CN111427930A - Low-voltage photovoltaic energy storage microgrid device monitoring management system, method and device - Google Patents
Low-voltage photovoltaic energy storage microgrid device monitoring management system, method and device Download PDFInfo
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Abstract
The invention discloses a monitoring management system, a monitoring management method and monitoring management equipment for low-voltage photovoltaic energy storage micro-grid equipment. The system comprises a data access layer, a data resource layer, a service supporting layer and an application layer; the data access layer is used for acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and analyzing and correlating the equipment data by the data items of the communication point table; the data resource layer is used for integrating and storing the associated equipment data; the service supporting layer is used for providing calculation and analysis services for the integrated equipment data, and the application layer is used for managing the equipment of the low-voltage photovoltaic energy storage micro-grid according to results obtained by the calculation and analysis services. The invention analyzes and associates the data item to the equipment data according to the communication point table of the equipment, realizes the integration and centralized management of the data of various different equipments, improves the applicability of the monitoring management platform to different manufacturers and equipment, and reduces the time cost and the labor cost brought by the need of collecting the equipment of different manufacturers.
Description
Technical Field
The invention relates to the technical field of photovoltaic energy storage micro-grids, in particular to a system, a method and equipment for monitoring and managing low-voltage photovoltaic energy storage micro-grid equipment.
Background
At present, a microgrid is widely applied to an electric power system, and the microgrid refers to a small-sized power generation and distribution system composed of a distributed power supply, an energy storage device, an energy conversion device, a load, a monitoring and protection device and the like. The micro-grid aims to realize flexible and efficient application of distributed power supplies and solve the problem of grid connection of the distributed power supplies with large quantity and various forms. The development and extension of the micro-grid can fully promote the large-scale access of distributed power sources and renewable energy sources, realize the high-reliability supply of various energy source types of loads, and is an effective mode for realizing an active power distribution network, so that the traditional power grid is transited to a smart power grid. The low-voltage photovoltaic energy storage micro-grid is a common form of the micro-grid, compared with a centralized photovoltaic power station and an energy storage power station, the low-voltage photovoltaic energy storage micro-grid is more built and is more user side, the low-voltage photovoltaic energy storage micro-grid has the characteristics of scattered installation places, poor monitoring performance and the like, in addition, any equipment can operate spontaneously, namely, a disturbance power supply is connected into the power grid, and the influence is caused on the quality of electric energy. A plurality of supply manufacturers exist in the market of user side photovoltaic and energy storage equipment, each manufacturer has difference on the application of a protocol and the configuration of a point table, and in addition, monitoring platform data provided by each manufacturer are not communicated with each other.
In summary, in the prior art, the data of the monitoring platforms of different devices in the low-voltage photovoltaic energy storage microgrid are not communicated with each other, so that the technical problem that the devices cannot be managed in a centralized manner is solved.
Disclosure of Invention
The invention provides a monitoring management system, a monitoring management method and monitoring management equipment for low-voltage photovoltaic energy storage micro-grid equipment, which are used for solving the technical problem that the equipment cannot be managed in a centralized manner due to the fact that monitoring platform data of different equipment in a low-voltage photovoltaic energy storage micro-grid in the prior art are not communicated with each other.
The invention provides a monitoring and management system for low-voltage photovoltaic energy storage micro-grid equipment, which comprises a data access layer, a data resource layer, a service supporting layer and an application layer, wherein the data access layer is used for storing data;
the data access layer is used for acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and data items of a communication point table of the equipment, analyzing and associating the equipment data according to the data items of the communication point table of the equipment, and transmitting the associated equipment data to the data resource layer;
the data resource layer is used for receiving the associated device data transmitted by the data access layer, and integrating and storing the associated device data;
the service supporting layer is used for extracting the integrated equipment data stored in the data resource layer, providing calculation analysis service for the integrated equipment data, and transmitting a result obtained by the calculation analysis service to the application layer;
the application layer is used for providing management application, and the management application is used for managing the equipment of the low-voltage photovoltaic energy storage micro-grid according to the result obtained by the calculation analysis service.
Preferably, the system further comprises a presentation layer for visualizing the management application of the application layer.
Preferably, the device data of the low-voltage photovoltaic energy storage microgrid comprises photovoltaic device data and energy storage device data.
Preferably, the data access layer is specifically configured to collect photovoltaic device data and energy storage device data, analyze the photovoltaic device data and the energy storage device data according to a communication point table provided by a device manufacturer, and associate the analyzed photovoltaic device data and energy storage device data with corresponding device numbers.
Preferably, the data resource layer further includes a historical database and a real-time database, the historical database is used for storing historical integrated device data, and the real-time database is used for storing real-time integrated device data.
Preferably, the service support layer provides computational analysis services including: distributed parallel computing, churn computing, graph computing, and data analysis mining.
Preferably, the management application provided by the application layer comprises a photovoltaic management application and an energy storage management application; the photovoltaic management application comprises photovoltaic equipment monitoring, photovoltaic equipment alarm monitoring and photovoltaic equipment operation curve analysis; the energy storage management application comprises energy storage equipment monitoring, energy storage equipment alarm monitoring and energy storage equipment operation curve analysis.
Preferably, the data access layer comprises a data acquisition layer, a temporary storage layer and a data processing layer;
the data acquisition layer is used for acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and communication point table pair data items of the equipment;
the temporary storage layer is used for temporarily storing the acquired equipment data of the low-voltage photovoltaic energy storage micro-grid and the communication point table pair data items of the equipment;
the data processing layer is used for extracting the equipment data of the low-voltage photovoltaic energy storage micro-grid of the temporary storage layer and the communication point table pair data items of the equipment, analyzing and associating the equipment data according to the communication point table pair data items of the equipment, and transmitting the associated equipment data to the data resource layer.
A monitoring and management method for low-voltage photovoltaic energy storage micro-grid equipment comprises the following steps:
acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and a communication point table pair data item of the equipment, and analyzing and correlating the equipment data according to the communication point table pair data item of the equipment;
analyzing and integrating the associated equipment data to obtain integrated equipment data, and storing the integrated equipment data;
extracting the stored integrated equipment data, and performing calculation analysis on the integrated equipment data to obtain a calculation analysis result;
and managing the equipment of the low-voltage photovoltaic energy storage micro-grid according to the result of the calculation and analysis service.
A monitoring and management device for low-voltage photovoltaic energy storage microgrid devices comprises a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the monitoring and management method for the low-voltage photovoltaic energy storage microgrid device according to the instructions in the program codes.
According to the technical scheme, the invention has the following advantages:
in the embodiment of the invention, the data item is analyzed and correlated according to the communication point table of the equipment, so that various different equipment can be communicated, the data integration and centralized management of various different equipment are realized, the applicability of the management platform to different manufacturers and equipment is improved, and the acquisition cost caused by the need of acquiring the equipment of different manufacturers is reduced. In addition, the embodiment of the invention adopts a layered design, separates the acquisition and processing of data through a data resource layer, reduces the coupling in the data processing process, has relatively independent layers, supports distributed deployment, and improves the efficiency and the automation degree of operation and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a system structure diagram of a low-voltage photovoltaic energy storage microgrid device monitoring and management system, method and device provided in an embodiment of the present invention.
Fig. 2 is a flowchart of a method for monitoring and managing a low-voltage photovoltaic energy storage microgrid device, a method for monitoring and managing the low-voltage photovoltaic energy storage microgrid device, and a device provided by an embodiment of the invention.
Fig. 3 is an apparatus framework diagram of a low-voltage photovoltaic energy storage microgrid apparatus monitoring and management system, method and apparatus provided in an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a monitoring management system, a monitoring management method and monitoring management equipment for low-voltage photovoltaic energy storage micro-grid equipment, which are used for solving the technical problem that the equipment cannot be managed in a centralized manner due to the fact that monitoring platform data of different equipment in a low-voltage photovoltaic energy storage micro-grid in the prior art are not communicated with each other.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.
Referring to fig. 1, fig. 1 is a system structure diagram of a low-voltage photovoltaic energy storage microgrid device monitoring and management system, method and device provided in an embodiment of the present invention.
The monitoring and management system for the low-voltage photovoltaic energy storage micro-grid equipment comprises a data access layer 1, a data resource layer 2, a service supporting layer 3 and an application layer 4;
the data access layer 1 is used for acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and data items of a communication point table of the equipment, analyzing and associating the equipment data according to the data items of the communication point table of the equipment, and transmitting the associated equipment data to the data resource layer 2;
it should be further explained that the data access layer 1 adopts a data acquisition platform adapted to various communication protocols, the data acquisition platform is configured according to protocols and point tables adopted by data communication of the photovoltaic equipment and data communication of the energy storage equipment, and after data acquisition is completed, the equipment data is analyzed according to the protocols and the point tables, and the analyzed equipment data is associated. The data access layer 1 can communicate with various different protocols and point tables simultaneously, and the applicability of the acquisition platform to different manufacturers and equipment is improved.
The data resource layer 2 is used for receiving the associated device data transmitted by the data access layer 1, and integrating and storing the associated device data;
it should be further noted that the data resource layer 2 integrates data according to the database table structure requirement data of the system, extracts the devices (which can be extracted according to the device type, the data type, etc.) required by the required data from the acquired device data, integrates the devices into a data table conforming to the system structure, and stores the data table for later calling.
The service supporting layer 3 is used for extracting the integrated device data stored in the data resource layer 2, providing calculation analysis service for the integrated device data, and transmitting a result obtained by the calculation analysis service to the application layer 4;
it should be further noted that the service support layer 3 provides various support services and tools, and implements timely calculation of data through the calculation and analysis service, and can select a calculation and analysis technology to complete a calculation and analysis process of data according to requirements.
The application layer 4 is used for providing a management application 6, and the management application 6 is used for managing the equipment of the low-voltage photovoltaic energy storage microgrid according to a result obtained by calculation and analysis service.
It should be further noted that the management application 6 in the application layer 4 can monitor and manage the device data through the result obtained by the calculation and analysis service. The commonly used alarm monitoring is that alarm event data obtained by directly reading computational analysis service is monitored; or a numerical threshold is set through the system and then compared with the acquired equipment data. The system extracts historical data from the service supporting layer 3, draws a curve according to the historical data, and compares the curve with the result obtained by the calculation analysis service to obtain the detection results of the phase equipment, such as total power generation, peak-valley time of the power generation and the like.
As a preferred embodiment, the system further includes a display layer 5, the display layer 5 is used for visualizing the management application 6 of the application layer 4, the management application 6 is visualized through the display layer 5 to facilitate the operation and control of workers, the display layer 5 is specifically used for visualizing the management application 6 at a Web end and a mobile end, when the Web end is visualized, the Web end adopts a B/S architecture, the B/S (Browser/Server) architecture is also called a Browser/Server architecture, the B/S architecture can perform information distributed processing, effectively reduce resource cost, improve designed system performance, and the B/S architecture has a wider application range, the client is greatly simplified in a processing mode, a user only needs to install a Browser, and application logic is concentrated on a Server and a middleware, data processing performance can be improved.
As a preferred embodiment, the device data of the low-voltage photovoltaic energy storage microgrid comprises photovoltaic device data and energy storage device data.
As a preferred embodiment, the data access layer 1 is specifically configured to collect photovoltaic device data and energy storage device data, analyze the photovoltaic device data and the energy storage device data according to a communication point table provided by a device manufacturer, associate the analyzed photovoltaic device data and energy storage device data with corresponding device numbers, and associate the photovoltaic device data and the energy storage device data with corresponding device numbers, which is beneficial for a maintenance worker to know which device the failed device is specifically when the failure occurs, and during the process of associating the device data, the device data may also be associated with IDs of corresponding devices.
As a preferred embodiment, the data resource layer 2 further includes a historical database 201 and a real-time database 202, the historical database 201 is used for storing historical integrated device data, and the real-time database 202 is used for storing real-time integrated device data. The historical database 201 and the real-time database 202 are arranged to separate the collected data, which is beneficial to improving the speed of data processing in the real-time processing process.
As a preferred embodiment, the service support layer 3 provides a computational analysis service, which includes: distributed parallel computing, churn computing, graph computing, and data analysis mining. Algorithms adopted by data mining analysis comprise a neural network method, a genetic algorithm, a decision tree method and the like, and data analysis mining is directly carried out when the data volume is too large, so that the calculation amount is reduced.
As a preferred embodiment, the management application 6 provided by the application layer 4 includes a photovoltaic management application 601 and a power storage management application 602; the photovoltaic management application 601 comprises photovoltaic equipment monitoring, photovoltaic equipment alarm monitoring and photovoltaic equipment operation curve analysis; the energy storage management application 602 includes energy storage device monitoring, energy storage device alarm monitoring, and energy storage device operating curve analysis.
As a preferred embodiment, the data access layer 1 includes a data acquisition layer 101, a temporary storage layer 102 and a data processing layer 103; the data acquisition layer 101 is used for acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and data items of a communication point table of the equipment; the temporary storage layer 102 is used for temporarily storing the acquired device data of the low-voltage photovoltaic energy storage microgrid and the communication point table pair data items of the device; the data processing layer 103 is used for extracting the device data of the low-voltage photovoltaic energy storage microgrid in the temporary storage layer 102 and the communication point table pair data items of the devices, analyzing and associating the device data according to the communication point table pair data items of the devices, and transmitting the associated device data to the data resource layer 2.
As shown in fig. 2, a monitoring and management method for low-voltage photovoltaic energy storage microgrid equipment includes the following steps:
acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and a communication point table pair data item of the equipment, and analyzing and correlating the equipment data according to the communication point table pair data item of the equipment;
analyzing and integrating the associated equipment data to obtain integrated equipment data, and storing the integrated equipment data;
extracting the stored integrated equipment data, and performing calculation analysis on the integrated equipment data to obtain a calculation analysis result;
and managing the equipment of the low-voltage photovoltaic energy storage micro-grid according to the result of the calculation and analysis service.
As shown in fig. 3, the monitoring and management device 30 for the low-voltage photovoltaic energy storage microgrid device comprises a processor 300 and a memory 301;
the memory 301 is used for storing a program code 302 and transmitting the program code 302 to the processor;
the processor 300 is configured to execute the steps of the above-mentioned method for monitoring and managing a low-voltage photovoltaic energy-storage microgrid device according to the instructions in the program code 302.
Illustratively, the computer program 302 may be partitioned into one or more modules/units that are stored in the memory 301 and executed by the processor 300 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 302 in the terminal device 30.
The terminal device 30 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The terminal device may include, but is not limited to, a processor 300, a memory 301. Those skilled in the art will appreciate that fig. 3 is merely an example of a terminal device 30 and does not constitute a limitation of terminal device 30 and may include more or fewer components than shown, or some components may be combined, or different components, e.g., the terminal device may also include input-output devices, network access devices, buses, etc.
The Processor 300 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable gate array (FPGA) or other Programmable logic device, discrete gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage 301 may be an internal storage unit of the terminal device 30, such as a hard disk or a memory of the terminal device 30. The memory 301 may also be an external storage device of the terminal device 30, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the terminal device 30. Further, the memory 301 may also include both an internal storage unit and an external storage device of the terminal device 30. The memory 301 is used for storing the computer program and other programs and data required by the terminal device. The memory 301 may also be used to temporarily store data that has been output or is to be output.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A monitoring and management system for low-voltage photovoltaic energy storage microgrid equipment is characterized by comprising a data access layer, a data resource layer, a service supporting layer and an application layer;
the data access layer is used for acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and data items of a communication point table of the equipment, analyzing and associating the equipment data according to the data items of the communication point table of the equipment, and transmitting the associated equipment data to the data resource layer;
the data resource layer is used for receiving the associated device data transmitted by the data access layer, and integrating and storing the associated device data;
the service supporting layer is used for extracting the integrated equipment data stored in the data resource layer, providing calculation analysis service for the integrated equipment data, and transmitting a result obtained by the calculation analysis service to the application layer;
the application layer is used for providing management application, and the management application is used for managing the equipment of the low-voltage photovoltaic energy storage micro-grid according to the result obtained by the calculation analysis service.
2. The low-voltage photovoltaic energy storage microgrid device monitoring and management system of claim 1, characterized in that the system further comprises a display layer for visualizing management applications of the application layer.
3. The low-voltage photovoltaic energy storage microgrid device monitoring and management system of claim 2, characterized in that the device data of the low-voltage photovoltaic energy storage microgrid comprises photovoltaic device data and energy storage device data.
4. The low-voltage photovoltaic energy storage microgrid device monitoring and management system according to claim 3, characterized in that the data access layer is specifically configured to collect photovoltaic device data and energy storage device data and communication point tables of devices provided by a device manufacturer for data items, analyze the photovoltaic device data and the energy storage device data according to the communication point tables of the devices, and associate the analyzed photovoltaic device data and energy storage device data with corresponding device numbers.
5. The low-voltage photovoltaic energy storage microgrid device monitoring and management system of claim 4, characterized in that the data resource layer further comprises a historical database and a real-time database, the historical database is used for storing historical integrated device data, and the real-time database is used for storing real-time integrated device data.
6. The low-voltage photovoltaic energy storage microgrid device monitoring and management system of claim 5, characterized in that the service support layer providing computational analysis services comprises: distributed parallel computing, churn computing, graph computing, and data analysis mining.
7. The monitoring and management system for the low-voltage photovoltaic energy storage microgrid device of claim 6, characterized in that management applications provided by the application layer include a photovoltaic management application and an energy storage management application; the photovoltaic management application comprises photovoltaic equipment monitoring, photovoltaic equipment alarm monitoring and photovoltaic equipment operation curve analysis; the energy storage management application comprises energy storage equipment monitoring, energy storage equipment alarm monitoring and energy storage equipment operation curve analysis.
8. The monitoring and management system for the low-voltage photovoltaic energy storage microgrid device of claim 7, characterized in that the data access layer comprises a data acquisition layer, a temporary storage layer and a data processing layer;
the data acquisition layer is used for acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and communication point table pair data items of the equipment;
the temporary storage layer is used for temporarily storing the acquired equipment data of the low-voltage photovoltaic energy storage micro-grid and the communication point table pair data items of the equipment;
the data processing layer is used for extracting the equipment data of the low-voltage photovoltaic energy storage micro-grid of the temporary storage layer and the communication point table pair data items of the equipment, analyzing and associating the equipment data according to the communication point table pair data items of the equipment, and transmitting the associated equipment data to the data resource layer.
9. The monitoring and management method for the low-voltage photovoltaic energy storage microgrid equipment is characterized by comprising the following steps:
acquiring equipment data of the low-voltage photovoltaic energy storage micro-grid and a communication point table pair data item of the equipment, and analyzing and correlating the equipment data according to the communication point table pair data item of the equipment;
analyzing and integrating the associated equipment data to obtain integrated equipment data, and storing the integrated equipment data;
extracting the stored integrated equipment data, and performing calculation analysis on the integrated equipment data to obtain a calculation analysis result;
and managing the equipment of the low-voltage photovoltaic energy storage micro-grid according to the result of the calculation and analysis service.
10. The monitoring and management equipment for the low-voltage photovoltaic energy storage microgrid equipment is characterized by comprising a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the method for monitoring and managing the low-voltage photovoltaic energy-storage microgrid device according to the instructions in the program code, wherein the method is as set forth in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236476.0A CN111427930A (en) | 2020-03-30 | 2020-03-30 | Low-voltage photovoltaic energy storage microgrid device monitoring management system, method and device |
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Address after: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant after: China Southern Power Grid Power Technology Co.,Ltd. Address before: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant before: GUANGDONG DIANKEYUAN ENERGY TECHNOLOGY Co.,Ltd. |
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