CN106680661A - Automatic electric power fault detection device - Google Patents
Automatic electric power fault detection device Download PDFInfo
- Publication number
- CN106680661A CN106680661A CN201611004413.2A CN201611004413A CN106680661A CN 106680661 A CN106680661 A CN 106680661A CN 201611004413 A CN201611004413 A CN 201611004413A CN 106680661 A CN106680661 A CN 106680661A
- Authority
- CN
- China
- Prior art keywords
- fault
- signal
- current
- voltage
- server
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 238000003745 diagnosis Methods 0.000 claims abstract description 15
- 238000010835 comparative analysis Methods 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract 7
- 230000000246 remedial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
- G01R19/2509—Details concerning sampling, digitizing or waveform capturing
-
- 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
-
- 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
- G01R31/088—Aspects of digital computing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an automatic electric power fault detection device. A current transformer and a voltage transformer are installed in an electric power circuit. The output end of the current transformer and the output end of the voltage transformer are connected with the input end of a power grid fault analysis device through an analog-to-digital conversion device. The output end of the power grid fault analysis device is connected with the input end of a server. The output end of the server is connected with a fault diagnosis module. The current transformer and the voltage transformer are used for detecting current simulation signals and voltage simulation signals of the electric power circuit, converting the current simulation signals and the voltage simulation signals into current digital signals and voltage simulation signals and inputting the current digital signals and the voltage simulation signals into a power grid fault analysis device. The power grid fault analysis device carries out comparison analysis on the input current digital signals and the input voltage simulation signals with standard signals stored in a system so as to determine fault signals. The server is used for receiving the fault signals so as to position fault points and carry out fault diagnosis through the fault diagnosis module.
Description
Technical field
The present invention relates to a kind of automatic electric power failure detector.
Background technology
As power transmission line road network expands rapidly, power system operating mode becomes more complicated, produces in actual motion
Raw impact responds and huge destruction is usually caused to electrical network, or even have impact on the stable operation of electrical network, former when there is electrical network
Just cannot adopt remedial measures after barrier.
The content of the invention
The invention provides a kind of automatic electric power failure detector, he can be realized under conditions of not having a power failure to electric power
The electric current of circuit is detected, early warning, such that it is able to take effectively remedial measure to be taken precautions against.
Present invention employs technical scheme below：A kind of automatic electric power failure detector, it include current transformer and
Voltage transformer, electric network fault analytical equipment, analog-digital commutator, server and fault diagnosis module, current transformer and electricity
Pressure transformer is arranged in power circuit, and the output end of current transformer and the output end of voltage transformer all pass through analog-to-digital conversion
Device is connected with the input of electric network fault analytical equipment, and the output end of electric network fault analytical equipment connects with the input of server
Connect, the output end of server is connected with fault diagnosis module, current transformer and voltage transformer are respectively used to detect power line
Current analog signal and voltage analog signal are simultaneously transformed into current digital letter by the current analog signal and voltage analog signal on road
Number and voltage analog signal be input to electric network fault analytical equipment, electric network fault analytical equipment by the current digital signal being input into and
Voltage analog signal is analyzed to determine fault-signal with the standard signal of storage in system, and described server is used for
Receive fault-signal to carry out fault point and carry out fault diagnosis by fault diagnosis module.
By wireless network connection or bluetooth connection between described electric network fault analytical equipment and server.Described
The wireless network connection set up by Ethernet card or wireless network card between electric network fault analytical equipment and server.Described
Electric network fault analytical equipment includes current detecting unit, voltage detection unit, comparative analysis unit, memory cell and sends single
Unit, current detecting unit and voltage detection unit are all connected with comparative analysis unit, memory cell and transmitting element successively, electric current
Detector unit and voltage detection unit are analyzed the signal for detecting with the standard signal of storage by comparative analysis unit
Fault-signal storage after contrast is carried out into signal transmission in memory cell and by transmitting element after contrast.Described server
Including receiving unit and line fault positioning unit, receiving unit is connected with line fault positioning unit, and receiving unit receives event
Barrier signal carries out fault location by line fault positioning unit, the reason for determine failure.
The invention has the advantages that：After employing above technical scheme, the present invention is not only easy to operate, structure letter
List, and can effectively determine type and the place of failure, it is easy to take measures, fix a breakdown, man power and material has been saved,
Improve the efficiency of maintenance.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structured flowchart of electric network fault analytical equipment of the present invention.
Fig. 3 is the structured flowchart of server of the present invention.
Specific embodiment
In Fig. 1, Fig. 2 and Fig. 3, the invention provides a kind of automatic electric power failure detector, it includes Current Mutual Inductance
Device and voltage transformer, electric network fault analytical equipment, analog-digital commutator, server and fault diagnosis module, current transformer
It is arranged in power circuit with voltage transformer, the output end of current transformer and the output end of voltage transformer all pass through modulus
Conversion equipment is connected with the input of electric network fault analytical equipment, the output end of electric network fault analytical equipment and the input of server
End connection, the output end of server is connected with fault diagnosis module, and current transformer and voltage transformer are respectively used to detection electricity
Current analog signal and voltage analog signal are simultaneously transformed into electric current number by the current analog signal and voltage analog signal on line of force road
Word signal and voltage analog signal are input to electric network fault analytical equipment, and electric network fault analytical equipment believes the current digital being input into
Number and voltage analog signal and system in the standard signal that stores be analyzed to determine fault-signal, described server
Carry out fault point and fault diagnosis, described electric network fault analysis are carried out by fault diagnosis module for receiving fault-signal
By wireless network connection or bluetooth connection between device and server, described electric network fault analytical equipment and server it
Between the wireless network connection set up by Ethernet card or wireless network card, the electric network fault analytical equipment stated includes current detecting
Unit, voltage detection unit, comparative analysis unit, memory cell and transmitting element, current detecting unit and voltage detection unit
All it is connected with comparative analysis unit, memory cell and transmitting element successively, current detecting unit and voltage detection unit will be detected
To signal by comparative analysis unit and storage standard signal be analyzed contrast after by contrast after fault-signal storage arrive
Signal transmission is carried out in memory cell and by transmitting element, described server includes that receiving unit and line fault positioning are single
Unit, receiving unit is connected with line fault positioning unit, and receiving unit is received fault-signal and entered by line fault positioning unit
Row fault location, the reason for determine failure.
Claims (5)
1. a kind of automatic electric power failure detector, is characterized in that it includes current transformer and voltage transformer, electric network fault
Analytical equipment, analog-digital commutator, server and fault diagnosis module, current transformer and voltage transformer are arranged on power line
Lu Zhong, the output end of current transformer and the output end of voltage transformer are all by analog-digital commutator and electric network fault analysis dress
The input connection put, the output end of electric network fault analytical equipment is connected with the input of server, the output end of server and
Fault diagnosis module connects, and current transformer and voltage transformer are respectively used to detect the current analog signal and electricity of power circuit
Current analog signal and voltage analog signal are simultaneously transformed into current digital signal and voltage analog signal input by pressure analog signal
To electric network fault analytical equipment, electric network fault analytical equipment is by the current digital signal and voltage analog signal and system that are input into
The standard signal of storage is analyzed to determine fault-signal, and described server is used to receive fault-signal to position event
Barrier point simultaneously carries out fault diagnosis by fault diagnosis module.
2. automatic electric power failure detector according to claim 1, the electric network fault analytical equipment described in its feature with
By wireless network connection or bluetooth connection between server.
3. automatic electric power failure detector according to claim 2, the electric network fault analytical equipment described in its feature with
The wireless network connection set up by Ethernet card or wireless network card between server.
4. automatic electric power failure detector according to claim 1 and 2, the electric network fault analytical equipment described in its feature
Including current detecting unit, voltage detection unit, comparative analysis unit, memory cell and transmitting element, current detecting unit and
Voltage detection unit is all connected with comparative analysis unit, memory cell and transmitting element successively, and current detecting unit and voltage are examined
Unit is surveyed by the signal for detecting event after the standard signal of comparative analysis unit and storage is analyzed contrast after contrast
Barrier signal storage carries out signal transmission in memory cell and by transmitting element.
5. automatic electric power failure detector according to claim 1 and 2, the server described in its feature includes receiving single
Unit and line fault positioning unit, receiving unit is connected with line fault positioning unit, and receiving unit receives fault-signal and passes through
Line fault positioning unit carries out fault location, the reason for determine failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004413.2A CN106680661A (en) | 2016-11-15 | 2016-11-15 | Automatic electric power fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004413.2A CN106680661A (en) | 2016-11-15 | 2016-11-15 | Automatic electric power fault detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106680661A true CN106680661A (en) | 2017-05-17 |
Family
ID=58840198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611004413.2A Pending CN106680661A (en) | 2016-11-15 | 2016-11-15 | Automatic electric power fault detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106680661A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064848A (en) * | 2017-05-25 | 2017-08-18 | 国家电网公司 | Transmission line of electricity distributed diagnostics device check system and method |
| CN108759901A (en) * | 2018-03-28 | 2018-11-06 | 合肥云智物联科技有限公司 | Power grid voluntarily diagnostic system and its method |
| CN109444578A (en) * | 2018-10-31 | 2019-03-08 | 郑州海威光电科技有限公司 | A kind of power failure detection method and its equipment |
| CN109633512A (en) * | 2018-12-03 | 2019-04-16 | 国网江苏省电力有限公司电力科学研究院 | A kind of all-fiber current transformator method for diagnosing faults and device |
| CN111273571A (en) * | 2018-12-04 | 2020-06-12 | 珠海格力电器股份有限公司 | Equipment running state monitoring method, device and system, storage medium and equipment |
-
2016
- 2016-11-15 CN CN201611004413.2A patent/CN106680661A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064848A (en) * | 2017-05-25 | 2017-08-18 | 国家电网公司 | Transmission line of electricity distributed diagnostics device check system and method |
| CN108759901A (en) * | 2018-03-28 | 2018-11-06 | 合肥云智物联科技有限公司 | Power grid voluntarily diagnostic system and its method |
| CN109444578A (en) * | 2018-10-31 | 2019-03-08 | 郑州海威光电科技有限公司 | A kind of power failure detection method and its equipment |
| CN109633512A (en) * | 2018-12-03 | 2019-04-16 | 国网江苏省电力有限公司电力科学研究院 | A kind of all-fiber current transformator method for diagnosing faults and device |
| CN109633512B (en) * | 2018-12-03 | 2020-10-16 | 国网江苏省电力有限公司电力科学研究院 | All-fiber current transformer fault diagnosis method and device |
| CN111273571A (en) * | 2018-12-04 | 2020-06-12 | 珠海格力电器股份有限公司 | Equipment running state monitoring method, device and system, storage medium and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |
|
| WD01 | Invention patent application deemed withdrawn after publication |