CN202309230U - Fault location monitoring system for distribution network - Google Patents
Fault location monitoring system for distribution network Download PDFInfo
- Publication number
- CN202309230U CN202309230U CN2011204342264U CN201120434226U CN202309230U CN 202309230 U CN202309230 U CN 202309230U CN 2011204342264 U CN2011204342264 U CN 2011204342264U CN 201120434226 U CN201120434226 U CN 201120434226U CN 202309230 U CN202309230 U CN 202309230U
- Authority
- CN
- China
- Prior art keywords
- fault
- signal
- distribution network
- monitoring system
- locating instrument
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Locating Faults (AREA)
Abstract
The utility model relates to a fault location monitoring system for a distribution network, comprising fault locators, a signal receiving device and a fault information display device, wherein the fault locator passes through the specific location for the grounding or short line fault in a fault voltage current traveling wave signal measuring line; the signal receiving device is used for receiving the signal sent by the fault locator; the fault locator is arranged on two ends of each line in the distribution network, and at least two fault locators are arranged on each line; and the signal receiving device and the fault information display device are connected through an LAN (local area network). The fault location monitoring system for a distribution network has the advantages of being able to accurately locate the position where the fault occurs, significantly reducing the time for finding the fault location, clearing the circuit of the line and recovering the power supply of the other lines which do not malfunction after determining the line which malfunctions so as to reduce the loss caused by the fault.
Description
Technical field
The utility model relates to a kind of distribution network failure positioning monitoring system, the particularly a kind of distribution network failure positioning monitoring system that can accurately measure the fault occurrence positions.
Background technology
China's power department extensively adopts the fault detector of electromechanical integration on the 10kV power distribution network at present, after breaking down, send line attendant one tunnel to search over.Because the power distribution network branched line is many, search the inconvenience of fault ten minutes, often the human and material resources of labor and time.For rural power grids, it is just difficult more that the cross a river of need crossing over mountain after mountain is got over ditch
Chinese patent CN1286405A discloses a kind of based on a plurality of monitor terminals (like FTU) are installed in the distribution, and circuit breaker, section breaker, the interconnection switch line number of going forward side by side constitutes a network matrix through calculating the acquisition locating information.This method need be installed a plurality of monitor terminals in distribution, and can only confirm that the circuit between which two monitor terminal breaks down, can't be accurate to circuit which partly break down.
Chinese patent CN201947058U discloses a kind of fault detector of wireless transmission type of the ABC of containing three-phase indicating device, the monotype communication terminal that is connected with the said wireless transmission type of at least one cover fault detector.This patent can only confirm that which bar circuit breaks down, and can't confirm the particular location that breaks down in the circuit, still requires a great deal of time when therefore fixing a breakdown and manpower removes the particular location of confirming that fault takes place.
Present distribution network failure location technology exists the location inaccurate; The shortcoming that reliability is not high; And, more adopt underground cable along with the development of city overhead wire is fewer and feweri, can't solve for a lot of existing location technologies of fault-location problem of underground cable.
Summary of the invention
Goal of the invention: provide to the purpose of above problem the utility model and a kind ofly can accurately measure the fault occurrence positions and distribution network failure positioning monitoring system that do not receive the restriction of power distribution network form.
Technical scheme: a kind of distribution network failure positioning monitoring system comprises fault locating instrument through ground connection/short trouble particular location in the false voltage current traveling wave signal measurement circuit, is used to receive signal receiving device and the fault message display unit that fault locating instrument sends; Said fault locating instrument is installed on two ends and every circuit of every circuit in the power distribution network and installs two at least; Said signal receiving device is connected through local area network (LAN) with the fault message display unit; Said fault locating instrument comprises the signal supervisory instrument that is used to receive failure pulse signal, the satellite time receiving system that is used for receiving synchronously the satellite time signal, wireless communication apparatus and collection various types of signal and carries out the location processor of data processing; Said signal receiving device comprises satellite time receiving system, wireless communication apparatus that is used for receiving synchronously the satellite time signal and the analysis processor that the data-signal of fault locating instrument is handled.When break down in certain position of certain circuit of power distribution network; The fault point can produce one group of false voltage current traveling wave signal and propagate to the circuit two ends; Because the data acquisition sequential of each fault locating instrument is synchronous, the time difference of the pulse signal that therefore can receive according to each fault locating instrument calculates the particular location that the fault point takes place.In the end of each branch of circuit a fault locating instrument is installed all and just can be calculated the position of failure point on all circuits more accurately.The information of the timestamp of the fault traveling wave signal that the location processor of fault locating instrument through inside receives signal supervisory instrument is transferred to signal receiving device through wireless communication apparatus, and the fault traveling wave time of reception of each fault locating instrument that signal receiving device will receive stabs the particular location that its analysis processor of information via calculates fault point in the circuit; Last again the information of abort situation is transferred to the fault message display unit through local area network (LAN).
The utility model is suitable for 6-35kV and following high resistant or isolated neutral system, can realize short circuit and single phase ground fault location, the single-phase earth fault line selection of system and functions such as trend monitoring and high order harmonic component monitoring a little respectively are set.
Be applicable to that earth fault was judged through the maximum direction of the product term of electric current and voltage when underground cable was interval.
Be applicable to when overhead wire is interval that earth fault is combined to the phase angle that Io variable quantity and 3 is combined to Vo through 3 and judges.
Said fault locating instrument also comprises the short-distance wireless communication device, and said distribution network failure positioning monitoring system also comprises the portable terminal device that can receive abort situation information.Portable terminal device is furnished with communication interface, and directly the instruction of receiving system and abort situation information show fault message on lcd screen, and through the map guiding, directly the guiding personnel of patrolling and examining arrive the circuit fault point.
Beneficial effect: the accurate position that takes place of fault location, shortened the time that abort situation is searched greatly; The method of power supply that can recover other circuits that do not break down behind the circuit of confirming specifically to break down through the circuit that cuts off this circuit simultaneously is to reduce the loss that therefore fault causes.
Description of drawings
Fig. 1 is the schematic diagram of the utility model;
Fig. 2 is the schematic diagram of the fault locating instrument of the utility model;
Fig. 3 is the schematic diagram of the signal receiving device of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.As shown in the figure; A kind of distribution network failure positioning monitoring system is characterized in that: comprise fault locating instrument 1 through fault particular location in the travelling wave signal measurement circuitry, be used to receive receiving system 2, the fault message display unit 3 of the signal that fault locating instrument 1 sends and can receive the portable terminal device 4 of abort situation information; Said fault locating instrument 1 is installed on two ends and every circuit of every circuit in the power distribution network and installs two at least; Said signal receiving device 2 and fault message display unit 3 are connected through local area network (LAN); Said fault locating instrument 1 comprises the signal supervisory instrument 11 that is used to receive failure pulse signal, the satellite time receiving system 12 that is used for receiving synchronously the satellite time signal, wireless communication apparatus 13, collect various types of signal and carry out the location processor 14 and the short-distance wireless communication device 15 of data processing; Said signal receiving device 2 comprises satellite time receiving system 12, wireless communication apparatus 13 that is used for receiving synchronously the satellite time signal and the analysis processor 21 that the data-signal of fault locating instrument 1 is handled.
When break down in certain position of certain circuit of power distribution network; The fault point can produce one group of false voltage current traveling wave signal and propagate to the circuit two ends; Because the data acquisition sequential of each fault locating instrument 1 is synchronous, the time difference of the pulse signal that therefore can receive according to each fault locating instrument 1 calculates the particular location that the fault point takes place.In the end of each branch of circuit a fault locating instrument 1 is installed all and just can be calculated the position of failure point on all circuits more accurately.The information of the timestamp of the fault traveling wave signal that the location processor of fault locating instrument 1 through inside receives signal supervisory instrument 11 is transferred to signal receiving device 2 through wireless communication apparatus 13, and the fault traveling wave time of reception of each fault locating instrument 1 that signal receiving device 2 will receive stabs the particular location that its analysis processor 21 of information via calculates fault point in the circuit; Last again the information of abort situation is transferred to fault message display unit 3 through local area network (LAN).
Portable terminal device 4 is furnished with communication interface, and directly the instruction of receiving system and abort situation information show fault message on lcd screen, and through the map guiding, directly the guiding personnel of patrolling and examining arrive the circuit fault point.
Claims (2)
1. distribution network failure positioning monitoring system is characterized in that: comprise fault locating instrument (1) through fault particular location in the travelling wave signal measurement circuitry, be used to receive the signal receiving device (2) and the fault message display unit (3) of the signal that fault locating instrument (1) sends; Said fault locating instrument (1) is installed on two ends and each circuit of each circuit in the power distribution network and installs two at least; Said signal receiving device (2) is connected through local area network (LAN) with fault message display unit (3); Said fault locating instrument (1) comprises the signal supervisory instrument (11) that is used to receive failure pulse signal, the satellite time receiving system (12) that is used for receiving synchronously the satellite time signal, wireless communication apparatus (13) and collection various types of signal and carries out the location processor (14) of data processing; Said signal receiving device (2) comprises satellite time receiving system (12), wireless communication apparatus (13) that is used for receiving synchronously the satellite time signal and the analysis processor (21) that the data-signal of fault locating instrument (1) is handled.
2. distribution network failure positioning monitoring system according to claim 1; It is characterized in that: said fault locating instrument (1) also comprises short-distance wireless communication device (15), and said distribution network failure positioning monitoring system also comprises the portable terminal device (4) that can receive abort situation information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204342264U CN202309230U (en) | 2011-11-07 | 2011-11-07 | Fault location monitoring system for distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204342264U CN202309230U (en) | 2011-11-07 | 2011-11-07 | Fault location monitoring system for distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309230U true CN202309230U (en) | 2012-07-04 |
Family
ID=46378043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204342264U Expired - Fee Related CN202309230U (en) | 2011-11-07 | 2011-11-07 | Fault location monitoring system for distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309230U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105474023A (en) * | 2013-09-16 | 2016-04-06 | 施瓦哲工程实验有限公司 | Traveling wave validation using estimated fault location |
| CN105954651A (en) * | 2016-07-13 | 2016-09-21 | 西华大学 | FTU configuration method based on power distribution network fault locating |
-
2011
- 2011-11-07 CN CN2011204342264U patent/CN202309230U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105474023A (en) * | 2013-09-16 | 2016-04-06 | 施瓦哲工程实验有限公司 | Traveling wave validation using estimated fault location |
| CN105954651A (en) * | 2016-07-13 | 2016-09-21 | 西华大学 | FTU configuration method based on power distribution network fault locating |
| CN105954651B (en) * | 2016-07-13 | 2019-02-12 | 西华大学 | A kind of FTU configuration method based on distribution network fault location |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102386678A (en) | Fault positioning monitoring system for distribution network | |
| CN103293443B (en) | A kind of distribution network overhead line Earth design method | |
| EP2985613B1 (en) | Method and system for detecting and locating single-phase ground fault on low current grounded power-distribution network | |
| CN102937675B (en) | The method of work of Real-time Electrical Distribution Network Data collection and fault location system | |
| CN203350392U (en) | Fault locating system for high tension transmission line | |
| CN102590700A (en) | Method and device for quickly locating faults of overhead line on basis of time synchronization | |
| CN108303614B (en) | 10kV cable network low-current grounding system fault positioning system and method | |
| CN104535895B (en) | The method of cable overhead line hybrid line fault section positioning based on synchronized sampling | |
| CN109709439A (en) | A kind of mixed line fault localization method based on joint acquisition unit | |
| CN105467277A (en) | Power distribution network mixed fault range finding method and device based on PMUs | |
| CN114675134A (en) | Power distribution network fault positioning method and system based on traveling wave space-time matrix | |
| CN102540009A (en) | Fault locating system of power distribution network | |
| CN106026053A (en) | Single phase earth fault positioning and isolating system and method based on low-excitation impedance transformer | |
| CN102735988B (en) | One-phase earthing failure in electric distribution network localization method | |
| CN105467274A (en) | Device for fault detection and positioning of single-phase grounding of power distribution network | |
| CN209387791U (en) | Ring network cabinet line fault Position monitoring devices | |
| CN202309230U (en) | Fault location monitoring system for distribution network | |
| CN106680668A (en) | Power distribution network single-phase earth fault on-line monitoring and positioning system | |
| CN103884959A (en) | Power supply line fault locating instrument and fault locating method | |
| CN202025062U (en) | Small neutral earthed system fault locating device based on 3G (The 3rd Generation Telecommunication) communication network | |
| CN203825142U (en) | Power supply line fault locating instrument | |
| CN204631189U (en) | Realize the device of distribution line failure travelling wave ranging high reliability | |
| CN101359823A (en) | One-phase grounding hierarchical or integral wire-selective device for high-voltage grid | |
| KR100547967B1 (en) | Fault Locating System of Lightning for Overhead Transmission Line | |
| CN102231571A (en) | Ground wire on-line monitor system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENJIANG HAIBEI INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHENJIANG TAILIFENG ELECTRONICS CO., LTD. Effective date: 20131016 Owner name: ZHENJIANG TAILIFENG ELECTRONICS CO., LTD. Effective date: 20131016 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131016 Address after: 212021, Runzhou District Zhenjiang city of Jiangsu Province Economic Development Zone private run Hing Road on the west side (Zhenjiang Runzhou High-tech Venture Service Center) Patentee after: Zhenjiang Haibei Information Technology Co.,Ltd. Patentee after: Zhenjiang Tailifeng Electronics Co.,Ltd. Address before: 212021 No. 16, Xing Xing Road, Private Development Zone, Jiangsu, Zhenjiang Patentee before: Zhenjiang Tailifeng Electronics Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20171107 |