CN105242178A - On-line low-voltage distribution line monitoring system - Google Patents

On-line low-voltage distribution line monitoring system Download PDF

Info

Publication number
CN105242178A
CN105242178A CN201510709497.9A CN201510709497A CN105242178A CN 105242178 A CN105242178 A CN 105242178A CN 201510709497 A CN201510709497 A CN 201510709497A CN 105242178 A CN105242178 A CN 105242178A
Authority
CN
China
Prior art keywords
line
voltage
communication module
low
intelligent
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
Application number
CN201510709497.9A
Other languages
Chinese (zh)
Inventor
张模成
胡兆宏
陈世忠
高泽民
李阁华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Kaiqi Power Industry Co Ltd
Original Assignee
Henan Kaiqi Power Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Kaiqi Power Industry Co Ltd filed Critical Henan Kaiqi Power Industry Co Ltd
Priority to CN201510709497.9A priority Critical patent/CN105242178A/en
Publication of CN105242178A publication Critical patent/CN105242178A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52Outage or fault management, e.g. fault detection or location

Abstract

The invention provides an on-line low-voltage distribution line monitoring system which comprises an intelligent line fault acquisition terminal, a communication base station and a work station. The intelligent line fault acquisition terminal is connected with the communication base station through a GPRS communication module; and the work station is provided with a communication module and is connected with the communication base station. The on-line low-voltage distribution line monitoring system has the advantages of being capable of realizing real-time monitoring and being capable of realizing fault positioning quickly.

Description

Low-voltage distributing line on-line monitoring system
Technical field
The present invention relates to a kind of distribution line real-time monitoring system, relate to a kind of low-voltage distributing line on-line monitoring system specifically.
Background technology
Low-voltage distribution network circuit belongs to the end of electric power system, and line short, earth fault frequently occur, and because fault-signal itself is more weak, signal not easily obtains, and searching of trouble spot becomes very difficult.And at present power supply, to department's searching for line fault, or relies on manual segmentation to operate a switch the way of searching, investigation work is wasted time and energy, and fault can not realize the fast finding of fault thus keep in repair after occurring, and work efficiency is lower, and working strength is large.
In order to solve the problem, seeking one can on-line monitoring, and can judge the real-time monitoring system in the low-voltage distributing line of phenomenon of the failure and abort situation, and people are seeking a kind of desirable technical solution always.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of Real-Time Monitoring and the low-voltage distributing line on-line monitoring system of localization of fault can be realized fast.
To achieve these goals, the technical solution adopted in the present invention is: a kind of low-voltage distributing line on-line monitoring system, comprises intelligent line fault acquiring terminal and workstation;
Wherein, described intelligent line fault acquiring terminal is arranged on the leading-out terminal of substation transformer and low pressure branched line junction to form the acquisition circuit of voltage, current data;
Described intelligent line fault acquiring terminal comprises voltage sensor, current sensor, data collection processor and GPRS communication module, described intelligent line fault acquiring terminal is by the real-time voltage of detection and current variation value, after described data collection processor converts, be connected with described workstation by described GPRS communication module, complete uploading and returning of data communication;
Described workstation is provided with communication module and GIS geography in formation software, described GIS geography in formation software is used for the concrete location of trouble spot, described workstation is connected with described GPRS communication module by described communication module, forms two-way communication circuit, completes reception and the transmission of data.
Based on above-mentioned, described intelligent line fault acquiring terminal also includes GPS locating module.
Based on above-mentioned, between described communication module and described GPRS communication module, be provided with communication base station.
Based on above-mentioned, described communication base station is the communication base station that can provide Network communication service.
Based on above-mentioned, described voltage sensor is precision voltage sensor, and described current sensor is precision current sensor.
Hinge structure of the present invention has outstanding substantive distinguishing features and significant progress, specifically, acquisition terminal of the present invention is provided with GPRS communication module, has real-time, the data cases of each check point circuit can be checked at any time, carry out analyzing and processing by intelligent line fault acquiring terminal; Furtherly, the present invention is provided with GIS geography in formation software, can accurate fault point, fast and reliable.This low-voltage distributing line on-line monitoring system has Real-Time Monitoring and can realize the advantage of localization of fault fast.
Accompanying drawing explanation
Fig. 1 is control principle block diagram of the present invention.
Fig. 2 is the distribution schematic diagram of intelligent line fault acquiring terminal on circuit network.
In figure, 1. voltage sensor, 2. voltage sensor, 3.GPRS communication module, 4. substation transformer.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
As shown in Figure 1 and Figure 2, a kind of low-voltage distributing line on-line monitoring system, comprises intelligent line fault acquiring terminal and workstation.
Wherein, described intelligent line fault acquiring terminal is arranged on the leading-out terminal of substation transformer and low pressure branched line junction to form the acquisition circuit of voltage, current data; Whether described intelligent line fault acquiring terminal is arranged on substation transformer 4 output terminal, caused for failure judgement by transformer itself or basic routing line; Described intelligent line fault acquiring terminal is arranged on low pressure branched line junction, for judging the trouble spot of branched line; Whether described intelligent line fault acquiring terminal is arranged on cable and pole line junction, for failure judgement point at cable branch place.
Described intelligent line fault acquiring terminal comprises voltage sensor 1, current sensor 2, data collection processor and GPRS communication module 3, described intelligent line fault acquiring terminal is by the real-time voltage of detection and current variation value, after described data collection processor converts, be connected with described workstation by described GPRS communication module 3, complete uploading and returning of data communication, due to described GPRS communication module 3, there is real-time and forever linearly, the data cases of each check point circuit can be checked at any time.
Described workstation is provided with communication module and GIS geography in formation software, described GIS geography in formation software is used for the concrete location of trouble spot, described workstation is connected with described GPRS by described communication module, forms both-way communication networking, completes reception and the transmission of data.
When circuit is short-circuited fault, then the loop current sudden change of detected circuit increases, current sensor 1 detects abnormal signal, through intelligent line fault acquiring terminal, data are uploaded to workstation both power supply station backstages by GPRS network, on GIS geography in formation software (Geographic Information System), alarm set point is there is after workstation process, circuit then trips, power supply station staff catches up with rapidly to flutter according to the geographic position of the prompting of GIS geography in formation software and carries out field accident process, restore electricity, the process of other failure conditions is not repeating.
In order to accurate fault point, described intelligent line fault acquiring terminal also includes GPS locating module, described GPS locating module is combined with described GIS geography in formation software and the environmental aspect of the geographic position of trouble spot and periphery can be shown accurately, contributes to staff's handling failure.
Be provided with communication base station between described communication module and described GPRS communication module 3, prevent communication signal from weakening, the UNICOM between described communication module and described GPRS communication module is more smooth and easy.Described communication base station is the communication base station that can provide Network communication service, can the alerting signal sent from described intelligent trouble sense terminals and the parameters of electric power such as required voltage, electric current with short message mode transmission, more intelligent.
Described voltage sensor 1 is that precision voltage sensor can the faint change in voltage of perception, obtains voltage signal; Described current sensor 2 is that precision current sensor can the faint curent change of perception, obtains signal.This set makes this low-voltage distributing line on-line monitoring system be quick on the draw, and reduces the failure rate of distribution line.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.

Claims (5)

1. a low-voltage distributing line on-line monitoring system, is characterized in that: it comprises intelligent line fault acquiring terminal and workstation;
Wherein, described intelligent line fault acquiring terminal is arranged on the leading-out terminal of substation transformer and low pressure branched line junction to form the acquisition circuit of voltage, current data;
Described intelligent line fault acquiring terminal comprises voltage sensor, current sensor, data collection processor and GPRS communication module, described intelligent line fault acquiring terminal is by the real-time voltage of detection and current variation value, after described data collection processor converts, be connected with described workstation by described GPRS communication module, complete uploading and returning of data communication;
Described workstation is provided with communication module and GIS geography in formation software, described GIS geography in formation software is used for the concrete location of trouble spot, described workstation is connected with described GPRS communication module by described communication module, forms two-way communication circuit, completes reception and the transmission of data.
2. low-voltage distributing line on-line monitoring system according to claim 1, is characterized in that: described intelligent line fault acquiring terminal also includes GPS locating module.
3. low-voltage distributing line on-line monitoring system according to claim 1 and 2, is characterized in that: be provided with communication base station between described communication module and described GPRS communication module.
4. low-voltage distributing line on-line monitoring system according to claim 3, is characterized in that: described communication base station is the communication base station that can provide Network communication service.
5. low-voltage distributing line on-line monitoring system according to claim 4, is characterized in that: described voltage sensor is precision voltage sensor, described current sensor is precision current sensor.
CN201510709497.9A 2015-10-28 2015-10-28 On-line low-voltage distribution line monitoring system Pending CN105242178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510709497.9A CN105242178A (en) 2015-10-28 2015-10-28 On-line low-voltage distribution line monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510709497.9A CN105242178A (en) 2015-10-28 2015-10-28 On-line low-voltage distribution line monitoring system

Publications (1)

Publication Number Publication Date
CN105242178A true CN105242178A (en) 2016-01-13

Family

ID=55039889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510709497.9A Pending CN105242178A (en) 2015-10-28 2015-10-28 On-line low-voltage distribution line monitoring system

Country Status (1)

Country Link
CN (1) CN105242178A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106980933A (en) * 2017-03-24 2017-07-25 国家电网公司 A kind of power system hidden danger and trip risk analysis system
CN107037320A (en) * 2017-03-24 2017-08-11 合肥羿振电力设备有限公司 A kind of monitoring system of low-voltage distributing line
CN107271844A (en) * 2017-06-20 2017-10-20 合肥博之泰电子科技有限公司 A kind of intelligent light current line-monitoring system
CN110703658A (en) * 2019-10-28 2020-01-17 深圳供电局有限公司 Virtual power plant remote monitoring system
CN110837026A (en) * 2019-11-19 2020-02-25 深圳供电局有限公司 Power distribution network fault detection device, system and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009186335A (en) * 2008-02-06 2009-08-20 Chubu Electric Power Co Inc Power cable deterioration diagnosing method and its device
CN202870234U (en) * 2012-11-12 2013-04-10 河南开启电力实业有限公司 Online fault monitoring system for 10KV circuit
CN103389441A (en) * 2013-07-31 2013-11-13 胡波 Fault detection and positioning system for power line
CN103593883A (en) * 2013-11-26 2014-02-19 中安消技术有限公司 On-line GPS (Global Positioning System) night-patrol positioning system
US20150180538A1 (en) * 2013-12-23 2015-06-25 Duke Energy Corporation Communication nodes and sensor devices configured to use power line communication signals, and related methods of operation
CN205246805U (en) * 2015-10-28 2016-05-18 河南开启电力实业有限公司 Low pressure distribution lines on -line monitoring system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009186335A (en) * 2008-02-06 2009-08-20 Chubu Electric Power Co Inc Power cable deterioration diagnosing method and its device
CN202870234U (en) * 2012-11-12 2013-04-10 河南开启电力实业有限公司 Online fault monitoring system for 10KV circuit
CN103389441A (en) * 2013-07-31 2013-11-13 胡波 Fault detection and positioning system for power line
CN103593883A (en) * 2013-11-26 2014-02-19 中安消技术有限公司 On-line GPS (Global Positioning System) night-patrol positioning system
US20150180538A1 (en) * 2013-12-23 2015-06-25 Duke Energy Corporation Communication nodes and sensor devices configured to use power line communication signals, and related methods of operation
CN205246805U (en) * 2015-10-28 2016-05-18 河南开启电力实业有限公司 Low pressure distribution lines on -line monitoring system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106980933A (en) * 2017-03-24 2017-07-25 国家电网公司 A kind of power system hidden danger and trip risk analysis system
CN107037320A (en) * 2017-03-24 2017-08-11 合肥羿振电力设备有限公司 A kind of monitoring system of low-voltage distributing line
CN107271844A (en) * 2017-06-20 2017-10-20 合肥博之泰电子科技有限公司 A kind of intelligent light current line-monitoring system
CN110703658A (en) * 2019-10-28 2020-01-17 深圳供电局有限公司 Virtual power plant remote monitoring system
CN110837026A (en) * 2019-11-19 2020-02-25 深圳供电局有限公司 Power distribution network fault detection device, system and method

Similar Documents

Publication Publication Date Title
CN105242178A (en) On-line low-voltage distribution line monitoring system
CN204129120U (en) A kind of lightning monitoring system
CN104459464A (en) Power transmission line fault point positioning system and method
CN202870234U (en) Online fault monitoring system for 10KV circuit
CN102116823A (en) System for automatically judging and positioning faults of automatic blocking and continuous railway power lines in railway distribution network
CN204578217U (en) Distribution equipment malfunction monitoring system in a kind of distribution network
CN205246805U (en) Low pressure distribution lines on -line monitoring system
CN103323746B (en) Distribution network overhead line localization of fault on-line monitoring system
CN206515424U (en) Novel electric power fault location system
CN202057756U (en) Distribution network fault locating system based on fault indicator
CN203479952U (en) Cable type fault detector
CN104808113A (en) Intelligent distribution line fault point location method
CN202631677U (en) Electrical network fault locating system
CN202025060U (en) Automatic fault determining and positioning system of railway distribution network automatic blocking and continuous transmission lines
CN204631189U (en) Realize the device of distribution line failure travelling wave ranging high reliability
CN103915900A (en) Rail transit power monitoring direct current load monitoring method
CN204390415U (en) Overhead transmission line protection against electric shock warning system
CN103308820A (en) Power grid fault positioning system
CN203798960U (en) Overhead line remote transmission communication monitoring system
CN104880646A (en) Cable fault detector
CN105004945A (en) Power distribution network overhead line accurate load distribution on-line monitoring method and system
CN203204157U (en) Distribution network fault emergency repair positioning system of electrical power system
CN205724644U (en) Transmission line of electricity emergency first-aid repair dispatching patcher
CN205210233U (en) Distribution network phase to earth fault detects and positioner
CN104101814A (en) Line fault accurate location method based on distribution automation system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160113