CN109459661A - A kind of distribution network failure automatic isolation system - Google Patents
A kind of distribution network failure automatic isolation system Download PDFInfo
- Publication number
- CN109459661A CN109459661A CN201811413004.7A CN201811413004A CN109459661A CN 109459661 A CN109459661 A CN 109459661A CN 201811413004 A CN201811413004 A CN 201811413004A CN 109459661 A CN109459661 A CN 109459661A
- Authority
- CN
- China
- Prior art keywords
- distribution network
- master controller
- positioning
- communication
- data
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of distribution network failure automatic isolation system, including data acquisition device, optical isolation, master controller, positioning device, communication device, data storage device, data presentation device, power supply unit, host computer, cloud server and user terminal.Structure of the invention is biased to Simple automation, process flow is very simple, when short circuit, ground connection, current or voltage failure occur for power distribution network, failure is accurately positioned by positioning device, and fault message and location information are received and sent out by communication device, to realize distribution network failure detection and positioning quick and precisely.
Description
Technical field
The present invention relates to distribution technique fields, and in particular, to a kind of distribution network failure automatic isolation system.
Background technique
China's power distribution network huge number, has a very wide distribution, and apparatus insulated level is low, vulnerable to power grid internal overvoltage and the external world
The influence of natural environment causes insulation fault, and power supply reliability is in urgent need to be improved.Its existing main problem: overvoltage, route selection are fixed
Position, system capacitive current increases substantially, arc light is unable to self-extinguishment etc..
For main problem existing for above-mentioned power distribution network, those skilled in the art propose neutral point using extinguishing arc in recent years
Coils from parallel connection of coils resistance earthing carrys out the thinking of route selection, and power distribution network over-voltage inhibits and failure line selection complexes, from system
Angle, comprehensive study simultaneously realizes Overvoltage suppressing, single-phase earth fault line selection, automatic tuning capabilities, in test philosophy and reality
It now technically realizes and breaks through.
But not only the interference signal of fault collection device acquisition fault message is too strong in present power distribution network, Er Qiecun
In the problem of fault location inaccuracy.
Therefore, it is necessary to a kind of distribution network failure automatic isolation systems.
Summary of the invention
The object of the invention is that the shortcomings that overcoming the above-mentioned prior art and deficiency, it is automatic to provide a kind of distribution network failure
Shielding system, the system structure are biased to Simple automation, and process flow is very simple, and short circuit, ground connection, electric current occurs in power distribution network
Or when voltage failure, failure is accurately positioned by positioning device, and fault message and location information are passed through into communication dress
Reception and submitting are set, to realize distribution network failure detection and positioning quick and precisely.
Technical solution used by the present invention solves the above problems is:
A kind of distribution network failure automatic isolation system, including it is data acquisition device, optical isolation, master controller, fixed
Position device, communication device, data storage device, data presentation device, power supply unit, host computer, cloud server and user are whole
End；The data acquisition device includes short-circuit sensor, grounding sensor, current detection means and voltage check device, described
Short-circuit sensor, grounding sensor, current detection means and voltage check device output end pass through the Phototube Coupling and fill
The input terminal for being connected to the master controller is set, the master controller is also deposited with the positioning device, communication device, data respectively
Storage device is connected with data presentation device, and the master controller also passes through the communication device and the host computer and the user
Terminal network connection, carries out data interaction between the host computer and the cloud server；Wherein, the short-circuit sensor is used
Short circuit phenomenon whether occurs in detection power distribution network, the grounding sensor is for detecting whether power distribution network occurs grounding phenomenon, institute
It states current detection means and is used to detect the voltage letter of power distribution network for detecting the current information of power distribution network, the voltage check device
Breath, the optical isolation are used to be isolated the physical message of the data acquisition device acquisition, and the positioning device is for adopting
Collect the geographical location information of the master controller, the data storage device is used for the physics acquired with the data acquisition device
The corresponding threshold value physical message of information, the physical message and threshold that the master controller is used to acquire the data acquisition device
Value physical message is compared and generates comparison result, and the data presentation device is for showing geographical location information and the master
The comparison result information that controller generates, the communication device are used for the ratio for generating geographical location information and the master controller
Occur compared with result information to the host computer and the user terminal, the power supply unit be used for the data acquisition device,
Optical isolation, master controller, positioning device, communication device and data presentation device power supply；
It further include RTC device, KIU keyboard interface unit and net-port device with one, the RTC device, KIU keyboard interface unit and network interface dress
It sets and equal is connect with the master controller, wherein the RTC device is for being arranged system clock information, the KIU keyboard interface unit
For connecting keyboard and inputting key entry information, preliminary data coffret of the net-port device with one as system, the main control
Device uses the BF518 processor of ADI company, and the KIU keyboard interface unit uses ADP5588 model, and the net-port device with one uses
KS8893M model；
It further include fault trip breaker and fault trip breaker positioning device, the fault trip breaker and failure
Trip breaker positioning device is connect with the master controller respectively, wherein the fault trip breaker is used in power distribution network
Automatic trip open circuit is isolated when breaking down, when the fault trip breaker positioning device breaks down for positioning power distribution network
The location information of automatic trip open circuit section.
Further, in from the optical isolation to the signal transduction process of the master controller, also successively pass through
Signal filter circuit, signal amplification circuit, analog to digital conversion circuit.
Further, the positioning device uses GPS positioning system, BEI-DOU position system or wireless base station positioning system.
Further, the communication device is using GPRS communication, 3G communication, 4G communication, cdma communication or gsm communication.
Further, the data presentation device uses LCD liquid crystal display.
Further, the data storage device uses mobile hard disk.
Further, the power supply unit uses lithium battery.
To sum up, the beneficial effects of the present invention are:
Structure of the invention is biased to Simple automation, and process flow is very simple, and short circuit, ground connection, electric current occurs in power distribution network
Or when voltage failure, failure is accurately positioned by positioning device, and fault message and location information are passed through into communication dress
Reception and submitting are set, to realize distribution network failure detection and positioning quick and precisely.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
In order to which the interference signal for solving not only fault collection device acquisition fault message in power distribution network in the prior art is too strong,
And there is a problem of fault location inaccuracy the case where, structure of the invention be biased to Simple automation, process flow is very simple,
When short circuit, ground connection, current or voltage failure occur for power distribution network, failure is accurately positioned by positioning device, and will be former
Hinder information and location information to receive and send out by communication device, to realize the quick standard of distribution network failure detection and positioning
Really.The present invention will now be described in further detail with reference to the accompanying drawings and the accompanying drawings, but embodiments of the present invention are not limited to
This, the example that only present invention applies in figure does not have essential constraint to the principle of the present invention.
Embodiment:
As shown in Figure 1, a kind of distribution network failure automatic isolation system, including data acquisition device, optical isolation, master
Controller, positioning device, communication device, data storage device, data presentation device, power supply unit, host computer, cloud server
And user terminal；The data acquisition device includes short-circuit sensor, grounding sensor, current detection means and voltage detecting dress
Set, the short-circuit sensor, grounding sensor, current detection means and voltage check device output end pass through the photoelectricity
Isolating device is connected to the input terminal of the master controller, the master controller also respectively with the positioning device, communication device,
Data storage device is connected with data presentation device, and the master controller also passes through the communication device and the host computer and institute
User terminal network connection is stated, data interaction is carried out between the host computer and the cloud server；Wherein, the short circuit passes
Sensor is for detecting whether power distribution network occurs short circuit phenomenon, and the grounding sensor is for detecting whether power distribution network occurs ground connection now
As the current detection means is used to detect the current information of power distribution network, and the voltage check device is for detecting power distribution network
Information of voltage, the optical isolation are used to be isolated the physical message of the data acquisition device acquisition, the positioning device
For acquiring the geographical location information of the master controller, the data storage device is used to acquire with the data acquisition device
The corresponding threshold value physical message of physical message, the physics that the master controller is used to acquire the data acquisition device believes
Breath is compared with threshold value physical message and generates comparison result, the data presentation device for show geographical location information with
The comparison result information that the master controller generates, the communication device are used for geographical location information and the master controller is raw
At comparison result information occur to the host computer and the user terminal, the power supply unit is for giving data acquisition
Device, optical isolation, master controller, positioning device, communication device and data presentation device power supply；
It further include RTC device, KIU keyboard interface unit and net-port device with one, the RTC device, KIU keyboard interface unit and network interface dress
It sets and equal is connect with the master controller, wherein the RTC device is for being arranged system clock information, the KIU keyboard interface unit
For connecting keyboard and inputting key entry information, preliminary data coffret of the net-port device with one as system, the main control
Device uses the BF518 processor of ADI company, and the KIU keyboard interface unit uses ADP5588 model, and the net-port device with one uses
KS8893M model；
It further include fault trip breaker and fault trip breaker positioning device, the fault trip breaker and failure
Trip breaker positioning device is connect with the master controller respectively, wherein the fault trip breaker is used in power distribution network
Automatic trip open circuit is isolated when breaking down, when the fault trip breaker positioning device breaks down for positioning power distribution network
The location information of automatic trip open circuit section.
It is further in the present embodiment, from the optical isolation to the signal transduction process of the master controller
In, also successively pass through signal filter circuit, signal amplification circuit, analog to digital conversion circuit.
Further in the present embodiment, the positioning device uses GPS positioning system, BEI-DOU position system or wireless base
It stands positioning system.
Further in the present embodiment, the communication device is using GPRS communication, 3G communication, 4G communication, cdma communication
Or gsm communication.
Further in the present embodiment, the data presentation device uses LCD liquid crystal display.
Further in the present embodiment, the data storage device uses mobile hard disk.
Further in the present embodiment, the power supply unit uses lithium battery.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (7)
1. a kind of distribution network failure automatic isolation system, which is characterized in that including data acquisition device, optical isolation, master
Controller, positioning device, communication device, data storage device, data presentation device, power supply unit, host computer, cloud server
And user terminal；The data acquisition device includes short-circuit sensor, grounding sensor, current detection means and voltage detecting dress
Set, the short-circuit sensor, grounding sensor, current detection means and voltage check device output end pass through the photoelectricity
Isolating device is connected to the input terminal of the master controller, the master controller also respectively with the positioning device, communication device,
Data storage device is connected with data presentation device, and the master controller also passes through the communication device and the host computer and institute
User terminal network connection is stated, data interaction is carried out between the host computer and the cloud server；Wherein, the short circuit passes
Sensor is for detecting whether power distribution network occurs short circuit phenomenon, and the grounding sensor is for detecting whether power distribution network occurs ground connection now
As the current detection means is used to detect the current information of power distribution network, and the voltage check device is for detecting power distribution network
Information of voltage, the optical isolation are used to be isolated the physical message of the data acquisition device acquisition, the positioning device
For acquiring the geographical location information of the master controller, the data storage device is used to acquire with the data acquisition device
The corresponding threshold value physical message of physical message, the physics that the master controller is used to acquire the data acquisition device believes
Breath is compared with threshold value physical message and generates comparison result, the data presentation device for show geographical location information with
The comparison result information that the master controller generates, the communication device are used for geographical location information and the master controller is raw
At comparison result information occur to the host computer and the user terminal, the power supply unit is for giving data acquisition
Device, optical isolation, master controller, positioning device, communication device and data presentation device power supply；
It further include RTC device, KIU keyboard interface unit and net-port device with one, the RTC device, KIU keyboard interface unit and net-port device with one are equal
It is connect with the master controller, wherein for system clock information to be arranged, the KIU keyboard interface unit is used for the RTC device
Connection keyboard simultaneously inputs key entry information, preliminary data coffret of the net-port device with one as system, and the master controller is adopted
With the BF518 processor of ADI company, the KIU keyboard interface unit uses ADP5588 model, and the net-port device with one uses
KS8893M model；
It further include fault trip breaker and fault trip breaker positioning device, the fault trip breaker and fault trip
Breaker positioning device is connect with the master controller respectively, wherein the fault trip breaker is used to occur in power distribution network
Automatic trip open circuit is isolated when failure, and the fault trip breaker positioning device is automatic when power distribution network breaks down for positioning
The location information of the breaking section of tripping.
2. a kind of distribution network failure automatic isolation system according to claim 1, which is characterized in that from the Phototube Coupling
Device also successively turns by signal filter circuit, signal amplification circuit, modulus into the signal transduction process of the master controller
Change circuit.
3. a kind of distribution network failure automatic isolation system according to claim 1, which is characterized in that the positioning device is adopted
With GPS positioning system, BEI-DOU position system or wireless base station positioning system.
4. a kind of distribution network failure automatic isolation system according to claim 1, which is characterized in that the communication device is adopted
With GPRS communication, 3G communication, 4G communication, cdma communication or gsm communication.
5. a kind of distribution network failure automatic isolation system according to claim 1, which is characterized in that the data display dress
It sets using LCD liquid crystal display.
6. a kind of distribution network failure automatic isolation system according to claim 1, which is characterized in that the data storage dress
It sets using mobile hard disk.
7. a kind of distribution network failure automatic isolation system according to claim 1, which is characterized in that the power supply unit is adopted
Use lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413004.7A CN109459661A (en) | 2018-11-23 | 2018-11-23 | A kind of distribution network failure automatic isolation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413004.7A CN109459661A (en) | 2018-11-23 | 2018-11-23 | A kind of distribution network failure automatic isolation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459661A true CN109459661A (en) | 2019-03-12 |
Family
ID=65611527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811413004.7A Withdrawn CN109459661A (en) | 2018-11-23 | 2018-11-23 | A kind of distribution network failure automatic isolation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109459661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625098A (en) * | 2021-06-22 | 2021-11-09 | 国网辽宁省电力有限公司大连供电公司 | Automatic fault isolation system for power distribution network |
-
2018
- 2018-11-23 CN CN201811413004.7A patent/CN109459661A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625098A (en) * | 2021-06-22 | 2021-11-09 | 国网辽宁省电力有限公司大连供电公司 | Automatic fault isolation system for power distribution network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105158543A (en) | Acquisition unit for leak current of ultra high voltage direct-current arrester based on two Hall elements | |
| CN203606424U (en) | On-line monitoring device for grounding current of transformer core | |
| CN105182044A (en) | Ultrahigh voltage DC arrester state detection device with Hall sensor acting as framework | |
| CN105527499A (en) | Grounding resistance detection and analysis system with automatic alarm function | |
| CN109459661A (en) | A kind of distribution network failure automatic isolation system | |
| CN205103296U (en) | Detection apparatus for reveal electric current with non - contact pick up to special high voltage direct current arrester | |
| CN104360215A (en) | Detection device for multi-point earthing fault of small bus N600 | |
| CN103346621A (en) | Multifunctional intelligent circuit breaker | |
| CN203405561U (en) | Direct current power source grounding fault searching device | |
| CN109444663A (en) | A kind of Distribution Fault Location System of low cost | |
| CN202631677U (en) | Electrical network fault locating system | |
| CN111624440A (en) | Single phase grounding fault line selection device in neutral point through arc suppression coil grounding system | |
| CN109444662A (en) | A kind of power distribution network over-voltage inhibition system | |
| CN208753985U (en) | Intelligent lightning protection device and the lightning protection box for protecting three-phase circuit | |
| CN105158633A (en) | Method for sharing online state detection data of ultrahigh voltage direct-current lightning arrester by cloud platform | |
| CN204925306U (en) | System that listens on line of electric current is revealed to special high voltage direct current arrester based on cloud | |
| CN109870625A (en) | A kind of Zinc-Oxide Arrester live line measurement device based on wireless communication | |
| US8280654B2 (en) | Conductor apparatus, system, and method of displaying whether a number of conductors conduct current | |
| CN109188098A (en) | A kind of ground resistance on-line monitoring management system | |
| CN101359823A (en) | One-phase grounding hierarchical or integral wire-selective device for high-voltage grid | |
| CN105301325B (en) | With hall sensing theory to the method for UHVDC Arrester leakage current collection | |
| CN208874357U (en) | A kind of master station monitoring power distribution network line selection apparatus | |
| CN203798964U (en) | Fault locator of power distribution network | |
| CN202929090U (en) | Real-time load current and zero-sequence current detection system of three-phase power transmission and distribution circuit | |
| CN110514904A (en) | Insulating resistance measuring early warning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190312 |
|
| WW01 | Invention patent application withdrawn after publication |