CN109459664A - A kind of detection of distribution network failure and positioning analysis system - Google Patents
A kind of detection of distribution network failure and positioning analysis system Download PDFInfo
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- CN109459664A CN109459664A CN201811596211.0A CN201811596211A CN109459664A CN 109459664 A CN109459664 A CN 109459664A CN 201811596211 A CN201811596211 A CN 201811596211A CN 109459664 A CN109459664 A CN 109459664A
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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
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of detection of distribution network failure and positioning analysis systems, including monitoring data acquisition module, fault detection locating module, monitoring module and mobile terminal unit, the monitoring data acquisition module is connected by communication network with the fault detection locating module, the fault detection locating module is connected by cable with the fault detection locating module, and the fault detection locating module is connected by GPRS wireless communication module with the monitoring module and the mobile terminal unit respectively.The utility model has the advantages that big patrol officer can be checked and be debugged with free way scene, the mobile phone of line data-logging personnel is utilized, by means of the mobile phone daemon software of patrol officer, the relevant information of troubleshooting can be obtained in daemon software, it is easy to implement rapidly fault recovery and power supply, it realizes and real-time, objective Intellectualized monitoring, assessment and fault location is carried out to the health status of power distribution network capital equipment, it is high degree of automation, high-efficient.
Description
Technical field
The present invention relates to field of distribution network, it particularly relates to a kind of detection of distribution network failure and positioning analysis system.
Background technique
During annual summer peak meeting, residential electricity consumption load sharply abruptly increase, breakdown repair is more, and breakdown repair list is mainly to match
Knife fusing is melted in the tripping of power station low tension switch, feeder pillar, bar becomes based on the fusing of crane case stereotype, to the just common of low pressure resident
Electricity makes a big impact.When power supply reliability has become one critical services index of Utilities Electric Co., how quick positioning failure
Point, eliminate failure, fast quick-recovery resident power supply, reduce resident's power off time, this be related to Utilities Electric Co. to society promise and
Practicing to value view.
Under certain fault conditions, it is possible that residential property, the role of project to outsource team only eliminate fault point
Position, if a set of failure fast positioning method or system for low-voltage network can be developed, within the shortest time really
Determine fault point, so that it may the emergency repair times of residential property, these engineering noises of project to outsource team is omitted, power grid operation maintenance personnel according to
Dispatcher's instruction goes directly to fault point handling failure, and fast quick-recovery power transmission improves rapidly power supply reliability.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of detection of distribution network failure and positioning analysis system, with gram
Take above-mentioned technical problem present in existing the relevant technologies.
For this purpose, the specific technical solution that the present invention uses is as follows:
A kind of detection of distribution network failure and positioning analysis system, including monitoring data acquisition module, fault detection locating module, prison
Module and mobile terminal unit are controlled, the monitoring data acquisition module passes through communication network and the fault detection locating module phase
Connection, the fault detection locating module pass through GPRS wireless communication module and the monitoring module and the movement eventually respectively
End unit is connected；
Wherein, the monitoring data acquisition module includes sequentially connected current transformer, arc-shaped iron core current sensor, three-phase
Fault signature generator, photoelectric conversion unit, information acquisition unit, central data processing unit, data analysis unit and route selection
Analysis module, the fault detection locating module include sequentially connected distribution terminal, and RTU power supply system, intelligence are public to become detection
System, intelligent comprehensive leakage protection system, fault location module, main member assessment unit, main member health condition judging
Unit, capital equipment comprehensive assessment unit and fault level judging unit, the monitoring module include that sequentially connected index is set
Order member, power information acquisition system, power management module, secure environment intelligent object, the monitoring of substation operation ambient condition
Module and equipment running status monitoring modular, the mobile terminal unit include that sequentially connected mobile phone terminal and specialized maintenance are set
It is standby.
Further, the secure environment intelligent object passes through for providing multiple groups point-to-point high speed optical fiber communication interface
Mutual fast exchange state, fault message between adjacent protective module quickly position and power distribution network working line failure are isolated, really
Protect the safety of power distribution network operation.
Further, the timing of the frequency of current signal and voltage signal, amplitude, phase and variation；And by each three-phase
Fault signature generator while property is compared, and the simulation event that the three-phase fault character line generator occurs is determined when all consistent
It is correct to hinder signal.
Further, the photoelectric conversion unit is used for the electric signal that will acquire and is converted to optical signal, and by the conversion
Optical information is stored and is sent.
Further, the fault location module is used to detect fault-signal, and the fault-signal is for statistical analysis,
It determines position of failure point, and the abort situation point is temporarily stored.
Further, the substation operation ambient condition monitoring modular includes that sequentially connected GPRS communication data receives
And send front end processor, the line selection apparatus of distribution network line fault ground connection and select-line analysis module and data analysis and processing module.
Further, the prison power information acquisition system includes sequentially connected equipment state display unit and fault bit
Display unit is set, the equipment state display unit is used to carry out real-time display to the health status of equipment；The abort situation
Display unit is used to show the specific location of the equipment in malfunction.
Further, the information acquisition unit selects ARM chip, to divide information acquisition unit the data obtained information
After analysis processing, exchanged by central data processing unit with data analysis unit backstage.
The invention has the benefit that greatly reducing the inspection workload of line data-logging personnel, enable patrol officer
Distribution network line fault is rapidly excluded, which is directly targeted to the branched line of faulty line or route, gives simultaneously
The specific Position Approximate of branched line, patrol officer can be checked and be debugged with free way scene, and line data-logging people is utilized
The mobile phone of member need to only be confirmed on part by means of the mobile phone daemon software of patrol officer after route troubleshooting in troubleshooting
After clicking confirmation message, the relevant information of troubleshooting is can be obtained in daemon software, be easy to implement rapidly fault recovery with
Real-time, the objective Intellectualized monitoring of health status progress, assessment and fault location to power distribution network capital equipment are realized in power supply,
It is high degree of automation, high-efficient.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 be a kind of distribution network failure detection according to an embodiment of the present invention and positioning analysis system structural schematic diagram it
One；
Fig. 2 is the second structural representation of a kind of distribution network failure detection according to an embodiment of the present invention and positioning analysis system；
Fig. 3 is the substation operation environment shape of a kind of distribution network failure detection according to an embodiment of the present invention and positioning analysis system
The structural schematic diagram of state monitoring modular；
Fig. 4 is the power information acquisition system of a kind of distribution network failure detection according to an embodiment of the present invention and positioning analysis system
Structural schematic diagram.
In figure:
1, monitoring data acquisition module；2, fault detection locating module；3, monitoring module；4, mobile terminal unit；5, communication network
Network；6, abort situation display unit；7, GPRS wireless communication module；8, current transformer；9, arc-shaped iron core current sensor；
10, three-phase fault character line generator；11, photoelectric conversion unit；12, information acquisition unit；13, central data processing unit；14,
Data analysis unit；15, select-line analysis module；16, distribution terminal；17, RTU power supply system；18, intelligence is public becomes detection system；
19, intelligent comprehensive leakage protection system；20, fault location module；21, main member assessment unit；22, main member health shape
State judging unit；23, capital equipment comprehensive assessment unit；24, fault level judging unit；25, target setting unit；26, it uses
Power utilization information collection system；27, power management module；28, secure environment intelligent object；29, substation operation ambient condition monitors
Module；30, equipment running status monitoring modular；31, mobile phone terminal；32, specialized maintenance equipment；33, GPRS communication data receive and
Send front end processor；34, the line selection apparatus and select-line analysis module of distribution network line fault ground connection；35, Data Analysis Services module；
36, equipment state display unit.
Specific embodiment
To further illustrate that each embodiment, the present invention are provided with attached drawing, these attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment, cooperation ginseng
Examine these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention, in figure
Component be not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
According to an embodiment of the invention, providing a kind of detection of distribution network failure and positioning analysis system.
Embodiment one,
As shown in Figs 1-4, distribution network failure detection according to an embodiment of the present invention and positioning analysis system, including monitoring data are adopted
Collection module 1, fault detection locating module 2, monitoring module 3 and mobile terminal unit 4, the monitoring data acquisition module 1 pass through
Communication network 5 is connected with the fault detection locating module 2, the fault detection locating module 2 respectively by GPRS without
Line communication module 7 is connected with the monitoring module 3 and the mobile terminal unit 4；
Wherein, the monitoring data acquisition module 1 include sequentially connected current transformer 8, arc-shaped iron core current sensor 9,
Three-phase fault character line generator 10, photoelectric conversion unit 11, information acquisition unit 12, central data processing unit 13, data point
Unit 14 and select-line analysis module 15 are analysed, the fault detection locating module 2 includes sequentially connected distribution terminal 16, and RTU is supplied
Public detection system 18, intelligent comprehensive leakage protection system 19, fault location module 20, the main member of becoming of electric system 17, intelligence is commented
Estimate unit 21, main member health condition judging unit 22, capital equipment comprehensive assessment unit 23 and fault level judging unit
24, the monitoring module 3 includes sequentially connected target setting unit 25, power information acquisition system 26, power management module
27, secure environment intelligent object 28, substation operation ambient condition monitoring modular 29 and equipment running status monitoring modular 30, institute
Stating mobile terminal unit 4 includes sequentially connected mobile phone terminal 31 and specialized maintenance equipment 32.
By means of above scheme, the inspection workload of line data-logging personnel is greatly reduced, keeps patrol officer quick
Ground excludes distribution network line fault, which is directly targeted to the branched line of faulty line or route, while giving branch
The specific Position Approximate of route, patrol officer can be checked and be debugged with free way scene, be utilized line data-logging personnel's
Mobile phone need to only confirm in troubleshooting after route troubleshooting by means of the mobile phone daemon software of patrol officer and press one on part
After lower confirmation message, the relevant information of troubleshooting is can be obtained in daemon software, is easy to implement rapidly fault recovery and power supply,
It realizes and real-time, objective Intellectualized monitoring, assessment and fault location, automation is carried out to the health status of power distribution network capital equipment
Degree is high, high-efficient.
Embodiment two,
As shown in Figs. 1-2, the secure environment intelligent object 28 passes through for providing multiple groups point-to-point high speed optical fiber communication interface
Mutual fast exchange state, fault message between adjacent protective module quickly position and power distribution network working line failure are isolated, really
Protect the safety of power distribution network operation.
As shown in Fig. 2, the frequency of current signal and voltage signal, amplitude, the timing of phase and variation；And by each three-phase
Fault signature generator while property is compared, and the simulation that the three-phase fault character line generator 10 occurs is determined when all consistent
Fault-signal is correct.
As shown in Fig. 2, the photoelectric conversion unit 11, which is used for the electric signal that will acquire, is converted to optical signal, and by the conversion
Optical information stored and sent.
As shown in Fig. 2, the fault location module 20 carries out statistical for detecting fault-signal, and by the fault-signal
Analysis, determines position of failure point, and the abort situation point is temporarily stored.
Embodiment three,
As shown in figure 3, the substation operation ambient condition monitoring modular 29 is received including sequentially connected GPRS communication data
And send front end processor 33, the line selection apparatus of distribution network line fault ground connection and select-line analysis module 34 and data analysis and processing module
35。
As shown in figure 4, the prison power information acquisition system 26 includes sequentially connected 36 He of equipment state display unit
Abort situation display unit 6, the equipment state display unit 36 are used to carry out real-time display to the health status of equipment；It is described
Abort situation display unit 6 is used to show the specific location of the equipment in malfunction.
As shown in Fig. 2, the information acquisition unit 12 selects ARM chip, to by 12 the data obtained of information acquisition unit
After information analysis processing, exchanged by central data processing unit 13 with 14 backstage of data analysis unit.
Working principle；Current transformer 8 obtains current information from power grid, and the electric signal that will acquire passes through photoelectric conversion list
Member 11 is sent to information acquisition unit 12 after being converted to optical signal, and the original that information acquisition unit 12 acquires distribution terminal sets electric current number
It is believed that breath, is sent collectively to central data processing unit 13 together with collected current information for the data information, the center number
Collected data are compared according to processing unit 13, the numerical value for being consistent or being close therewith are found, to obtain light
The data of fault level and malfunction analysis procedure after differentiation are sent jointly to fault location by data level corresponding to signal
Module 20, which carries out analyzing and positioning according to the data information received, and will become after the information after positioning
Power station running environment state monitoring module 29 is sent to mobile terminal unit 4 by GPRS wireless communication module 7 and carries out informing dimension
Repair personnel.
In conclusion greatly reducing the inspection work of line data-logging personnel by means of above-mentioned technical proposal of the invention
Amount, enables patrol officer rapidly to exclude distribution network line fault, which is directly targeted to point of faulty line or route
Branch line, while the specific Position Approximate of branched line is given, patrol officer can be checked and be debugged with free way scene,
The mobile phone of line data-logging personnel is utilized, it, only need to be after route troubleshooting by means of the mobile phone daemon software of patrol officer
After clicking confirmation message on troubleshooting confirmation part, the relevant information of troubleshooting is can be obtained in daemon software, is easy to implement
Rapidly fault recovery and power supply, realize to the health status of power distribution network capital equipment carry out real-time, objective Intellectualized monitoring,
Assessment and fault location, it is high degree of automation, high-efficient.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of distribution network failure detection and positioning analysis system, which is characterized in that including monitoring data acquisition module (1), event
Barrier detection locating module (2), monitoring module (3) and mobile terminal unit (4), the monitoring data acquisition module (1) pass through logical
Communication network (5) is connected with the fault detection locating module (2), and the fault detection locating module (2) passes through respectively
GPRS wireless communication module (7) is connected with the monitoring module (3) and the mobile terminal unit (4)；
Wherein, the monitoring data acquisition module (1) includes sequentially connected current transformer (8), arc-shaped iron core current sense
Device (9), three-phase fault character line generator (10), photoelectric conversion unit (11), information acquisition unit (12), central data processing are single
First (13), data analysis unit (14) and select-line analysis module (15), the fault detection locating module (2) include being sequentially connected
Distribution terminal (16), RTU power supply system (17), intelligence is public become detection system (18), intelligent comprehensive leakage protection system (19),
Fault location module (20), main member assessment unit (21), main member health condition judging unit (22), capital equipment are comprehensive
It closes assessment unit (23) and fault level judging unit (24), the monitoring module (3) includes sequentially connected target setting list
First (25), power information acquisition system (26), power management module (27), secure environment intelligent object (28), substation operation
Ambient condition monitoring modular (29) and equipment running status monitoring modular (30), the mobile terminal unit (4) include successively connecting
The mobile phone terminal (31) and specialized maintenance equipment (32) connect.
2. a kind of distribution network failure detection according to claim 1 and positioning analysis system, which is characterized in that the security protection
Ambient intelligence module (28) is for providing multiple groups point-to-point high speed optical fiber communication interface, by mutually fast between adjacent protective module
Fast swap status, fault message quickly position and are isolated power distribution network working line failure, it is ensured that the safety of power distribution network operation.
3. a kind of distribution network failure detection according to claim 1 and positioning analysis system, which is characterized in that current signal
With frequency, amplitude, phase and the timing of variation of voltage signal；And each three-phase fault character line generator while property is carried out
Compare, the simulated failure signal for determining that the three-phase fault character line generator (10) occurs when all consistent is correct.
4. a kind of distribution network failure detection according to claim 1 and positioning analysis system, which is characterized in that the photoelectricity
The electric signal that converting unit (11) is used to will acquire is converted to optical signal, and the optical information of the conversion is stored and sent.
5. a kind of distribution network failure detection according to claim 1 and positioning analysis system, which is characterized in that the failure
Locating module (20) is used to detect fault-signal, and the fault-signal is for statistical analysis, determines position of failure point, and should
Abort situation point is temporarily stored.
6. a kind of distribution network failure detection according to claim 1 and positioning analysis system, which is characterized in that the power transformation
Running environment of standing state monitoring module (29) includes that sequentially connected GPRS communication data receives and send front end processor (33), distribution
The line selection apparatus and select-line analysis module (34) and data analysis and processing module (35) of cable road fault ground.
7. a kind of distribution network failure detection according to claim 1 and positioning analysis system, which is characterized in that the prison is used
Power utilization information collection system (26) includes sequentially connected equipment state display unit (36) and abort situation display unit (6), institute
It states equipment state display unit (36) and carries out real-time display for the health status to equipment；The abort situation display unit
(6) for showing the specific location of the equipment in malfunction.
8. a kind of distribution network failure detection according to claim 1 and positioning analysis system, which is characterized in that the information
Acquisition unit (12) selects ARM chip, to pass through center for after information acquisition unit (12) the data obtained information analysis processing
Data processing unit (13) is exchanged from the background with data analysis unit (14).
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| CN110048507A (en) * | 2019-03-29 | 2019-07-23 | 国网山东省电力公司邹城市供电公司 | A kind of automatic detecting method and system of electrical power distribution automatization system |
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| CN111132372A (en) * | 2019-12-25 | 2020-05-08 | 广东电网有限责任公司 | System and method for positioning trip switch |
| CN111596151A (en) * | 2020-04-30 | 2020-08-28 | 国网天津市电力公司电力科学研究院 | Combined electrical appliance fault rapid analysis system and method thereof |
| CN111882110A (en) * | 2020-06-29 | 2020-11-03 | 国网河北省电力有限公司信息通信分公司 | Power information communication fault prediction system based on big data technology |
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