CN102998596A - System for detecting faults of overhead line and detection method thereof - Google Patents
System for detecting faults of overhead line and detection method thereof Download PDFInfo
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- CN102998596A CN102998596A CN2012105569664A CN201210556966A CN102998596A CN 102998596 A CN102998596 A CN 102998596A CN 2012105569664 A CN2012105569664 A CN 2012105569664A CN 201210556966 A CN201210556966 A CN 201210556966A CN 102998596 A CN102998596 A CN 102998596A
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Abstract
The invention discloses a system for detecting faults of an overhead line and a detection method thereof. The system comprises a fault indicator, wherein the fault indicator is connected with a communication host machine, and the communication host machine is connected with signals of a monitoring center. By the aid of the system and the method, positions of faults of the line can be determined quickly and correctly according to current characteristic signals and variable quantities of voltage to earth, the power supply efficiency is effectively improved, the outage emergency maintenance time is greatly shortened, and the normal power supply of users can be guaranteed.
Description
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Technical field
The present invention relates to a kind of overhead transmission line fault detection system and detection method thereof.
Background technology
Power distribution network very easily is subjected to the reasons such as external force and natural environment influence because of its complex structure, often break down, and short circuit and single-phase earthing is modal fault.If the mode looking up the fault point by artificial inspection then can spend the plenty of time, thereby enlarged the loss that has a power failure and cause.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of overhead transmission line fault detection system and detection method thereof, according to the variable quantity of current characteristic signal and voltage-to-ground can be fast correct alignment road abort situation really, Effective Raise power supplying efficiency, thereby greatly shorten the normal power supply that the power failure repairing time guarantees the user.
The present invention is the purpose that reaches above-mentioned, and the present invention adopts following technical scheme:
A kind of overhead transmission line fault detection system comprises fault detector, and described fault detector links to each other with host computer communication; Described host computer communication is connected with the Surveillance center signal.
Described fault detector is comprised of current detecting unit, voltage-to-ground detecting unit, controller and host communication unit; Wherein said controller is connected with current detecting unit, voltage-to-ground detecting unit, host communication cell signal respectively; Described host communication unit is connected with the host computer communication signal.
Described fault detector and host computer communication adopt a kind of in being connected of connection or signal, and wherein said connection is the light network connection; Described signal is connected to that the internet connects or general packet radio service connects or a kind of in connecting of 3G (Third Generation) Moblie technology.
Horizontal range between described fault detector and the host computer communication is 0-15m, and vertical range is 0-5m.
A kind of overhead transmission line fault detection system and detection method thereof comprise the steps:
1) at first at the 10kv overhead transmission line fault detector is installed, then at cement pole host computer communication is installed;
2) begin after described step 1) installs to detect, when if electric wire breaks down, after being installed in current detecting unit in the fault detector on the electric wire and voltage-to-ground detecting unit and collecting fault-signal, current detecting unit and voltage-to-ground detecting unit are transported to controller with fault-signal, controller is transported to host computer communication with fault-signal by the host communication unit, and host computer communication is transported to Surveillance center with failure message;
3) after Surveillance center receives failure message, analyze for the signal of each host computer communication feedback of circuit, find line fault point and the repairing of in time sending someone.
Beneficial effect of the present invention is: the invention provides a kind of overhead transmission line fault detection system and detection method thereof, according to the variable quantity of current characteristic signal and voltage-to-ground can be fast correct alignment road abort situation really, Effective Raise power supplying efficiency, thereby greatly shorten the normal power supply that the power failure repairing time guarantees the user.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structure for amplifying synoptic diagram of fault detector among Fig. 1;
Fig. 3 is scheme of installation of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, present embodiment provides a kind of overhead transmission line fault detection system, comprises fault detector 1, and described fault detector 1 links to each other with host computer communication 2; Described host computer communication 2 is connected with Surveillance center 3 signals.Described fault detector 1 is comprised of current detecting unit 4, voltage-to-ground detecting unit 5, controller 6 and host communication unit 7; Wherein said controller 6 is connected with current detecting unit 4, voltage-to-ground detecting unit 5, host communication unit 7 signals respectively.Described fault detector 1 adopts connection or signal to be connected with host computer communication 2, and wherein said connection is the light network connection; Described signal is connected to the internet connection or general packet radio service connects or the 3G (Third Generation) Moblie technology connects.
Horizontal range between described fault detector 1 and the host computer communication 2 is 12m, and vertical range is 4m.
Present embodiment provides a kind of detection method of overhead transmission line fault detection system as shown in Figure 3, comprise the steps: first, fault detector 1 at first is installed respectively on 10kv overhead transmission line backbone and branch line, a fault detector 1 all is installed on every wire, and same as 2 the certain distances in fault detector 1 interval that link to each other on the electric wire, then near the cement pole fault detector 1 is installed host computer communication 2,3 fault detectors, 1 corresponding same host computer communication 2 on the different electric wires in same place, and form a test set.Second, after installing, described step 1) begins to detect, when if electric wire 11 breaks down, the current detecting unit 4 and the voltage-to-ground detecting unit 5 that are installed in the fault detector 1 on the electric wire 11 detect according to the current characteristic signal on the electric wire and voltage-to-ground value, and then current detecting unit 4 and voltage-to-ground detecting unit 5 will collect fault-signal and be transported to controller 6.Controller 6 is transported to host computer communication 2 with fault-signal by host communication unit 7.All earth fault can be detected along electric wire 11 to the current power direction to the branch line on the reverse direction and the monitoring group 8 on the backbone, monitoring group 9, and earth fault can be do not detected on the monitoring group 10.Monitoring group 8, monitoring group 9 are transported to Surveillance center 3 by host computer communication 2 with failure message.The 3rd, when Surveillance center (3) receives the failure message that monitoring group 8, monitoring group 9 are sent, monitoring group 10 does not detect fault, just can confirm fast that according to the variable quantity of current characteristic signal and voltage-to-ground the trouble spot just occurs between monitoring group 9 and the monitoring group 10, thereby can in time send someone repairing.
A kind of overhead transmission line fault detection system and the detection method thereof of present embodiment manufacturing, according to the variable quantity of current characteristic signal and voltage-to-ground can be fast correct alignment road abort situation really, Effective Raise power supplying efficiency, thereby greatly shorten the normal power supply that the power failure repairing time guarantees the user.
Claims (5)
1. overhead transmission line fault detection system, it is characterized in that: comprise fault detector (1), described fault detector (1) links to each other with host computer communication (2); Described host computer communication (2) is connected with Surveillance center (3) signal.
2. a kind of overhead transmission line fault detection system according to claim 1 is characterized in that: described fault detector (1) is comprised of current detecting unit (4), voltage-to-ground detecting unit (5), controller (6) and host communication unit (7); Wherein said controller (6) is connected with current detecting unit (4), voltage-to-ground detecting unit (5), host communication unit (7) signal respectively; Described host communication unit (7) is connected with host computer communication (2) signal.
3. a kind of overhead transmission line fault detection system according to claim 1 is characterized in that: described fault detector (1) and host computer communication (2) adopt a kind of in being connected of connection or signal, and wherein said connection is the light network connection; Described signal is connected to that the internet connects or general packet radio service connects or a kind of in connecting of 3G (Third Generation) Moblie technology.
4. a kind of overhead transmission line fault detection system according to claim 1, it is characterized in that: the horizontal range between described fault detector (1) and the host computer communication (2) is 0-15m, and vertical range is 0-5m.
5. a kind of overhead transmission line fault detection system according to claim 1 and detection method thereof is characterized in that comprising the steps: at first at the 10kv overhead transmission line fault detector (1) being installed, and then at cement pole host computer communication (2) are installed;
After installing, described step 1) begins to detect, when if electric wire breaks down, after being installed in current detecting unit (4) in the fault detector on the electric wire (1) and voltage-to-ground detecting unit (5) and collecting fault-signal, current detecting unit (4) and voltage-to-ground detecting unit (5) are transported to controller (6) with fault-signal, controller (6) is transported to host computer communication (2) with fault-signal by host communication unit (7), and host computer communication (2) is transported to Surveillance center (3) with failure message;
After Surveillance center (3) receives failure message, analyze for the signal of each host computer communication of circuit (2) feedback, find line fault point and the repairing of in time sending someone.
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| CN2012105569664A CN102998596A (en) | 2012-12-20 | 2012-12-20 | System for detecting faults of overhead line and detection method thereof |
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| CN2012105569664A CN102998596A (en) | 2012-12-20 | 2012-12-20 | System for detecting faults of overhead line and detection method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278738A (en) * | 2013-04-26 | 2013-09-04 | 黄宪东 | Intelligent overhead line fault indicator with locking function |
| CN103424666A (en) * | 2013-07-18 | 2013-12-04 | 广东电网公司电力科学研究院 | Overhead line fault indicator with voltage detection function |
| CN105785213A (en) * | 2016-03-10 | 2016-07-20 | 北京国城科绿色照明科技研究中心有限公司 | Detection system and detection method for electric leakage point of main circuit of streetlight |
| CN106501671A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring method of electric distribution network overhead wire failure |
| CN106501656A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of on-line acquisition system of distribution line failure waveform |
| CN106501657A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring system of electric distribution network overhead wire failure |
| CN106556766A (en) * | 2016-10-11 | 2017-04-05 | 国网上海市电力公司 | A kind of distribution network failure monitoring system based on distribution line multidate information |
| CN106556754A (en) * | 2016-10-12 | 2017-04-05 | 国网上海市电力公司 | A kind of online acquisition method of distribution line failure waveform |
| CN106569089A (en) * | 2016-10-11 | 2017-04-19 | 国网上海市电力公司 | Power distribution line dynamic Information-based power distribution network fault monitoring method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278738A (en) * | 2013-04-26 | 2013-09-04 | 黄宪东 | Intelligent overhead line fault indicator with locking function |
| CN103424666A (en) * | 2013-07-18 | 2013-12-04 | 广东电网公司电力科学研究院 | Overhead line fault indicator with voltage detection function |
| CN103424666B (en) * | 2013-07-18 | 2016-05-11 | 广东电网公司电力科学研究院 | A kind of fault indicator for overhead lines with voltage detecting function |
| CN105785213A (en) * | 2016-03-10 | 2016-07-20 | 北京国城科绿色照明科技研究中心有限公司 | Detection system and detection method for electric leakage point of main circuit of streetlight |
| CN106556766A (en) * | 2016-10-11 | 2017-04-05 | 国网上海市电力公司 | A kind of distribution network failure monitoring system based on distribution line multidate information |
| CN106569089A (en) * | 2016-10-11 | 2017-04-19 | 国网上海市电力公司 | Power distribution line dynamic Information-based power distribution network fault monitoring method |
| CN106501671A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring method of electric distribution network overhead wire failure |
| CN106501656A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of on-line acquisition system of distribution line failure waveform |
| CN106501657A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring system of electric distribution network overhead wire failure |
| CN106556754A (en) * | 2016-10-12 | 2017-04-05 | 国网上海市电力公司 | A kind of online acquisition method of distribution line failure waveform |
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Application publication date: 20130327 |