CN114079322A - Breaker data management method and smart grid system - Google Patents
Breaker data management method and smart grid system Download PDFInfo
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- CN114079322A CN114079322A CN202010855297.5A CN202010855297A CN114079322A CN 114079322 A CN114079322 A CN 114079322A CN 202010855297 A CN202010855297 A CN 202010855297A CN 114079322 A CN114079322 A CN 114079322A
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- circuit breaker
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- working information
- breaker
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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
- 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
- H02J13/00007—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 the power network as support for the transmission
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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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- 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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S40/121—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 the power network as support for the transmission
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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
- Y04S40/128—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 involving the use of Internet protocol
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The application provides a breaker data management method and an intelligent power grid system, and relates to the technical field of Internet of things. The breaker data management method is applied to a fusion terminal of a smart grid system, and the smart grid system comprises the following steps: fusing a terminal and a circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers; the fusion terminal is in communication connection with each breaker through the power line carrier communication module. The method comprises the following steps: collecting working information of each circuit breaker; and analyzing and acquiring a monitoring result according to the working information. According to the method, data communication is achieved through the power line carrier communication module, wiring of the system is simplified, and meanwhile data transmission efficiency can be effectively improved. In addition, the fusion terminal can collect the working information of a plurality of circuit breakers through a control mode with a plurality of controllers, so that the analysis and early warning of the total electric energy, equipment faults and the like of the power grid can be realized, and the guidance significance is generated on the performance optimization of the power grid.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a breaker data management method and an intelligent power grid system.
Background
The information internet of things has important significance for improving the power supply reliability of the power grid and efficient and economic operation. The information of a plurality of devices in the power grid is fused, analyzed and managed, and the information Internet of things has a good promoting effect on the realization of the information Internet of things.
In the existing power grid system, a plurality of connected circuit breaker devices are independent, relevant data of each circuit breaker are stored in the circuit breaker devices, and data among the circuit breaker devices cannot be interconnected, so that the performance of a power grid is poor.
Disclosure of Invention
The invention aims to provide a breaker data management method and a smart grid system aiming at the defects in the prior art, so as to solve the problems that breaker data are independent from each other, intelligent internet of things cannot be responded, and the analysis effect on the breaker such as energy efficiency and early warning is poor in the prior art.
In order to achieve the above purpose, the technical solutions adopted in the embodiments of the present application are as follows:
in a first aspect, an embodiment of the present application provides a circuit breaker data management method, which is applied to a convergence terminal of a smart grid system, where the smart grid system includes: the convergence terminal and the circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers; the fusion terminal is in communication connection with the circuit breakers through a power line carrier communication module;
the method comprises the following steps:
collecting working information of each circuit breaker;
and analyzing and acquiring a monitoring result according to the working information.
Optionally, the method further comprises:
and sending a control instruction to the circuit breaker according to the identifier of the circuit breaker.
Optionally, the control instruction includes: a data acquisition instruction;
the collecting of the working information of each of the circuit breakers includes:
sending a data acquisition instruction to the circuit breaker through the power carrier communication module;
and receiving the working information acquired by the circuit breaker according to the data acquisition instruction.
Optionally, the control instruction further includes: a close command; after analyzing and acquiring the monitoring result according to the working information, the method further comprises:
determining a fault circuit breaker identifier according to the monitoring result;
and sending a closing instruction to the fault circuit breaker according to the fault circuit breaker identifier.
Optionally, the method further comprises:
and establishing an internal communication protocol and subscribing the working information to be received.
Optionally, before the collecting the operation information of each circuit breaker, the method further includes:
acquiring a record table of a master node identifier and a topology where a master node is located, wherein the record table comprises: identification of all circuit breakers in the topology where the master node is located.
Optionally, the method further comprises:
and if the record table is searched unsuccessfully, inquiring the identifier of the circuit breaker which is stored in the history in the database.
Optionally, the sending a control instruction to the circuit breaker according to the identifier of the circuit breaker includes:
and sending the control instruction to the circuit breaker according to the identifier of the circuit breaker in the record table or the identifier of the circuit breaker in the database.
Optionally, the work information comprises one or more of: operation and maintenance parameters, operation states, measurement data, protection data and record information.
Optionally, the method further comprises:
analyzing to obtain target data according to the working information, wherein the target data comprises one or more of the following items: alarm data, switching-on and switching-off data, fault data and equipment health degree;
and transmitting the target data to a master station.
In a second aspect, an embodiment of the present application further provides a smart grid system, including: fusing a terminal and a circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers;
the fusion terminal is in communication connection with the circuit breakers through a power line carrier communication module;
the fusion terminal is used for acquiring the working information of each circuit breaker and analyzing and acquiring a monitoring result according to the working information.
Optionally, the convergence terminal is further configured to send a control instruction to the circuit breaker according to the identifier of the circuit breaker.
Optionally, the control instruction includes: a data acquisition instruction;
the fusion terminal is specifically used for sending a data acquisition instruction to the circuit breaker through the power line carrier communication module; and receiving the working information acquired by the circuit breaker according to the data acquisition instruction.
Optionally, the control instruction includes: a close command;
and the fusion terminal is also used for sending a closing instruction to the fault circuit breaker according to the fault circuit breaker identification if the fault circuit breaker identification is determined according to the monitoring result.
Optionally, the converged terminal is further configured to establish an internal communication protocol and subscribe to the working information to be received.
Optionally, the convergence terminal is further configured to obtain a record table of the master node identifier and a topology where the master node is located, where the record table includes: identification of all circuit breakers in the topology where the master node is located.
Optionally, the convergence terminal is further configured to query the identifier of the breaker stored in the history in the database if the search of the record table fails.
Optionally, the convergence terminal is specifically configured to send the control instruction to the circuit breaker according to an identifier of the circuit breaker in the record table, or an identifier of the circuit breaker in the database.
Optionally, the work information comprises one or more of: operation and maintenance parameters, operation states, measurement data, protection data and record information;
optionally, the fusion terminal is further configured to analyze to obtain target data according to the working information, where the target data includes one or more of the following items: alarm data, switching-on and switching-off data, fault data and equipment health degree;
and transmitting the target data to a master station.
In a third aspect, an embodiment of the present application further provides a circuit breaker data management apparatus, including: the device comprises an acquisition module and an analysis module;
the acquisition module is used for acquiring the working information of each circuit breaker;
and the analysis module is used for analyzing and acquiring a monitoring result according to the working information.
In a fourth aspect, an embodiment of the present application further provides a convergence terminal, including: the data management system comprises a processor, a storage medium and a bus, wherein the storage medium stores program instructions executable by the processor, when the convergence terminal runs, the processor and the storage medium communicate through the bus, and the processor executes the program instructions to execute the steps of the data management method of the circuit breaker according to the first aspect.
In a fifth aspect, the present embodiments also provide a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is executed by a processor to perform the steps of the circuit breaker data management method according to the first aspect.
The beneficial effect of this application is:
the application provides a breaker data management method and a smart grid system, wherein the breaker data management method is applied to a fusion terminal of the smart grid system, and the smart grid system comprises the following steps: fusing a terminal and a circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers; the fusion terminal is in communication connection with each breaker through the power line carrier communication module. The method comprises the following steps: collecting working information of each circuit breaker; and analyzing and acquiring a monitoring result according to the working information. According to the method, data communication is achieved through the power line carrier communication module, wiring of the system is simplified, and meanwhile data transmission efficiency can be effectively improved.
And secondly, the fusion terminal can collect the working information of a plurality of circuit breakers through a control mode of controlling a plurality of circuit breakers, so that the analysis and early warning of the total electric energy, equipment faults and the like of the power grid can be realized, and the guidance significance is generated on the performance optimization of the power grid.
In addition, the target data obtained by analysis are sent to the master station, so that remote data acquisition and monitoring can be realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a block diagram of a smart grid system according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of a circuit breaker data management method according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart of another breaker data management method according to an embodiment of the present disclosure;
fig. 4 is a schematic overall flowchart of a circuit breaker data management method according to an embodiment of the present disclosure;
fig. 5 is a block diagram of another smart grid system provided in an embodiment of the present application;
fig. 6 is a schematic block diagram of a smart grid system according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of a circuit breaker data management apparatus according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a convergence terminal provided in an embodiment of the present application.
Icon: 110-a convergence terminal; 120-circuit breaker wiring network; 130-a master station; 111-smart switch data management application; 112-a logical carrier application; 113-104 adapting the application; 114-power carrier communication module; 115-a data center; 116-power harvesting application.
Detailed Description
In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the drawings in the present application are for illustrative and descriptive purposes only and are not used to limit the scope of protection of the present application. Additionally, it should be understood that the schematic drawings are not necessarily drawn to scale. The flowcharts used in this application illustrate operations implemented according to some embodiments of the present application. It should be understood that the operations of the flow diagrams may be performed out of order, and steps without logical context may be performed in reverse order or simultaneously. One skilled in the art, under the guidance of this application, may add one or more other operations to, or remove one or more operations from, the flowchart.
In addition, the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that in the embodiments of the present application, the term "comprising" is used to indicate the presence of the features stated hereinafter, but does not exclude the addition of further features.
Fig. 1 is a block diagram of a smart grid system according to an embodiment of the present application, where the breaker data management method of the present application may be applied to a convergence terminal in the smart grid system. Alternatively, as shown in fig. 1, the smart grid system may include: a convergence terminal 110, a circuit breaker connection network 120 and a master station 130, the master station 130 being understood to be a server.
Optionally, the convergence terminal 110 may be a terminal device based on a linux system, and a plurality of client applications may be installed in the convergence terminal 110, including: the intelligent switch data management application 111, the logic carrier applications 112, 104, and the adaptation application 113, and the convergence terminal 110 may further include: a power carrier communication module 114 and a data center 115. The intelligent switch data management application 111, the logical carrier applications 112, 104, the adaptation application 113, and the data center 115 may perform data transmission via MQTT (message queue telemetry transmission) message protocol, but not limited thereto.
The circuit breaker wiring network 120 may include a plurality of circuit breakers, which are a plurality of circuit breakers in the same area of the power grid. Wherein the same station area refers to a power supply range or area of one transformer.
Optionally, the convergence terminal 110 may be communicatively connected to a plurality of circuit breakers in the circuit breaker wiring network 120 through the power line carrier communication module 114, and the smart switch data management application 111 in the convergence terminal 110 is configured to collect, process, analyze, and the like data of the plurality of circuit breakers in the circuit breaker wiring network 120. Optionally, the smart switch data management application 111 may control the logic carrier application 112 and then control the power carrier communication module 114 to send related breaker data control instructions to complete searching, data acquisition, analysis and calculation of all breakers, and send the analysis results to the data center 115 for storage and sharing.
In addition, the convergence terminal 110 may adapt the application 113 through the application 104, and transmit the analysis result stored in the data center 115 to the master station 130 by using a mobile data network (e.g., 4G, 5G, etc.) or an ethernet, so that the master station 130 can remotely collect and monitor the breaker data.
In some embodiments, the master station 130 may be connected to a plurality of convergence terminals at the same time, and configured to perform comprehensive analysis on the received breaker data analysis results of different convergence terminals, so as to implement performance analysis of the power grid.
The following describes implementation steps and beneficial effects produced by the breaker data management method of the present application through a plurality of embodiments.
Fig. 2 is a schematic flowchart of a circuit breaker data management method according to an embodiment of the present disclosure; the method may be applied to the smart grid system shown in fig. 1, and an execution subject of the method may be the convergence terminal 110 in the smart grid system shown in fig. 1. Alternatively, as shown in fig. 2, the method may include:
s101, collecting the working information of each breaker.
Optionally, the convergence terminal may be an intelligent terminal device integrating multiple functions, which may be an embedded device similar to a computer, and the convergence terminal may integrate multiple common communication interfaces, including ethernet, 4G, 485, a switch signal, a serial port, and a power Line Carrier (HPLC) module applied in this embodiment.
In the embodiment, the convergence terminal is in communication connection with the plurality of circuit breakers in the circuit breaker wiring network through the power carrier communication module, the power carrier communication module does not need to realize communication connection through a complex communication line, all communication signals are directly transmitted through the existing three-phase power, and the data transmission efficiency can be effectively improved on the premise of simplifying the wiring.
Optionally, the convergence terminal may collect, through the power carrier communication module, operation information of each connected circuit breaker, where the operation information of the circuit breaker may represent various information of an operating state of the circuit breaker, and may include, for example: current, voltage, power, temperature, etc., without limitation. The integrated terminal can collect the working information of the plurality of circuit breakers through a control mode with a plurality of controllers, so that the unified management of the plurality of circuit breakers is realized, and the management efficiency is improved.
And S102, analyzing and acquiring a monitoring result according to the working information.
Optionally, the fusion terminal can analyze the working information according to the collected working information of the plurality of breakers, so that analysis and early warning of total electric energy, equipment faults and the like of the power grid under the platform area are realized. For example: the method is used for analyzing the energy consumption of the power grid, analyzing the fault rule and fault trend of the circuit breaker, performing fault early warning and the like, so that referential data are provided for optimizing the performance of the power grid.
In summary, the breaker data management method provided in this embodiment is applied to a convergence terminal of a smart grid system, and the smart grid system includes: fusing a terminal and a circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers; the fusion terminal is in communication connection with each breaker through the power line carrier communication module. The method comprises the following steps: collecting working information of each circuit breaker; and analyzing and acquiring a monitoring result according to the working information. According to the method, data communication is achieved through the power line carrier communication module, wiring of the system is simplified, and meanwhile data transmission efficiency can be effectively improved. In addition, the fusion terminal can collect the working information of a plurality of circuit breakers through a control mode with a plurality of controllers, so that the analysis and early warning of the total electric energy, equipment faults and the like of the power grid can be realized, and the guidance significance is generated on the performance optimization of the power grid.
Optionally, the method of the present application may further include: and sending a control instruction to the circuit breaker according to the identifier of the circuit breaker.
Optionally, for the whole power grid system, the power grid system may include a plurality of bays, a plurality of circuit breakers may be distributed under each bay, and one convergence terminal may be used to control and collect data of all circuit breakers under one bay controlled by the convergence terminal.
In addition, the working information of different circuit breakers is different, and due to different requirements for information, in some cases, only the working information of individual circuit breakers needs to be acquired, so that when the circuit breaker data is acquired, the fusion terminal can respectively send control instructions to the circuit breakers needing to acquire the working information according to the identifiers of the circuit breakers so as to acquire the corresponding working information, and the working information of all the circuit breakers can be acquired in some scenes without limitation. The identifier of the circuit breaker can be understood as the serial number or the equipment identifier of the circuit breaker, and is used for distinguishing the identity information of different circuit breakers. The control instructions may comprise a variety of different instructions to implement different control processes for the circuit breaker.
In this embodiment, through the sign of each circuit breaker, send corresponding control command respectively, the collection that can be accurate and the work information of recording different circuit breakers to accurate operating condition to different circuit breakers carries out the analysis, in order to realize the accurate monitoring to the circuit breaker.
Optionally, in the foregoing step, the control instruction may include: and (5) data acquisition instructions.
In step S101, collecting the working information of each circuit breaker may include: sending a data acquisition instruction to the circuit breaker through the power carrier communication module; and receiving the working information acquired by the circuit breaker according to the data acquisition instruction.
In some embodiments, the convergence terminal is configured to collect the working information of each circuit breaker, and then, the corresponding control instruction includes a data collection instruction, which is used to instruct the circuit breaker to feed back the working information to the convergence terminal.
Optionally, the convergence terminal sends a data acquisition instruction to the corresponding circuit breaker through the power line carrier communication module according to the identifier of the circuit breaker, and the circuit breaker returns a data result requested to be acquired by the convergence terminal to the convergence terminal.
Fig. 3 is a schematic flowchart of another breaker data management method according to an embodiment of the present disclosure; optionally, as shown in fig. 3, the control instruction in the above step may further include: and closing the command.
In the step S102, after analyzing and obtaining the monitoring result according to the working information, the method of the present application may further include:
s201, determining the identifier of the fault circuit breaker according to the monitoring result.
In some embodiments, when an emergency situation occurs and the circuit breaker needs to be switched on and off, or when the circuit breaker fails, the convergence terminal is used for switching on and off the failed circuit breaker, and then, the corresponding control instruction may be a closing instruction for instructing the corresponding circuit breaker to close.
When the breaker is subjected to on-off control in an emergency, the fusion terminal can send a closing instruction to the target breaker through the power carrier communication module through a received target breaker closing request so as to turn off the target breaker.
When closing the circuit breaker for under the circuit breaker trouble condition, the work information that fuses each circuit breaker that the terminal can be based on the collection judges whether there is trouble circuit breaker, for example: and judging whether overcurrent, overvoltage and the like occur according to the collected information of the current, the voltage, the electric power and the like of the circuit breaker, so as to determine whether the circuit breaker breaks down and acquire the identifier of the failed circuit breaker.
And S202, sending a closing instruction to the fault circuit breaker according to the fault circuit breaker identifier.
Optionally, after the identifier of the fault circuit breaker is determined, the convergence terminal may send a closing instruction to the fault circuit breaker through the power carrier communication module to control the circuit breaker to close, so as to avoid affecting normal operation of other circuit breakers, and ensure safety of power grid operation.
Optionally, the fault circuit breaker can be timely cut off by controlling the closing of the fused terminal to the fault circuit breaker, on one hand, maintenance personnel can be informed to timely maintain the fault circuit breaker, on the other hand, power distribution accidents caused by the fault circuit breaker can be avoided, and the safe operation of a power grid is guaranteed.
Optionally, the method of the present application further comprises: and establishing an internal communication protocol and subscribing the working information to be received.
According to the smart grid system described in fig. 1, when the convergence terminal is used for implementing the breaker data management method of the present application, the convergence terminal is implemented by controlling a plurality of client application programs installed inside the convergence terminal.
Optionally, before the convergence terminal sends the control instruction to the circuit breaker, an internal communication protocol may be established between the client applications, so as to establish a channel for data transmission between the applications.
The internal communication protocol established in this embodiment may be MQTT (message queue telemetry transport) protocol, which is a message protocol based on a publish/subscribe paradigm under the ISO standard (ISO/IEC PRF 20922). When an internal communication protocol is established unsuccessfully, multiple establishment attempts may be made until the communication protocol is successfully established.
Optionally, the internal communication Protocol established in this embodiment is not limited to the MQTT Protocol listed above, and may also be a Dbus (Data bus units, Data bus communication) communication mechanism, or an Udp (User Data Protocol) Protocol, and the setting of the internal communication Protocol is not specifically limited in this application.
Optionally, after the internal communication protocol is successfully established, the type of the work information required to be received can be further subscribed.
Generally, the working messages of the circuit breaker include multiple types, in some cases, when the convergence terminal collects the working messages of the circuit breaker, the convergence terminal does not need to collect all types of working information of the circuit breaker, but collects part of the working information in a targeted manner, so that the convergence terminal can subscribe to the required working message type before collecting the working messages, and accordingly, the required working information can be obtained from the circuit breaker according to the working message type.
Optionally, in step S101, before collecting the working information of each circuit breaker, the method of the present application may further include: acquiring a record table of a master node identifier and a topology where the master node is located, wherein the record table comprises: identification of all circuit breakers in the topology where the master node is located.
In the above embodiment, it has been described that the convergence terminal can send the control command to each circuit breaker through the identifier of the circuit breaker. In this embodiment, a method of acquiring the identifier of each breaker will be described.
In an implementation manner, the master node identity may be determined first, wherein the master node identity may also be understood as the identity of the power carrier communication module. Each circuit breaker is connected with the convergence terminal through the power carrier communication module, an interface of the power carrier communication module on the side of the convergence terminal can be used as a main node for sending a control instruction, and after the main node identification is determined, a recording table of the topology of the circuit breaker where the main node is located can be further searched.
Optionally, the record table is searched, that is, all circuit breakers under the power grid in the station area are searched, and if the record table is successfully searched, the identifiers of all circuit breakers under the power grid in the station area can be obtained, that is, the identifiers of all circuit breakers in the circuit breaker connection network connected to the convergence terminal are obtained.
Optionally, by searching the record table, the identifiers of all the circuit breakers in the topology where the master node is located can be quickly acquired, and the accuracy of the acquired identifiers of the circuit breakers is high.
Optionally, the method of the present application may further include: and if the search of the record table fails, inquiring the identifier of the circuit breaker which is stored in the database in a historical way.
In another implementable manner, there may be a possibility of failure to search the record table, for example: when the power carrier communication module has a problem in wiring, the identifiers of the circuit breakers cannot be acquired by searching the record table, and for the situation, the identifiers of all the circuit breakers in the circuit breaker wiring network connected with the convergence terminal can be acquired by inquiring the identifiers of the circuit breakers stored in the database.
Usually, the database stores the identifier of the circuit breaker in the power grid of the local area, and if the service environment of the circuit breaker is not changed, the circuit breaker in the power grid of the local area is the same as the circuit breaker in the power grid of the local area, and then the identifier of the circuit breaker in the local area connected with the fusion terminal can be obtained by querying the database.
Optionally, in the foregoing step, sending a control instruction to the circuit breaker according to the identifier of the circuit breaker may include: and sending a control instruction to the circuit breaker according to the identifier of the circuit breaker in the record table or the identifier of the circuit breaker in the database.
It should be noted that before sending a control instruction to each circuit breaker according to the determined identifier of the circuit breaker, the identifier of the circuit breaker historically stored in the database may be deleted, and the identifier of the circuit breaker obtained by searching the record table or the identifier of the circuit breaker obtained by querying the database may be stored in the database again, so as to update the identifier of the circuit breaker in the database, thereby ensuring the accuracy of the identifier of the circuit breaker connected to the convergence terminal.
Alternatively, the control instruction may be sent to each circuit breaker according to the identifier of the circuit breaker obtained by searching the record table, which is newly stored in the database, or by querying the database.
In an implementation mode, the fusion terminal can send control instructions to the circuit breakers at preset time intervals in sequence according to the identifiers of the circuit breakers, namely, the collection of working information is carried out in a timing cycle mode, so that the identifiers of the circuit breakers are obtained in sequence, the situation that the working information of a plurality of circuit breakers is obtained at one time, a system is disordered, and errors exist in the obtained information is avoided.
Optionally, the obtained operation information of each circuit breaker may include one or more of the following items: operation and maintenance parameters, operation states, measurement data, protection data and record information.
Optionally, the operation and maintenance data may include: the working time of the circuit breaker, input and output data of IO signals and the like; the operating state may include: circuit breaker operation times, alarm state, protection trip times, health degree and the like; the measurement data may include: ABCN phase current, ABC phase voltage, running power, electric energy and the like; protecting the data may include: a delay setting value, an ABCN project setting value, undervoltage protection and the like; recording data may include: alarm data, fault data, displacement records, and the like.
Through the acquired working information of each circuit breaker, the electric energy, equipment faults and the like of the power grid under the local area can be effectively analyzed. For example: firstly, the method comprises the following steps: and analyzing energy consumption, and performing trend and fault analysis on the acquired measurement data. Secondly, the method comprises the following steps: energy consumption management is carried out, and various electric energy consumptions of the circuit breaker are accurately recorded, so that the energy consumption can be displayed in a classified mode according to the modes of sites, regions, departments, time, electricity utilization types and the like. Thirdly, the method comprises the following steps: alarm and event analysis: alarm responses are collected at high speed, and alarms or events for each circuit breaker are captured and recorded. Fourthly: the equipment monitoring is used for monitoring the health degree, the protection parameters and the operation parameters of the single circuit breaker, preventing power distribution accidents caused by circuit breaker faults and aging, and checking the current working state of the circuit breaker in real time. Optionally, according to the analysis result, the performance of the power grid in the local area may be optimized to ensure the reliability of the operation of the power grid.
Optionally, based on the obtained operating information of the circuit breaker, the method of the present application may further include:
analyzing to obtain target data according to the working information, wherein the target data comprises one or more of the following items: alarm data, switching-on and switching-off data, fault data, equipment health degree and the like; and transmitting the target data to the master station.
In some embodiments, the convergence terminal may analyze the working information according to the collected working information of the circuit breaker, so as to obtain the target data. For example: the collected voltage or current information of the circuit breaker is analyzed and compared with a preset threshold value, whether the circuit breaker is overvoltage or overcurrent is judged, and alarm data are generated when the circuit breaker is overvoltage or overcurrent so as to turn off the circuit breaker according to the alarm data. Another example is: the health degree of the circuit breaker can be analyzed according to the collected data of the operating power, the electric energy and the like of the circuit breaker.
Optionally, the convergence terminal may store the target data obtained through the analysis in a data center, and may also transmit the stored target data to the master station through an adaptive application program by using a mobile data network or an ethernet, so as to implement remote data acquisition and monitoring.
Fig. 4 is a schematic overall flowchart of a circuit breaker data management method according to an embodiment of the present disclosure; as shown in fig. 4, the method may include:
s301, establishing an internal communication protocol and subscribing to the work information to be received.
S302, acquiring a main node identifier.
S303, acquiring a record table of the topology where the master node is located.
S304, if the search of the record table fails, the identifier of the circuit breaker stored in the history in the database is inquired.
And S305, monitoring the breaker.
And S306, collecting the working information of the circuit breaker or controlling the circuit breaker to be closed. If the breaker working information is collected, executing the steps S307-S310; if the breaker is controlled to be closed, steps S311-S312 are executed.
And S307, sending a data acquisition instruction to the circuit breaker according to the identifier of the circuit breaker.
And S308, receiving the working information sent by the circuit breaker, and analyzing to obtain a monitoring result.
And S309, storing the working information and the monitoring result of each breaker.
And S310, sending the working information and the monitoring result of each breaker to a master station.
And S311, sending a closing instruction to the fault circuit breaker according to the identifier of the fault circuit breaker.
And S312, controlling to close the fault circuit breaker.
The specific implementation of the above steps has been described in the above embodiments one by one, and details are not repeated here, and can be understood with reference to the above embodiments.
To sum up, the breaker data management method provided by the embodiment of the present application is applied to a convergence terminal of a smart grid system, and the smart grid system includes: fusing a terminal and a circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers; the fusion terminal is in communication connection with each breaker through the power line carrier communication module. The method comprises the following steps: collecting working information of each circuit breaker; and analyzing and acquiring a monitoring result according to the working information. According to the method, data communication is achieved through the power line carrier communication module, wiring of the system is simplified, and meanwhile data transmission efficiency can be effectively improved.
And secondly, the fusion terminal can collect the working information of a plurality of circuit breakers through a control mode of controlling a plurality of circuit breakers, so that the analysis and early warning of the total electric energy, equipment faults and the like of the power grid can be realized, and the guidance significance is generated on the performance optimization of the power grid.
In addition, the target data obtained by analysis are sent to the master station, so that remote data acquisition and monitoring can be realized.
The following describes an intelligent power grid system for executing the breaker data management method provided by the present application, and the specific implementation process and technical effect of the method executed by the convergence terminal in the intelligent power grid system are referred to above, and are not described in detail below.
Optionally, referring to fig. 1 above, the smart grid system may include: fusing a terminal and a circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers; the circuit breakers are connected in series to form a multi-stage circuit breaker topology network.
The fusion terminal is in communication connection with each circuit breaker through a power line carrier communication module;
and the fusion terminal is used for acquiring the working information of each circuit breaker and analyzing and acquiring the monitoring result according to the working information.
Optionally, the convergence terminal is further configured to send a control instruction to the circuit breaker according to the identifier of the circuit breaker.
Optionally, the control instructions include: a data acquisition instruction;
the fusion terminal is specifically used for sending a data acquisition instruction to the circuit breaker through the power line carrier communication module; and receiving the working information acquired by the circuit breaker according to the data acquisition instruction.
Optionally, the control instructions include: a close command;
and the fusion terminal is also used for sending a closing instruction to the fault circuit breaker according to the fault circuit breaker identification if the fault circuit breaker identification is determined according to the monitoring result.
Optionally, the convergence terminal is further configured to establish an internal communication protocol and subscribe to the work information to be received.
Optionally, the convergence terminal is further configured to obtain a record table of the master node identifier and a topology where the master node is located, where the record table includes: identification of all circuit breakers in the topology where the master node is located.
Optionally, the convergence terminal is further configured to query the identifier of the breaker historically stored in the database if the search of the record table fails.
Optionally, the convergence terminal is specifically configured to send a control instruction to the circuit breaker according to the identifier of the circuit breaker in the record table or the identifier of the circuit breaker in the database.
Optionally, the work information comprises one or more of: operation and maintenance parameters, operation states, measurement data, protection data and record information.
Optionally, the fusion terminal is further configured to analyze the working information to obtain target data, where the target data includes one or more of the following items: alarm data, switching-on and switching-off data, fault data and equipment health degree;
and transmitting the target data to the master station.
The fusion terminal is used for executing the method provided by the foregoing embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 5 is a block diagram of another smart grid system provided in the embodiment of the present application, and optionally, as shown in fig. 5, the smart grid system may include a convergence terminal 110, a breaker connection network 120, and a master station 130.
Unlike the smart grid system shown in fig. 1, in the present embodiment, a plurality of client applications included in the convergence terminal 110 in the smart grid system may be combined into one application, that is, the electric energy collection application 116 shown in fig. 5.
Optionally, the electric energy collection application 116 in the convergence terminal 110 may send a control instruction to each circuit breaker according to a preset 485 communication address through RS 485. Meanwhile, the received work information of each circuit breaker can be processed, analyzed and stored. Similarly, the power harvesting application 116 may also send a shutdown command to the fault circuit interrupter via 485 to control the shutdown of the fault circuit interrupter.
It should be noted that, in this embodiment, when acquiring the identifier of the circuit breaker, the convergence terminal 110 is different from the above-mentioned method of acquiring the identifier of the circuit breaker by searching the record table or querying the database, but the identifier information of the circuit breaker is configured in advance in the convergence terminal 110, so that the convergence terminal 110 can send the control instruction to each circuit breaker according to the preset identifier of the circuit breaker.
The specific steps of the method executed by the convergence terminal in the smart grid system can be understood by referring to the description of the breaker data management method in the present application, and are not described herein again.
Fig. 6 is a schematic block diagram of a smart grid system according to an embodiment of the present application, and as shown in fig. 6, the smart grid system may include: the system comprises a main station 130 and at least one convergence terminal 110, wherein each convergence terminal 110 is in communication connection with the main station 130, each convergence terminal 110 is further connected with a circuit breaker wiring network 120, and each circuit breaker wiring network 120 can comprise a plurality of circuit breakers.
The convergence terminal 110 can execute the breaker data management method provided by the present application, and the specific method implementation steps are the same.
In addition to the above-mentioned fusion terminal sending a control instruction to the circuit breaker cyclically to obtain the working information of the circuit breaker, in another realizable manner, the master station 130 may send a control instruction to any one of the fusion terminals 110, and the control instruction may be used to instruct the fusion terminal 110 to collect the working information of the circuit breaker under the power grid of the local area or to close the failed circuit breaker.
Optionally, each convergence terminal 110 may perform analysis processing according to the acquired work information of the circuit breaker connected to the terminal to obtain a monitoring result, and may send the work information and the monitoring result of the circuit breaker to the master station, so as to implement remote monitoring of data, and form big data summary, thereby implementing big data analysis.
Fig. 7 is a schematic diagram of a circuit breaker data management apparatus according to an embodiment of the present application, and optionally, as shown in fig. 7, the apparatus may include: an acquisition module 701 and an analysis module 702;
the acquisition module 701 is used for acquiring the working information of each circuit breaker;
and the analysis module 702 is configured to analyze and obtain a monitoring result according to the working information.
The above-mentioned apparatus is used for executing the method provided by the foregoing embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 8 is a schematic structural diagram of a convergence terminal provided in an embodiment of the present application, where the terminal may be a convergence terminal in the smart grid system.
As shown in fig. 8, the convergence terminal may include: a processor 801 and a memory 802.
The memory 802 is used for storing programs, and the processor 801 calls the programs stored in the memory 802 to execute the above-mentioned method embodiments. The specific implementation and technical effects are similar, and are not described herein again.
Optionally, the invention also provides a program product, for example a computer-readable storage medium, comprising a program which, when being executed by a processor, is adapted to carry out the above-mentioned method embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed 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 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, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Claims (11)
1. A breaker data management method is applied to a fusion terminal of a smart grid system, and the smart grid system comprises the following steps: the convergence terminal and the circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers; the fusion terminal is in communication connection with the circuit breakers through a power line carrier communication module;
the method comprises the following steps:
collecting working information of each circuit breaker;
and analyzing and acquiring a monitoring result according to the working information.
2. The method of claim 1, further comprising:
and sending a control instruction to the circuit breaker according to the identifier of the circuit breaker.
3. The method of claim 2, wherein the control instructions comprise: a data acquisition instruction;
the collecting of the working information of each of the circuit breakers includes:
sending a data acquisition instruction to the circuit breaker through the power carrier communication module;
and receiving the working information acquired by the circuit breaker according to the data acquisition instruction.
4. The method of claim 2, wherein the control instructions further comprise: a close command; after analyzing and acquiring the monitoring result according to the working information, the method further comprises:
determining a fault circuit breaker identifier according to the monitoring result;
and sending a closing instruction to the fault circuit breaker according to the fault circuit breaker identifier.
5. The method of claim 1, further comprising:
and establishing an internal communication protocol and subscribing the working information to be received.
6. The method of claim 1, wherein prior to collecting the operational information for each of the circuit breakers, the method further comprises:
acquiring a record table of a master node identifier and a topology where a master node is located, wherein the record table comprises: identification of all circuit breakers in the topology where the master node is located.
7. The method of claim 6, further comprising:
and if the record table is searched unsuccessfully, inquiring the identifier of the circuit breaker which is stored in the history in the database.
8. The method of claim 7, wherein sending control commands to the circuit breaker based on the identity of the circuit breaker comprises:
and sending the control instruction to the circuit breaker according to the identifier of the circuit breaker in the record table or the identifier of the circuit breaker in the database.
9. The method of any one of claims 1-8, wherein the work information includes one or more of: operation and maintenance parameters, operation states, measurement data, protection data and record information.
10. The method of claim 9, further comprising:
analyzing to obtain target data according to the working information, wherein the target data comprises one or more of the following items: alarm data, switching-on and switching-off data, fault data and equipment health degree;
and transmitting the target data to a master station.
11. A smart grid system, comprising: fusing a terminal and a circuit breaker wiring network; the circuit breaker wiring network comprises a plurality of circuit breakers;
the fusion terminal is in communication connection with the circuit breakers through a power line carrier communication module;
the fusion terminal is used for acquiring the working information of each circuit breaker and analyzing and acquiring a monitoring result according to the working information.
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