CN112751421A - Digital computing enhanced high-reliability low-voltage power distribution safety monitoring system - Google Patents
Digital computing enhanced high-reliability low-voltage power distribution safety monitoring system Download PDFInfo
- Publication number
- CN112751421A CN112751421A CN202110167394.XA CN202110167394A CN112751421A CN 112751421 A CN112751421 A CN 112751421A CN 202110167394 A CN202110167394 A CN 202110167394A CN 112751421 A CN112751421 A CN 112751421A
- Authority
- CN
- China
- Prior art keywords
- information
- current
- safety monitoring
- voltage
- monitoring system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- 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
- H02J13/00016—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 a wired telecommunication network or a data transmission bus
-
- 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
-
- 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
- H02J2213/00—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network
- H02J2213/10—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network using simultaneously two or more different transmission means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
-
- 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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The patent discloses a digital computation enhanced high-reliability low-voltage power distribution safety monitoring system, which comprises a system information acquisition module, an edge computation server and a cloud data center; the system information acquisition module exchanges information with the edge computing server through a field bus, the edge computing server is connected with the cloud data center through a 5G mobile network, and the cloud data center is used for a user to access and monitor; the system information acquisition module comprises a voltage information module for acquiring voltage information, a current information module for acquiring current information and a primary and secondary fusion equipment information module for acquiring related information of primary and secondary fusion equipment. The high-reliability electricity utilization safety monitoring system is constructed through the patent.
Description
Technical Field
The patent relates to the technical field of electric power safety monitoring, in particular to a digital computing enhanced high-reliability low-voltage power distribution safety monitoring system.
Background
Traditional low voltage distribution safety monitoring device, for example various relays, generally adopt the analog computation judgement that simple threshold value set for, its application generally has following drawback: (1) the single variable threshold value is calculated in an analog mode, and the misjudgment rate is high. For example, a single-phase residual current protector can act and trip as long as the residual current exceeds 30 mA. When surge voltage or lightning overvoltage occurs on a power supply, false operation can occur, and when insulation resistance is reduced in rainy days, false operation can also occur. (2) The accuracy of the safety device is low, and the conventional relay protection is switching value operation, for example, a fuse acts as overcurrent protection, a current coil acts as a current detection element, a voltage coil acts as a detection element for overvoltage and undervoltage, and the like, and the measurement accuracy is not high. (3) The reliability of the element is low, and the traditional relay protection elements are elements based on the electromagnetic action principle, the detection characteristic and the action characteristic of the traditional relay protection elements are influenced by a plurality of environmental factors, and the reliability is poor, for example, the influence of the environmental temperature on the physical properties of the magnetic conductive material is influenced, and the like.
With the development of electronic information technology, microcomputer relay protection devices for power systems have appeared. Due to the rapid development of electronic information technology, microcomputer relay protection devices have not been popularized and applied yet, and are technically laggard. The microcomputer relay protection device is viewed against the technical conditions of the present day, and the laggard behind is mainly reflected in the following aspects: (1) the reliability of the device is low, and the system structure of the microcomputer relay protection device is generally a central processing structure of a microprocessor and external equipment, and the performance and the reliability of the microcomputer relay protection device are different. (2) The computing capability is not enough, the computing capability of the microcomputer relay protection device is limited to Boolean algebra computation for replacing a relay and simple analog quantity processing, and the Boolean algebra computation is far inferior to various special integrated circuits at present. (3) The single machine operation can not be cooperated with multiple machines, and the single machine operation has the defect that a multivariable criterion can not be conveniently formed. For example, in residual current protection devices, classifier criteria consisting of binary variables of current value and current variation value cannot be implemented.
Disclosure of Invention
The purpose of this patent is to design a digital computation enhanced high reliability low voltage distribution safety monitoring system, makes it solve above-mentioned technical problem.
In order to achieve the purpose, the patent provides the following technical scheme:
a digital computation enhanced high-reliability low-voltage power distribution safety monitoring system comprises a system information acquisition module, an edge computation server and a cloud data center; the system information acquisition module exchanges information with the edge computing server through a field bus, the edge computing server is connected with the cloud data center through a 5G mobile network, and the cloud data center is used for a user to access and monitor; the system information acquisition module comprises a voltage information module for acquiring voltage information, a current information module for acquiring current information and a primary and secondary fusion equipment information module for acquiring related information of primary and secondary fusion equipment.
Furthermore, the voltage information module comprises a plurality of voltage transformers, a first current-voltage conversion and pulse modulation device, a first single-mode optical cable, a first optical pulse receiving and analog signal reconstruction device and a first embedded high-speed real-time data acquisition and operation computer which are sequentially connected. According to the arrangement, the main links of transmitting the voltage information to the edge computing server are as follows: acquiring an equivalent voltage source by using the secondary side of the voltage transformer; then, a first current-voltage conversion and pulse modulation device is utilized to convert the high voltage 100V into low voltage, and the double-end input is converted into single-end input; then, transmitting the signal to a first optical pulse receiving and analog signal reconstruction device by using a first single-mode optical cable to reconstruct an analog signal; the first embedded high-speed real-time data acquisition and operation computer carries out high-speed acquisition and real-time operation and then transmits the data to the edge calculation server through field buses such as RS485 and the like.
Furthermore, the current information module comprises a plurality of current transformers, a second current-voltage conversion and pulse modulation device, a second single-mode optical cable, a second optical pulse receiving and analog signal reconstruction device and a second embedded high-speed real-time data acquisition and operation computer which are sequentially connected. So set up, the main link that the current information conveys to the edge calculation server is: obtaining an equivalent current source by using the secondary side of the current transformer; subsequently converting the current voltage and modulating the pulse width (PMW) by a second current-voltage conversion and pulse modulation device; then, transmitting the signal to a second optical pulse receiving and analog signal reconstruction device by using a second single-mode optical cable to reconstruct an analog signal; and after the second embedded high-speed real-time data acquisition and operation computer carries out high-speed acquisition and real-time operation, the data are transmitted to the edge calculation server through field buses such as RS485 and the like.
Further, the first embedded high-speed real-time data acquisition and operation computer and the second embedded high-speed real-time data acquisition and operation computer are Digital Signal Processors (DSPs). According to the arrangement, the digital signal processor DSP is used for realizing high-speed acquisition of local analog signals and characteristic quantity transformation before pattern recognition, such as fast Fourier transformation.
Furthermore, the primary and secondary fusion equipment information module comprises a switch device information module, an electric energy meter information module and a special function information module. Under the condition of the prior art, under the guidance of the idea of primary and secondary fusion equipment of a power system, a plurality of special functions in the aspect of power utilization safety are developed and completed by various manufacturers, and corresponding function calls are provided for various systems through field buses such as RS485 and the like. For example, in a 0.4 kV switch, the processing capability of an embedded single chip microcomputer is combined, the identification and early warning of arc discharge in a circuit are realized, the identification and early warning of residual current in the circuit are realized, and the real-time test and early warning of the insulation strength in the circuit are realized. For example, in some electric energy meters, an identification function for identifying dangerous electric appliances has been embedded and developed, and this specific function call is provided to various users through interfaces such as RS 485. For example, some switch manufacturers fuse and design a function of identifying electrical fire in the switch device, and provide the function for various users to call through a field bus RS485 and the like.
Further, the structure and principle of the edge computing server are that the server can adopt a general industrial control server, and various state variables of the monitored object can be integrated and combined in the server. Therefore, a multivariable and advanced pattern recognition classifier can be realized in the server so as to realize accurate electrical appliance safety evaluation, prediction and early warning on a power utilization field. Another important function of the server is to transmit the security evaluation conclusion at each moment and the current state variable information to the cloud data center to form a system operation file, so as to provide conditions for further big data analysis and judgment.
Furthermore, the cloud data center has the structure and the function that the cloud data center realizes large-scale data regression analysis and system safety modeling, realizes dynamic monitoring and early warning on electrical insulation, and realizes service life prediction of various electrical elements and experience recording of various original components. For example, by recording lightning, the replacement and maintenance dates of the lightning arrester and the corresponding electric facilities can be predicted, and the service life and application effect of various lightning arresters, such as the on-off time of the valve type lightning arrester, the magnitude of residual voltage after the lightning arrester is turned on and the like, can be statistically evaluated. And a cloud data center. Optimization and updating of various algorithms of the internet edge server computer may also be implemented.
Furthermore, the user accesses the cloud data center through the PC end and the mobile end. By the arrangement, the control and the use are simple and convenient by multiple access modes.
Compared with the prior art, the beneficial effect of this patent:
(1) the high-reliability electricity utilization safety monitoring system is constructed, and the edge computing server technology, the analog quantity optical cable transmission technology and the field bus technology based on the 5G technology are adopted, so that the data transmission delay is reduced, the data processing speed is accelerated, the computing capacity is improved, and the purpose of high reliability is achieved.
(2) Under the hardware support of modern information technology, various advanced pattern recognition classifier technologies, process prediction technologies and the like are utilized to comprehensively analyze current, voltage and relevant data information of primary and secondary fusion equipment, so that the accuracy and reliability of the electric power safety monitoring device are realized.
(3) The cloud digital twin for monitoring the safety of the electricity utilization process is realized, abundant running data records are formed, multi-machine coordinated systematic management of the electricity utilization safety is realized under the support of a cloud big data technology, and the fire fighting of the electricity utilization safety risk is realized.
(4) The method is a flexible and convenient system method for rapidly integrating various functions of 'primary and secondary integration equipment'.
Drawings
In order to more clearly illustrate the embodiments of the present patent or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present patent, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic block diagram of the present patent;
Detailed Description
The technical solutions in this patent will be described clearly and completely with reference to the accompanying drawings in this patent, and obviously, only some embodiments, not all embodiments, of this patent are described. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
The embodiment and the working principle thereof are as follows:
a digital computation enhanced high-reliability low-voltage power distribution safety monitoring system comprises a system information acquisition module, an edge computation server and a cloud data center; the system information acquisition module exchanges information with the edge computing server through a field bus, the edge computing server is connected with the cloud data center through a 5G mobile network, and the cloud data center is used for a user to access and monitor; the system information acquisition module comprises a voltage information module for acquiring voltage information, a current information module for acquiring current information and a primary and secondary fusion equipment information module for acquiring related information of primary and secondary fusion equipment.
Furthermore, the voltage information module comprises a plurality of voltage transformers, a first current-voltage conversion and pulse modulation device, a first single-mode optical cable, a first optical pulse receiving and analog signal reconstruction device and a first embedded high-speed real-time data acquisition and operation computer which are sequentially connected. According to the arrangement, the main links of transmitting the voltage information to the edge computing server are as follows: acquiring an equivalent voltage source by using the secondary side of the voltage transformer; then, a first current-voltage conversion and pulse modulation device is utilized to convert the high voltage 100V into low voltage, and the double-end input is converted into single-end input; then, transmitting the signal to a first optical pulse receiving and analog signal reconstruction device by using a first single-mode optical cable to reconstruct an analog signal; the first embedded high-speed real-time data acquisition and operation computer carries out high-speed acquisition and real-time operation and then transmits the data to the edge calculation server through field buses such as RS485 and the like.
Furthermore, the current information module comprises a plurality of current transformers, a second current-voltage conversion and pulse modulation device, a second single-mode optical cable, a second optical pulse receiving and analog signal reconstruction device and a second embedded high-speed real-time data acquisition and operation computer which are sequentially connected. So set up, the main link that the current information conveys to the edge calculation server is: obtaining an equivalent current source by using the secondary side of the current transformer; subsequently converting the current voltage and modulating the pulse width (PMW) by a second current-voltage conversion and pulse modulation device; then, transmitting the signal to a second optical pulse receiving and analog signal reconstruction device by using a second single-mode optical cable to reconstruct an analog signal; and after the second embedded high-speed real-time data acquisition and operation computer carries out high-speed acquisition and real-time operation, the data are transmitted to the edge calculation server through field buses such as RS485 and the like.
Further, the first embedded high-speed real-time data acquisition and operation computer and the second embedded high-speed real-time data acquisition and operation computer are Digital Signal Processors (DSPs). According to the arrangement, the digital signal processor DSP is used for realizing high-speed acquisition of local analog signals and characteristic quantity transformation before pattern recognition, such as fast Fourier transformation.
Furthermore, the primary and secondary fusion equipment information module comprises a switch device information module, an electric energy meter information module and a special function information module. Under the condition of the prior art, under the guidance of the idea of primary and secondary fusion equipment of a power system, a plurality of special functions in the aspect of power utilization safety are developed and completed by various manufacturers, and corresponding function calls are provided for various systems through field buses such as RS485 and the like. For example, in a 0.4 kV switch, the processing capability of an embedded single chip microcomputer is combined, the identification and early warning of arc discharge in a circuit are realized, the identification and early warning of residual current in the circuit are realized, and the real-time test and early warning of the insulation strength in the circuit are realized. For example, in some electric energy meters, an identification function for identifying dangerous electric appliances has been embedded and developed, and this specific function call is provided to various users through interfaces such as RS 485. For example, some switch manufacturers fuse and design a function of identifying electrical fire in the switch device, and provide the function for various users to call through a field bus RS485 and the like.
Further, the structure and principle of the edge computing server are as follows: the server can adopt a general industrial control server, and various state variables of the monitored object can be integrated and combined in the server. Therefore, a multivariable and advanced pattern recognition classifier can be realized in the server so as to realize accurate electrical appliance safety evaluation, prediction and early warning on a power utilization field. Another important function of the server is to transmit the security evaluation conclusion at each moment and the current state variable information to the cloud data center to form a system operation file, so as to provide conditions for further big data analysis and judgment.
Further, the structure and function of the cloud data center are as follows: the cloud data center realizes large-scale data regression analysis and system safety modeling, realizes dynamic monitoring and early warning on electrical appliance insulation, and realizes service life prediction of various electrical elements and experience recording of various original components. For example, by recording lightning, the replacement and maintenance dates of the lightning arrester and the corresponding electric facilities can be predicted, and the service life and application effect of various lightning arresters, such as the on-off time of the valve type lightning arrester, the magnitude of residual voltage after the lightning arrester is turned on and the like, can be statistically evaluated. And a cloud data center. Optimization and updating of various algorithms of the internet edge server computer may also be implemented.
Furthermore, the user accesses the cloud data center through the PC end and the mobile end. By the arrangement, the control and the use are simple and convenient by multiple access modes.
The beneficial effects of this embodiment:
(1) the high-reliability electricity utilization safety monitoring system is constructed, and the edge computing server technology, the analog quantity optical cable transmission technology and the field bus technology based on the 5G technology are adopted, so that the data transmission delay is reduced, the data processing speed is accelerated, the computing capacity is improved, and the purpose of high reliability is achieved.
(2) Under the hardware support of modern information technology, various advanced pattern recognition classifier technologies, process prediction technologies and the like are utilized to comprehensively analyze current, voltage and relevant data information of primary and secondary fusion equipment, so that the accuracy and reliability of the electric power safety monitoring device are realized.
(3) The cloud digital twin for monitoring the safety of the electricity utilization process is realized, abundant running data records are formed, multi-machine coordinated systematic management of the electricity utilization safety is realized under the support of a cloud big data technology, and the fire fighting of the electricity utilization safety risk is realized.
(4) The method is a flexible and convenient system method for rapidly integrating various functions of 'primary and secondary integration equipment'.
Claims (5)
1. The utility model provides a digital computation reinforced high reliability low voltage distribution safety monitoring system which characterized in that: the system comprises a system information acquisition module, an edge calculation server and a cloud data center; the system information acquisition module exchanges information with the edge computing server through a field bus, the edge computing server is connected with the cloud data center through a 5G mobile network, and the cloud data center is used for a user to access and monitor; the system information acquisition module comprises a voltage information module for acquiring voltage information, a current information module for acquiring current information and a primary and secondary fusion equipment information module for acquiring related information of primary and secondary fusion equipment.
2. The digital computing enhanced high reliability low voltage power distribution safety monitoring system of claim 1, wherein: the voltage information module comprises a plurality of voltage transformers, a first current-voltage conversion and pulse modulation device, a first single-mode optical cable, a first optical pulse receiving and analog signal reconstruction device and a first embedded high-speed real-time data acquisition and operation computer which are sequentially connected.
3. The digital computing enhanced high reliability low voltage power distribution safety monitoring system of claim 2, wherein: the current information module comprises a plurality of current transformers, a second current-voltage conversion and pulse modulation device, a second single-mode optical cable, a second optical pulse receiving and analog signal reconstruction device and a second embedded high-speed real-time data acquisition and operation computer which are sequentially connected.
4. The digital computing enhanced high reliability low voltage power distribution safety monitoring system of claim 3, wherein: the first embedded high-speed real-time data acquisition and operation computer and the second embedded high-speed real-time data acquisition and operation computer are Digital Signal Processors (DSPs).
5. The digital computing enhanced high reliability low voltage power distribution safety monitoring system of claim 1, wherein: the primary and secondary fusion equipment information module comprises a switch device information module, an electric energy meter information module and a special function information module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110167394.XA CN112751421A (en) | 2021-02-05 | 2021-02-05 | Digital computing enhanced high-reliability low-voltage power distribution safety monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110167394.XA CN112751421A (en) | 2021-02-05 | 2021-02-05 | Digital computing enhanced high-reliability low-voltage power distribution safety monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112751421A true CN112751421A (en) | 2021-05-04 |
Family
ID=75651879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110167394.XA Pending CN112751421A (en) | 2021-02-05 | 2021-02-05 | Digital computing enhanced high-reliability low-voltage power distribution safety monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112751421A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115877198A (en) * | 2022-12-23 | 2023-03-31 | 国网山东省电力公司蒙阴县供电公司 | Primary and secondary fusion switch fault diagnosis early warning system based on edge calculation |
-
2021
- 2021-02-05 CN CN202110167394.XA patent/CN112751421A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115877198A (en) * | 2022-12-23 | 2023-03-31 | 国网山东省电力公司蒙阴县供电公司 | Primary and secondary fusion switch fault diagnosis early warning system based on edge calculation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109782060B (en) | Lean line loss analysis system | |
| CN201444191U (en) | Direct-current power supply online monitoring system | |
| CN204243896U (en) | For the on off state monitoring device of power distribution network | |
| CN108132425A (en) | Power grid distribution line failure on-line monitoring method and system | |
| CN203691057U (en) | Arc online monitoring and protecting system | |
| CN108876197B (en) | Power equipment cluster and group analysis system | |
| CN105093063A (en) | Online power grid fault diagnosis method based on multisource data characteristic unit combination judgment | |
| CN114383652A (en) | Method, system and device for identifying potential fault online risk of power distribution network | |
| CN112583117A (en) | Data assembly service system based on intelligent edge terminal | |
| CN202737580U (en) | Intelligent power distribution switch equipment | |
| CN113572193B (en) | Distributed power island operation state identification method, fusion terminal and system | |
| CN203339659U (en) | Single-phase electric leakage protection and power supply automation recovery device | |
| CN115051333A (en) | Differential protection and self-healing system for intelligent distribution network | |
| CN112751421A (en) | Digital computing enhanced high-reliability low-voltage power distribution safety monitoring system | |
| CN113708489A (en) | Electric power secondary equipment warning method and system | |
| CN110749802B (en) | Fault positioning method and system for low-voltage distribution network | |
| CN104020393B (en) | A kind of with electrical network one-phase short-circuit current Fault Locating Method | |
| CN211046116U (en) | Intelligent second grade block terminal is used to job site | |
| CN105071337A (en) | Self-feedback intelligent earth leakage protection controlling device and method | |
| CN212483779U (en) | Moulded case circuit breaker device | |
| CN202870258U (en) | Online electric abrasion detecting system of vacuum circuit breaker | |
| CN108683257A (en) | A kind of the State-Inspect of High-Voltage Circuit device and its monitoring method of more characteristic parameters fusion | |
| CN215870906U (en) | Digital computing enhanced high-reliability low-voltage power distribution safety monitoring system | |
| CN214506661U (en) | System based on low-voltage transformer area line loss rapid positioning | |
| CN112467696B (en) | Power distribution system management device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |