Rapid power distribution operation and maintenance analysis method and system for terminal intelligent low-voltage cabinet

Abstract

The invention discloses a rapid power distribution operation and maintenance analysis method and system for a terminal intelligent low-voltage cabinet, and belongs to the technical field of power distribution operation and maintenance. The method comprises the following steps: identifying power distribution nodes in a circuit drawing, generating a node class library, and capturing a bridging relationship to form a power distribution loop; an operation and maintenance time sequence is generated through timing, and loop nodes are counted to generate a loop type set; authenticating a node connectivity state based on the loop type set and quantifying a node connectivity state feedback value; and dynamically evaluating the power distribution operation and maintenance abnormity degree in combination with a feedback value to realize rapid early warning. The system comprises a data configuration module, a preprocessing module, a state authentication processing module and a power distribution rapid operation and maintenance module. Through automatic node identification, loop modeling and dynamic abnormity evaluation, the problems that traditional power distribution operation and maintenance depend on manpower, efficiency is low and real-time performance is poor are solved, the switching behavior of a power distribution loop, namely a node connectivity state feedback value, can be quantified, and the intelligent level and the response speed of operation and maintenance of the low-voltage cabinet are remarkably improved.

Description

Technical Field

[0001] The present invention relates to the technical field of power distribution operation and maintenance, and specifically to a rapid power distribution operation and maintenance analysis method and system for terminal intelligent low-voltage cabinets. Background Art

[0002] In the field of traditional power distribution operation and maintenance, the switching behavior management of distribution circuits mainly relies on manual inspections and experience judgment, which has significant inefficiencies and lack of real-time performance. As the core unit of low-voltage cabinet operation, the switching behavior of distribution circuits directly affects the stability and reliability of the power system.

[0003] In the existing technology, operation and maintenance personnel need to manually parse circuit diagrams to identify distribution nodes and loop connection relationships, which is time-consuming and prone to errors. At the same time, the monitoring of node connectivity status mostly adopts periodic static inspections, which makes it difficult to capture dynamic changes (such as partial connectivity or instantaneous disconnection) in a timely manner, resulting in delayed abnormal warnings. In addition, traditional methods lack quantitative evaluation of loop switching behavior and cannot effectively combine historical operation and maintenance data to dynamically adjust thresholds, further restricting the operation and maintenance response speed and intelligence level.

[0004] Therefore, there is an urgent need for an automated, real-time solution to accurately identify the switching behavior of distribution circuits, achieve rapid abnormal assessment and early warning, and thus improve the reliability and efficiency of low-voltage cabinet operation and maintenance. Summary of the invention

[0005] The purpose of the present invention is to provide a rapid power distribution operation and maintenance analysis method and system for terminal intelligent low-voltage cabinets to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: A rapid power distribution operation and maintenance analysis system for terminal intelligent low-voltage cabinets, the system includes: a data configuration module, a data preprocessing module, a state authentication processing module and a power distribution rapid operation and maintenance module; The data configuration module is used to identify each power distribution node in the circuit drawing to generate a power distribution node class library; based on the power distribution circuit and node attributes designed in the circuit drawing, the cross-connection relationship between the power distribution nodes is captured to obtain a plurality of power distribution circuits containing the power distribution nodes; The data preprocessing module is used to form an operation and maintenance time series by timing; count all the distribution nodes included in the distribution circuit and generate a circuit type set; The state authentication processing module authenticates the node connectivity state between the power distribution nodes based on the loop type set, and quantifies the node connectivity state feedback value; The power distribution rapid operation and maintenance module evaluates the power distribution operation and maintenance abnormality based on the node connectivity status feedback value, and regularly updates and outputs the power distribution operation and maintenance abnormality to achieve rapid early warning prompts.

[0007] Further, the data configuration module includes a power distribution node library unit, a power distribution circuit library unit and a property setting unit; The power distribution node library unit is used to import the circuit drawing of the low-voltage cabinet and identify each power distribution node in the circuit drawing to generate a power distribution node library, wherein the types of the power distribution nodes include incoming line nodes, confluence nodes, outgoing feeder nodes and grounding nodes; The power distribution circuit library unit is used to form a loop impedance from the power distribution circuit when generating the power distribution circuit library, wherein the power distribution circuit has a combination of resistance, capacitance or inductance built in; The attribute setting unit is used to compile node attributes in the circuit drawing, and the node attributes include the distribution node number and the node connectivity status. The node connectivity status is identified based on the cross-connection relationship, and the node connectivity status includes the node no connectivity state, the node full connectivity state and the node partial connectivity state.

[0008] Further, the data preprocessing module includes a timing unit and a loop type coordination unit; The timing unit is used to time the power distribution operation and maintenance time nodes and generate a timed operation and maintenance time series; The loop type coordination unit is used to uniformly encode the distribution loop, count all the distribution nodes included in the distribution loop and generate a loop type set.

[0009] Further, the state authentication processing module includes a state authentication unit and a feedback processing unit; The state authentication unit is used to authenticate the node connectivity state between the power distribution nodes; The feedback processing unit quantifies the node connectivity state feedback value based on the node connectivity state.

[0010] Furthermore, the power distribution rapid operation and maintenance module includes a power distribution operation and maintenance abnormality analysis unit and an early warning processing unit; The power distribution operation and maintenance abnormality analysis unit is used to calculate the power distribution operation and maintenance abnormality degree; The warning processing unit is used to update and output the distribution operation and maintenance abnormality between different distribution nodes in each operation and maintenance cycle, and preset an abnormality threshold. If the distribution operation and maintenance abnormality is greater than or equal to the abnormality threshold, a warning prompt is synchronously output to the operation and maintenance interface.

[0011] A rapid power distribution operation and maintenance analysis method for terminal intelligent low-voltage cabinets, the method comprising the following steps: Step S1: identifying each power distribution node in the circuit drawing to generate a power distribution node class library; based on the power distribution circuit and node attributes designed in the circuit drawing, capturing the cross-connection relationship between the power distribution nodes to obtain a number of power distribution circuits containing the power distribution nodes; Step S2: forming an operation and maintenance time series by timing; counting all the distribution nodes included in the distribution circuit and generating a circuit type set; Step S3: authenticating the node connectivity status between the distribution nodes based on the loop type set, and quantifying the node connectivity status feedback value; Step S4: Based on the node connectivity status feedback value, the distribution operation and maintenance abnormality is evaluated, and the distribution operation and maintenance abnormality is regularly updated and output to achieve rapid early warning prompts.

[0012] Furthermore, the specific implementation process of step S1 includes: Importing the circuit drawing of the low-voltage cabinet, and identifying each distribution node in the circuit drawing to generate a distribution node class library, wherein the types of the distribution nodes include incoming line nodes, confluence nodes, outgoing feeder nodes and grounding nodes; When generating a distribution circuit class library, the circuit impedance is formed by the distribution circuit, and the distribution circuit has a combination of resistance, capacitance or inductance built in; Node attributes in a circuit drawing are compiled, wherein the node attributes include a distribution node number and a node connectivity state, wherein the node connectivity state is identified based on a cross-connection relationship, and the node connectivity state includes a node no connectivity state, a node full connectivity state, and a node partial connectivity state.

[0013] In the above methods, automated node identification can reduce manual intervention and improve data accuracy and processing efficiency; cross-connection relationship capture and loop archiving can provide a structured data foundation for subsequent state analysis and support dynamic management of complex loops; refined distinction of node attributes (no connectivity, full connectivity, partial connectivity) can lay the foundation for quantitative switching behavior.

[0014] Furthermore, the specific implementation process of step S2 includes: The distribution operation and maintenance time nodes are timed to generate a timed operation and maintenance time series, recorded as ,in, represents the xth operation and maintenance time node that is timely, and T represents the total number of operation and maintenance time nodes in the operation and maintenance cycle; The distribution circuits are uniformly coded, and any e-th distribution circuit is recorded as , statistical distribution circuit All the distribution nodes included in the circuit type set are generated, which is recorded as , represents the i-th distribution node, and I represents the total number of distribution nodes.

[0015] In the above method, the regularized time series ensures the temporal consistency of the operation and maintenance data, which facilitates the dynamic tracking of loop status changes; the loop type set uniformly defines the distribution characteristics of distribution nodes, which can enhance data interpretability and provide standardized input for connectivity certification.

[0016] Furthermore, based on the loop type set, the node connectivity status between the distribution nodes is authenticated, and the specific implementation process of quantifying the node connectivity status feedback value includes: Verify the node connectivity status between distribution nodes: At the operation and maintenance time node Under this condition, for the undirected relationship between the nodes of the matching point , through the loop type set To authenticate: If the loop type set It also contains the point node and point nodes , then it represents an undirected relationship In loop type set The authentication result in is that the nodes are fully connected; if the loop type set The node does not contain the point distribution node at the same time and point nodes , then it represents an undirected relationship In loop type set The authentication result in the node is partially connected; if the loop type set Does not contain a distribution node and point nodes , then it represents an undirected relationship In loop type set The authentication result in is that the node is not connected; Quantify the node connectivity status feedback value: ; In the formula, is the node connectivity state feedback value function, E represents the total number of distribution circuits, is the authentication result characterization function and , y represents the status code and y∈[1, 2, 3]; if y=1, it means that the authentication result is a fully connected node state; if y=2, it means that the authentication result is a partially connected node state; if y=3, it means that the authentication result is a non-connected node state; Then the node connectivity status feedback value .

[0017] In the above methods, the authentication method (such as and Whether to coexist with ) Realize fast logical judgment of connectivity status and reduce computational complexity; Feedback value quantization formula By counting the frequency of states in each loop, the discrete state is converted into a continuous indicator to enhance the sensitivity of anomaly detection; multi-dimensional feedback value , which comprehensively characterizes node connectivity and can provide multi-dimensional data support for dynamic anomaly assessment.

[0018] Furthermore, the specific implementation process of step S4 includes: Power distribution operation and maintenance abnormality: ; In the formula, Indicates an undirected relationship within the operation and maintenance cycle Node connectivity status The abnormality of power distribution operation and maintenance, ; The distribution operation and maintenance abnormality between different distribution nodes is updated and output in each operation and maintenance cycle, and the abnormality threshold is preset. If the distribution operation and maintenance abnormality is greater than or equal to the abnormality threshold, an early warning prompt is synchronously output to the operation and maintenance interface.

[0019] In the above method, the abnormality formula is ,The exponential decay function is introduced to highlight the weight of recent state changes, which can improve the response speed to sudden anomalies.

[0020] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: in a rapid power distribution operation and maintenance analysis method and system for terminal intelligent low-voltage cabinets provided by the present invention, power distribution nodes are identified in circuit drawings and node class libraries are generated, and cross-connection relationships are captured to form power distribution loops; operation and maintenance time series are generated by timing, and loop nodes are counted to generate loop type sets; node connectivity status is authenticated based on the loop type set and node connectivity status feedback values ​​are quantified; and the power distribution operation and maintenance abnormality is dynamically evaluated in combination with the feedback value to achieve rapid early warning. The system includes data configuration, preprocessing, status authentication processing, and power distribution rapid operation and maintenance modules. The present invention solves the problems of traditional power distribution operation and maintenance relying on manual labor, low efficiency, and poor real-time performance through automated node identification, loop modeling, and dynamic anomaly evaluation. It can quantify the switching behavior of the distribution loop, that is, the node connectivity status feedback value, and significantly improves the intelligence level and response speed of low-voltage cabinet operation and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0022] Figure 1 It is a schematic diagram of the steps of a rapid power distribution operation and maintenance analysis method for a terminal intelligent low-voltage cabinet of the present invention. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] In the first embodiment of the present invention, a rapid power distribution operation and maintenance analysis system for a terminal intelligent low-voltage cabinet is provided. The system includes a data configuration module, a data preprocessing module, a state authentication processing module and a rapid power distribution operation and maintenance module.

[0025] The data configuration module is used to identify each power distribution node in the circuit drawing to generate a power distribution node class library; based on the power distribution circuit and node attributes designed in the circuit drawing, the cross-connection relationship between the power distribution nodes is captured to obtain a number of power distribution circuits containing power distribution nodes; Exemplarily, the data configuration module includes a power distribution node library unit, a power distribution circuit library unit, and a property setting unit; The power distribution node library unit is used to import the circuit drawing of the low-voltage cabinet and identify each power distribution node in the circuit drawing to generate a power distribution node library. The types of power distribution nodes include incoming line nodes, confluence nodes, outgoing nodes and grounding nodes. A power distribution circuit library unit is used to form a circuit impedance from a power distribution circuit when generating a power distribution circuit library, and a combination of resistance, capacitance or inductance is built into the power distribution circuit; The attribute setting unit is used to compile the node attributes in the circuit drawing. The node attributes include the distribution node number and the node connectivity status. The node connectivity status is identified based on the cross-connection relationship, and the node connectivity status includes the node non-connected state, the node fully connected state and the node partially connected state.

[0026] The data preprocessing module is used to form an operation and maintenance time series by timing; count all the distribution nodes contained in the distribution circuit and generate a circuit type set; Exemplarily, the data preprocessing module includes a timing unit and a loop type coordination unit; The timing unit is used to time the distribution operation and maintenance time nodes and generate a time series of operation and maintenance; The circuit type coordination unit is used to uniformly encode the distribution circuit, count all the distribution nodes contained in the distribution circuit and generate a circuit type set.

[0027] A state authentication processing module authenticates the node connectivity state between distribution nodes based on the loop type set and quantifies the node connectivity state feedback value; Exemplarily, the state authentication processing module includes a state authentication unit and a feedback processing unit; A state authentication unit, used to authenticate the node connectivity state between distribution nodes; The feedback processing unit quantifies the node connectivity state feedback value based on the node connectivity state.

[0028] The power distribution rapid operation and maintenance module evaluates the power distribution operation and maintenance abnormality based on the node connectivity status feedback value, and regularly updates and outputs the power distribution operation and maintenance abnormality to achieve rapid early warning prompts; Exemplarily, the power distribution rapid operation and maintenance module includes a power distribution operation and maintenance abnormality analysis unit and an early warning processing unit; Power distribution operation and maintenance abnormality analysis unit, used to calculate the power distribution operation and maintenance abnormality degree; The early warning processing unit is used to update and output the distribution operation and maintenance abnormality between different distribution nodes in each operation and maintenance cycle, and preset the abnormality threshold. If the distribution operation and maintenance abnormality is greater than or equal to the abnormality threshold, the early warning prompt is synchronously output to the operation and maintenance interface.

[0029] See also Figure 1 In the second embodiment, a fast power distribution operation and maintenance analysis method for a terminal intelligent low-voltage cabinet is provided to be applicable to the first embodiment, and the method comprises the following steps: Step S1: identifying each power distribution node in the circuit drawing to generate a power distribution node class library; based on the power distribution circuit and node attributes designed in the circuit drawing, capturing the cross-connection relationship between the power distribution nodes to obtain a number of power distribution circuits containing the power distribution nodes; Exemplarily, a circuit drawing of a low-voltage cabinet is imported, and each distribution node in the circuit drawing is identified to generate a distribution node class library, where the types of distribution nodes include incoming line nodes, confluence nodes, outgoing feeder nodes, and grounding nodes; When generating a distribution circuit library, the circuit impedance is formed by the distribution circuit, and a combination of resistance, capacitance or inductance is built into the distribution circuit; Prepare node attributes in the circuit diagram, the node attributes include the distribution node number and the node connectivity status, the node connectivity status is identified based on the cross-connection relationship, and the node connectivity status includes the node no connectivity state, the node full connectivity state and the node partial connectivity state.

[0030] Step S2: forming an operation and maintenance time series by timing; counting all the distribution nodes included in the distribution circuit and generating a circuit type set; For example, the distribution operation and maintenance time nodes are timed to generate a timed operation and maintenance time series, which is recorded as ,in, represents the xth operation and maintenance time node that is timely, and T represents the total number of operation and maintenance time nodes in the operation and maintenance cycle; The distribution circuits are uniformly coded, and any e-th distribution circuit is recorded as , statistical distribution circuit All the distribution nodes included in the circuit type set are generated, which is recorded as , represents the i-th distribution node, and I represents the total number of distribution nodes.

[0031] For example, distribution node type: incoming line node ( ), confluence node ( ), feed-out node ( ), ground node ( ); Power distribution circuit: (Include , impedance is the combination of resistance + inductance), (Include , impedance is the resistor + capacitor combination) and (Include , impedance is pure resistance); Operation and maintenance cycle: Time nodes ( ), total number of distribution circuits .

[0032] Step S3: authenticating the node connectivity status between the distribution nodes based on the loop type set, and quantifying the node connectivity status feedback value; Exemplarily, verify the node connectivity status between distribution nodes: At the operation and maintenance time node Under this condition, for the undirected relationship between the nodes of the matching point , through the loop type set To authenticate: If the loop type set It also contains the point node and point nodes , then it represents an undirected relationship In loop type set The authentication result in is that the nodes are fully connected; if the loop type set The node does not contain the point distribution node at the same time and point nodes , then it represents an undirected relationship In loop type set The authentication result in the node is partially connected; if the loop type set Does not contain a distribution node and point nodes , then it represents an undirected relationship In loop type set The authentication result in is that the node is not connected; Quantify the node connectivity status feedback value: ; In the formula, is the node connectivity state feedback value function, E represents the total number of distribution circuits, is the authentication result characterization function and , y represents the status code and y∈[1, 2, 3]; if y=1, it means that the authentication result is a fully connected node state; if y=2, it means that the authentication result is a partially connected node state; if y=3, it means that the authentication result is a non-connected node state; Then the node connectivity status feedback value .

[0033] For example, at the time point ,examine Connectivity: Include , not including →Partially connected ( ); Not included → No connectivity ( ); Include and →Fully connected ( ); Calculate the feedback value: .

[0034] Step S4: Based on the node connectivity status feedback value, evaluate the distribution operation and maintenance abnormality, and regularly update and output the distribution operation and maintenance abnormality to achieve rapid early warning prompts; For example, the abnormality of power distribution operation and maintenance: ; In the formula, Indicates an undirected relationship within the operation and maintenance cycle Node connectivity status The abnormality of power distribution operation and maintenance, ; The distribution operation and maintenance abnormality between different distribution nodes is updated and output in each operation and maintenance cycle, and the abnormality threshold is preset. If the distribution operation and maintenance abnormality is greater than or equal to the abnormality threshold, an early warning prompt is synchronously output to the operation and maintenance interface.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rapid power distribution operation and maintenance analysis method for terminal intelligent low-voltage cabinets, characterized in that: The method comprises the following steps: Step S1: identifying each power distribution node in the circuit drawing to generate a power distribution node class library; based on the power distribution circuit and node attributes designed in the circuit drawing, capturing the cross-connection relationship between the power distribution nodes to obtain a number of power distribution circuits containing the power distribution nodes; Step S2: forming an operation and maintenance time series by timing; counting all the distribution nodes included in the distribution circuit and generating a circuit type set; Step S3: authenticating the node connectivity status between the distribution nodes based on the loop type set, and quantifying the node connectivity status feedback value; Step S4: Based on the node connectivity status feedback value, the distribution operation and maintenance abnormality is evaluated, and the distribution operation and maintenance abnormality is regularly updated and output to achieve rapid early warning prompts.

2. A rapid power distribution operation and maintenance analysis method for terminal intelligent low-voltage cabinets according to claim 1, characterized in that: The specific implementation process of step S1 includes: Importing the circuit drawing of the low-voltage cabinet, and identifying each distribution node in the circuit drawing to generate a distribution node class library, wherein the types of the distribution nodes include incoming line nodes, confluence nodes, outgoing feeder nodes and grounding nodes; When generating a distribution circuit class library, the circuit impedance is formed by the distribution circuit, and the distribution circuit has a combination of resistance, capacitance or inductance built in; Node attributes in a circuit drawing are compiled, wherein the node attributes include a distribution node number and a node connectivity state, wherein the node connectivity state is identified based on a cross-connection relationship, and the node connectivity state includes a node no connectivity state, a node full connectivity state, and a node partial connectivity state.

3. A rapid power distribution operation and maintenance analysis method for terminal intelligent low-voltage cabinet according to claim 1, characterized in that: The specific implementation process of step S2 includes: The distribution operation and maintenance time nodes are timed to generate a timed operation and maintenance time series, recorded as ,in, represents the xth operation and maintenance time node that is timely, and T represents the total number of operation and maintenance time nodes in the operation and maintenance cycle; The distribution circuits are uniformly coded, and any e-th distribution circuit is recorded as , statistical distribution circuit All the distribution nodes included in the circuit type set are generated and recorded as , represents the i-th distribution node, and I represents the total number of distribution nodes.

4. A rapid power distribution operation and maintenance analysis method for terminal intelligent low-voltage cabinets according to claim 3, characterized in that: Based on the loop type set, the specific implementation process of authenticating the node connectivity status between distribution nodes and quantifying the node connectivity status feedback value includes: Verify the node connectivity status between distribution nodes: At the operation and maintenance time node Under this condition, for the undirected relationship between the nodes of the matching point , through the loop type set To authenticate: If the loop type set It also contains the point node and point nodes , then it represents an undirected relationship In loop type set The authentication result in is that the nodes are fully connected; if the loop type set The node does not contain the point distribution node at the same time and point nodes , then it represents an undirected relationship In loop type set The authentication result in the node is partially connected; if the loop type set Does not contain a distribution node and point nodes , then it represents an undirected relationship In loop type set The authentication result in is that the node is not connected; Quantify the node connectivity status feedback value: ； In the formula, is the node connectivity state feedback value function, E represents the total number of distribution circuits, is the authentication result characterization function and , y represents the status code and y∈[1, 2, 3]; if y=1, it means that the authentication result is a fully connected node state; if y=2, it means that the authentication result is a partially connected node state; if y=3, it means that the authentication result is a non-connected node state; Then the node connectivity status feedback value .

5. A rapid power distribution operation and maintenance analysis method for terminal intelligent low-voltage cabinets according to claim 4, characterized in that: The specific implementation process of step S4 includes: Power distribution operation and maintenance abnormality: ; In the formula, Indicates an undirected relationship within the operation and maintenance cycle Node connectivity status The abnormality of power distribution operation and maintenance, ; The distribution operation and maintenance abnormality between different distribution nodes is updated and output in each operation and maintenance cycle, and the abnormality threshold is preset. If the distribution operation and maintenance abnormality is greater than or equal to the abnormality threshold, an early warning prompt is synchronously output to the operation and maintenance interface.

6. A rapid power distribution operation and maintenance analysis system for terminal intelligent low-voltage cabinets, which executes the rapid power distribution operation and maintenance analysis method as described in any one of claims 1 to 5, characterized in that: The system includes: a data configuration module, a data preprocessing module, a state authentication processing module and a power distribution rapid operation and maintenance module; The data configuration module is used to identify each power distribution node in the circuit drawing to generate a power distribution node class library; based on the power distribution circuit and node attributes designed in the circuit drawing, the cross-connection relationship between the power distribution nodes is captured to obtain a plurality of power distribution circuits containing the power distribution nodes; The data preprocessing module is used to form an operation and maintenance time series by timing; count all the distribution nodes included in the distribution circuit and generate a circuit type set; The state authentication processing module authenticates the node connectivity state between the power distribution nodes based on the loop type set, and quantifies the node connectivity state feedback value; The power distribution rapid operation and maintenance module evaluates the power distribution operation and maintenance abnormality based on the node connectivity status feedback value, and regularly updates and outputs the power distribution operation and maintenance abnormality to achieve rapid early warning prompts.

7. A rapid power distribution operation and maintenance analysis system for terminal intelligent low-voltage cabinets according to claim 6, characterized in that: The data configuration module includes a power distribution node library unit, a power distribution circuit library unit and a property setting unit; The power distribution node library unit is used to import the circuit drawing of the low-voltage cabinet and identify each power distribution node in the circuit drawing to generate a power distribution node library, wherein the types of the power distribution nodes include incoming line nodes, confluence nodes, outgoing feeder nodes and grounding nodes; The power distribution circuit library unit is used to form a loop impedance from the power distribution circuit when generating the power distribution circuit library, wherein the power distribution circuit has a combination of resistance, capacitance or inductance built in; The attribute setting unit is used to compile node attributes in the circuit drawing, and the node attributes include the distribution node number and the node connectivity status. The node connectivity status is identified based on the cross-connection relationship, and the node connectivity status includes the node no connectivity state, the node full connectivity state and the node partial connectivity state.

8. A rapid power distribution operation and maintenance analysis system for terminal intelligent low-voltage cabinets according to claim 6, characterized in that: The data preprocessing module includes a timing unit and a loop type coordination unit; The timing unit is used to time the power distribution operation and maintenance time nodes and generate a timed operation and maintenance time series; The loop type coordination unit is used to uniformly encode the distribution loop, count all the distribution nodes included in the distribution loop and generate a loop type set.

9. A rapid power distribution operation and maintenance analysis system for terminal intelligent low-voltage cabinets according to claim 6, characterized in that: The state authentication processing module includes a state authentication unit and a feedback processing unit; The state authentication unit is used to authenticate the node connectivity state between the power distribution nodes; The feedback processing unit quantifies the node connectivity state feedback value based on the node connectivity state.

10. A rapid power distribution operation and maintenance analysis system for terminal intelligent low-voltage cabinets according to claim 6, characterized in that: The power distribution rapid operation and maintenance module includes a power distribution operation and maintenance abnormality analysis unit and an early warning processing unit; The power distribution operation and maintenance abnormality analysis unit is used to calculate the power distribution operation and maintenance abnormality degree; The warning processing unit is used to update and output the distribution operation and maintenance abnormality between different distribution nodes in each operation and maintenance cycle, and preset an abnormality threshold. If the distribution operation and maintenance abnormality is greater than or equal to the abnormality threshold, a warning prompt is synchronously output to the operation and maintenance interface.

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