CN109546747B - Intelligent power transmission and distribution network fault early warning management system - Google Patents
Intelligent power transmission and distribution network fault early warning management system Download PDFInfo
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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
- H02J13/00001—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]
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H02J13/0075—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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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
- Y04S40/126—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
Abstract
The invention provides an intelligent power transmission and distribution network fault early warning management system which comprises a plurality of power transmission and distribution network nodes, wherein each power transmission and distribution network node is provided with a power grid monitoring module, an environment monitoring module and a node monitoring module, the power grid monitoring module is connected with a terminal through a first communication unit, the environment monitoring module is connected with the terminal through a second communication unit, the node monitoring module is connected with the terminal through a third communication unit, the terminal is connected with a cloud server, and the cloud server transmits data to a user side, an emergency server and a database respectively; the power grid monitoring module, the environment monitoring module and the node monitoring module are respectively connected with a self-powered module, and the self-powered module is connected with the storage battery. According to the invention, the environment information, the fault information and the position information of each node in the transmission and distribution network are comprehensively analyzed, so that the operation stability of each node in the transmission and distribution network is improved, the resource of each node is integrated, and the fault repairing efficiency of the nodes in the transmission and distribution network is improved.
Description
Technical Field
The invention relates to the technical field of fault processing of transmission and distribution networks, in particular to an intelligent fault early warning management system for the transmission and distribution networks.
Background
In recent years, domestic electric power construction makes a major breakthrough, electric power line laying covering radiation in various domestic areas is realized, domestic electric power construction formally enters the electric power transmission quality development stage, in the electric power line laying process, the laying position is mostly in remote areas, particularly in mountainous areas, the laying difficulty is high, the influence factors are many, and line transmission is easy to break down.
In the process of power transmission, the electric wire laying span is large, the power transmission loss is large, and in order to solve the problem of large power transmission loss, a multi-stage node is arranged in a power transmission and distribution network and used for reducing the power voltage and reducing the power loss, but once a fault occurs in each node of the power transmission and distribution network, the power transmission stability of the whole power transmission line is influenced, when an electric power worker repairs an electric power fault, the power transmission line needs to be checked one by one, so that the time is very long, the working strength is large, and the repair efficiency of the electric power worker is low; in summer and winter, rain and snow are more, the bearing load of the whole power transmission line is increased, and great threat is caused to the transmission of the whole power line.
Disclosure of Invention
The invention provides an intelligent transmission and distribution network fault early warning management system, aiming at the technical problems that the traditional electric power staff is low in emergency repair efficiency and the difficulty in inquiring the node fault of a transmission and distribution network is high.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
an intelligent power transmission and distribution network fault early warning management system comprises a plurality of power transmission and distribution network nodes, wherein each power transmission and distribution network node is provided with a power grid monitoring module, an environment monitoring module and a node monitoring module, each power grid monitoring module is connected with a terminal through a first communication unit, each environment monitoring module is connected with the terminal through a second communication unit, each node monitoring module is connected with the terminal through a third communication unit, each terminal is connected with a cloud server, and the cloud servers respectively transmit data to a user side, an emergency server and a database; the power grid monitoring module, the environment monitoring module and the node monitoring module are respectively connected with a self-powered module, and the self-powered module is connected with the storage battery.
Furthermore, the power grid monitoring module comprises a processor I, an A/D signal converter, a zero sequence current transformer, a short circuit current transformer and a voltage transformer, wherein the zero sequence current transformer is arranged on a grounding circuit of the three-phase power transmission line, the short circuit current transformer is arranged on an output circuit of the transformer, the voltage transformer is arranged on a grounding circuit of each main transformer, the zero sequence current transformer, the short circuit current transformer and the voltage transformer are respectively connected with the processor through the A/D signal converter, and the processor I is respectively connected with the first communication unit and the self-powered module.
Furthermore, the environment monitoring module comprises a processor II, an A/D signal converter, a rain and snow sensor, a gravity sensor and a wind speed sensor, the rain and snow sensor and the wind speed sensor are arranged on a tower in the overhead line, the gravity sensor is arranged on an insulator string in the overhead line, the rain and snow sensor, the wind speed sensor and the gravity sensor are respectively connected with the processor through the A/D signal converter, and the processor II is respectively connected with the second communication unit and the self-powered module.
Furthermore, the node monitoring module comprises a processor III and a GPS positioning module, and the processor III is respectively connected with the GPS positioning module, the third communication module and the self-powered module.
Furthermore, the first communication unit, the second communication unit and the third communication unit are all GPRS communication modules or 4G communication modules.
Further, a working method of the intelligent transmission and distribution network fault early warning management system comprises the following steps:
1) planning each transmission and distribution network node according to the transmission area of the whole transmission and distribution network line, wherein each transmission and distribution network node is a node I, a node II and a node III … …, and establishing a corresponding information statistical book according to each transmission and distribution network node;
2) transmitting environment monitoring parameter information acquired by an environment monitoring module in each transmission and distribution network node, node position information acquired by the node monitoring module and power grid monitoring information acquired by the power grid monitoring module to a terminal through a wireless network, uploading all information to a cloud server by the terminal, and storing all information to a database by the cloud server;
3) according to the step 2), the cloud server carries out statistical analysis on the environment monitoring parameters of each power transmission and distribution network node, meanwhile, the environment monitoring parameters are compared with the set environment safety parameter range of the system, when the environment monitoring parameters exceed the set environment safety parameter range of the system, the cloud server calls the position information of the power transmission and distribution network node, the cloud server sends a survey instruction to a user side corresponding to the power transmission and distribution network node, a site worker inquires a dangerous source, and the site worker sends the dangerous source information to the cloud server through the user side;
4) according to the step 2), the cloud server analyzes the power grid fault monitoring information of each power transmission and distribution network node, meanwhile, the cloud server calls the position information of the power transmission and distribution network node, the cloud server sends a survey instruction to a corresponding power transmission and distribution network node user side, a field worker researches a fault source and a fault reason, and the field worker sends the fault source and the fault reason to the cloud server through the user side;
5) according to the step 3) and the step 4), a manager records environment monitoring parameters through the terminal, draws environment parameter statistical tables, uploads the environment parameter statistical tables to the cloud server, and the manager classifies and counts the records of fault sources, fault occurrence frequency, fault occurrence reasons and fault solutions in the power grid fault monitoring information through the terminal, draws fault occurrence memorandum, and uploads the memorandum information to the cloud server;
6) according to the step 5), the manager comprehensively analyzes and establishes a fault emergency mechanism for the received environment parameter statistical tables, fault occurrence memorandums and field worker investigation information;
7) according to the step 6), a fault emergency platform is established through a fault emergency mechanism, the fault emergency platform integrates human resources of all transmission and distribution network nodes, rescue equipment resources and switching information of transmission and distribution network node lines, if a certain transmission and distribution network node fails, the transmission and distribution network node failure information is transmitted to a terminal through a wireless network, the terminal transmits the failure information to a cloud server, the terminal acquires the transmission and distribution network node position information, the cloud server sends node failure information to the fault emergency platform, the fault emergency platform compares the transmission and distribution network node information and simultaneously acquires an emergency scheme of a corresponding node in the cloud server, and the fault emergency platform sends rescue information to nearby personnel of the fault transmission and distribution network node through a user side and sends a switching instruction of the transmission and distribution network node line of the fault to a transformer substation.
The invention has the beneficial effects that: according to the invention, environment information, fault information and position information of each node in a transmission and distribution network are respectively collected through an environment monitoring module, a power grid monitoring module and a node monitoring module, a terminal comprehensively analyzes the environment information, the fault information and the position information of each node in the transmission and distribution network and forms a fault emergency mechanism, an emergency scheme is urgently started when a fault occurs, the fault of the power grid is quickly solved, the operation stability of each node of the transmission and distribution network is improved, simultaneously resources of each node are integrated, the fault position information of the nodes of the transmission and distribution network is transmitted to the terminal in real time, the terminal transmits the node position information to a cloud server, the cloud server transmits the node position information to a user side, the user side quickly reaches a fault place according to the node position information, and the fault.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the operation of the present invention.
FIG. 2 is a block diagram of control signals according to the present invention.
In the figure, reference numerals denote that 1 is a zero sequence current transformer, 2 is a short circuit current transformer, 3 is a voltage transformer, 4 is a rain and snow sensor, 5 is a gravity sensor, 6 is a wind speed sensor, 7 is a power grid monitoring module, 8 is a GPS positioning module, 9 is a node monitoring module, 10 is an environment monitoring module, 11 is a first communication unit, 12 is a third communication unit, 13 is a second communication unit, and 14 is a terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 2, an intelligent power transmission and distribution network fault early warning management system comprises a plurality of power transmission and distribution network nodes, wherein the power transmission and distribution network nodes are provided with a power grid monitoring module 7, an environment monitoring module 10 and a node monitoring module 9, the power grid monitoring module is used for monitoring the running state of a power grid, the power grid monitoring module 7 is connected with a terminal 14 through a first communication unit 11, the environment monitoring module is used for monitoring the environment change condition of each power transmission and distribution network node, the environment monitoring module 10 is connected with the terminal 14 through a second communication unit 13, the node monitoring module is used for collecting the position information of each power transmission and distribution network node, the node monitoring module 9 is connected with the terminal 14 through a third communication unit 12, the first communication unit 11, the second communication unit 13 or the third communication unit 12 are GPRS communication modules or 4G communication modules, the 4G communication module adopts a ZSD411-4G communication, the stability of signal transmission is guaranteed.
The terminal 14 is connected with a cloud server, the cloud server transmits data to a user side, an emergency server and a database respectively, and the user side is a smart phone or a recorder; the power grid monitoring module 7, the environment monitoring module 10 and the node monitoring module 9 are respectively connected with a self-powered module, and the self-powered module is connected with a storage battery.
The power grid monitoring module 7 comprises a processor I, an A/D signal converter and a zero sequence current transformer 1, the power grid monitoring system comprises a short-circuit current transformer 2 and a voltage transformer 3, wherein the zero-sequence current transformer 1 adopts an AKH-10/K zero-sequence current transformer, the zero-sequence current transformer 1 is arranged on a grounding circuit of a three-phase power transmission line, the short-circuit current transformer 2 is arranged on an output power line of a transformer, the voltage transformer adopts a JDZ-10 voltage transformer, the voltage transformer 3 is arranged on a grounding circuit of each main transformer, the zero-sequence current transformer 1, the short-circuit current transformer 2 and the voltage transformer 3 are respectively connected with a processor through an A/D signal converter, the processor I is respectively connected with a first communication unit 11 and a self-power-taking module, the self-power-taking module takes power from a storage battery and supplies power to the power grid monitoring module, and.
The environment monitoring module 10 comprises a processor II, an A/D signal converter, a rain and snow sensor 4, a gravity sensor 5 and a wind speed sensor 6, the rain and snow sensor 4 adopts a JXBS-3001-YS rain and snow sensor, the wind speed sensor 6 adopts a JXBS-3001-FS wind speed sensor, the rain and snow sensor 4 and the wind speed sensor 6 are arranged on a pole tower in an overhead line, the gravity sensor 5 adopts a TJH-3X gravity sensor, the gravity sensor 5 is arranged on an insulator string in the overhead line, the rain and snow sensor 4, the wind speed sensor 6 and the gravity sensor 5 are respectively connected with the processor through the A/D signal converter, the processor II is respectively connected with a second communication unit 13 and a self-powered module, the self-powered module takes electricity from a storage battery, the self-powered module supplies electricity to the environment monitoring module, and ensures that each device in the environment monitoring module normally operates, and the timeliness of the monitoring parameters is ensured.
The node monitoring module 9 comprises a processor III and a GPS positioning module 8, the processor III is respectively connected with the GPS positioning module 8, the third communication module 12 and the self-powered module, the self-powered module is powered by the storage battery and then supplies power to the node monitoring module 9, and normal operation of the node monitoring module is guaranteed.
A working method of an intelligent power transmission and distribution network fault early warning management system comprises the following steps:
1) planning each transmission and distribution network node according to the transmission area of the whole transmission and distribution network line, wherein each transmission and distribution network node is a node I, a node II and a node III … …, and establishing a corresponding information statistical book according to each transmission and distribution network node;
2) environment monitoring parameter information acquired by an environment monitoring module 10 in each transmission and distribution network node, node position information acquired by a node monitoring module 9 and power grid monitoring information acquired by a power grid monitoring module 7 are transmitted to a terminal 14 through a wireless network, the terminal 14 uploads all information to a cloud server, and the cloud server stores all information to a database;
3) according to the step 2), the cloud server carries out statistical analysis on the environment monitoring parameters of each power transmission and distribution network node, meanwhile, the environment monitoring parameters are compared with the set environment safety parameter range of the system, when the environment monitoring parameters exceed the set environment safety parameter range of the system, the cloud server calls the position information of the power transmission and distribution network node, the cloud server sends a survey instruction to a user side corresponding to the power transmission and distribution network node, a site worker inquires a dangerous source, and the site worker sends the dangerous source information to the cloud server through the user side;
4) according to the step 2), the cloud server analyzes the power grid fault monitoring information of each power transmission and distribution network node, meanwhile, the cloud server calls the position information of the power transmission and distribution network node, the cloud server sends a survey instruction to a corresponding power transmission and distribution network node user side, a field worker researches a fault source and a fault reason, and the field worker sends the fault source and the fault reason to the cloud server through the user side;
5) according to the step 3) and the step 4), a manager records environment monitoring parameters through the terminal 14, draws environment parameter statistical tables, uploads the environment parameter statistical tables to the cloud server, and the manager classifies and counts the records of fault sources, fault occurrence frequency, fault occurrence reasons and fault solutions in the power grid fault monitoring information through the terminal, draws fault occurrence memorandum, and uploads the memorandum information to the cloud server;
6) according to the step 5), the manager comprehensively analyzes and establishes a fault emergency mechanism for the received environment parameter statistical tables, fault occurrence memorandums and field worker investigation information;
7) according to the step 6), a fault emergency platform is constructed through a fault emergency mechanism, the fault emergency platform takes an emergency server as a core, a windows xp operating system is adopted, the fault emergency platform integrates manpower resources, rescue equipment resources and switching information of nodes of the transmission and distribution network, if a certain node of the transmission and distribution network has a fault, the fault information of the nodes of the transmission and distribution network is transmitted to a terminal 14 through a wireless network, the terminal 14 uploads the fault information to a cloud server, meanwhile, the terminal 14 retrieves the position information of the nodes of the power transmission and distribution network, the cloud server sends the node fault information to the fault emergency platform, the fault emergency platform compares the node information of the power transmission and distribution network, meanwhile, an emergency scheme of a corresponding node in the cloud server is called, the fault emergency platform sends rescue information to nearby personnel of the node of the fault transmission and distribution network through the user side, and sends a node line switching instruction of the fault transmission and distribution network to the transformer substation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A working method of an intelligent power transmission and distribution network fault early warning management system is characterized by comprising the following steps:
1) an intelligent power transmission and distribution network fault early warning management system comprises a plurality of power transmission and distribution network nodes, wherein each power transmission and distribution network node is provided with a power grid monitoring module (7), an environment monitoring module (10) and a node monitoring module (9), each power grid monitoring module (7), each environment monitoring module (10) and each node monitoring module (9) are connected with a terminal (14), each terminal (14) is connected with a cloud server, the cloud servers respectively transmit data to a user side, an emergency server and a database, each power transmission and distribution network node is planned according to an overall power transmission and distribution network line transmission area, each power transmission and distribution network node is a node 1, a node 2 and a node 3 … …, and a corresponding information statistics book is established according to each power transmission and distribution network node;
2) environment monitoring parameter information acquired by an environment monitoring module (10) in each transmission and distribution network node, node position information acquired by a node monitoring module (9) and power grid monitoring information acquired by a power grid monitoring module (7) are transmitted to a terminal (14) through a wireless network, the terminal (14) uploads all information to a cloud server, and the cloud server stores all information to a database;
3) according to the step 2), the cloud server carries out statistical analysis on the environment monitoring parameters of each power transmission and distribution network node, meanwhile, the environment monitoring parameters are compared with the set environment safety parameter range of the system, when the environment monitoring parameters exceed the set environment safety parameter range of the system, the cloud server calls the position information of the power transmission and distribution network node, the cloud server sends a survey instruction to a user side corresponding to the power transmission and distribution network node, a site worker inquires a dangerous source, and the site worker sends the dangerous source information to the cloud server through the user side;
4) according to the step 2), the cloud server analyzes the power grid fault monitoring information of each power transmission and distribution network node, meanwhile, the cloud server calls the position information of the power transmission and distribution network node, the cloud server sends a survey instruction to a corresponding power transmission and distribution network node user side, a field worker researches a fault source and a fault reason, and the field worker sends the fault source and the fault reason to the cloud server through the user side;
5) according to the step 3) and the step 4), a manager records environment monitoring parameters through a terminal (14), draws environment parameter statistical tables, uploads the environment parameter statistical tables to a cloud server, and classifies and counts the records of a fault source, fault occurrence frequency, fault occurrence reason and a fault solution in power grid fault monitoring information through the terminal, draws a fault occurrence memo and uploads the memo information to the cloud server;
6) according to the step 5), the manager comprehensively analyzes and establishes a fault emergency mechanism for the received environment parameter statistical tables, fault occurrence memorandums and field worker investigation information;
7) according to the step 6), a fault emergency platform is constructed through a fault emergency mechanism, the fault emergency platform integrates the manpower resources, the rescue equipment resources and the switching information of the transmission and distribution network node lines, if a certain transmission and distribution network node has a fault, the fault information of the transmission and distribution network node is transmitted to a terminal (14) through a wireless network, the terminal (14) uploads the fault information to a cloud server, meanwhile, the terminal (14) retrieves the node position information of the transmission and distribution network, the cloud server sends node fault information to the fault emergency platform, the fault emergency platform compares the node information of the transmission and distribution network, meanwhile, an emergency scheme of a corresponding node in the cloud server is called, the fault emergency platform sends rescue information to nearby personnel of the node of the fault transmission and distribution network through the user side, and sends a node line switching instruction of the fault transmission and distribution network to the transformer substation.
2. The working method of the intelligent power transmission and distribution network fault early warning management system is characterized in that the power grid monitoring module (7) is connected with the terminal (14) through the first communication unit (11), the environment monitoring module (10) is connected with the terminal (14) through the second communication unit (13), and the node monitoring module (9) is connected with the terminal (14) through the third communication unit (12); the power grid monitoring module (7), the environment monitoring module (10) and the node monitoring module (9) are respectively connected with a self-powered module, and the self-powered module is connected with a storage battery.
3. The operating method of the intelligent power transmission and distribution network fault early warning management system according to claim 2, wherein the power grid monitoring module (7) comprises a processor I, an A/D signal converter, a zero sequence current transformer (1), a short circuit current transformer (2) and a voltage transformer (3), the zero sequence current transformer (1) is arranged on a ground line of the three-phase power transmission line, the short circuit current transformer (2) is arranged on an output line of the transformer, the voltage transformer (3) is arranged on a ground line of each main transformer, the zero sequence current transformer (1), the short circuit current transformer (2) and the voltage transformer (3) are respectively connected with the processor through the A/D signal converter, and the processor is respectively connected with the first communication unit (11) and the self-powered module.
4. The working method of the intelligent power transmission and distribution network fault early warning management system is characterized in that the environment monitoring module (10) comprises a processor II, an A/D signal converter, a rain and snow sensor (4), a gravity sensor (5) and a wind speed sensor (6), the rain and snow sensor (4) and the wind speed sensor (6) are arranged on a tower in an overhead line, the gravity sensor (5) is arranged on an insulator string in the overhead line, the rain and snow sensor (4), the wind speed sensor (6) and the gravity sensor (5) are respectively connected with the processor through the A/D signal converter, and the processor is respectively connected with the second communication unit (13) and the self-powered module.
5. The operating method of the intelligent power transmission and distribution network fault early warning management system according to claim 2, wherein the node monitoring module (9) comprises a processor III and a GPS positioning module (8), and the processor is respectively connected with the GPS positioning module (8), the third communication module (12) and the self-powered module.
6. The working method of the intelligent power transmission and distribution network fault early warning management system according to claim 2, wherein the first communication unit (11), the second communication unit (13) and the third communication unit (12) are all GPRS communication modules or 4G communication modules.
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| CN111193320A (en) * | 2019-12-09 | 2020-05-22 | 银川天恩电气集团有限公司 | Intelligent exchange control method for constant-temperature transformer box and transformer |
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