CN111987802B - Distribution network district data communication processing system - Google Patents
Distribution network district data communication processing system Download PDFInfo
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- CN111987802B CN111987802B CN202010853214.9A CN202010853214A CN111987802B CN 111987802 B CN111987802 B CN 111987802B CN 202010853214 A CN202010853214 A CN 202010853214A CN 111987802 B CN111987802 B CN 111987802B
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
- H02J13/00026—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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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
- Y04S20/242—Home appliances
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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
- Y04S40/12—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a distribution network station data communication processing system.A station monitoring server receives distribution data acquisition request information sent by a distribution monitoring terminal, analyzes the information into requested distribution data in a preset format, and sends the requested distribution data in the preset format to a station data acquisition device; the distribution room data acquisition device receives the power distribution request data in a preset format and reads the power distribution data in the storage; and analyzing the power distribution data according to a preset format agreed with the transformer area monitoring service terminal, packaging the power distribution data according to a power distribution data form suitable for the power distribution monitoring terminal, and sending the packaged power distribution data to the power distribution monitoring terminal through the transformer area monitoring service terminal. The monitoring personnel can acquire the state of distribution network and distribution equipment according to the information that distribution monitoring terminal received, knows the stability of any time quantum distribution platform district, can configure the platform district information according to the state of data in every time quantum.
Description
Technical Field
The invention relates to the technical field of power distribution networks, in particular to a power distribution network district data communication processing system.
Background
The distribution network is an electric power network which receives electric energy from a transmission network or a regional power plant and distributes the electric energy to various users on site through distribution facilities or step by step according to voltage. The network consists of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, accessory facilities and the like, and plays a role in distributing electric energy in a power network.
The distribution network needs to track and monitor distribution data in real time during operation, and the operation safety of a distribution network platform area is guaranteed. At present, a common data acquisition or data tracking mode adopts remote communication, and field equipment acquires and stores data. When monitoring personnel need to call data, the data are acquired by connecting the field equipment and displayed, so that the monitoring personnel can know the running state. The monitoring personnel is carrying out distribution data and is acquireing to and during distribution data communication, because data format is changeable, different data format and the communication protocol of gathering terminal configuration different grade type lead to the monitoring personnel when receiving the monitoring data, cause the received data unstable, the unable matched terminal of received data uses, the influence is to the acquireing and the control of distribution data, and then the steady operation in influence distribution network platform district.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a data communication processing system for a distribution network area, which comprises: the system comprises a platform area monitoring server, a power distribution monitoring terminal and a platform area data acquisition device;
each monitoring personnel power distribution monitoring terminal acquires power distribution data of a power distribution network area;
the transformer area data acquisition device is used for acquiring and storing power distribution data of each electrical device and power transmission line in the transformer area;
the power distribution monitoring terminal is connected with the distribution area data acquisition device through the distribution area monitoring service terminal to acquire power distribution data of a distribution network distribution area;
the distribution area monitoring server is used for receiving distribution data acquisition request information sent by the distribution monitoring terminal, analyzing the distribution data request information into requested distribution data in a preset format, and sending the requested distribution data in the preset format to the distribution area data acquisition device;
the distribution area data acquisition device receives the requested distribution data in the preset format sent by the distribution area monitoring server, and reads the distribution data in the storage according to the requested distribution data in the preset format;
and analyzing the power distribution data according to a preset format agreed with the transformer area monitoring service terminal, packaging the power distribution data according to a power distribution data form suitable for the power distribution monitoring terminal, and sending the packaged power distribution data to the power distribution monitoring terminal through the transformer area monitoring service terminal.
Preferably, the power distribution data acquisition request information sent by the power distribution monitoring terminal includes: a user processes a signaling protocol, a power distribution data type, a power distribution data acquisition time period and equipment corresponding to power distribution data;
and the distribution area data acquisition device reads and analyzes the distribution data form corresponding to the request information of the distribution monitoring terminal according to a preset user processing signaling protocol, a distribution data type, a distribution data acquisition time period and equipment corresponding to the distribution data, and encapsulates the distribution data.
Preferably, the station area data acquisition device is further used for packaging address information of the station area data acquisition device in the packaged power distribution data.
Preferably, the preset format comprises: the method comprises the steps of identifying various types of power distribution data, obtaining the expression of time points, the identification of monitored equipment, a power distribution data frame counting field and a power distribution data total frame number;
and the distribution area data acquisition device analyzes the distribution data according to the identification mode of each type of distribution data.
Preferably, the distribution network monitoring server is used for providing a registration connection end for the distribution network monitoring terminal and the distribution network data acquisition device, the distribution network monitoring terminal and the distribution network data acquisition device respectively register access information on the distribution network monitoring server, and the distribution network monitoring terminal and the distribution network data acquisition device acquire and communicate distribution data after successful registration.
Preferably, after the power distribution monitoring terminal and the distribution area data acquisition device are successfully registered in the distribution area monitoring service terminal, the distribution area monitoring service terminal distributes communication authentication codes for the power distribution monitoring terminal and the distribution area data acquisition device respectively, and records the communication authentication codes corresponding to the power distribution monitoring terminal and the distribution area data acquisition device;
and the distribution data communicated among the distribution area monitoring server, the distribution monitoring terminal and the distribution area data acquisition device is accompanied by a communication identity verification code, and the distribution area monitoring server performs safety verification on the communication identity verification code.
Preferably, the distribution area data acquisition device receives distribution data acquisition request information sent by the distribution monitoring terminal, and determines equipment to be acquired by the distribution monitoring terminal, distribution data corresponding to the equipment and time period information;
and the power distribution monitoring terminal determines the confidence of the equipment based on a confidence interval algorithm according to the power distribution data in the time period.
Preferably, the power distribution monitoring terminal is further used for measuring and calculating the confidence of the equipment;
the equipment confidence interval is a power distribution data estimation interval in a time period, and the degree of the power distribution data in the time period falling into a preset threshold range is identified;
the equipment confidence interval gives the confidence of the power distribution data over the time period, and the confidence is expressed in percentage.
Preferably, the confidence in determining the power distribution data over the time period is calculated according to the following:
calculating the average value of the power distribution data in each time period;
calculating the distribution data deviation in each time period according to the distribution data average value of the distribution data in each time period;
adding the distribution data average value with the distribution data deviation and subtracting the distribution data average value from the distribution data deviation to obtain two endpoints of a confidence interval;
the average value of the distribution data and the deviation of the distribution data are the right end point of the distribution data;
the average value of the distribution data minus the deviation of the distribution data is the left end point of the distribution data;
and determining the confidence level according to the right endpoint value of the power distribution data and the left endpoint value of the power distribution data.
Preferably, when the confidence coefficient exceeds the threshold range, alarming the current monitoring equipment;
the distribution room monitoring service terminal is also used for configuring monitoring periods, a preset number of monitoring time periods are set in each monitoring period, and a preset number of monitoring power distribution data are collected in each monitoring time period.
According to the technical scheme, the invention has the following advantages:
in the invention, a platform area monitoring server receives power distribution data acquisition request information sent by a power distribution monitoring terminal, analyzes the power distribution data request information into power distribution request data in a preset format, and then sends the power distribution request data in the preset format to a platform area data acquisition device; the distribution area data acquisition device receives the requested power distribution data in the preset format sent by the distribution area monitoring server, and reads the power distribution data in the storage according to the requested power distribution data in the preset format; and analyzing the power distribution data according to a preset format agreed with the transformer area monitoring service terminal, packaging the power distribution data according to a power distribution data form suitable for the power distribution monitoring terminal, and sending the packaged power distribution data to the power distribution monitoring terminal through the transformer area monitoring service terminal.
Therefore, monitoring personnel can acquire the states of the power distribution network and the power distribution equipment according to the information received by the power distribution monitoring terminal, know the stability of the power distribution station in any time period, configure station information according to the state of data in each time period, and respond and process in time if a super-threshold value occurs.
The power distribution data acquisition request information sent by the power distribution monitoring terminal can be automatically sent by monitoring personnel, can also be sent by the system, is sent according to preset time points or other preset conditions, receives the power distribution data and meets the monitoring requirement. According to the requirement power distribution data of the preset format, the power distribution data in the storage can be read to ensure that the received data are stable, no matter what communication mode, communication format and communication terminal are adopted, the preset format is configured to ensure that the received data are stable, the situation that the received data cannot be matched with the terminal for use, the acquisition and monitoring of the power distribution data are influenced, and then the stable operation of a power distribution network platform area is influenced is avoided.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, 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 diagram of a data communication processing system of a distribution network area.
Detailed Description
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
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 ways. 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 also be an electrical, mechanical or other form of connection.
The invention provides a data communication processing system for a distribution network area, as shown in fig. 1, comprising: the system comprises a distribution area monitoring server 1, a power distribution monitoring terminal 2 and a distribution area data acquisition device 3;
each monitoring personnel power distribution monitoring terminal 2 acquires power distribution data of a power distribution network area;
the distribution area data acquisition device 3 is used for acquiring and storing distribution data of each electrical device and power transmission line in the distribution area;
the power distribution monitoring terminal 2 is connected with the distribution area data acquisition device 3 through the distribution area monitoring service end 1 to acquire power distribution data of a distribution network distribution area;
the distribution area monitoring server 1 is used for receiving distribution data acquisition request information sent by the distribution monitoring terminal 2, analyzing the distribution data request information into requested distribution data in a preset format, and sending the requested distribution data in the preset format to the distribution area data acquisition device 3;
the distribution area data acquisition device 3 receives the power distribution request data in the preset format sent by the distribution area monitoring server 1, and reads the power distribution data in the storage according to the power distribution request data in the preset format;
analyzing the power distribution data according to a preset format agreed with the distribution area monitoring service terminal 1, packaging the power distribution data according to a power distribution data form suitable for the power distribution monitoring terminal 2, and sending the packaged power distribution data to the power distribution monitoring terminal 2 through the distribution area monitoring service terminal 1.
The power distribution monitoring terminal 2 and the station area data acquisition device 3 may be implemented in various forms. For example, the terminal described in the embodiment of the present invention may include the power distribution monitoring terminal 2 such as a notebook computer, a tablet computer (PAD), a Portable Media Player (PMP), an industrial terminal, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
The power distribution monitoring terminal 2 and the station data acquisition apparatus 3 may include a wireless communication unit, an audio/video (a/V) input unit, a user input unit, a sensing unit, an output unit, a memory, an interface unit, a controller, and a power supply unit, and the like. It is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented.
In the invention, when a monitoring person accesses the platform area monitoring service end 1 through the power distribution monitoring terminal 2, power distribution data acquisition request information is sent to the platform area monitoring service end 1, and the power distribution data acquisition request information can be expressed as a user processing signaling protocol, a power distribution data type, a power distribution data acquisition time period and equipment corresponding to power distribution data.
And the distribution area data acquisition device 3 reads and analyzes the distribution data form corresponding to the request information of the distribution monitoring terminal 2 according to a preset user processing signaling protocol, a distribution data type, a distribution data acquisition time period and equipment corresponding to the distribution data, and encapsulates the distribution data.
The power distribution equipment may include, but is not limited to: transformers, individual instruments, switches, and the like.
The distribution area monitoring service terminal 1 analyzes the power distribution request into a protocol format agreed with the distribution area data acquisition device 3, and then sends the power distribution request to the distribution area data acquisition device 3 for configuration data extraction and communication transmission.
After the distribution data acquisition request information is received by the distribution data acquisition device 3, the distribution data in the storage is stored. The distribution data acquisition device 3 may store the distribution data in a storage, and transmit the distribution data to the distribution monitoring service terminal 1 or the distribution monitoring terminal 2 as needed. Of course, the information can also be transmitted to the area monitoring service terminal in real time.
In embodiments of the invention, the reservoir may comprise packaging material. The computer-readable medium of data may include computer storage media such as Random Access Memory (RAM), Read Only Memory (ROM), non-volatile random access memory (NVRAM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory, magnetic or optical data storage media, and the like. In some embodiments, an article of manufacture may comprise one or more computer-readable storage media.
In the embodiment of the present invention, in order to enable the station area monitoring server 1 to know the data source, the station area data obtaining device 3 is further configured to encapsulate the address information of the station area data obtaining device 3 in the encapsulated power distribution data.
In the present invention, the preset format includes: the method comprises the steps of identifying various types of power distribution data, obtaining the expression of time points, the identification of monitored equipment, a power distribution data frame counting field and a power distribution data total frame number; and the distribution area data acquisition device 3 analyzes the distribution data according to the identification mode of each type of distribution data.
The distribution data with the preset format of the distribution data acquisition device 3 and the distribution monitoring service terminal 1 can include a mode of identifying each distribution data, and the distribution data are identified according to the identification mode, so that the distribution monitoring service terminal 1 and the distribution monitoring terminal 2 are enabled to be connected
Power distribution data can be obtained and identified from these identifications. When transmitting the power distribution data to the station area monitoring service terminal 1, an extended hypertext markup language or xml may be used.
In the invention, in order to further reduce the bandwidth of a power distribution network occupied by power distribution data communication, when the station monitoring server 1 transmits the encapsulated power distribution data to the power distribution monitoring terminal 2, the encapsulated power distribution data can be compressed and then transmitted; correspondingly, the power distribution monitoring terminal 2 decompresses the power distribution data received from the distribution area monitoring server 1.
When the distribution room monitoring server 1, the power distribution monitoring terminal 2 and the distribution room data acquisition device 3 interact with each other, a wireless application protocol, an HTTP protocol, or the like may be used.
The wireless internet module supports wireless internet access of the power distribution monitoring terminal 2. The module may be internally or externally coupled to the terminal. The Wireless internet Access technology related to the module may include Wireless Local Area network (Wi-Fi, WLAN), Wireless broadband (Wibro), worldwide interoperability for microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.
Further, the distribution room monitoring service terminal 1 is configured to provide a registration connection end for the distribution monitoring terminal 2 and the distribution room data acquisition device 3, the distribution monitoring terminal 2 and the distribution room data acquisition device 3 register access information on the distribution room monitoring service terminal 1, and after successful registration, acquisition and communication of distribution data are performed.
After the power distribution monitoring terminal 2 and the distribution area data acquisition device 3 are successfully registered in the distribution area monitoring service terminal 1, the distribution area monitoring service terminal 1 distributes communication authentication codes for the power distribution monitoring terminal 2 and the distribution area data acquisition device 3 respectively, and records the communication authentication codes corresponding to the power distribution monitoring terminal 2 and the distribution area data acquisition device 3;
the distribution data communicated among the distribution area monitoring server 1, the distribution monitoring terminal 2 and the distribution area data acquisition device 3 is accompanied by a communication identity verification code, and the distribution area monitoring server 1 performs security verification on the communication identity verification code. Thus, the security of the system is ensured, and only the authenticated and registered terminal can carry out data communication.
In the embodiment of the present invention, the distribution room data acquiring apparatus 3 receives the distribution data acquisition request information sent by the distribution monitoring terminal 2, and determines the equipment to be acquired by the distribution monitoring terminal 2, the distribution data corresponding to the equipment, and the time period information;
and the power distribution monitoring terminal 2 determines the confidence of the equipment based on a confidence interval algorithm according to the power distribution data in the time period.
The distribution area monitoring service end 1 is further configured to configure monitoring periods, set a preset number of monitoring time periods in each monitoring period, and collect a preset number of monitoring power distribution data in each monitoring time period.
When monitoring the power distribution data, the monitoring personnel can call the power distribution data of all time periods of a monitoring period at one time, and can also call the data of one time period as required.
The power distribution monitoring terminal 2 is also used for measuring and calculating the confidence of the equipment;
the confidence interval is formed by a certain amount of power distribution data, forms an estimation interval, and is based on a time period as an interval. The confidence interval of the invention represents the degree of probability that the distribution data falls around the measurement result, which indicates the degree of confidence of the distribution data, and thus the operating state of the distribution network and the distribution equipment in a certain time period is deduced.
The equipment confidence interval is a power distribution data estimation interval in a time period, and the degree of the power distribution data in the time period falling into a preset threshold value range is identified;
the equipment confidence interval gives the confidence of the power distribution data over the time period, and the confidence is expressed in percentage.
The confidence in determining the power distribution data over a time period is calculated according to the following:
calculating the average value of the power distribution data in each time period;
calculating the distribution data deviation in each time period according to the distribution data average value of the distribution data in each time period;
adding the distribution data average value with the distribution data deviation and subtracting the distribution data average value from the distribution data deviation to obtain two endpoints of a confidence interval;
the average value of the distribution data and the deviation of the distribution data are the right end point of the distribution data;
the average value of the distribution data minus the deviation of the distribution data is the left end point of the distribution data;
and determining the confidence level according to the right endpoint value of the power distribution data and the left endpoint value of the power distribution data.
And when the confidence coefficient exceeds the threshold range, alarming the current monitoring equipment.
Therefore, the state of the power distribution network is evaluated based on the confidence interval, monitoring personnel can conveniently monitor the power distribution network and master the state of the distribution network, and stable operation is guaranteed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A distribution network district data communication processing system, characterized by comprising: the system comprises a platform area monitoring server, a power distribution monitoring terminal and a platform area data acquisition device;
each monitoring personnel power distribution monitoring terminal acquires power distribution data of a power distribution network area;
the transformer area data acquisition device is used for acquiring and storing power distribution data of each electrical device and power transmission line in the transformer area;
the distribution monitoring terminal is connected with the distribution area data acquisition device through the distribution area monitoring service end to acquire distribution data of the distribution network distribution area;
the distribution area monitoring server is used for receiving distribution data acquisition request information sent by the distribution monitoring terminal, analyzing the distribution data request information into distribution data request information in a preset format, sending the distribution data request information in the preset format to the distribution area data acquisition device, and providing a registration connection end for the distribution monitoring terminal and the distribution area data acquisition device, wherein the distribution monitoring terminal and the distribution area data acquisition device respectively register access information on the distribution area monitoring server, and the distribution data acquisition and communication are performed after the registration is successful; wherein, the preset format comprises: the method comprises the steps of identifying various types of power distribution data, obtaining the expression of time points, the identification of monitored equipment, a power distribution data frame counting field and a power distribution data total frame number; the distribution area data acquisition device analyzes the distribution data according to the identification mode of each type of distribution data;
the power distribution data acquisition request information sent by the power distribution monitoring terminal comprises: a user processes a signaling protocol, a power distribution data type, a power distribution data acquisition time period and equipment corresponding to power distribution data; the distribution area data acquisition device reads and analyzes a distribution data form corresponding to the request information of the distribution monitoring terminal and encapsulates the distribution data according to a preset user processing signaling protocol, a distribution data type, a distribution data acquisition time period and equipment corresponding to the distribution data;
the distribution area data acquisition device receives the requested power distribution data in the preset format sent by the distribution area monitoring server, and reads the power distribution data in the storage according to the requested power distribution data in the preset format;
and analyzing the power distribution data according to a preset format agreed with the transformer area monitoring service terminal, packaging the power distribution data according to a power distribution data form suitable for the power distribution monitoring terminal, and sending the packaged power distribution data to the power distribution monitoring terminal through the transformer area monitoring service terminal.
2. The distribution network data communication processing system of claim 1,
the transformer area data acquisition device is also used for packaging address information of the transformer area data acquisition device in the packaged power distribution data.
3. The distribution network data communication processing system of claim 1,
after the power distribution monitoring terminal and the distribution area data acquisition device are successfully registered in the distribution area monitoring service terminal, the distribution area monitoring service terminal distributes communication authentication codes for the power distribution monitoring terminal and the distribution area data acquisition device respectively, and records the communication authentication codes corresponding to the power distribution monitoring terminal and the distribution area data acquisition device;
and the distribution data communicated among the distribution area monitoring server, the distribution monitoring terminal and the distribution area data acquisition device is accompanied by a communication identity verification code, and the distribution area monitoring server performs safety verification on the communication identity verification code.
4. The distribution network data communication processing system of claim 1,
the distribution area data acquisition device receives distribution data acquisition request information sent by a distribution monitoring terminal, and determines equipment to be acquired by the distribution monitoring terminal, distribution data corresponding to the equipment and time period information;
and the power distribution monitoring terminal determines the confidence of the equipment based on a confidence interval algorithm according to the power distribution data in the time period.
5. The distribution network data communication processing system of claim 4,
the power distribution monitoring terminal is also used for measuring and calculating the confidence coefficient of the equipment;
the equipment confidence interval is a power distribution data estimation interval in a time period, and the degree of the power distribution data in the time period falling into a preset threshold range is identified;
the equipment confidence interval gives the confidence of the power distribution data over the time period, and the confidence is expressed in percentage.
6. The distribution network data communication processing system of claim 5,
the confidence in determining the power distribution data over a time period is calculated according to the following:
calculating the average value of the power distribution data in each time period;
calculating the distribution data deviation in each time period according to the distribution data average value of the distribution data in each time period;
adding the distribution data average value with the distribution data deviation and subtracting the distribution data average value from the distribution data deviation to obtain two endpoints of a confidence interval;
the average value of the distribution data and the deviation of the distribution data are the right end point of the distribution data;
the average value of the distribution data minus the deviation of the distribution data is the left end point of the distribution data;
and determining the confidence coefficient according to the power distribution data right end point value and the power distribution data left end point.
7. The distribution network data communication processing system of claim 5,
when the confidence coefficient exceeds the threshold range, alarming the current monitoring equipment;
the distribution room monitoring service terminal is also used for configuring monitoring periods, a preset number of monitoring time periods are set in each monitoring period, and a preset number of monitoring power distribution data are collected in each monitoring time period.
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| CN202010853214.9A CN111987802B (en) | 2020-08-23 | 2020-08-23 | Distribution network district data communication processing system |
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| CN111987802B true CN111987802B (en) | 2022-06-21 |
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