operation request is determined; It is judged whether the power-off area meets the load requirement of the low-voltage contact area; When the power-off area meets the load requirement of the low-voltage contact area, the contact distance of the power-off area is calculated and the cable laying is determined, and a first low-voltage uninterrupted operation scheme is generated according to the contact distance and the cable laying; The first low-voltage uninterrupted operation scheme is scored by using a feature scaling evaluation algorithm to obtain a recommended score; When the recommended score is greater than a preset score threshold, the first low-voltage uninterrupted operation scheme is uploaded to a management platform and stored in a historical database; In response to a first execution signal of low-voltage uninterrupted operation, the optimal first low-voltage uninterrupted operation scheme is selected from the management platform for execution.

2. The method of claim 1, wherein, The method comprises the following steps: When the power-off area does not meet the load requirement of the low-voltage contact area, a low-voltage power generation vehicle power supply instruction is issued; In response to the low-voltage power generation vehicle power supply instruction, a parking point of the low-voltage power generation vehicle is recommended; The distance between the parking point of the low-voltage power generation vehicle and the power-off area is calculated; When the distance between the parking point of the low-voltage power generation vehicle and the power-off area is less than a first distance threshold, a low-voltage power generation vehicle that meets the load requirement of the power-off area is recommended according to the load requirement of the power-off area.

3. The method of claim 2, wherein, The method comprises the following steps: When the distance between the parking point of the low-voltage power generation vehicle and the power-off area is greater than the first distance threshold, a cable laying overlength prompt information is sent to prompt an alternative parking point of the low-voltage power generation vehicle.

4. The method of claim 3, wherein, After the low-voltage power generation vehicle that meets the load requirement of the power-off area is recommended according to the load requirement of the power-off area, the method further comprises the following steps: A cable laying path is generated according to the distance from the parking point of the low-voltage power generation vehicle to the power-off area and the configuration capacity corresponding to the low-voltage power generation vehicle that meets the load requirement of the power-off area; A second low-voltage uninterrupted operation scheme is generated according to the corresponding relationship between the distance from the parking point of the low-voltage power generation vehicle to the power-off area and the cable laying path; The second low-voltage uninterrupted operation scheme is uploaded to the management platform and stored in the historical database; In response to a second execution signal of low-voltage uninterrupted operation, the optimal second low-voltage uninterrupted operation scheme is selected from the management platform for execution.

5. The method of claim 1, wherein, The judgment of whether the power-off area meets the load requirement of the low-voltage contact area comprises the following steps: The low-voltage contact area within a preset diameter range of the power-off area is determined; It is detected whether there is a preselected power source side area within the low-voltage contact area range, which meets the condition that the sum of the maximum load of the power source side area and the maximum load of the load side area is less than or equal to the capacity of the power source side transformer; When there is the preselected power source side area, it is determined that the power-off area meets the load requirement of the low-voltage contact area.

6. The method of claim 5, wherein, The calculation of the contact distance of the power-off area and the determination of the cable laying comprise the following steps: The contact distance between the preselected power source side area and the load side area within the power-off area that meets the load requirement is determined based on a two-point algorithm of a road network; determine whether there is a pre-selected power supply side substation whose tie-in distance is less than a second distance threshold value; when there is a pre-selected power supply side substation whose tie-in distance is less than a second distance threshold value, obtain the highest load of the load side substation and the rated current of the pre-selected power supply side substation, and determine the transfer power corresponding to the highest load according to the highest load of the load side substation and the rated current of the pre-selected power supply side substation; determine the cross-sectional area and the number of loops of the cable to be laid according to the transfer power corresponding to the highest load.

7. The method of claim 1, wherein, The evaluation algorithm using feature scaling scores the first low-voltage uninterrupted operation scheme, and obtains a recommended score, which includes: determining n power supply side substations that can be connected to low-voltage power supply from the first low-voltage uninterrupted operation scheme, and determining the tie-in distance of each of the n power supply side substations that can be connected to low-voltage power supply; quantifying the tie-in distance of each of the n power supply side substations that can be connected to low-voltage power supply according to z-score standardization, and obtaining the quantized value of the distance of each of the n power supply side substations that can be connected to low-voltage power supply; mapping the quantized value of the distance of each of the n power supply side substations that can be connected to low-voltage power supply on a sigmoid function and performing equal ratio scaling, and obtaining n recommended scores.

8. The method of claim 4, wherein, The first low-voltage uninterrupted operation scheme includes the name of the power supply side substation, the capacity of the power supply side substation, the transfer load of the power supply side substation, the overload rate of the highest load of the power supply side substation in the last year, the overload rate of the highest load of the load side substation in the last year, the length of the cable to be laid, the number of loops of the cable to be laid, and the cross-sectional area of the cable to be laid. The second low-voltage uninterrupted operation scheme includes the overload rate of the highest load of the load side substation in the last year, the predicted load of the load side substation, and the configuration capacity of the power generation vehicle, the length of the cable to be laid, the number of loops of the cable to be laid, and the cross-sectional area of the cable to be laid.

9. A controller characterized by, The computer program is stored in the memory and executable on the processor, and the processor executes the computer program to perform the method of any one of claims 1 to 8. The computer readable storage medium stores computer executable instructions for causing a computer to perform the method of any one of claims 1 to 8.

10. A computer-readable storage medium, characterized in that, ​

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