CN112881859A - Grounding discrimination system based on wide area network synchronization - Google Patents
Grounding discrimination system based on wide area network synchronization Download PDFInfo
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- CN112881859A CN112881859A CN202110039352.8A CN202110039352A CN112881859A CN 112881859 A CN112881859 A CN 112881859A CN 202110039352 A CN202110039352 A CN 202110039352A CN 112881859 A CN112881859 A CN 112881859A
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- feeder
- cloud platform
- feeder line
- module
- wireless communication
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- 238000004891 communication Methods 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 6
- 238000013024 troubleshooting Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a grounding judgment system based on wide area network synchronization, which comprises a feeder terminal and a cloud platform, wherein a GPS (global positioning system) positioning module and a wireless communication module are installed on a feeder, the feeder is in wireless data transmission with the cloud platform through the wireless communication module, and the cloud platform is used for integrating information on the feeder to perform corresponding separating brake operation. The method comprises the steps that current and voltage data information of each feeder line segment and GPS positioning information of each feeder line segment are received in real time through a cloud platform, when current and voltage data are abnormal, the cloud platform carries out short-circuit processing on a group of segment feeder lines with faults of the feeder line segments with the faults through a wireless communication module, and meanwhile, another group of normal feeder line segments are started to achieve normal operation of the whole feeder line segments; therefore, the cloud platform processing system capable of remotely monitoring the feeder line in real time is realized, the remote control cloud platform simplifies the structure of the feeder line, and great convenience is provided for later-stage maintenance of the feeder line.
Description
Technical Field
The invention relates to a grounding discrimination system based on wide area network synchronization.
Background
In an electric power system, single-phase grounding is a main fault mode of power grid operation and accounts for more than 60% of total faults of a full power grid; the grounding judgment system is used for positioning the grounding section and isolating the fault line so as to reduce electric power operation accidents and improve the convenience of electric power operation maintenance; however, the existing grounding judgment system cannot detect in real time and predict a fault circuit of the grounding judgment system in real time; when the grounding line has a fault, the fault section cannot be positioned in time;
therefore, a grounding discrimination system based on wide area network synchronization is proposed, and through the cooperation of a feeder terminal and a cloud platform, data of a feeder line is uploaded to the cloud platform in real time, and the cloud platform detects the feeder line in real time, predicts and solves a fault of the feeder line in real time, and improves stable operation of the feeder line.
Disclosure of Invention
The invention aims to provide a grounding discrimination system based on wide area network synchronization, which solves the problems that the grounding discrimination system in the prior art cannot detect in real time and cannot predict a fault circuit of the grounding discrimination system in real time; when the grounding line has a fault, the fault section cannot be positioned in time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a grounding judgment system based on wide area network synchronization comprises a feeder terminal and a cloud platform, wherein a GPS positioning module and a wireless communication module are installed on a feeder, the feeder is in wireless data transmission with the cloud platform through the wireless communication module, and the cloud platform is used for integrating information on the feeder to perform corresponding separating brake operation.
Preferably, a plurality of section switches are installed on the feeder line, so that the feeder line is divided into a plurality of sections, and the section feeder lines are all provided with the wireless communication modules.
Preferably, each feeder line segment consists of two groups of segment feeder lines, each group of segment feeder lines is provided with a segment switch, and the two groups of segment feeder lines are provided with current and voltage detection modules.
Preferably, the GPS positioning module and the wireless communication module are installed at a terminal of each feeder segment to capture a power supply condition of each feeder segment, and a data processing module for integrating data of the current and voltage detection module is installed at each feeder segment terminal.
Preferably, the cloud platform comprises an alarm module, a data integration processing module, an electric control module and a wireless communication module, and each feeder line segment uploads information to the cloud platform through the respective wireless communication module.
Preferably, the cloud platform receives data information of the data processing module of each feeder line segment through the wireless communication receiving module, the data information corresponds to the GPS positioning module of the feeder line segment and the segment switches on the two segment feeder lines of each feeder line segment, and the two segment feeder lines do not work at the same time.
Preferably, after the current or voltage value of any one of the segmented feeders on each feeder segment exceeds a normal value range, the cloud platform receives the information through the wireless communication receiving platform, remotely controls the disconnection of the segmented switch on the set of segmented feeders through the wireless communication receiving platform, simultaneously opens the segmented switch of another set of segmented feeders of the feeder segment, and simultaneously sends the information of the GPS positioning module and the circuit voltage data information of the faulty segmented feeder to the alarm module for troubleshooting.
Preferably, the cloud platform further comprises a data comparison module, and the data comparison module receives all data information of the data integration processing module, and comprehensively analyzes and compares the current and voltage of each feeder line section to predict the position of the faulted section feeder line.
The invention has at least the following beneficial effects:
1. the current and voltage data information of each feeder line segment and the GPS positioning information of each feeder line segment are received in real time through the cloud platform, when the current and voltage data are abnormal, the cloud platform carries out short-circuit processing on a group of faulted segment feeder lines of the faulted feeder line segment through the wireless communication module, and meanwhile, another group of normal feeder line segments are started to realize the normal operation of the whole feeder line segment; therefore, the cloud platform processing system capable of remotely monitoring the feeder line in real time is realized, the remote control cloud platform simplifies the structure of the feeder line, and great convenience is provided for later-stage maintenance of the feeder line.
2. The cloud platform receives the current and voltage data information of each feeder line segment and the GPS positioning information of each feeder line segment in real time, the cloud platform compares, analyzes and integrates the feeder line segment data of the real feeder line, and the stability difference of the electric power operation of each feeder line segment is observed more visually through data comparison, so that a fault circuit can be predicted, the circuit fault is processed in advance, the feeder line with poor electric power operation stability is optimized, and the stability of the electric power operation is better realized.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
A grounding discrimination system based on wide area network synchronization comprises a feeder terminal and a cloud platform, wherein a GPS positioning module and a wireless communication module are installed on a feeder, the feeder is in wireless data transmission with the cloud platform through the wireless communication module, the cloud platform is used for integrating information on the feeder to perform corresponding separating brake operation, a plurality of section switches are installed on the feeder to divide the feeder into a plurality of sections, the section feeders are respectively provided with the wireless communication module, each feeder section consists of two groups of section feeders, each group of section feeders is provided with the section switches, two groups of section feeders are respectively provided with a current and voltage detection module, the GPS positioning module and the wireless communication module are installed at the terminal of each feeder section to be used for capturing the power supply condition of each feeder section, and each feeder section terminal is provided with a data processing module for integrating the data of the current and voltage detection modules, the cloud platform comprises an alarm module, a data integration processing module, an electric control module and a wireless communication module, and each feeder line segment uploads information to the cloud platform through the wireless communication module of each feeder line segment;
in this embodiment, the cloud platform receives the current-voltage data information of each feeder line segment and the GPS positioning information of each feeder line segment in real time, and when the current-voltage data is abnormal, the cloud platform performs short-circuit processing on a group of failed feeder lines of the failed feeder line segment through the wireless communication module, and at the same time, opens another group of normal feeder line segments to realize normal operation of the whole feeder line segment; therefore, the cloud platform processing system capable of remotely monitoring the feeder line in real time is realized, the remote control cloud platform simplifies the structure of the feeder line, and great convenience is provided for later-stage maintenance of the feeder line.
Example two
A grounding discrimination system based on wide area network synchronization comprises a feeder terminal and a cloud platform, wherein a GPS positioning module and a wireless communication module are installed on a feeder, the feeder is in wireless data transmission with the cloud platform through the wireless communication module, the cloud platform is used for integrating information on the feeder to perform corresponding separating brake operation, a plurality of section switches are installed on the feeder to divide the feeder into a plurality of sections, the section feeders are respectively provided with the wireless communication module, each feeder section consists of two groups of section feeders, each group of section feeders is provided with the section switches, two groups of section feeders are respectively provided with a current and voltage detection module, the GPS positioning module and the wireless communication module are installed at the terminal of each feeder section to be used for capturing the power supply condition of each feeder section, and each feeder section terminal is provided with a data processing module for integrating the data of the current and voltage detection modules, the cloud platform comprises an alarm module, a data integration processing module, an electric control module and a wireless communication module, wherein each feeder line segment uploads information to the cloud platform through the respective wireless communication module;
in the embodiment, the current and voltage data information of each feeder line segment and the GPS positioning information of each feeder line segment are received in real time through the cloud platform, the cloud platform compares, analyzes and integrates the feeder line segment data of the real feeder line, and the stability difference of the electric power operation of each feeder line segment is observed more visually through data comparison, so that a fault circuit can be predicted, the circuit fault is processed in advance, the feeder line with poor electric power operation stability is optimized, and the stability of the electric power operation is better realized.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The grounding judgment system based on the wide area network synchronization is characterized by comprising a feeder terminal and a cloud platform, wherein a GPS (global positioning system) positioning module and a wireless communication module are installed on the feeder, the feeder is in wireless data transmission with the cloud platform through the wireless communication module, and the cloud platform is used for integrating information on the feeder so as to perform corresponding separating brake operation.
2. The wide area network synchronization-based ground discrimination system as claimed in claim 1, wherein a plurality of section switches are installed on the feeder line to divide the feeder line into a plurality of sections, and each section feeder line is provided with a wireless communication module.
3. The wide area network synchronization-based ground discrimination system according to claim 1, wherein each feeder line segment is composed of two sets of segment feeder lines, each set of segment feeder line is installed with a segment switch, and the two sets of segment feeder lines are installed with a current and voltage detection module.
4. The wide area network synchronization-based ground fault discrimination system as claimed in claim 1, wherein the GPS positioning module and the wireless communication module are installed at a terminal of each feeder line segment for capturing a power supply condition of each feeder line segment, and each feeder line segment terminal is installed with a data processing module for integrating data of the current and voltage detection module.
5. The wide area network synchronization-based ground fault discrimination system of claim 1, wherein the cloud platform comprises an alarm module, a data integration processing module, an electronic control module and a wireless communication module, and each feeder line segment uploads information to the cloud platform through the respective wireless communication module.
6. The wide area network synchronization-based ground discrimination system as claimed in claim 1, wherein the cloud platform receives data information of the data processing module of each feeder segment through the wireless communication receiving module, and the data information corresponds to the GPS positioning module of the feeder segment and the section switches on the two groups of section feeders of each feeder segment, and the two groups of section feeders do not work simultaneously.
7. The wide area network synchronization-based ground discrimination system as claimed in claim 1, wherein after the current or voltage value of any one of the sectionalized feeders on each of the feeder sections exceeds a normal value range, the cloud platform receives the information through the wireless communication receiving platform, and remotely controls the disconnection of the sectionalizing switch on the sectionalized feeder through the wireless communication receiving platform, and simultaneously the sectionalizing switch of another sectionalized feeder of the feeder section is opened, and simultaneously the cloud platform sends the information of the GPS positioning module and the circuit voltage data information of the faulty sectionalized feeder to the alarm module for troubleshooting.
8. The wide area network synchronization-based ground fault discrimination system of claim 1, wherein the cloud platform further comprises a data comparison module, the data comparison module receives all data information of the data integration processing module, and comprehensively analyzes and compares the current and voltage of each feeder line section to predict the position of the faulted section feeder line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110039352.8A CN112881859A (en) | 2021-01-13 | 2021-01-13 | Grounding discrimination system based on wide area network synchronization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110039352.8A CN112881859A (en) | 2021-01-13 | 2021-01-13 | Grounding discrimination system based on wide area network synchronization |
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|---|---|---|---|---|
| CN203218985U (en) * | 2013-04-17 | 2013-09-25 | 国家电网公司 | Power distribution network fault locating system based on section switches and FTUs |
| CN104767182A (en) * | 2015-01-20 | 2015-07-08 | 国家电网公司 | Fault processing method for overhead line type power distribution network |
| CN107809105A (en) * | 2017-06-08 | 2018-03-16 | 国网新疆电力公司经济技术研究院 | Feeder line sectionalised protection system based on Zigbee network communication |
| CN208890484U (en) * | 2018-11-09 | 2019-05-21 | 江苏佳源科技有限公司 | FTU distribution distribution real time fail monitoring system |
| CN111106604A (en) * | 2020-01-09 | 2020-05-05 | 浙江中新电力工程建设有限公司自动化分公司 | Self-healing control system based on intelligent power distribution network and operation method thereof |
-
2021
- 2021-01-13 CN CN202110039352.8A patent/CN112881859A/en active Pending
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|---|---|---|---|---|
| CN203218985U (en) * | 2013-04-17 | 2013-09-25 | 国家电网公司 | Power distribution network fault locating system based on section switches and FTUs |
| CN104767182A (en) * | 2015-01-20 | 2015-07-08 | 国家电网公司 | Fault processing method for overhead line type power distribution network |
| CN107809105A (en) * | 2017-06-08 | 2018-03-16 | 国网新疆电力公司经济技术研究院 | Feeder line sectionalised protection system based on Zigbee network communication |
| CN208890484U (en) * | 2018-11-09 | 2019-05-21 | 江苏佳源科技有限公司 | FTU distribution distribution real time fail monitoring system |
| CN111106604A (en) * | 2020-01-09 | 2020-05-05 | 浙江中新电力工程建设有限公司自动化分公司 | Self-healing control system based on intelligent power distribution network and operation method thereof |
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