CN112467876B - A power failure analysis and location management system and method - Google Patents

Abstract

The invention provides a power failure analysis and positioning management system and a method, wherein the system comprises a management server and a plurality of monitoring terminals which are in communication connection with the management server; the monitoring terminal is connected with a plurality of monitoring points, and the management server receives the collected data packet and the fault analysis request information and sends the received collected data packet to the calculation processing module and the analysis module; analyzing the received fault analysis request information, and outputting the identification of the monitoring terminal which correspondingly sends the fault analysis request information; searching information of the acquisition monitoring points corresponding to the identification records of the monitoring terminals according to the identifications; and analyzing and calculating the fault probability of each acquisition monitoring point according to the received acquisition data packet, determining the acquisition monitoring point with the maximum fault probability, carrying out fault analysis on the acquisition monitoring point fault with the maximum fault probability, and outputting a fault analysis result. And the fault analysis is performed by establishing a fault analysis positioning model, so that the effectiveness and the accuracy of fault analysis positioning are improved.

Description

A power failure analysis and location management system and method

technical field

The invention relates to the technical field of power fault analysis and positioning, in particular to a power fault analysis and positioning management system and method.

Background technique

With the emergence of power grids, reliability of power supply has always been the core of power grid operation, scheduling, management and marketing. With the increase of power grid scale and the improvement of power grid automation level, the amount of information collected by power monitoring systems is developing in the direction of massive scale. Facing the large environment where the amount of collected information is increasing sharply, improving the efficiency of information processing has become one of the technical problems that must be solved at present. The prediction of power supply reliability and the research on power supply fault location have never stopped.

Existing power equipment needs regular maintenance. Since the power line is long and there are many power equipment, there is a lot of data collected. After processing the data, locating the power failure is an important means to ensure the reliability of power supply.

Contents of the invention

Existing electric equipment needs regular inspection and maintenance. Since the power line is long and there are many electric equipment, there are many collected data. After processing the data, locating the power fault is an important means to ensure the reliability of power supply. The present invention provides a power fault analysis and location management system and method.

Technical scheme of the present invention is:

In the first aspect, the technical solution of the present invention provides a power failure analysis and location management system, including a management server and a number of monitoring terminals communicatively connected to the management server;

The monitoring terminal is connected to several monitoring points, and each monitoring point is equipped with an acquisition module and a status data sending module;

The monitoring terminal includes a processing module and a sending module

The collection module is used to collect the status data of the power system;

The status data sending module is used to send the collected status data to the processing module of the monitoring terminal;

The processing module is used to process the received state data and output alarm information, and at the same time encapsulate the collected state data into a collection data packet;

The sending module is used to send the fault analysis request information corresponding to the collected data packets and the alarm information to the management server;

The management server includes a receiving module, an analyzing module, a searching module, and a calculation processing module;

The receiving module is used to receive the collection data packet and the fault analysis request information and send the received collection data packet to the calculation processing module and the analysis module;

An analysis module, configured to analyze the received fault analysis request information, and output the identification corresponding to the monitoring terminal that sends the fault analysis request information;

The search module is used to find out the information of the collection and monitoring point of the identification record corresponding to the monitoring terminal according to the identification;

The calculation and processing module is used to analyze and calculate the failure probability of each collection and monitoring point according to the received collection data packet, determine the collection and monitoring point with the highest failure probability, perform failure analysis on the failure of the collection and monitoring point with the highest failure probability, and output the failure analysis result. There is no need to traverse all fault information in the power grid for analysis, reducing the number of faults in fault analysis, shortening the process of fault analysis, and improving the efficiency of analysis.

Preferably, the monitoring terminal also includes a communication management module;

The communication management module is used to send contact request information carrying the identification of the monitoring terminal and the geographic location information of the monitoring terminal to the management server after the monitoring terminal accesses the management server.

Preferably, the management system also includes several power management service stations; the several power management service stations are respectively connected to the management server in communication; the management server also includes a management processing module;

The parsing module is also used to parse out the geographical location information and identification of the monitoring terminal according to the received contact request information after the fault analysis is completed;

The management processing module is used to determine the power management service station closest to the geographical location of the monitoring terminal according to the analyzed geographical location information of the monitoring terminal, and send a dispatch order to the power management service station.

Preferably, the management processing module is further configured to find corresponding fault analysis and diagnosis results based on the analyzed identification of the monitoring terminal and send them to the power management service station together with the labor dispatch order. The cause of the fault can be known without waiting for technicians to arrive at the fault site, which can save a lot of workload, and improve the efficiency of fault analysis and maintenance by sending fault analysis and diagnosis results.

Preferably, the management server includes a fault information acquisition module, a fault information processing module, a selection module, and a fault analysis and location module;

A fault information acquisition module, configured to obtain fault information according to the received collection data packet;

The fault information processing module is used to process the fault information to obtain a set of fault keywords;

The selection module is used to match the fault analysis and location model in the fault model library based on the fault keywords in the fault keyword set;

The fault analysis and location module is configured to use the selected fault analysis and location model to perform fault analysis and processing to obtain a fault analysis and location result. The fault analysis and positioning model is used for analysis and positioning, which improves the efficiency.

Preferably, the management server includes a training data generation module and a fault analysis and localization model generation module;

The training data generation module is used to extract key features from the data in the failure keyword set, and obtain training data according to the extracted key features;

The fault analysis and location model generating module is used to train the generated training data as a fault analysis and location model and generate a fault model library.

Preferably, the fault information processing module includes a processing unit and a set generating unit;

A processing unit, configured to segment and process the fault information to generate a segment set;

The set generation unit is used to select each word in the segmentation set, and when it is judged that there is a word matching the word in the word frequency dictionary; the word is added to the failure keyword set, and when the frequency of occurrence of the selected word is greater than the set frequency threshold, the word is added to the failure keyword set.

In the second aspect, the technical solution of the present invention provides a power failure analysis and location management method, which is applied to the power failure analysis and location management system described in the first aspect, and the method includes the following steps:

Collect status data of the power system;

Send the collected status data to the processing module of the monitoring terminal;

Process the received status data and output alarm information, and at the same time encapsulate the collected status data into the collection data packet;

Send the collected data packets and the fault analysis request information corresponding to the alarm information to the management server;

Receive the collection data packet and the fault analysis request information and send the received collection data packet to the calculation processing module;

Analyzing the received fault analysis request information, and outputting the identifier corresponding to the monitoring terminal that sent the fault analysis request information;

According to the identification, find out the information of the collection monitoring point corresponding to the identification record of the monitoring terminal;

Analyze and calculate the failure probability of each collection and monitoring point according to the received collection data packet, determine the collection and monitoring point with the highest failure probability, perform fault analysis on the failure of the collection and monitoring point with the highest failure probability, and output the failure analysis result.

Preferably, before the step of collecting the state data of the power system, it also includes:

After the monitoring terminal accesses the management server, it sends contact request information carrying the identification of the monitoring terminal and the geographic location information of the monitoring terminal to the management server.

Preferably, according to the analysis and calculation of the failure probability of each collection and monitoring point according to the received collection data packet, determining the collection and monitoring point with the greatest failure probability, performing a failure analysis on the failure of the collection and monitoring point with the greatest failure probability and outputting the failure analysis result, the steps further include:

After the fault analysis is completed, analyze the geographical location information and identification of the monitoring terminal according to the received contact request information;

According to the analyzed geographical location information of the monitoring terminal, determine the power management service station closest to the geographical location of the monitoring terminal, and send a task order to the power management service station. Specifically, according to the analyzed identification of the monitoring terminal and the corresponding fault analysis and diagnosis result, the result is sent to the power management service station together with the dispatch order. The cause of the fault can be known without waiting for technicians to arrive at the fault site, which can save a lot of workload, and improve the efficiency of fault analysis and maintenance by sending fault analysis and diagnosis results.

Preferably, analyzing and calculating the failure probability of each collection monitoring point according to the received collection data packet, determining the collection monitoring point with the greatest failure probability, performing fault analysis on the failure of the collection monitoring point with the maximum failure probability and outputting the failure analysis result specifically includes:

Obtain fault information according to the received collection data packets, calculate the failure probability of each collection and monitoring point, and determine the collection and monitoring point with the highest failure probability;

Process the fault information to obtain a set of fault keywords;

Based on the fault keywords in the fault keyword set, match the fault analysis and location model in the fault model library;

Use the selected fault analysis and location model to perform fault analysis and processing on the collection and monitoring points with the highest fault probability, and obtain the fault analysis and location results.

Preferably, before the step of matching the fault analysis and location model in the fault model library based on the fault keywords in the fault keyword set, it also includes:

Extract key features from the data in the fault keyword set, and obtain training data according to the extracted key features;

The generated training data is trained as a fault analysis and localization model, and a fault model library is generated.

Preferably, the step of processing the fault information to obtain the fault keyword set includes:

Carry out segmentation processing on the fault information to generate a segmentation set;

Select each word in the segmentation set, and when judging that there is a word matching the word in the word frequency dictionary; add the word to the failure keyword set, and add the word to the failure keyword set when the frequency of occurrence of the selected word is greater than the set frequency threshold.

It can be seen from the above technical solutions that the present invention has the following advantages: extracting fault information from the collected data packets and extracting keywords from the fault information, using the extracted keywords to perform fault analysis, improving the efficiency of fault analysis, greatly reducing the time for manual fault screening, and utilizing the established fault analysis and positioning model for fault analysis, improving the effectiveness and accuracy of fault analysis and positioning.

The monitoring point with the highest failure probability performs fault analysis without traversing all fault information in the power grid for analysis, reducing the number of faults for fault analysis, shortening the process of fault analysis, and improving the efficiency of analysis.

In addition, the design principle of the present invention is reliable, the structure is simple, and has very wide application prospects.

It can be seen that, compared with the prior art, the present invention has outstanding substantive features and remarkable progress, and the beneficial effects of its implementation are also obvious.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or prior art. Obviously, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative work.

Fig. 1 is a schematic block diagram of a system according to one embodiment of the present invention.

Fig. 2 is a schematic flowchart of a method according to an embodiment of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

As shown in Figure 1, an embodiment of the present invention provides a power failure analysis and location management system, including a management server and a number of monitoring terminals communicatively connected to the management server;

The monitoring terminal is connected to several monitoring points, and each monitoring point is equipped with an acquisition module and a status data sending module;

The monitoring terminal includes a processing module and a sending module;

The collection module is used to collect the status data of the power system;

The status data sending module is used to send the collected status data to the processing module of the monitoring terminal;

The processing module is used to process the received state data and output alarm information, and at the same time encapsulate the collected state data into a collection data packet;

The sending module is used to send the fault analysis request information corresponding to the collected data packets and the alarm information to the management server;

The management server includes a receiving module, an analyzing module, a searching module, and a calculation processing module;

The receiving module is used to receive the collection data packet and the fault analysis request information and send the received collection data packet to the calculation processing module and the analysis module;

An analysis module, configured to analyze the received fault analysis request information, and output the identification corresponding to the monitoring terminal that sends the fault analysis request information;

The search module is used to find out the information of the collection and monitoring point of the identification record corresponding to the monitoring terminal according to the identification;

The calculation and processing module is used to analyze and calculate the failure probability of each collection and monitoring point according to the received collection data packet, determine the collection and monitoring point with the highest failure probability, perform failure analysis on the failure of the collection and monitoring point with the highest failure probability, and output the failure analysis result. There is no need to traverse all fault information in the power grid for analysis, reducing the number of faults in fault analysis, shortening the process of fault analysis, and improving the efficiency of analysis.

In some embodiments, the monitoring terminal also includes a communication management module;

The communication management module is used to send contact request information carrying the identification of the monitoring terminal and the geographic location information of the monitoring terminal to the management server after the monitoring terminal accesses the management server.

In some embodiments, the management system also includes several power management service stations; the several power management service stations are respectively connected in communication with the management server; the management server also includes a management processing module;

The parsing module is also used to parse out the geographical location information and identification of the monitoring terminal according to the received contact request information after the fault analysis is completed;

The management processing module is used to determine the power management service station closest to the geographical location of the monitoring terminal according to the analyzed geographical location information of the monitoring terminal, and send a dispatch order to the power management service station.

In some embodiments, the management processing module is further configured to find corresponding fault analysis and diagnosis results based on the analyzed identification of the monitoring terminal and send them to the power management service station together with the labor dispatch order. The cause of the fault can be known without waiting for technicians to arrive at the fault site, which can save a lot of workload, and improve the efficiency of fault analysis and maintenance by sending fault analysis and diagnosis results.

In some embodiments, the management server includes a fault information acquisition module, a fault information processing module, a selection module, and a fault analysis and location module;

A fault information acquisition module, configured to obtain fault information according to the received collection data packet;

The fault information processing module is used to process the fault information to obtain a fault keyword set; it should be noted that the fault information processing module includes a processing unit and a set generating unit;

The processing unit is used to segment the fault information to generate a segmented set; the set generation unit is used to select each word in the segmented set, and when it is judged that there is a word matching the word in the word frequency dictionary; the word is added to the fault keyword set, and it is also used to judge that when the frequency of occurrence of the selected word is greater than the set frequency threshold, the word is added to the fault keyword set.

The selection module is used to match the fault analysis and location model in the fault model library based on the fault keywords in the fault keyword set;

The fault analysis and location module is configured to use the selected fault analysis and location model to perform fault analysis and processing to obtain a fault analysis and location result. The fault analysis and positioning model is used for analysis and positioning, which improves the efficiency.

In some embodiments, the management server includes a training data generation module and a fault analysis and localization model generation module;

The training data generation module is used to extract key features from the data in the failure keyword set, and obtain training data according to the extracted key features;

The fault analysis and location model generating module is used to train the generated training data as a fault analysis and location model and generate a fault model library.

As shown in Figure 2, the embodiment of the present invention provides a power failure analysis and location management method, which is applied to the power failure analysis and location management system described in the above embodiment, and the method includes the following steps:

S1: collect the status data of the power system;

S2: Send the collected status data to the processing module of the monitoring terminal;

S3: Process the received status data and output alarm information, and at the same time encapsulate the collected status data into a collection data packet;

S4: Send the collected data packets and the fault analysis request information corresponding to the alarm information to the management server;

S5: Receive the collection data packet and the fault analysis request information and send the received collection data packet to the calculation processing module;

S6: Analyze the received fault analysis request information, and output the identification corresponding to the monitoring terminal that sent the fault analysis request information;

S7: find out the information of the collection and monitoring point corresponding to the identification record of the monitoring terminal according to the identification;

S8: Analyze and calculate the failure probability of each collection and monitoring point according to the received collection data packet, determine the collection and monitoring point with the highest failure probability, perform failure analysis on the failure of the collection and monitoring point with the highest failure probability, and output the failure analysis result.

In some embodiments, step S1, before the step of collecting state data of the power system, further includes:

S0: After the monitoring terminal accesses the management server, it sends a contact request message carrying the identification of the monitoring terminal and the geographic location information of the monitoring terminal to the management server.

In some embodiments, the method also includes the steps of:

S9: After the failure analysis is completed, analyze the geographical location information and identification of the monitoring terminal according to the received contact request information;

S10: According to the analyzed geographical location information of the monitoring terminal, determine the power management service station closest to the geographical location of the monitoring terminal, and send a task order to the power management service station. It should be noted that, according to the analyzed identification of the monitoring terminal and the corresponding fault analysis and diagnosis results found, they are sent to the power management service station together with the labor dispatch order. The cause of the fault can be known without waiting for technicians to arrive at the fault site, which can save a lot of workload, and improve the efficiency of fault analysis and maintenance by sending fault analysis and diagnosis results.

In some embodiments, the specific steps of step S8 include:

S81: Obtain fault information according to the received collection data packets, calculate the failure probability of each collection and monitoring point, and determine the collection and monitoring point with the highest failure probability;

S82: Process the fault information to obtain a fault keyword set;

S83: Based on the fault keywords in the fault keyword set, match the fault analysis and location model in the fault model library;

S84: Use the selected fault analysis and location model to perform fault analysis and processing on the collection and monitoring point with the highest fault probability, and obtain a fault analysis and location result.

It should be noted that, before the step of matching the fault analysis and location model in the fault model library based on the fault keywords in the fault keyword set in S83, it also includes:

S8-23-1: Extract key features from the data in the failure keyword set, and obtain training data according to the extracted key features;

S8-23-2: Train the generated training data as a fault analysis and location model, and generate a fault model library.

In addition, in step S82, the step of processing the fault information to obtain the fault keyword set includes:

S821: Perform segmentation processing on the fault information to generate a segmentation set;

S822: Select each word in the segmentation set, and when it is judged that there is a word matching the word in the word frequency dictionary; add the word to the failure keyword set, and add the word to the failure keyword set when the frequency of occurrence of the selected word is greater than the set frequency threshold.

Although the present invention has been described in detail in conjunction with preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, those skilled in the art can make various equivalent modifications or replacements to the embodiments of the present invention, and these modifications or replacements should be within the scope of the present invention/Any person familiar with the technical field can easily think of changes or replacements within the technical scope disclosed in the present invention, and should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (8)

1. A power failure analysis and location management system, characterized in that it comprises a management server and several monitoring terminals connected with the management server in communication; The monitoring terminal is connected to several monitoring points, and each monitoring point is equipped with an acquisition module and a status data sending module; the monitoring terminal includes a processing module and a sending module; The collection module is used to collect the status data of the power system; The status data sending module is used to send the collected status data to the processing module of the monitoring terminal; The processing module is used to process the received state data and output alarm information, and at the same time encapsulate the collected state data into a collection data packet; The sending module is used to send the fault analysis request information corresponding to the collected data packets and the alarm information to the management server; The management server includes a receiving module, an analysis module, a search module, a calculation processing module, a fault information acquisition module, a fault information processing module, a selection module, a fault analysis and location module, a training data generation module and a fault analysis and location model generation module; The receiving module is used to receive the collection data packet and the fault analysis request information and send the received collection data packet to the calculation processing module and the analysis module; An analysis module, configured to analyze the received fault analysis request information, and output the identification corresponding to the monitoring terminal that sends the fault analysis request information; The search module is used to find out the information of the collection and monitoring point of the identification record corresponding to the monitoring terminal according to the identification; The calculation processing module is used to analyze and calculate the failure probability of each collection and monitoring point according to the received collection data packet, determine the collection and monitoring point with the highest failure probability, perform failure analysis on the failure of the collection and monitoring point with the highest failure probability, and output the failure analysis result; A fault information acquisition module, configured to obtain fault information according to the received collection data packet; The fault information processing module is used to process the fault information to obtain a set of fault keywords; The selection module is used to match the fault analysis and location model in the fault model library based on the fault keywords in the fault keyword set; The fault analysis and location module is used to use the selected fault analysis and location model to perform fault analysis and processing to obtain a fault analysis and location result; The training data generation module is used to extract key features from the data in the failure keyword set, and obtain training data according to the extracted key features; The fault analysis and location model generating module is used to train the generated training data as a fault analysis and location model and generate a fault model library. 2. power failure analysis and location management system according to claim 1, it is characterized in that, monitoring terminal also comprises communication management module; For after monitoring terminal access management server, send to management server the contact request information that carries the identification of monitoring terminal, the geographical location information of monitoring terminal. 3. The power failure analysis and location management system according to claim 2, characterized in that, the management system also includes several power management service stations; several power management service stations are respectively connected to the management server by communication; the management server also includes a management processing module; The parsing module is also used to parse out the geographical location information and identification of the monitoring terminal according to the received contact request information after the fault analysis is completed; The management processing module is used to determine the power management service station closest to the geographical location of the monitoring terminal according to the analyzed geographical location information of the monitoring terminal, and send a dispatch order to the power management service station. 4. The power failure analysis and location management system according to claim 3, wherein the management processing module is also used to find the corresponding failure analysis and diagnosis results based on the analyzed monitoring terminal identification and send them to the power management service station together with the dispatch task list. 5. The power fault analysis and location management system according to claim 4, wherein the fault information processing module includes a processing unit and a set generating unit; A processing unit, configured to segment and process the fault information to generate a segment set; The set generation unit is used to select each word in the segmentation set, and when it is judged that there is a word matching the word in the word frequency dictionary; the word is added to the failure keyword set, and when the frequency of occurrence of the selected word is greater than the set frequency threshold, the word is added to the failure keyword set. 6. A power failure analysis and location management method, characterized in that it is applied to the power failure analysis and location management system according to claim 1, the method comprising the steps of: Collect status data of the power system; Send the collected status data to the processing module of the monitoring terminal; Process the received status data and output alarm information, and at the same time encapsulate the collected status data into the collection data packet; Send the collected data packets and the fault analysis request information corresponding to the alarm information to the management server; Receive the collection data packet and the fault analysis request information and send the received collection data packet to the calculation processing module; Analyzing the received fault analysis request information, and outputting the identifier corresponding to the monitoring terminal that sent the fault analysis request information; According to the identification, find out the information of the collection monitoring point corresponding to the identification record of the monitoring terminal; Analyze and calculate the failure probability of each collection and monitoring point according to the received collection data packet, determine the collection and monitoring point with the highest failure probability, perform fault analysis on the failure of the collection and monitoring point with the highest failure probability, and output the failure analysis result. 7. The power failure analysis and location management method according to claim 6, characterized in that, before the step of collecting the state data of the power system, it also includes: After the monitoring terminal accesses the management server, it sends contact request information carrying the identification of the monitoring terminal and the geographic location information of the monitoring terminal to the management server. 8. The power failure analysis and location management method according to claim 7, characterized in that, according to the received collection data packet analysis and calculation of the failure probability of each collection and monitoring point, determine the maximum collection and monitoring point of failure probability, carry out failure analysis to the maximum collection and monitoring point failure of failure probability and output the step of failure analysis result and also include: After the fault analysis is completed, analyze the geographical location information and identification of the monitoring terminal according to the received contact request information; According to the analyzed geographical location information of the monitoring terminal, determine the power management service station closest to the geographical location of the monitoring terminal, and send a task order to the power management service station.