CN113839934B - Micro-grid remote data management method - Google Patents
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- CN113839934B CN113839934B CN202111072227.3A CN202111072227A CN113839934B CN 113839934 B CN113839934 B CN 113839934B CN 202111072227 A CN202111072227 A CN 202111072227A CN 113839934 B CN113839934 B CN 113839934B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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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
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
Abstract
The invention provides a micro-grid remote data management method. The micro-grid remote data management method comprises the following steps of S1: the data content is uploaded in a contract, and the data content comprises: photovoltaic, firewood, energy storage and load, establishing a field corresponding to the photovoltaic, firewood, energy storage and load in DB and Redis; s2, creating a CA file, wherein the CA file is divided into a private key, a public key and a certificate, and a unique binding relation file is registered and generated according to the serial number Qid of a client communication manager, and the CA file is required to be installed to the communication manager so as to be bound with a server; and S3, importing related configuration files including a certificate file, a data southbound acquisition configuration file and a northbound connection related configuration file by the communication manager client. The micro-grid remote data management method provided by the invention has the advantages of greatly improving usability, safety, economy and the like, greatly improving the use convenience and realizing plug and play.
Description
Technical Field
The invention relates to the technical field of micro-grids, in particular to a micro-grid remote data management method.
Background
The micro-grid is a small power generation and distribution system consisting of a distributed power supply, an energy storage device, an energy conversion device, a load, a monitoring and protecting device and the like.
The micro-grid mainly operates in areas with underdeveloped electric power, such as island areas, and the like, and has more difficulties in monitoring and maintenance of the micro-grid due to poor natural environment, and the traditional operation monitoring system adopts local nearby monitoring and is mainly accessed through a network cable or 485 serial port line and the like, so that the flexibility of operation and maintenance modes, such as space limitation, limited data transmission distance and the like, is greatly limited. With the rise of wireless network, internet, cloud computing and other technologies, wireless data transmission monitoring methods are currently generally adopted, but the following two methods are adopted in most of the methods:
the method 1 comprises the steps of adding a wireless Data Transmission Unit (DTU) at a data source side, adding a network server at a far end, transmitting data to the server, and customizing and analyzing the data for an application end, wherein the principle is shown in fig. 1;
in the mode 2, a wireless Data Transmission Unit (DTU) is added at the data source side to transmit data to a public cloud platform, such as alicloud, and then the data processing is customized for the application end according to the method provided by the public platform. The principle of which is shown in figure 2.
Both the above two methods have certain drawbacks, in the mode 1, a data analysis program needs to be customized and developed at the server end, the program is different according to different field data, meanwhile, transmission safety and the like need to be considered, personalized development needs to be performed, and the method has high complexity and high professionality. The mode 2 needs to combine the shared cloud platform interface used to acquire related data for processing, and the third party platform is utilized to reduce performance impact caused by large data volume, but because the third party platform is used for processing all industry data without industry pertinence, related analysis programs need to be customized and developed, which clearly increases application complexity.
Therefore, it is necessary to provide a new micro-grid remote data management method to solve the above technical problems.
Disclosure of Invention
The technical problem solved by the invention is to provide the micro-grid remote data management method which is greatly improved in various aspects such as usability, safety, economy and the like, can greatly improve the use convenience and realizes plug-and-play.
In order to solve the technical problems, the micro-grid remote data management method provided by the invention comprises the following steps:
s1: the data content is uploaded in a contract, and the data content comprises: photovoltaic, firewood, energy storage and load, establishing a field corresponding to the photovoltaic, firewood, energy storage and load in DB and Redis;
s2, creating a CA file, wherein the CA file is divided into a private key, a public key and a certificate, and a unique binding relation file is registered and generated according to the serial number Qid of a client communication manager, and the CA file is required to be installed to the communication manager so as to be bound with a server;
s3, importing related configuration files by the communication manager client, wherein the related configuration files comprise a certificate file, a data southbound acquisition configuration file and a northbound connection related configuration file;
s4, verifying the legality of the client according to the agreed six-tuple server;
s5, verifying and data processing by the server side:
and after receiving the request, the server starts a data connection verification program, and verifies whether the result is legal or not by utilizing the root hash of the verification tree and the resultants of each connection device according to the information such as the password uploaded by the client.
Preferably, in the step S1: the photovoltaic comprises the current total power, the total power generation amount, the daily power generation amount, the carbon dioxide emission reduction amount, direct current, direct voltage, alternating current, alternating voltage, frequency and power factor, and the temperature in the inverter; the diesel engine comprises the current total power, total power generation, three-phase voltage, three currents, power grid frequency, power factor, oil temperature, oil pressure and rotating speed; the energy storage comprises discharge power, charging power, total charge quantity, total discharge quantity, SOC, SOH, battery temperature, charging time and discharging time; the load comprises active power, reactive power, voltage, current, frequency.
Preferably, the verifying the validity of the client according to the agreed six-tuple service terminal in S4 includes taking username, password, topic, stationId, deviceID and GroupID as parameters.
Preferably, username, password, topic, stationId, deviceID and GroupID are used as rules for judging parameters:
False if(username)!=target_username
False if(password)!=target_password
False if(topic)!=target_topic
Result=False if(StationID)!=target_StationID
False if(DeviceID)!=target_DeviceID
False if(GroupID)!=target_GroupID
True
only if all conditions are met and the result returns true, the check passes, wherein:
username: requesting a user name of the connection client;
password: the password of the server side when the connection is requested;
topic: the data subject of the micro-grid system is connected at this time;
StationId: a microgrid power station ID requesting connection;
DeviceID: a client device ID requesting connection;
GroupID: representing the CA certificate group number obtained by the requesting client.
Compared with the related technology, the micro-grid remote data management method provided by the invention has the following beneficial effects:
the invention provides a micro-grid remote data management method, which solves the problems of usability, safety and professional operation in the micro-grid field remote data processing and monitoring consisting of photovoltaic, diesel generation and energy storage, and achieves plug and play, deployment at any time and access at any time.
Drawings
FIG. 1 is a schematic diagram of one manner of monitoring a conventional micro-grid wireless data transmission;
FIG. 2 is a schematic diagram of another manner of monitoring a wireless data transmission of a conventional micro-grid;
FIG. 3 is a schematic diagram of adding hardware and software on a data source side and a central server side respectively in the micro-grid remote data management method provided by the invention;
fig. 4 is a flowchart of a micro-grid remote data management method according to the present invention;
FIG. 5 is a schematic diagram of a data connection verification procedure initiated after a server receives a request;
FIG. 6 is a schematic diagram showing the specific principle that data provided by the invention firstly enter MQ, the consumption module obtains real-time data and writes the real-time data into redis according to the data type agreed in the step S1, and the real-time data is provided for WEBServer, and history data enter DB for persistence.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1-6 in combination, the method according to the present invention adds hardware and software on the data source side and the central server side, respectively, as shown in fig. 3, and the main contents are as follows:
1. the data source side is added with a programmable data communication manager sinosoaragate based on ARM architecture, which comprises the following functions:
configuration management unit: and processing the content of the pre-acquired data according to the configuration file.
A data acquisition unit: the system has the function of acquiring the data of the micro-grid data management unit in the southbound direction and supporting the modbus/TCP, modbus/rtu and OPC/UA protocols.
A data analysis unit: after the data is acquired, the data is analyzed according to various parameters in the configuration, and the data is packed and combined into a fixed format.
A data transmission unit: the data is communicated with the central server according to a preset format after operation and analysis.
2. And the central server side is provided with autonomous developed sinolocludcore platform software, and the platform can automatically dock communication manager data and automatically process the data. The method mainly comprises the following steps:
defining six tuples of data:
{username,
Password,
Topic,
the power station ID is used to determine the power station ID,
the number of the device is given to the user,
data group number, which serves to identify the field end device and the data type.
CA authorization unit: the method mainly has two functions, namely, receiving a data connection request of a communication manager; and secondly, automatically compiling and generating a file with the CA certificate, the data connection public key and the private key, so that a one-to-one binding relationship is formed between the file and the private key of the client communication manager.
And a data analysis module: the module comprises two main functions, namely firstly analyzing the uploaded data and secondly storing the analyzed data.
And the data service module is used for: the main functions are to provide data external services, including WEB service API, real-time data storage redis and the like.
The micro-grid data management method provided by the patent comprises the following execution steps:
s1, appointed uploading data content, wherein the data content comprises: and (3) photovoltaic: the total power, total power generation, daily power generation, carbon dioxide emission reduction, direct current voltage, alternating current, alternating voltage, frequency and power factor, and the temperature in the inverter. Chai Fa: the total power, total power generation, three-phase voltage, three currents, grid frequency, power factor, oil temperature, oil pressure and rotating speed. Energy storage: discharge power, charge power, total charge amount, total discharge amount, SOC, SOH, battery temperature, charge time, discharge time. Load: active power, reactive power, voltage, current, frequency. Establishing a field corresponding to the DB and the Redis, wherein the field comprises the following structures:
s2, creating a CA file, wherein the CA file is divided into a private key, a public key and a certificate, and a unique binding relation file is registered and generated according to the serial number Qid of the client communication manager, and the file needs to be installed to the communication manager so as to be bound with a server.
And S3, importing related configuration files including a certificate file, a data southbound acquisition configuration file and a northbound connection related configuration file by the communication manager client. The format of the collected data file is as follows:
wherein Field represents the name of the uploaded data Field;
type represents the Type of upload data;
address represents a data address.
The format of the collected data configuration information is as follows:
Groupname | Gendata |
Frequcy | 10S |
Device_IP | 10.10.1.2 |
Slave_id | 2 |
wherein: groupname represents a power plant type, which may represent PVdata, gendata, bessdata; frequcy represents the acquisition frequency of data, e.g. 10S; device_ip represents the IP address of the Device data to be collected; slave_id represents the acquisition device secondary station address.
S4, checking the legality of the client according to the agreed six-tuple server
{ username, password, topic, stationId (station ID), deviceID (device number), groupID (data set CA number) } are determined as parameters, and the verification rule is as follows:
only if all conditions are met and the result returns true, the check passes, wherein:
username: requesting a user name of the connection client;
password, namely a Password of a server side when connection is requested;
topic, this time connect the data theme of the micro network system;
stationId, the micro-grid power station ID of the request connection;
DeviceID, client device ID requesting connection;
GroupID, representing the CA certificate group number obtained by the requesting client.
S5, verifying and data processing by the server side:
the server starts a data connection verification program after receiving the request, and verifies whether the result is legal or not by utilizing the root hash of the verification tree and the resultants of each connection device according to the information such as the password uploaded by the client, and the principle is as shown in fig. 5.
And (3) data processing: unpacking and distributing the received structural body information after verification is passed, and analyzing the information according to a predefined rule, wherein the analysis mode is as follows:
{"timestamp":now,"group_name":"Groupid1","values":{(.srcName):{(.tagName):{"raw_data":(.dataValue),"status":1}}}}
the data firstly enter the MQ, the real-time data is written into redis according to the data type agreed in the step S1 after being acquired by the consumption module, and is simultaneously provided for the WEBServer, and the history data enter the DB for persistence, and the principle is shown in figure 6;
compared with the related technology, the micro-grid remote data management method provided by the invention has the following beneficial effects:
the invention provides a micro-grid remote data management method, which solves the problems of usability, safety and professional operation in the micro-grid field remote data processing and monitoring consisting of photovoltaic, diesel generation and energy storage, and achieves plug and play, deployment at any time and access at any time.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (2)
1. A micro-grid remote data management method, comprising the steps of:
s1: the data content is uploaded in a contract, and the data content comprises: photovoltaic, firewood, energy storage and load, establishing a field corresponding to the photovoltaic, firewood, energy storage and load in DB and Redis;
s2, creating a CA file, wherein the CA file is divided into a private key, a public key and a certificate, and a unique binding relation file is registered and generated according to the serial number Qid of a client communication manager, and the CA file is required to be installed to the communication manager so as to be bound with a server;
s3, importing related configuration files by the communication manager client, wherein the related configuration files comprise a certificate file, a data southbound acquisition configuration file and a northbound connection related configuration file;
s4, verifying the validity of the client according to the agreed six-tuple server,
the agreed six-tuple server checking the legitimacy of the client includes taking username, password, topic, stationId, deviceID and GroupID as parameters;
rules for judging username, password, topic, stationId, deviceID and GroupID as parameters:
only if all conditions are met and the result returns true, the check passes, wherein:
username: requesting a user name of the connection client;
password: the password of the server side when the connection is requested;
topic: the data theme of the micro network system connected at this time;
StationId: a microgrid power station ID requesting connection;
DeviceID: a client device ID requesting connection;
GroupID: representing the CA certificate group number obtained by the requesting client;
s5, verifying and data processing by the server side:
and after receiving the request, the server starts a data connection verification program, and verifies whether the result is legal or not by utilizing the root hash of the verification tree and the resultants of each connection device according to the information such as the password uploaded by the client.
2. The micro grid remote data management method according to claim 1, wherein in S1: the photovoltaic comprises the current total power, the total power generation amount, the daily power generation amount, the carbon dioxide emission reduction amount, direct current, direct voltage, alternating current, alternating voltage, frequency and power factor, and the temperature in the inverter; the diesel engine comprises the current total power, total power generation, three-phase voltage, three currents, power grid frequency, power factor, oil temperature, oil pressure and rotating speed; the energy storage comprises discharge power, charging power, total charge quantity, total discharge quantity, SOC, SOH, battery temperature, charging time and discharging time; the load comprises active power, reactive power, voltage, current, frequency.
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