CN112000672A - Distributed power supply electric energy quality monitoring system - Google Patents
Distributed power supply electric energy quality monitoring system Download PDFInfo
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- CN112000672A CN112000672A CN202010863987.5A CN202010863987A CN112000672A CN 112000672 A CN112000672 A CN 112000672A CN 202010863987 A CN202010863987 A CN 202010863987A CN 112000672 A CN112000672 A CN 112000672A
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2465—Query processing support for facilitating data mining operations in structured databases
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2228—Indexing structures
- G06F16/2246—Trees, e.g. B+trees
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06395—Quality analysis or management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/80—Management or planning
- Y02P90/82—Energy audits or management systems therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The invention discloses a distributed power supply power quality monitoring system, which is characterized in that a target data acquisition module is used for acquiring working condition parameters of a distributed power supply and power quality parameters of the distributed power supply and transmitting the working condition parameters and the power quality parameters to a data storage module through a wireless data transmission channel; the data storage module adopts a block chain to store the working condition parameters and the electric energy quality parameters in the form of an MPT tree, and a large-capacity memory is not required to be configured on the premise of ensuring the data security; and then, the target working condition parameters and the target power quality parameters are mined in the block chain through the monitoring terminal according to the preset data mining requirements, and the target working condition parameters and the target power quality parameters are evaluated based on the preset evaluation model, so that the working condition evaluation results of the distributed power supply and the power quality evaluation results of the distributed power supply are improved, the accuracy of the evaluation results is improved, and the monitoring and evaluation of the power quality of the distributed power supply can be accurately, comprehensively and quickly realized.
Description
Technical Field
The invention relates to the field of power monitoring, in particular to a distributed power supply power quality monitoring system.
Background
Distributed Generation (DG) may have a potential impact on power quality after grid connection, and may cause problems such as frequency deviation, voltage fluctuation, voltage flicker, voltage imbalance, harmonic distortion, and dc injection. For example, when a photovoltaic power generation system is connected to a grid through a power electronic device, problems such as harmonic waves and unbalanced three-phase current can be generated, and the randomness of output power easily causes grid voltage fluctuation and flicker. The method has important significance for accurately and comprehensively carrying out comprehensive evaluation on the power quality to realize the internet surfing of the distributed power supply according to the quality-based pricing of the power quality.
Disclosure of Invention
The invention aims to provide a distributed power supply power quality monitoring system which can accurately, comprehensively and quickly realize monitoring and evaluation of the power quality of a distributed power supply.
In order to solve the above technical problem, the present invention provides a distributed power supply power quality monitoring system, including:
the target data acquisition module is used for acquiring working condition parameters of the distributed power supply and electric energy quality parameters of the distributed power supply and transmitting the working condition parameters and the electric energy quality parameters to the data storage module through a wireless data transmission channel;
the data storage module is connected with the target data acquisition module and is used for storing the working condition parameters and the electric energy quality parameters in an MPT tree mode by adopting a block chain;
the monitoring terminals are respectively connected with the target data acquisition module and the data storage module and are used for mining target working condition parameters and target electric energy quality parameters in the block chain according to preset data mining requirements, evaluating the target working condition parameters and the target electric energy quality parameters based on a preset evaluation model, outputting corresponding maintenance schemes according to the working condition evaluation results and the electric energy quality evaluation results, and regulating and controlling the working conditions of the target data acquisition module.
Optionally, the target data acquisition module is specifically implemented based on a sensor node, where the sensor node includes: a plurality of sensors, a processor connected to each of the sensors, a communicator connected to the processor, and a power source connected to the sensors, the processor, and the communicator, respectively;
the sensor is used for acquiring original working condition parameters of the distributed power supply and original power quality parameters of the distributed power supply and sending the original working condition parameters and the original power quality parameters to the processor;
the processor is used for controlling the acquisition work of the sensors, storing the original working condition parameters and the original electric energy quality parameters, executing preset processing script processing, fusing the original working condition parameters and the original electric energy quality parameters corresponding to the plurality of sensors to obtain original parameter fusion results, and controlling the communicator to send the original parameter fusion results to other sensor nodes.
Optionally, the wireless data transmission system further comprises a data transmission channel working condition monitoring module, which is arranged in each wireless data transmission channel and corresponds to the wireless data transmission channel one to one, and is used for monitoring the transmission state of the wireless data transmission channel.
Optionally, the wireless data transmission system further comprises data channel building modules which are arranged in the wireless data transmission channels and correspond to the wireless data transmission channels one to one, and the data channel building modules are used for building a new wireless data transmission channel to replace the wireless data transmission channel with a fault when the data transmission channel working condition monitoring module detects that the wireless data transmission channel has a fault.
Optionally, the monitoring terminal excavates target working condition parameters and target power quality parameters in the block chain according to preset data excavation requirements, and specifically includes:
and the monitoring terminal synchronously carries out a plurality of tasks of mining the target working condition parameters and the target electric energy quality parameters in the block chain according to the preset data mining requirements.
Optionally, the mining of the target working condition parameter and the target power quality parameter in the block chain by the monitoring terminal according to the preset data mining requirement specifically includes:
and the monitoring terminal extracts working condition data and electric energy quality data in the block chain according to the preset data mining requirement, and evaluates each mining working condition data and each electric energy quality data according to the preset data mining requirement and a preset evaluation rule to obtain the target working condition parameter and the target electric energy quality parameter.
Optionally, the monitoring terminal extracts working condition data and power quality data in the block chain according to the preset data mining requirement, and specifically includes:
the monitoring terminal extracts the working condition data and the electric energy quality data in the block chain according to the preset data mining requirement based on a CCIPCA algorithm;
the monitoring terminal evaluates the excavation working condition data and the electric energy quality data according to the preset data excavation requirement and a preset evaluation rule to obtain the target working condition parameter and the target electric energy quality parameter, and specifically comprises the following steps:
and the monitoring terminal adopts a BP neural network model, and evaluates each excavation working condition data and the electric energy quality data according to the preset data excavation requirement and the preset evaluation rule to obtain the target working condition parameter and the target electric energy quality parameter.
Optionally, the monitoring terminal outputs a corresponding maintenance scheme according to the working condition evaluation result and the power quality evaluation result, and specifically includes:
the monitoring terminal outputs a corresponding maintenance scheme according to the working condition evaluation result and the power quality evaluation result based on a nearest classifier;
the maintenance scheme at least comprises the name of the power quality treatment device, the type of the power quality treatment device, the access position of the power quality treatment device, the access mode of the power quality treatment device, the working mode of the power quality treatment device, a tool list corresponding to the power quality treatment device, the type of an electronic element corresponding to the power quality treatment device, the number of the electronic elements, the position of the electronic element, the disassembly mode of the electronic element, the access mode of the electronic element and the tool list corresponding to the electronic element.
Optionally, the monitoring terminal is further configured to construct a three-dimensional distributed power supply model based on the distributed power supply structure diagram and the distributed power supply layout diagram, make corresponding marks in the three-dimensional distributed power supply model according to the positions of the target data acquisition modules, control to display corresponding operating condition parameters and power quality parameters at each mark, control to display a corresponding hyperlink at each mark, and control to display historical data of the operating condition parameters and historical data of the power quality parameters corresponding to the hyperlink when a click on the hyperlink is received.
Optionally, the monitoring terminal is further configured to control a position of each target data acquisition module on the distributed power supply three-dimensional model, and control and display a color corresponding to a working condition evaluation result and an electric energy quality evaluation result of the target data acquisition module.
The power quality monitoring system of the distributed power supply provided by the invention collects working condition parameters of the distributed power supply and power quality parameters of the distributed power supply through the target data collection module, and transmits the working condition parameters and the power quality parameters to the data storage module through the wireless data transmission channel; the data storage module adopts a block chain to store the working condition parameters and the electric energy quality parameters in the form of an MPT tree, and a large-capacity memory is not required to be configured on the premise of ensuring the data security; and then, a target working condition parameter and a target electric energy quality parameter are mined in a block chain through the monitoring terminal according to a preset data mining requirement, a working condition evaluation result of the distributed power supply and an electric energy quality evaluation result of the distributed power supply are evaluated based on a preset evaluation model, the accuracy of the evaluation result is improved, a corresponding maintenance scheme is output according to the working condition evaluation result and the electric energy quality evaluation result, the working condition of the target data acquisition module is regulated and controlled, and the monitoring evaluation of the electric energy quality of the distributed power supply can be accurately, comprehensively and quickly realized.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a distributed power supply power quality monitoring system according to an embodiment of the present invention;
the system comprises a target data acquisition module 101, a data storage module 102, a monitoring terminal 103, a wireless data transmission channel 104, a data transmission channel working condition monitoring module 105 and a data channel building module 106.
Detailed Description
The core of the invention is to provide a distributed power supply power quality monitoring system, which can accurately, comprehensively and quickly realize monitoring and evaluation of the power quality of the distributed power supply.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a distributed power supply power quality monitoring system according to an embodiment of the present invention.
As shown in fig. 1, a power quality monitoring system for a distributed power supply according to an embodiment of the present invention includes:
the target data acquisition module 101 is used for acquiring working condition parameters of the distributed power supply and electric energy quality parameters of the distributed power supply and transmitting the working condition parameters and the electric energy quality parameters to the data storage module 102 through the wireless data transmission channel 104;
the data storage module 102 is connected with the target data acquisition module 101 and is used for storing the working condition parameters and the electric energy quality parameters in the form of an MPT tree by adopting a block chain;
the monitoring terminal 103 is respectively connected with the target data acquisition module 101 and the data storage module 102, and is used for mining target working condition parameters and target electric energy quality parameters in a block chain according to preset data mining requirements, evaluating working condition evaluation results of the distributed power supply of the target working condition parameters and the target electric energy quality parameters and electric energy quality evaluation results of the distributed power supply based on a preset evaluation model, outputting corresponding maintenance schemes according to the working condition evaluation results and the electric energy quality evaluation results, and regulating and controlling the working conditions of the target data acquisition module 101.
In a specific implementation, the target data acquisition module 101 is specifically implemented based on sensor nodes. The sensor node includes: the system comprises a plurality of sensors, a processor connected with each sensor, a communicator connected with the processor, and a power supply respectively connected with the sensors, the processor and the communicator. The sensor is used for acquiring original working condition parameters of the distributed power supply and original power quality parameters of the distributed power supply and sending the original working condition parameters and the original power quality parameters to the processor. The processor is used for controlling the acquisition work of the sensors, storing the original working condition parameters and the original electric energy quality parameters, executing the preset processing script processing, fusing the original working condition parameters and the original electric energy quality parameters corresponding to the sensors to obtain original parameter fusion results, and controlling the communicator to send the original parameter fusion results to other sensor nodes. The sensor nodes exchange data information with each other through the communication unit so as to carry out reference operation and mutual quality monitoring. The power supply is used for ensuring the normal work of each sensor node.
In order to improve the efficiency of data analysis, the monitoring terminal 103 mines a target working condition parameter and a target power quality parameter in the block chain according to a preset data mining requirement, and specifically comprises: the monitoring terminal 103 synchronously performs a plurality of tasks of mining target working condition parameters and target electric energy quality parameters in a block chain according to preset data mining requirements. Specifically, a plurality of data mining modules are configured at the monitoring terminal 103, and each data mining module works simultaneously to realize active mining of corresponding parameter data.
Further, the monitoring terminal 103 excavates target working condition parameters and target power quality parameters in the block chain according to preset data mining requirements, and specifically includes: the monitoring terminal 103 extracts working condition data and power quality data in the block chain according to a preset data mining requirement, and evaluates each mining working condition data and power quality data according to the preset data mining requirement and a preset evaluation rule to obtain a target working condition parameter and a target power quality parameter. Specifically, at the monitoring terminal 103, each data mining module corresponds to one data feature extraction module, and an evaluation model is set for the data feature extraction module. The plurality of data feature extraction modules work synchronously to achieve active mining of parameter data, and the plurality of evaluation models work simultaneously to achieve acquisition of target parameters.
Wherein, the monitoring terminal 103 extracts the working condition data and the power quality data in the block chain according to the preset data mining requirement, and specifically may be: the monitoring terminal 103 extracts working condition data and power quality data in the block chain according to a preset data mining requirement based on a CCIPCA algorithm. The monitoring terminal 103 evaluates each excavation condition data and each power quality data according to a preset data excavation requirement and a preset evaluation rule to obtain a target condition parameter and a target power quality parameter, which may specifically be: the monitoring terminal 103 evaluates each excavation working condition data and each electric energy quality data according to a preset data excavation requirement and a preset evaluation rule by adopting a BP neural network model to obtain a target working condition parameter and a target electric energy quality parameter.
The monitoring terminal 103 outputs a corresponding maintenance scheme according to the working condition evaluation result and the power quality evaluation result, and specifically may output a corresponding maintenance scheme according to the working condition evaluation result and the power quality evaluation result based on the nearest classifier. The maintenance scheme may at least include a name of the power quality management device, a type of the power quality management device, an access position of the power quality management device, an access mode of the power quality management device, a working mode of the power quality management device, a tool list corresponding to the power quality management device, a type of an electronic component corresponding to the power quality management device, a number of the electronic components, a position of the electronic component, a detaching mode of the electronic component, an access mode of the electronic component, and a tool list corresponding to the electronic component.
Further, the monitoring terminal 103 may further construct a three-dimensional distributed power supply model based on the distributed power supply structure diagram and the distributed power supply layout diagram, make corresponding marks in the three-dimensional distributed power supply model according to the positions of the target data acquisition modules 101, control to display corresponding operating condition parameters and power quality parameters at each mark, control to display a corresponding hyperlink at each mark, and control to display historical data of the operating condition parameters and historical data of the power quality parameters corresponding to the hyperlink when a click on the hyperlink is received. The monitoring terminal 103 may be configured with a data visualization module, configured to control the display to display the distributed power supply three-dimensional model, display the operating condition parameters and the power quality parameters acquired by each target data acquisition module 101 on the distributed power supply three-dimensional model, and set a corresponding relationship between the click frame and the historical data of the operating condition parameters and the historical data of the power quality parameters, so that a user can click and view the data.
Further, the monitoring terminal 103 is further configured with a color configuration module for the distributed power supply three-dimensional model to control the position of each target data acquisition module 101 on the distributed power supply three-dimensional model, and control and display the color corresponding to the working condition evaluation result and the power quality evaluation result of the target data acquisition module 101, so that the working personnel can easily obtain the overall working condition and the overall power quality condition of the current distributed power supply.
The distributed power supply power quality monitoring system provided by the embodiment of the invention collects working condition parameters of the distributed power supply and power quality parameters of the distributed power supply through the target data collection module, and transmits the working condition parameters and the power quality parameters to the data storage module through the wireless data transmission channel; the data storage module adopts a block chain to store the working condition parameters and the electric energy quality parameters in the form of an MPT tree, and a large-capacity memory is not required to be configured on the premise of ensuring the data security; and then, a target working condition parameter and a target electric energy quality parameter are mined in a block chain through the monitoring terminal according to a preset data mining requirement, a working condition evaluation result of the distributed power supply and an electric energy quality evaluation result of the distributed power supply are evaluated based on a preset evaluation model, the accuracy of the evaluation result is improved, a corresponding maintenance scheme is output according to the working condition evaluation result and the electric energy quality evaluation result, the working condition of the target data acquisition module is regulated and controlled, and the monitoring evaluation of the electric energy quality of the distributed power supply can be accurately, comprehensively and quickly realized.
In order to ensure the safety of data transmission, on the basis of the above embodiment, the power quality monitoring system for a distributed power supply provided in the embodiment of the present invention further includes data transmission channel operating condition monitoring modules 105, which are arranged in each wireless data transmission channel 104 and correspond to the wireless data transmission channels 104 one to one, and are configured to monitor the transmission states of the wireless data transmission channels 104.
In a specific implementation, the data transmission channel condition monitoring module 105 may monitor the operation state of the wireless data transmission channel 104 based on a heartbeat signal or other forms by communicating with the corresponding wireless data transmission channel 104, and sequentially determine whether the wireless data transmission channel 104 fails.
In order to reduce the loss of data loss caused by damage of the wireless data transmission channels 104, the power quality monitoring system for a distributed power supply provided in the embodiment of the present invention may further include data channel building modules 106, which are arranged in each wireless data transmission channel 104 and correspond to the wireless data transmission channels 104 one to one, and are configured to build a new wireless data transmission channel 104 to replace the failed wireless data transmission channel 104 when the data transmission channel working condition monitoring module 105 detects that the wireless data transmission channel 104 fails. So that interruption of data collection due to a failure of the wireless data transmission channel 104 can be avoided.
The above provides a detailed description of a distributed power supply power quality monitoring system provided by the invention. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides a distributed generator power quality monitoring system which characterized in that includes:
the target data acquisition module is used for acquiring working condition parameters of the distributed power supply and electric energy quality parameters of the distributed power supply and transmitting the working condition parameters and the electric energy quality parameters to the data storage module through a wireless data transmission channel;
the data storage module is connected with the target data acquisition module and is used for storing the working condition parameters and the electric energy quality parameters in an MPT tree mode by adopting a block chain;
the monitoring terminals are respectively connected with the target data acquisition module and the data storage module and are used for mining target working condition parameters and target electric energy quality parameters in the block chain according to preset data mining requirements, evaluating the target working condition parameters and the target electric energy quality parameters based on a preset evaluation model, outputting corresponding maintenance schemes according to the working condition evaluation results and the electric energy quality evaluation results, and regulating and controlling the working conditions of the target data acquisition module.
2. The distributed power supply power quality monitoring system of claim 1, wherein the target data acquisition module is implemented based on a sensor node, and the sensor node comprises: a plurality of sensors, a processor connected to each of the sensors, a communicator connected to the processor, and a power source connected to the sensors, the processor, and the communicator, respectively;
the sensor is used for acquiring original working condition parameters of the distributed power supply and original power quality parameters of the distributed power supply and sending the original working condition parameters and the original power quality parameters to the processor;
the processor is used for controlling the acquisition work of the sensors, storing the original working condition parameters and the original electric energy quality parameters, executing preset processing script processing, fusing the original working condition parameters and the original electric energy quality parameters corresponding to the plurality of sensors to obtain original parameter fusion results, and controlling the communicator to send the original parameter fusion results to other sensor nodes.
3. The system for monitoring the power quality of the distributed power supply according to claim 1, further comprising a data transmission channel working condition monitoring module, which is arranged in each wireless data transmission channel and corresponds to the wireless data transmission channel one to one, and is used for monitoring the transmission state of the wireless data transmission channel.
4. The system for monitoring the power quality of the distributed power supply according to claim 3, further comprising data channel building modules which are arranged on the wireless data transmission channels and correspond to the wireless data transmission channels in a one-to-one manner, and are used for building a new wireless data transmission channel to replace a failed wireless data transmission channel when the data transmission channel working condition monitoring module detects that the wireless data transmission channel fails.
5. The system for monitoring the power quality of the distributed power supply according to claim 1, wherein the monitoring terminal excavates a target working condition parameter and a target power quality parameter in the block chain according to a preset data excavation requirement, and specifically comprises:
and the monitoring terminal synchronously carries out a plurality of tasks of mining the target working condition parameters and the target electric energy quality parameters in the block chain according to the preset data mining requirements.
6. The system for monitoring the power quality of the distributed power supply according to claim 5, wherein the monitoring terminal excavates the target working condition parameter and the target power quality parameter in the block chain according to a preset data excavation requirement, and specifically comprises:
and the monitoring terminal extracts working condition data and electric energy quality data in the block chain according to the preset data mining requirement, and evaluates each mining working condition data and each electric energy quality data according to the preset data mining requirement and a preset evaluation rule to obtain the target working condition parameter and the target electric energy quality parameter.
7. The system for monitoring the power quality of the distributed power supply according to claim 6, wherein the monitoring terminal extracts working condition data and power quality data from the block chain according to the preset data mining requirement, and specifically comprises:
the monitoring terminal extracts the working condition data and the electric energy quality data in the block chain according to the preset data mining requirement based on a CCIPCA algorithm;
the monitoring terminal evaluates the excavation working condition data and the electric energy quality data according to the preset data excavation requirement and a preset evaluation rule to obtain the target working condition parameter and the target electric energy quality parameter, and specifically comprises the following steps:
and the monitoring terminal adopts a BP neural network model, and evaluates each excavation working condition data and the electric energy quality data according to the preset data excavation requirement and the preset evaluation rule to obtain the target working condition parameter and the target electric energy quality parameter.
8. The system for monitoring the power quality of the distributed power supply according to claim 1, wherein the monitoring terminal outputs a corresponding maintenance scheme according to the working condition evaluation result and the power quality evaluation result, and specifically comprises:
the monitoring terminal outputs a corresponding maintenance scheme according to the working condition evaluation result and the power quality evaluation result based on a nearest classifier;
the maintenance scheme at least comprises the name of the power quality treatment device, the type of the power quality treatment device, the access position of the power quality treatment device, the access mode of the power quality treatment device, the working mode of the power quality treatment device, a tool list corresponding to the power quality treatment device, the type of an electronic element corresponding to the power quality treatment device, the number of the electronic elements, the position of the electronic element, the disassembly mode of the electronic element, the access mode of the electronic element and the tool list corresponding to the electronic element.
9. The system for monitoring the power quality of the distributed power supply according to claim 1, wherein the monitoring terminal is further configured to construct a three-dimensional model of the distributed power supply based on a distributed power supply structure diagram and a distributed power supply layout diagram, make corresponding marks in the three-dimensional model of the distributed power supply according to the positions of the target data acquisition modules, control to display corresponding operating condition parameters and power quality parameters at each mark, control to display a corresponding hyperlink at each mark, and control to display historical data of the operating condition parameters and the historical data of the power quality parameters corresponding to the hyperlink when a click on the hyperlink is received.
10. The system for monitoring the power quality of the distributed power supply according to claim 9, wherein the monitoring terminal is further configured to control a position of each target data acquisition module on the three-dimensional model of the distributed power supply, and control and display a color corresponding to a working condition evaluation result and a power quality evaluation result of the target data acquisition module.
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