Fault monitoring and management system for low-voltage power distribution network

Abstract

The invention discloses a low-voltage power distribution network fault monitoring management system, which belongs to the technical field of low-voltage power distribution networks and comprises a data acquisition module used for acquiring current, voltage, power and temperature data of each node of a low-voltage power distribution network and determining real-time data of the low-voltage power distribution network; the data transmission module is used for transmitting real-time data of the low-voltage power distribution network; and the monitoring management platform is used for carrying out processing, fault analysis and monitoring management on the real-time data of the low-voltage power distribution network. According to the invention, the problem that the low-voltage distribution network is poor in operation safety and reliability due to the fact that the operation fault of the low-voltage distribution network cannot be monitored in real time, the fault condition of the low-voltage distribution network cannot be known in time and the fault condition of the low-voltage distribution network cannot be managed in time in the prior art is solved. According to the invention, the low-voltage power distribution network operation fault can be monitored in real time, the fault condition of the low-voltage power distribution network can be known in time, the fault condition of the low-voltage power distribution network can be managed in time, and the operation safety and reliability of the low-voltage power distribution network can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of low-voltage distribution network, and in particular to a low-voltage distribution network fault monitoring and management system. Background Art

[0002] A distribution network refers to an electric power grid that receives electric energy from a transmission network or a regional power plant, and distributes it locally or step by step according to voltage to various types of users through distribution facilities. It is a network composed of overhead lines, cables, towers, distribution transformers, disconnectors, reactive power compensators and some ancillary facilities, and plays an important role in distributing electric energy in the power grid. Among them, low-voltage distribution network lines are relatively long, the nature of the connected loads is complex, and the paths are messy. Sometimes, due to external damage, user equipment maintenance, capacitive load influence or improper operation, various short circuits or grounding faults may occur, resulting in power outages.

[0003] The Chinese patent with publication number CN110739774A discloses an Internet of Things system for a low-voltage distribution network, including an intelligent distribution transformer terminal, a concentrator, a collection main station and several smart meters. The intelligent distribution transformer terminal is connected to the concentrator and the collection main station respectively, and the concentrator is connected to the smart meter. A first carrier module is arranged in the concentrator, and a second carrier module is arranged in the smart meter, wherein: the concentrator is used to obtain dynamic network topology information of the carrier communication network; the intelligent distribution transformer terminal is used to receive and transmit the dynamic network topology information to the collection main station; the collection main station is used to determine the current communication quality status of the network communication node according to the dynamic network topology information. It can minimize the layout of new equipment, save equipment cost and construction cost, and is safe and reliable. In addition, based on the information interaction between the intelligent distribution transformer terminal and the smart meter, it is possible to analyze and determine the communication quality status of the network communication node; however, the patent has the following defects:

[0004] The existing low-voltage distribution network cannot be monitored in real time for operating faults, cannot understand the fault conditions of the low-voltage distribution network in a timely manner, and cannot manage the fault conditions of the low-voltage distribution network in a timely manner, resulting in poor operating safety and reliability of the low-voltage distribution network. Summary of the invention

[0005] The purpose of the present invention is to provide a low-voltage distribution network fault monitoring and management system, which can monitor the operation faults of the low-voltage distribution network in real time, timely understand the fault conditions of the low-voltage distribution network, and timely manage the fault conditions of the low-voltage distribution network, thereby improving the operation safety and reliability of the low-voltage distribution network and solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A low voltage distribution network fault monitoring and management system, comprising:

[0008] The data acquisition module is used to collect the current, voltage, power and temperature data of each node of the low-voltage distribution network and determine the real-time data of the low-voltage distribution network based on the Internet of Things;

[0009] Data transmission module, used to transmit real-time data of low-voltage distribution network based on the Internet of Things, and establish a data transmission link between the data acquisition module and the monitoring and management platform;

[0010] The monitoring and management platform is used to process real-time data of low-voltage distribution networks based on the Internet of Things, conduct fault analysis and monitoring management, and then intelligently manage low-voltage distribution network faults.

[0011] Preferably, the data acquisition module comprises:

[0012] A current acquisition unit, used to collect current data of the low-voltage distribution network;

[0013] Among them, current sensors are installed in each node of the low-voltage distribution network, and the current conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the current sensors to determine the current data of the low-voltage distribution network in operation;

[0014] Voltage collection unit, used to collect voltage data of low-voltage distribution network;

[0015] Among them, voltage sensors are installed in each node of the low-voltage distribution network, and the voltage conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the voltage sensors to determine the voltage data of the low-voltage distribution network in operation;

[0016] Power collection unit, used to collect power data of low-voltage distribution network;

[0017] Among them, power sensors are installed in each node of the low-voltage distribution network, and the power conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the power sensors, so as to determine the power data of the low-voltage distribution network in operation;

[0018] Temperature collection unit, used to collect temperature data of low-voltage distribution network;

[0019] Among them, the temperature sensor is installed in each node of the low-voltage distribution network, and the temperature conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the temperature sensor to determine the temperature data of the low-voltage distribution network in operation;

[0020] Among them, based on the low-voltage distribution network current data, low-voltage distribution network voltage data, low-voltage distribution network power data and low-voltage distribution network temperature data, the real-time data of the low-voltage distribution network based on the Internet of Things is determined.

[0021] Preferably, the data transmission module includes:

[0022] A data transmission unit, used to transmit real-time data of low-voltage distribution network based on the Internet of Things;

[0023] A data receiving unit, used for receiving real-time data of low-voltage distribution network based on the Internet of Things;

[0024] According to the low-voltage distribution network fault monitoring and management requirements, a data transmission link is established between the data transmitting unit and the data receiving unit;

[0025] The data transmitting unit receives the real-time data of the low-voltage distribution network based on the Internet of Things transmitted from the data acquisition module. After the data transmitting unit receives the real-time data of the low-voltage distribution network based on the Internet of Things, the data transmitting unit transmits the real-time data of the low-voltage distribution network based on the Internet of Things to the data receiving unit;

[0026] Among them, the data receiving unit receives the real-time data of the low-voltage distribution network based on the Internet of Things transmitted from the data transmitting unit. After the data receiving unit receives the real-time data of the low-voltage distribution network based on the Internet of Things, the data receiving unit transmits the real-time data of the low-voltage distribution network based on the Internet of Things to the monitoring and management platform.

[0027] Preferably, a data transmission link is established between the data transmitting unit and the data receiving unit, and the following operations are performed:

[0028] The data transmitting unit transmits an instruction requesting to establish a data transmission link to the data receiving unit;

[0029] The data receiving unit receives the instruction transmitted by the data transmitting unit requesting to establish a data transmission link, and the data receiving unit checks its own data transmission channel;

[0030] Among them, when there is an idle data transmission channel in the data receiving unit, the data receiving unit transmits an instruction to agree to establish a data transmission link to the data transmitting unit; the data transmitting unit receives the instruction transmitted by the data receiving unit to agree to establish a data transmission link, and the data transmitting unit establishes a data transmission link with the data receiving unit based on the instruction transmitted by the data receiving unit to agree to establish a data transmission link, so that real-time data of the low-voltage distribution network based on the Internet of Things can be reliably transmitted;

[0031] Among them, when the data receiving unit does not have an idle data transmission channel, the data receiving unit transmits an instruction to the data transmitting unit that it does not agree to establish a data transmission link; when the data transmitting unit receives the instruction transmitted by the data receiving unit that it does not agree to establish a data transmission link, the data transmitting unit queues and waits until the data receiving unit has an idle data transmission channel and establishes a data transmission link with the data receiving unit.

[0032] Preferably, the monitoring management platform includes:

[0033] A data processing module is used to process the real-time data of the low-voltage distribution network based on the Internet of Things, and determine the characteristic data of the low-voltage distribution network based on the Internet of Things;

[0034] A fault analysis module is used to analyze low-voltage distribution network faults and determine the low-voltage distribution network fault analysis results based on the Internet of Things;

[0035] The monitoring and management module is used to formulate an intelligent management plan for low-voltage distribution network faults and to perform intelligent management of low-voltage distribution network faults.

[0036] Preferably, the data processing module includes:

[0037] A data cleaning unit is used to clean the real-time data of the low-voltage distribution network based on the Internet of Things;

[0038] Obtain real-time data of low-voltage distribution network based on IoT;

[0039] Conduct consistency checks on real-time data of low-voltage distribution networks based on the Internet of Things;

[0040] According to the reasonable value range and mutual relationship of each parameter in the real-time data of the low-voltage distribution network based on the Internet of Things, check whether the real-time data of the low-voltage distribution network based on the Internet of Things meets the requirements;

[0041] Remove inconsistent data that is beyond the normal range, logically unreasonable or contradictory in the real-time data of the low-voltage distribution network based on the Internet of Things;

[0042] Process invalid and missing values ​​of real-time data of low-voltage distribution network based on IoT;

[0043] Check each parameter in the real-time data of the low-voltage distribution network based on the Internet of Things one by one to determine whether it is an invalid value or a missing value;

[0044] Remove invalid or missing data that is of no value to low-voltage distribution network fault monitoring and management in the real-time data of low-voltage distribution network based on the Internet of Things;

[0045] Determine the real-time data of low-voltage distribution network that is valuable for fault monitoring and management of low-voltage distribution network.

[0046] Preferably, the data processing module further includes:

[0047] A data conversion unit, used for converting the cleaned real-time data of the low-voltage distribution network;

[0048] Obtaining real-time data of low-voltage distribution network that is valuable for fault monitoring and management of low-voltage distribution network after cleaning;

[0049] Convert the real-time data of low-voltage distribution network which is valuable for fault monitoring and management of low-voltage distribution network;

[0050] Eliminate the dimensional differences between the low-voltage distribution network real-time data that are valuable for low-voltage distribution network fault monitoring and management, and determine the data-standardized low-voltage distribution network real-time data;

[0051] A feature extraction unit, used for extracting features from the converted real-time data of the low-voltage distribution network;

[0052] Obtaining real-time data of low-voltage distribution network after conversion and data standardization;

[0053] Extract features from the real-time data of the low-voltage distribution network with data standardization;

[0054] Extract features that can reflect the fault monitoring and management of low-voltage distribution networks;

[0055] Determine the characteristic data of low-voltage distribution network based on the Internet of Things.

[0056] Preferably, the fault analysis module includes:

[0057] A data storage unit, used for storing low voltage distribution network threshold data;

[0058] According to the low-voltage distribution network fault monitoring and management requirements, the low-voltage distribution network threshold data is pre-set, and the pre-set low-voltage distribution network threshold data is stored for backup;

[0059] An index retrieval unit, used for indexing and retrieving low-voltage distribution network threshold data;

[0060] According to the low-voltage distribution network fault monitoring and management requirements, the stored low-voltage distribution network threshold data is indexed, and the indexed low-voltage distribution network threshold data is retrieved;

[0061] A fault analysis unit, used to analyze low voltage distribution network faults;

[0062] Obtain characteristic data of low-voltage distribution network based on the Internet of Things;

[0063] Based on the low-voltage distribution network threshold data, the characteristic data of the low-voltage distribution network is compared and analyzed to determine the fault conditions of each node in the low-voltage distribution network;

[0064] Determine the results of low-voltage distribution network fault analysis based on the Internet of Things.

[0065] Preferably, based on the low-voltage distribution network threshold data, the low-voltage distribution network characteristic data is compared and analyzed, including:

[0066] When the characteristic data of the low-voltage distribution network is within the range of the threshold data of the low-voltage distribution network, the fault analysis result of the low-voltage distribution network based on the Internet of Things is that there is no fault behavior in the low-voltage distribution network;

[0067] When the characteristic data of the low-voltage distribution network is not within the low-voltage distribution network threshold data range, the low-voltage distribution network fault analysis result based on the Internet of Things is that there is a fault behavior in the low-voltage distribution network.

[0068] Preferably, the monitoring management module includes:

[0069] A plan-making unit, used to formulate intelligent management plans for low-voltage distribution network faults;

[0070] Obtain low-voltage distribution network fault analysis results based on the Internet of Things;

[0071] According to the low-voltage distribution network fault analysis results based on the Internet of Things, the characteristic data of the low-voltage distribution network is mined and analyzed to determine the intelligent management plan for low-voltage distribution network faults;

[0072] Intelligent management unit, used for intelligent management of low-voltage distribution network faults;

[0073] Obtain intelligent management solutions for low-voltage distribution network faults;

[0074] Intelligent management of low-voltage distribution network faults based on the low-voltage distribution network fault intelligent management solution;

[0075] Among them, timely warning is given to low-voltage distribution network faults, and low-voltage distribution network fault warning information is transmitted to low-voltage distribution network managers through the Web or mobile terminal, so that the low-voltage distribution network managers can timely understand the operating status and fault causes of the low-voltage distribution network, take control measures in time, and intelligently guide the low-voltage distribution network managers to carry out timely maintenance and management of low-voltage distribution network faults, and eliminate low-voltage distribution network faults in time.

[0076] Compared with the prior art, the present invention has the following beneficial effects:

[0077] The present invention determines the real-time data of the low-voltage distribution network based on the Internet of Things by collecting the current, voltage, power and temperature data of each node of the low-voltage distribution network, determines the characteristic data of the low-voltage distribution network by processing the real-time data of the low-voltage distribution network, compares and analyzes the characteristic data of the low-voltage distribution network based on the threshold data of the low-voltage distribution network, judges the fault conditions of each node of the low-voltage distribution network, determines the fault analysis results of the low-voltage distribution network, formulates the intelligent management plan of the low-voltage distribution network fault based on the fault analysis results of the low-voltage distribution network, intelligently manages the faults of the low-voltage distribution network, can monitor the operation faults of the low-voltage distribution network in real time, can timely understand the fault conditions of the low-voltage distribution network, can timely manage the fault conditions of the low-voltage distribution network, and can improve the operational safety and reliability of the low-voltage distribution network. BRIEF DESCRIPTION OF THE DRAWINGS

[0078] Figure 1 It is a structural block diagram of the low-voltage distribution network fault monitoring and management system of the present invention;

[0079] Figure 2 The present invention is an algorithm flow chart of the low-voltage distribution network fault monitoring and management system. DETAILED DESCRIPTION

[0080] 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.

[0081] In order to solve the existing problems of being unable to monitor low-voltage distribution network operation faults in real time, being unable to timely understand low-voltage distribution network fault conditions, and being unable to timely manage low-voltage distribution network fault conditions, resulting in poor safety and reliability of low-voltage distribution network operation, please refer to Figure 1-Figure 2 , this embodiment provides the following technical solutions:

[0082] A low-voltage distribution network fault monitoring and management system, comprising: a data acquisition module, a data transmission module and a monitoring and management platform;

[0083] It should be noted that the current, voltage, power and temperature data of each node in the low-voltage distribution network are collected through the data acquisition module to determine the real-time data of the low-voltage distribution network; the real-time data of the low-voltage distribution network based on the Internet of Things is transmitted through the data transmission module; the real-time data of the low-voltage distribution network is processed, fault analyzed and monitored and managed through the monitoring and management platform, and the operating faults of the low-voltage distribution network can be monitored in real time, the fault conditions of the low-voltage distribution network can be understood in time, and the fault conditions of the low-voltage distribution network can be managed in time, which can improve the operating safety and reliability of the low-voltage distribution network.

[0084] Among them, the data acquisition module is used to collect the current, voltage, power and temperature data of each node of the low-voltage distribution network, and determine the real-time data of the low-voltage distribution network based on the Internet of Things;

[0085] In this embodiment, the data acquisition module includes:

[0086] A current acquisition unit, used to collect current data of the low-voltage distribution network;

[0087] Among them, current sensors are installed in each node of the low-voltage distribution network, and the current conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the current sensors, so as to determine the current data of the low-voltage distribution network in operation;

[0088] Voltage collection unit, used to collect voltage data of low-voltage distribution network;

[0089] Among them, voltage sensors are installed in each node of the low-voltage distribution network, and the voltage conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the voltage sensors, so as to determine the voltage data of the low-voltage distribution network in operation;

[0090] Power collection unit, used to collect power data of low-voltage distribution network;

[0091] Among them, power sensors are installed in each node of the low-voltage distribution network, and the power conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the power sensors, so as to determine the power data of the low-voltage distribution network in operation;

[0092] Temperature collection unit, used to collect temperature data of low-voltage distribution network;

[0093] Among them, the temperature sensor is installed in each node of the low-voltage distribution network, and the temperature conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the temperature sensor, so as to determine the temperature data of the low-voltage distribution network in operation;

[0094] Among them, based on the low-voltage distribution network current data, low-voltage distribution network voltage data, low-voltage distribution network power data and low-voltage distribution network temperature data, the real-time data of the low-voltage distribution network based on the Internet of Things is determined.

[0095] Among them, the data transmission module is used to transmit the real-time data of the low-voltage distribution network based on the Internet of Things and establish a data transmission link between the data acquisition module and the monitoring and management platform;

[0096] In this embodiment, the data transmission module includes:

[0097] A data transmission unit, used to transmit real-time data of low-voltage distribution network based on the Internet of Things;

[0098] A data receiving unit, used for receiving real-time data of low-voltage distribution network based on the Internet of Things;

[0099] According to the low-voltage distribution network fault monitoring and management requirements, a data transmission link is established between the data transmitting unit and the data receiving unit;

[0100] The data transmitting unit receives the real-time data of the low-voltage distribution network based on the Internet of Things transmitted from the data acquisition module. After the data transmitting unit receives the real-time data of the low-voltage distribution network based on the Internet of Things, the data transmitting unit transmits the real-time data of the low-voltage distribution network based on the Internet of Things to the data receiving unit;

[0101] Among them, the data receiving unit receives the real-time data of the low-voltage distribution network based on the Internet of Things transmitted from the data transmitting unit. After the data receiving unit receives the real-time data of the low-voltage distribution network based on the Internet of Things, the data receiving unit transmits the real-time data of the low-voltage distribution network based on the Internet of Things to the monitoring and management platform.

[0102] Specifically, a data transmission link is established between the data transmitting unit and the data receiving unit, and the following operations are performed:

[0103] The data transmitting unit transmits an instruction requesting to establish a data transmission link to the data receiving unit;

[0104] The data receiving unit receives the instruction transmitted by the data transmitting unit requesting to establish a data transmission link, and the data receiving unit checks its own data transmission channel;

[0105] Among them, when there is an idle data transmission channel in the data receiving unit, the data receiving unit transmits an instruction to agree to establish a data transmission link to the data transmitting unit; the data transmitting unit receives the instruction transmitted by the data receiving unit to agree to establish a data transmission link, and the data transmitting unit establishes a data transmission link with the data receiving unit based on the instruction transmitted by the data receiving unit to agree to establish a data transmission link, so that real-time data of the low-voltage distribution network based on the Internet of Things can be reliably transmitted;

[0106] Among them, when the data receiving unit does not have an idle data transmission channel, the data receiving unit transmits an instruction to the data transmitting unit that it does not agree to establish a data transmission link; when the data transmitting unit receives the instruction transmitted by the data receiving unit that it does not agree to establish a data transmission link, the data transmitting unit queues and waits until the data receiving unit has an idle data transmission channel and establishes a data transmission link with the data receiving unit.

[0107] Among them, the monitoring and management platform is used to process real-time data of the low-voltage distribution network based on the Internet of Things, analyze faults and monitor and manage them, and then intelligently manage low-voltage distribution network faults.

[0108] In this embodiment, the monitoring management platform includes: a data processing module, a fault analysis module and a monitoring management module;

[0109] It should be noted that the real-time data of the low-voltage distribution network is processed through the data processing module to determine the characteristic data of the low-voltage distribution network; the fault analysis module is used to analyze the fault of the low-voltage distribution network to determine the analysis results of the low-voltage distribution network fault; the monitoring and management module is used to formulate an intelligent management plan for the low-voltage distribution network fault, and the low-voltage distribution network fault is intelligently managed.

[0110] Among them, the data processing module is used to process the real-time data of the low-voltage distribution network based on the Internet of Things, and determine the characteristic data of the low-voltage distribution network based on the Internet of Things;

[0111] In this embodiment, the data processing module includes:

[0112] A data cleaning unit is used to clean the real-time data of the low-voltage distribution network based on the Internet of Things;

[0113] Obtain real-time data of low-voltage distribution network based on IoT;

[0114] Conduct consistency checks on real-time data of low-voltage distribution networks based on the Internet of Things;

[0115] According to the reasonable value range and mutual relationship of each parameter in the real-time data of the low-voltage distribution network based on the Internet of Things, check whether the real-time data of the low-voltage distribution network based on the Internet of Things meets the requirements;

[0116] Remove inconsistent data that is beyond the normal range, logically unreasonable or contradictory in the real-time data of the low-voltage distribution network based on the Internet of Things;

[0117] Process invalid and missing values ​​of real-time data of low-voltage distribution network based on IoT;

[0118] Check each parameter in the real-time data of the low-voltage distribution network based on the Internet of Things one by one to determine whether it is an invalid value or a missing value;

[0119] Remove invalid or missing data that is of no value to low-voltage distribution network fault monitoring and management in the real-time data of low-voltage distribution network based on the Internet of Things;

[0120] Determine the real-time data of low-voltage distribution network that is valuable for fault monitoring and management of low-voltage distribution network;

[0121] A data conversion unit, used for converting the cleaned real-time data of the low-voltage distribution network;

[0122] Obtaining real-time data of low-voltage distribution network that is valuable for fault monitoring and management of low-voltage distribution network after cleaning;

[0123] Convert the real-time data of low-voltage distribution network which is valuable for fault monitoring and management of low-voltage distribution network;

[0124] Eliminate the dimensional differences between the low-voltage distribution network real-time data that are valuable for low-voltage distribution network fault monitoring and management, and determine the data-standardized low-voltage distribution network real-time data;

[0125] A feature extraction unit, used for extracting features from the converted real-time data of the low-voltage distribution network;

[0126] Obtaining real-time data of low-voltage distribution network after conversion and data standardization;

[0127] Extract features from the real-time data of the low-voltage distribution network with data standardization;

[0128] Extract features that can reflect the fault monitoring and management of low-voltage distribution networks;

[0129] Determine the characteristic data of low-voltage distribution network based on the Internet of Things.

[0130] Among them, the fault analysis module is used to analyze the low-voltage distribution network fault and determine the low-voltage distribution network fault analysis results based on the Internet of Things;

[0131] In this embodiment, the fault analysis module includes:

[0132] A data storage unit, used for storing low voltage distribution network threshold data;

[0133] According to the low-voltage distribution network fault monitoring and management requirements, the low-voltage distribution network threshold data is pre-set, and the pre-set low-voltage distribution network threshold data is stored for backup;

[0134] An index retrieval unit, used for indexing and retrieving low-voltage distribution network threshold data;

[0135] According to the low-voltage distribution network fault monitoring and management requirements, the stored low-voltage distribution network threshold data is indexed, and the indexed low-voltage distribution network threshold data is retrieved;

[0136] A fault analysis unit, used to analyze low voltage distribution network faults;

[0137] Obtain characteristic data of low-voltage distribution network based on the Internet of Things;

[0138] Based on the low-voltage distribution network threshold data, the characteristic data of the low-voltage distribution network is compared and analyzed to determine the fault conditions of each node in the low-voltage distribution network;

[0139] Determine the results of IoT-based low-voltage distribution network fault analysis.

[0140] Among them, when the characteristic data of the low-voltage distribution network is within the low-voltage distribution network threshold data range, the low-voltage distribution network fault analysis result based on the Internet of Things is that there is no fault behavior in the low-voltage distribution network;

[0141] Among them, when the characteristic data of the low-voltage distribution network is not within the threshold data range of the low-voltage distribution network, the fault analysis result of the low-voltage distribution network based on the Internet of Things is that there is a fault behavior in the low-voltage distribution network.

[0142] Among them, the monitoring and management module is used to formulate an intelligent management plan for low-voltage distribution network faults and to perform intelligent management of low-voltage distribution network faults.

[0143] In this embodiment, the monitoring management module includes:

[0144] A plan-making unit, used to formulate intelligent management plans for low-voltage distribution network faults;

[0145] Obtain low-voltage distribution network fault analysis results based on the Internet of Things;

[0146] According to the low-voltage distribution network fault analysis results based on the Internet of Things, the characteristic data of the low-voltage distribution network is mined and analyzed to determine the intelligent management plan for low-voltage distribution network faults;

[0147] Intelligent management unit, used for intelligent management of low-voltage distribution network faults;

[0148] Obtain intelligent management solutions for low-voltage distribution network faults;

[0149] Based on the intelligent management solution for low-voltage distribution network faults, intelligent management is performed on low-voltage distribution network faults; among them, timely warnings are given to low-voltage distribution network faults, and low-voltage distribution network fault warning information is transmitted to low-voltage distribution network managers through the Web or mobile terminal, so that low-voltage distribution network managers can timely understand the operating status and fault causes of the low-voltage distribution network, take control measures in time, and intelligently guide low-voltage distribution network managers to perform timely maintenance and management of low-voltage distribution network faults, and resolve low-voltage distribution network faults in time.

[0150] 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.

[0151] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low voltage distribution network fault monitoring and management system, characterized in that: include: The data acquisition module is used to collect the current, voltage, power and temperature data of each node of the low-voltage distribution network and determine the real-time data of the low-voltage distribution network based on the Internet of Things; Data transmission module, used to transmit real-time data of low-voltage distribution network based on the Internet of Things, and establish a data transmission link between the data acquisition module and the monitoring and management platform; The monitoring and management platform is used to process real-time data of low-voltage distribution networks based on the Internet of Things, conduct fault analysis and monitoring management, and to intelligently manage low-voltage distribution network faults.

2. A low voltage distribution network fault monitoring and management system according to claim 1, characterized in that: The data acquisition module comprises: A current acquisition unit, used to collect current data of the low-voltage distribution network; Among them, current sensors are installed in each node of the low-voltage distribution network, and the current conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the current sensors to determine the current data of the low-voltage distribution network in operation; Voltage collection unit, used to collect voltage data of low-voltage distribution network; Among them, voltage sensors are installed in each node of the low-voltage distribution network, and the voltage conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the voltage sensors to determine the voltage data of the low-voltage distribution network in operation; Power collection unit, used to collect power data of low-voltage distribution network; Among them, power sensors are installed in each node of the low-voltage distribution network, and the power conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the power sensors, so as to determine the power data of the low-voltage distribution network in operation; Temperature collection unit, used to collect temperature data of low-voltage distribution network; Among them, the temperature sensor is installed in each node of the low-voltage distribution network, and the temperature conditions of each node of the low-voltage distribution network are monitored and obtained in real time based on the temperature sensor to determine the temperature data of the low-voltage distribution network in operation; Among them, based on the low-voltage distribution network current data, low-voltage distribution network voltage data, low-voltage distribution network power data and low-voltage distribution network temperature data, the real-time data of the low-voltage distribution network based on the Internet of Things is determined.

3. A low voltage distribution network fault monitoring and management system according to claim 2, characterized in that: The data transmission module comprises: A data transmission unit, used to transmit real-time data of low-voltage distribution network based on the Internet of Things; A data receiving unit, used for receiving real-time data of low-voltage distribution network based on the Internet of Things; According to the low-voltage distribution network fault monitoring and management requirements, a data transmission link is established between the data transmitting unit and the data receiving unit; The data transmitting unit receives the real-time data of the low-voltage distribution network based on the Internet of Things transmitted from the data acquisition module. After the data transmitting unit receives the real-time data of the low-voltage distribution network based on the Internet of Things, the data transmitting unit transmits the real-time data of the low-voltage distribution network based on the Internet of Things to the data receiving unit; Among them, the data receiving unit receives the real-time data of the low-voltage distribution network based on the Internet of Things transmitted from the data transmitting unit. After the data receiving unit receives the real-time data of the low-voltage distribution network based on the Internet of Things, the data receiving unit transmits the real-time data of the low-voltage distribution network based on the Internet of Things to the monitoring and management platform.

4. A low voltage distribution network fault monitoring and management system according to claim 3, characterized in that: To establish a data transmission link between the data transmitting unit and the data receiving unit, perform the following operations: The data transmitting unit transmits an instruction requesting to establish a data transmission link to the data receiving unit; The data receiving unit receives the instruction transmitted by the data transmitting unit requesting to establish a data transmission link, and the data receiving unit checks its own data transmission channel; Among them, when there is an idle data transmission channel in the data receiving unit, the data receiving unit transmits an instruction to agree to establish a data transmission link to the data transmitting unit; the data transmitting unit receives the instruction transmitted by the data receiving unit to agree to establish a data transmission link, and the data transmitting unit establishes a data transmission link with the data receiving unit based on the instruction transmitted by the data receiving unit to agree to establish a data transmission link, so that real-time data of the low-voltage distribution network based on the Internet of Things can be reliably transmitted; Among them, when the data receiving unit does not have an idle data transmission channel, the data receiving unit transmits an instruction to the data transmitting unit that it does not agree to establish a data transmission link; when the data transmitting unit receives the instruction transmitted by the data receiving unit that it does not agree to establish a data transmission link, the data transmitting unit queues and waits until the data receiving unit has an idle data transmission channel and establishes a data transmission link with the data receiving unit.

5. A low voltage distribution network fault monitoring and management system according to claim 4, characterized in that: The monitoring management platform includes: A data processing module is used to process the real-time data of the low-voltage distribution network based on the Internet of Things, and determine the characteristic data of the low-voltage distribution network based on the Internet of Things; A fault analysis module is used to analyze low-voltage distribution network faults and determine the low-voltage distribution network fault analysis results based on the Internet of Things; The monitoring and management module is used to formulate an intelligent management plan for low-voltage distribution network faults and to perform intelligent management of low-voltage distribution network faults.

6. A low voltage distribution network fault monitoring and management system according to claim 5, characterized in that: The data processing module comprises: A data cleaning unit is used to clean the real-time data of the low-voltage distribution network based on the Internet of Things; Obtain real-time data of low-voltage distribution network based on IoT; Conduct consistency checks on real-time data of low-voltage distribution networks based on the Internet of Things; According to the reasonable value range and mutual relationship of each parameter in the real-time data of the low-voltage distribution network based on the Internet of Things, check whether the real-time data of the low-voltage distribution network based on the Internet of Things meets the requirements; Remove inconsistent data that is beyond the normal range, logically unreasonable or contradictory in the real-time data of the low-voltage distribution network based on the Internet of Things; Process invalid and missing values ​​of real-time data of low-voltage distribution network based on IoT; Check each parameter in the real-time data of the low-voltage distribution network based on the Internet of Things one by one to determine whether it is an invalid value or a missing value; Remove invalid or missing data that is of no value to low-voltage distribution network fault monitoring and management in the real-time data of low-voltage distribution network based on the Internet of Things; Determine the real-time data of low-voltage distribution network that is valuable for fault monitoring and management of low-voltage distribution network.

7. A low voltage distribution network fault monitoring and management system according to claim 6, characterized in that: The data processing module further includes: A data conversion unit, used for converting the cleaned real-time data of the low-voltage distribution network; Obtaining real-time data of low-voltage distribution network that is valuable for fault monitoring and management of low-voltage distribution network after cleaning; Convert the real-time data of low-voltage distribution network which is valuable for fault monitoring and management of low-voltage distribution network; Eliminate the dimensional differences between the low-voltage distribution network real-time data that are valuable for low-voltage distribution network fault monitoring and management, and determine the data-standardized low-voltage distribution network real-time data; A feature extraction unit, used for extracting features from the converted real-time data of the low-voltage distribution network; Obtaining real-time data of low-voltage distribution network after conversion and data standardization; Extract features from the real-time data of the low-voltage distribution network with data standardization; Extract features that can reflect the fault monitoring and management of low-voltage distribution networks; Determine the characteristic data of low-voltage distribution network based on the Internet of Things.

8. A low voltage distribution network fault monitoring and management system according to claim 7, characterized in that: The fault analysis module comprises: A data storage unit, used for storing low voltage distribution network threshold data; According to the low-voltage distribution network fault monitoring and management requirements, the low-voltage distribution network threshold data is pre-set, and the pre-set low-voltage distribution network threshold data is stored for backup; An index retrieval unit, used for indexing and retrieving low-voltage distribution network threshold data; According to the low-voltage distribution network fault monitoring and management requirements, the stored low-voltage distribution network threshold data is indexed, and the indexed low-voltage distribution network threshold data is retrieved; A fault analysis unit, used to analyze low voltage distribution network faults; Obtain characteristic data of low-voltage distribution network based on the Internet of Things; Based on the low-voltage distribution network threshold data, the characteristic data of the low-voltage distribution network is compared and analyzed to determine the fault conditions of each node in the low-voltage distribution network; Determine the results of IoT-based low-voltage distribution network fault analysis.

9. A low voltage distribution network fault monitoring and management system according to claim 8, characterized in that: Based on the low-voltage distribution network threshold data, the low-voltage distribution network characteristic data is compared and analyzed, including: When the characteristic data of the low-voltage distribution network is within the range of the threshold data of the low-voltage distribution network, the fault analysis result of the low-voltage distribution network based on the Internet of Things is that there is no fault behavior in the low-voltage distribution network; When the characteristic data of the low-voltage distribution network is not within the low-voltage distribution network threshold data range, the low-voltage distribution network fault analysis result based on the Internet of Things is that there is a fault behavior in the low-voltage distribution network.

10. A low voltage distribution network fault monitoring and management system according to claim 9, characterized in that: The monitoring management module includes: A plan-making unit, used to formulate intelligent management plans for low-voltage distribution network faults; Obtain low-voltage distribution network fault analysis results based on the Internet of Things; According to the low-voltage distribution network fault analysis results based on the Internet of Things, the characteristic data of the low-voltage distribution network is mined and analyzed to determine the intelligent management plan for low-voltage distribution network faults; Intelligent management unit, used for intelligent management of low-voltage distribution network faults; Obtain intelligent management solutions for low-voltage distribution network faults; Intelligent management of low-voltage distribution network faults based on the low-voltage distribution network fault intelligent management solution; Among them, timely warning is given to low-voltage distribution network faults, and low-voltage distribution network fault warning information is transmitted to low-voltage distribution network managers through the Web or mobile terminal, so that the low-voltage distribution network managers can timely understand the operating status and fault causes of the low-voltage distribution network, quickly take control measures, and intelligently guide the low-voltage distribution network managers to perform real-time maintenance and management of low-voltage distribution network faults, and promptly eliminate low-voltage distribution network faults.

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