CN106855604A - A kind of high voltage transmission line based on signal amplitude quick and precisely fault location system - Google Patents
A kind of high voltage transmission line based on signal amplitude quick and precisely fault location system Download PDFInfo
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- CN106855604A CN106855604A CN201710034389.5A CN201710034389A CN106855604A CN 106855604 A CN106855604 A CN 106855604A CN 201710034389 A CN201710034389 A CN 201710034389A CN 106855604 A CN106855604 A CN 106855604A
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- module
- fault location
- signal
- acquisition module
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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
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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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
Abstract
A kind of high voltage transmission line based on signal amplitude quick and precisely fault location system.It includes signal acquisition module, signal processing module and fault location module：Wherein, it is connected by noiseless line between signal acquisition module and signal processing module；It is connected by noiseless line between signal processing module and fault location module.The advantage of the quick and precisely fault location system of the high voltage transmission line based on signal amplitude that the present invention is provided is：When ultra-high-tension power transmission line breaks down, do not need any feature extraction algorithm carries out feature extraction to fault message, three-phase voltage or current fault signal amplitude only by collecting, by simple filtering, quick fault location is realized, abort situation is correctly found, contributes to the quick exclusion of failure, saving restores electricity the time, technically ensures the safe and stable and economical operation of power network.
Description
Technical field
The invention belongs to ultra-high-tension power transmission line FLT field, more particularly to a kind of height based on signal amplitude
Press power transmission line quick and precisely fault location system.
Background technology
Transmission line of electricity is the critical elements of power system, is responsible for the important task of conveying electric energy.When transmission line breaks down
When, quickly and accurately finding abort situation can reduce maintenance and the time for restoring electricity, while reducing caused by power failure
Economic loss and social influence.The conventional method of trouble-shooting position is artificial line walking, but artificial line walking has some shortcomings,
Such as：Transmission distance is long, along the line vast in territory, abort situation not substantially, transient fault be difficult to discover, take time and effort efficiency compared with
It is low.Therefore, the lookup of abort situation has extremely important after fast and accurately fault location breaks down for long power transmission line
Meaning.
Nowadays, correlation scholar has been proposed some positioning sides in ultra-high-tension power transmission line FLT field both at home and abroad
Method, such as impedance method, fault analytical method, traveling wave method and intelligent positioning method.Impedance method, fault analytical method and traveling wave law theory grind
It is more early to study carefully the time, but is influenceed by its systematic parameter and there is a problem of that some are to be solved in actual applications.And intelligent positioning
Method is not influenceed by systematic parameter and the learning ability of intelligent algorithm is stronger, has therefore suffered from increasing focus of attention.
The content of the invention
It is quick it is an object of the invention to provide a kind of high voltage transmission line based on signal amplitude in order to solve the above problems
Exact failure alignment system.
In order to achieve the above object, the quick and precisely fault location of the high voltage transmission line based on signal amplitude that the present invention is provided
System includes：Signal acquisition module, signal processing module and fault location module：Wherein, signal acquisition module and signal transacting
It is connected by noiseless line between module；It is connected by noiseless line between signal processing module and fault location module.
Described signal acquisition module is signal acquisition sensor, including current acquisition module and voltage acquisition module；Letter
Number processing module is signal shaping treatment and necessary computing circuit, including filtration module or filtration module and Power arithmetic mould
Block；Fault location module is fault location arithmetic unit, and it is used at all-purpose computer, DSP data handling systems, embedded digital
Reason system or the exclusive data processing system based on FPGA are hardware platform.
The described high voltage transmission line based on signal amplitude quick and precisely species of the fault location system according to signal acquisition
Different three kinds of station-keeping modes：Voltage mode, current-mode and power mode；
Fault location system under described voltage mode includes：Voltage acquisition module, filtration module and fault location mould
Block；Wherein：It is connected by noiseless line between voltage acquisition module and filtration module；Filtration module and fault location module it
Between be connected by noiseless line；
Fault location system under described current-mode includes：Current acquisition module, filtration module and fault location mould
Block；Wherein：It is connected by noiseless line between current acquisition module and filtration module；Filtration module and fault location module it
Between be connected by noiseless line；
Fault location system under described power mode includes：Voltage acquisition module, current acquisition module, two filtering
Module, Power arithmetic module and fault location module；Wherein：By noiseless between voltage acquisition module and a filtration module
Line is connected；It is connected by noiseless line between current acquisition module and another filtration module；Two filtration modules with
It is connected by noiseless line between Power arithmetic module；Pass through noiseless line between Power arithmetic module and fault location module
It is connected.
The advantage of the quick and precisely fault location system of the high voltage transmission line based on signal amplitude that the present invention is provided is：Work as height
When pressure transmission line breaks down, it is not necessary to which any feature extraction algorithm carries out feature extraction to fault message, only by collection
The three-phase voltage or current fault signal amplitude for arriving, by simple filtering, realize quick fault location, correctly find event
Barrier position, contributes to the quick exclusion of failure, saving to restore electricity the time, technically ensures the safe and stable of power network and warp
Ji operation.
Brief description of the drawings
Fig. 1 is the integrated stand of the high voltage transmission line based on signal amplitude that provides of the present invention quick and precisely fault location system
Structure schematic diagram.
Fig. 2 is the overall architecture schematic diagram of fault location system under voltage mode.
Fig. 3 is the overall architecture schematic diagram of fault location system under current-mode.
Fig. 4 is the overall architecture schematic diagram of fault location system under power mode.
Specific embodiment
It is quickly accurate to the high voltage transmission line based on signal amplitude that the present invention is provided with specific embodiment below in conjunction with the accompanying drawings
True fault location system is described in detail.
As shown in figure 1, the quick and precisely fault location system bag of the high voltage transmission line based on signal amplitude that the present invention is provided
Include：Signal acquisition module 1, signal processing module 2 and fault location module 3：Wherein, signal acquisition module 1 and signal transacting mould
It is connected by noiseless line between block 2；It is connected by noiseless line between signal processing module 2 and fault location module 3.
Described signal acquisition module 1 is signal acquisition sensor, for the three-phase electricity on Real-time Collection high voltage transmission line
Pressure or three-phase current signal；It includes current acquisition module and voltage acquisition module；Signal processing module 2 is processed for signal shaping
With necessary computing circuit, for carrying out shaping filter and necessary computing to the signal for collecting, it includes filtration module
Or filtration module and Power arithmetic module；Fault location module 3 is fault location arithmetic unit, and it uses all-purpose computer, DSP numbers
According to processing system, embedded digital processing system or the exclusive data processing system based on FPGA be hardware platform, using artificial
Neutral net, decision tree, genetic algorithm, naive Bayesian, Logistic are returned and support vector machine method, and failure is believed first
Number be trained, after training terminates, according to Real-time Collection to fault-signal determine abort situation in real time.
The present invention provide the high voltage transmission line based on signal amplitude quick and precisely fault location system according to signal acquisition
Species it is different, following three kinds of station-keeping modes can be divided into：Voltage mode, current-mode and power mode.
As shown in Fig. 2 the fault location system under described voltage mode includes：Voltage acquisition module 1-1, filtration module
2-1 and fault location module 3；Wherein：
It is connected by noiseless line between voltage acquisition module 1-1 and filtration module 2-1；Filtration module 2-1 and failure
It is connected by noiseless line between locating module 3；The amplitude data that voltage acquisition module 1-1 will be collected is transmitted to filtration module
2-1, then filtration module 2-12 data are transmitted to fault location module 3 again.
The three-phase voltage signal that voltage acquisition module 1-1 is used on Real-time Collection faulty line；The signal acquisition for being used
Device is three-phase voltage signal sensor；Filtration module 2-1 is used to filter the noise signal in voltage signal, obtains effective electricity
Pressure failure amplitude；The filter for being used is low pass filter or bandpass filter；Fault location module 3 is used for voltage event
Barrier amplitude is trained, and training is used to find abort situation according to voltage failure amplitude after terminating；For voltage failure amplitude instruction
Experienced algorithm includes：Artificial neural network, decision tree, genetic algorithm, naive Bayesian, Logi st i c return and support to
Amount machine is in interior Intelligence Classifier.
As shown in figure 3, the fault location system under described current-mode includes：Current acquisition module 1-2, filtration module
2-1 and fault location module 3；Wherein：
It is connected by noiseless line between current acquisition module 1-2 and filtration module 2-1；Filtration module 2-1 and failure
It is connected by noiseless line between locating module 3.The amplitude data that current acquisition module 1-2 will be collected is transmitted to filtration module
2-1, then filtration module 2-1 data are transmitted to fault location module 3 again；
Current acquisition module 1-2 is used to gather the three-phase current signal on faulty line.The signal pickup assembly for being used
It is three-phase current signal sensor；Filtration module 2-1 is used to filter the noise signal in current signal, obtains effective electric current event
Barrier amplitude；The filter for being used is low pass filter or bandpass filter；Fault location module 3 is used to shake current failure
Width is trained, and training is used to find abort situation according to current failure amplitude after terminating.For the training of current failure amplitude
Algorithm includes：Artificial neural network, decision tree, genetic algorithm, naive Bayesian, Logi st i c are returned and SVMs
In interior Intelligence Classifier.
As shown in figure 4, the fault location system under described power mode includes：Voltage acquisition module 1-1, current acquisition
Module 1-2, two filtration module 2-1, Power arithmetic module 2-2 and fault location modules 3；Wherein：
It is connected by noiseless line between voltage acquisition module 1-1 and a filtration module 2-1；Current acquisition module 1-
It is connected by noiseless line between 2 and another filtration module 2-1；Two filtration module 2-1 with Power arithmetic module 2-2
Between be connected by noiseless line；It is connected by noiseless line between Power arithmetic module 2-2 and fault location module 3.
The data that voltage acquisition module 2-1 is collected are transmitted to Power arithmetic module 2-2 by a filtration module 2-1, electricity
The data that stream acquisition module 1-2 is collected are transmitted to Power arithmetic module 2-2 by another filtration module 2-1, then power fortune
Calculate module 2-2 and data are transmitted to fault location module 3.
Voltage acquisition module 1-1 is used to gather the three-phase voltage signal on faulty line；The signal pickup assembly for being used
It is three-phase voltage signal sensor, connected filtration module 2-1 is used to filter the noise signal in voltage signal, is had
The voltage failure amplitude of effect；The filter for being used is low pass filter or bandpass filter；Current acquisition module 1-2 is used for
Three-phase current signal on collection faulty line, the signal pickup assembly applied is three-phase current signal sensor；Connect with it
The filtration module 2-1 for connecing is used to filter the noise signal in current signal, obtains effective current failure amplitude；The filter for being used
Wave apparatus are low pass filter or bandpass filter.Power arithmetic module 2-2 is used to shake voltage failure amplitude and current failure
Width is integrated into power failure amplitude, and the device for being used is multiplier；Fault location module 3 is used to carry out power failure amplitude
Training, training is used to find abort situation according to power failure amplitude after terminating.For the algorithm bag of power failure amplitude training
Include：Artificial neural network, decision tree, genetic algorithm, naive Bayesian, Logistic are returned and SVMs is in interior intelligence
Grader.
Above-mentioned three kinds of station-keeping modes use any feature extraction algorithm to enter fault message during fault location, not
Row fault signature is extracted, but directly uses fault-signal amplitude as fault-signal feature.Due to reducing this step, therefore
So that fault location speed is greatly improved.Meanwhile, because fault message feature is more direct so that the precision of fault location is also entered
One step is improved.
Above-mentioned three kinds of station-keeping modes are all individually operated, after must carrying out station-keeping mode setting to the training of system
Can carry out.When transition resistance ratio is larger, curtage station-keeping mode can be selected；When transition resistance ratio is less
When, power mode fault location should be selected.After training, when using the system, first regioselective pattern is also wanted, then
The final fault location of application and trouble information realization.
The major function of the quick and precisely fault location system of the high voltage transmission line based on signal amplitude that the present invention is provided：When
When ultra-high-tension power transmission line breaks down, signal acquisition module 1 gathers rapidly three-phase fault information, and fault message then is transmitted into filter
Ripple module 2, filters noise signal, obtains effective fault-signal amplitude.Effective fault-signal amplitude is transmitted to event by filtration module 2 again
Barrier locating module 3, using artificial neural network, decision tree, genetic algorithm, naive Bayesian, Logistic return and support to
The Intelligence Classifiers such as amount machine are trained to failure amplitude.After training terminates, fault location module 3 can be quick according to failure amplitude
Correctly find abort situation.
Claims (3)
1. a kind of high voltage transmission line based on signal amplitude quick and precisely fault location system, it is characterised in that：It is described based on
Quick and precisely fault location system includes the high voltage transmission line of signal amplitude：Signal acquisition module (1), signal processing module (2)
With fault location module (3)：Wherein, it is connected by noiseless line between signal acquisition module (1) and signal processing module (2)
Connect；It is connected by noiseless line between signal processing module (2) and fault location module (3).
2. the high voltage transmission line based on signal amplitude according to claim 1 quick and precisely fault location system, its feature
It is：Described signal acquisition module (1) is signal acquisition sensor, including current acquisition module and voltage acquisition module；Letter
Number processing module (2) is signal shaping treatment and necessary computing circuit, including filtration module or filtration module and Power arithmetic
Module；Fault location module (3) is fault location arithmetic unit, and it uses all-purpose computer, DSP data handling systems, embedded
Digital processing system or the exclusive data processing system based on FPGA are hardware platform.
3. the high voltage transmission line based on signal amplitude according to claim 1 quick and precisely fault location system, its feature
It is：Quick and precisely fault location system is different according to the species of signal acquisition for the described high voltage transmission line based on signal amplitude
Three kinds of station-keeping modes：Voltage mode, current-mode and power mode；
Fault location system under described voltage mode includes：Voltage acquisition module (1-1), filtration module (2-1) and failure
Locating module (3)；Wherein：It is connected by noiseless line between voltage acquisition module (1-1) and filtration module (2-1)；Filtering
It is connected by noiseless line between module (2-1) and fault location module (3)；
Fault location system under described current-mode includes：Current acquisition module (determine by 1-2, filtration module (2-1) and failure
Position module (3)；Wherein：It is connected by noiseless line between current acquisition module (1-2) and filtration module (2-1)；Filtering mould
It is connected by noiseless line between block (2-1) and fault location module (3)；
Fault location system under described power mode includes：Voltage acquisition module (1-1), current acquisition module (1-2), two
Individual filtration module (2-1), Power arithmetic module (2-2) and fault location module (3)；Wherein：Voltage acquisition module (1-1) and one
It is connected by noiseless line between individual filtration module (2-1)；Current acquisition module (1-2) and another filtration module (2-1)
Between be connected by noiseless line；Two filtration modules (2-1) pass through noiseless line between Power arithmetic module (2-2)
It is connected；It is connected by noiseless line between Power arithmetic module (2-2) and fault location module (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710034389.5A CN106855604A (en) | 2017-01-17 | 2017-01-17 | A kind of high voltage transmission line based on signal amplitude quick and precisely fault location system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034389.5A CN106855604A (en) | 2017-01-17 | 2017-01-17 | A kind of high voltage transmission line based on signal amplitude quick and precisely fault location system |
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| CN106855604A true CN106855604A (en) | 2017-06-16 |
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| CN201710034389.5A Pending CN106855604A (en) | 2017-01-17 | 2017-01-17 | A kind of high voltage transmission line based on signal amplitude quick and precisely fault location system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108596086A (en) * | 2018-04-23 | 2018-09-28 | 中国民航大学 | A kind of high voltage transmission line based on voltage amplitude quick and precisely failure modes system |
| CN108845228A (en) * | 2018-04-28 | 2018-11-20 | 中国民航大学 | A kind of high voltage transmission line based on signal amplitude quick and precisely fault diagnosis system |
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| CN102735966A (en) * | 2012-06-12 | 2012-10-17 | 燕山大学 | Power transmission line evaluation and diagnosis system and power transmission line evaluation and diagnosis method |
| CN103245879A (en) * | 2013-04-18 | 2013-08-14 | 国家电网公司 | Small current neutral grounding fault location method based on direction of transient state reactive power |
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Patent Citations (5)
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| CN1896756A (en) * | 2006-03-16 | 2007-01-17 | 重庆大学 | Cable-fault on-line distance measurement based on artifical nerve network mode |
| CN102435912A (en) * | 2011-10-13 | 2012-05-02 | 华北电力大学（保定） | Method for positioning fault disturbance point in power grid |
| CN102401871A (en) * | 2011-11-29 | 2012-04-04 | 安徽继远电网技术有限责任公司 | Failure message integrated device based on FPGA and ARM hardware platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108845228A (en) * | 2018-04-28 | 2018-11-20 | 中国民航大学 | A kind of high voltage transmission line based on signal amplitude quick and precisely fault diagnosis system |
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Application publication date: 20170616 |