CN106646116A - Trouble shooting and locating method for power distribution network - Google Patents
Trouble shooting and locating method for power distribution network Download PDFInfo
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- CN106646116A CN106646116A CN201611009072.8A CN201611009072A CN106646116A CN 106646116 A CN106646116 A CN 106646116A CN 201611009072 A CN201611009072 A CN 201611009072A CN 106646116 A CN106646116 A CN 106646116A
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a trouble shooting and locating method for a power distribution network. The method includes steps of 1, current information is obtained and sent to an information collecting unit; the information collecting unit collects preset current data information of a power distribution terminal and sends the data information together with the collected current information to a data analyzing unit; 3, the data analyzing unit compares the collected data and obtains a data level corresponding to optical signals; 4, a fault locating module collects a fault level and fault analysis information after judgment and performs analysis and locating according to the received data information and displays the information after locating through a fault display unit; 5, when the fault level surpasses a preset range or the fault locating module cannot locate the fault, an alarm device sends out an alarm. The method provided by the invention can be used for locating fault reasons and fault locations accurately, time of power interruption for maintenance is reduced, equipment utilization rate and operation reliability are improved and maintenance cost is reduced at the same time.
Description
Technical field
The present invention relates to electric power network technique field, and in particular to a kind of distribution network failure Search and Orientation method.
Background technology
China's power distribution network has the spies such as line construction is complicated, the various changeable, faults frequent of environment is complicated, maintenance workload is big
Levy.A certain section of distribution line breaks down, and needs investigation failure paragraph by paragraph that position occurs, and not only working strength is big, but also can prolong
By mistake emergency repair time, affects power supply reliability, and in actual use, line voltage is to household electrical appliance, industrial automation equipment, medical
The normal use of the electric network terminal equipment such as instrument and meter and service life have a very big impact.At present, the fluctuation of line voltage
Larger, especially in rural area, the fluctuation of line voltage is bigger；Too high line voltage often shortens making for electric network terminal equipment
With the life-span, even burn can electric network terminal equipment sometimes；And too low line voltage is then likely to result in electric network terminal
Equipment cisco unity malfunction.Currently used detecting system and its detection method, can only be rough detect fault coverage, and
Search and Orientation timely and effectively can not be confirmed and analyzed to failure cause and trouble point.
The content of the invention
The technical problem to be solved in the present invention is a kind of distribution network failure Search and Orientation method, and the method can be to failure
Reason and trouble point are accurately positioned, and reduce the time that maintenance has a power failure, and improve utilization rate of equipment and installations and operational reliability, while
Reduce the cost of overhaul.
To solve above-mentioned technical problem, the present invention is employed the following technical solutions：
A kind of distribution network failure Search and Orientation method, the system that the method is adopted includes current transformer, distribution terminal, photoelectricity
Converting unit, information acquisition unit, data analysis unit, fault level judging unit, fault location module, alarm device and event
Barrier display unit；The outfan Jing photoelectric conversion units of the current transformer are connected with the input of information acquisition unit, its
Outfan Jing data analysis unit is connected with the input of fault level judging unit, and its outfan is defeated with fault location module
Enter end be connected, the outfan of fault location module is connected respectively with alarm device, fault display unit, the distribution terminal it is defeated
Go out end to be connected with the input of information acquisition unit, comprise the following steps：
（1）Current transformer obtains current information from electrical network, and the signal of telecommunication of acquisition is converted to into light by photoelectric conversion unit
Information acquisition unit is sent to after signal；
（2）The original of information acquisition unit collection distribution terminal sets current data information, by the data message together with the electricity for collecting
Stream information is sent collectively to data analysis unit；
（3）Data analysis unit compares the data for collecting, and obtains the data level corresponding to optical signals；
（4）Fault level and accident analysis information after the collection differentiation of fault location module, enters according to the data message for receiving
Row analyzing and positioning, and the information after positioning is shown by fault display unit；
（5）When fault level can not find abort situation beyond preset range or fault location module, then alarm device report
It is alert；
The step（5）It is further comprising the steps of：When the data that data analysis unit is collected exceed data level, then report
Alarm device is reported to the police.
The invention has the beneficial effects as follows：Present invention achieves effectively being monitored to whole station secondary device running status, have
Effect reduces artificial regular inspection project, reduces the maintenance power off time of equipment, improves reliability and work efficiency.Can accurately judge simultaneously
Whether power system breaks down or has a unusual service condition, therefore, it is possible to reliably to power system carry out relay protection.
Description of the drawings
Fig. 1 is the system block diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
As shown in figure 1, the distribution network failure Search and Orientation method of the present embodiment, including current transformer 1, distribution terminal 3,
Photoelectric conversion unit 2, information acquisition unit 4, data analysis unit 5, fault level judging unit 6, fault location module 7, report
Alarm device 8 and fault display unit 9；The outfan Jing photoelectric conversion units 2 of current transformer 1 are defeated with information acquisition unit 4
Enter end to be connected, its outfan Jing data analysis unit 5 is connected with the input of fault level judging unit 6, its outfan and former
The input of barrier locating module 7 is connected, the outfan of fault location module 7 respectively with alarm device 8, the phase of fault display unit 9
Even, the outfan of distribution terminal 3 is connected with the input of information acquisition unit 4.
The photoelectric conversion unit 2 is used to for the signal of telecommunication of acquisition to be converted to optical signal, and the optical information of the conversion is carried out
Storage and transmission.Fault location module 7 is used to detect fault-signal, and the fault-signal is carried out into statistical analysiss, determines failure
Point position, and the abort situation point is carried out into interim storage.
The method is comprised the following steps that：
S1：Current transformer 1 obtains current information from electrical network, and the signal of telecommunication of acquisition is converted to by photoelectric conversion unit 2
Information acquisition unit 4 is sent to after optical signal,
S2：The original of the collection distribution terminal of information acquisition unit 4 sets current data information, by the data message together with the electricity for collecting
Stream information is sent collectively to data analysis unit 5；
S3：Data analysis unit 5 compares the data for collecting, and finds the numerical value for being consistent therewith or being close, from
And the data level corresponding to optical signals is obtained, the data of the fault level after differentiation and malfunction analysis procedure are sent jointly to
Fault location module 7；
S4：Fault location module 7 is analyzed positioning according to the data message for receiving, and the information after positioning is passed through into failure
Display unit is shown；
S5：When fault level can not find abort situation beyond preset range or fault location module 7, alarm device report
Alert, when the data that data analysis unit is collected exceed data level, then alarm device is reported to the police, and points out the important of the failure
Property and emergency.
Present invention achieves effectively being monitored to whole station secondary device running status, artificial regular inspection project is effectively reduced,
The maintenance power off time of reduction equipment, improves reliability and work efficiency.Can accurately judge whether power system occurs event simultaneously
Barrier has a unusual service condition, therefore, it is possible to reliably to power system carry out relay protection.
Those skilled in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as within the spirit of the present invention, being made to above example
It is appropriate to change and change all to fall within the scope of protection of present invention.
Claims (2)
1. a kind of distribution network failure Search and Orientation method, the system that the method is adopted includes current transformer, distribution terminal, light
Electric converting unit, information acquisition unit, data analysis unit, fault level judging unit, fault location module, alarm device and
Fault display unit；The outfan Jing photoelectric conversion units of the current transformer are connected with the input of information acquisition unit,
Its outfan Jing data analysis unit is connected with the input of fault level judging unit, its outfan and fault location module
Input is connected, and the outfan of fault location module is connected respectively with alarm device, fault display unit, the distribution terminal
Outfan is connected with the input of information acquisition unit, it is characterised in that comprise the following steps：
（1）Current transformer obtains current information from electrical network, and the signal of telecommunication of acquisition is converted to into light by photoelectric conversion unit
Information acquisition unit is sent to after signal；
（2）The original of information acquisition unit collection distribution terminal sets current data information, by the data message together with the electricity for collecting
Stream information is sent collectively to data analysis unit；
（3）Data analysis unit compares the data for collecting, and obtains the data level corresponding to optical signals；
（4）Fault level and accident analysis information after the collection differentiation of fault location module, enters according to the data message for receiving
Row analyzing and positioning, and the information after positioning is shown by fault display unit；
（5）When fault level can not find abort situation beyond preset range or fault location module, then alarm device report
It is alert.
2. distribution network failure Search and Orientation method according to claim 1, it is characterised in that：The step（5）Also include
Following steps：When the data that data analysis unit is collected exceed data level, then alarm device is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009072.8A CN106646116A (en) | 2016-11-16 | 2016-11-16 | Trouble shooting and locating method for power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009072.8A CN106646116A (en) | 2016-11-16 | 2016-11-16 | Trouble shooting and locating method for power distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106646116A true CN106646116A (en) | 2017-05-10 |
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ID=58805549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611009072.8A Pending CN106646116A (en) | 2016-11-16 | 2016-11-16 | Trouble shooting and locating method for power distribution network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107992981A (en) * | 2017-12-22 | 2018-05-04 | 江苏新智合电力技术有限公司 | The processing feedback method and device of a kind of power failure information |
| CN109901466A (en) * | 2019-02-22 | 2019-06-18 | 山东欧德利电气设备有限公司 | A kind of controller and Chinese characters display screen integrated design technology |
| CN113109659A (en) * | 2021-03-01 | 2021-07-13 | 国网山东省电力公司昌乐县供电公司 | Distribution automation monitoring system |
| CN113466751A (en) * | 2021-06-29 | 2021-10-01 | 北京首都机场动力能源有限公司 | Device, system and fault detection instrument for searching for poor contact fault |
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| US20130054042A1 (en) * | 2011-08-29 | 2013-02-28 | General Electric Company | Power distribution network fault management |
| CN103683511A (en) * | 2013-12-23 | 2014-03-26 | 国家电网公司 | Method and system for processing fault of integrated monitoring platform based on power distribution network |
| CN105334429A (en) * | 2015-11-30 | 2016-02-17 | 国家电网公司 | Power distribution network circuit fault detecting method |
| CN105445594A (en) * | 2016-01-25 | 2016-03-30 | 国网山东省电力公司高唐县供电公司 | Power grid fault detection system |
| CN105891679A (en) * | 2016-06-13 | 2016-08-24 | 姹や寒 | Fault detection system and method for electric power grid |
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2016
- 2016-11-16 CN CN201611009072.8A patent/CN106646116A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130054042A1 (en) * | 2011-08-29 | 2013-02-28 | General Electric Company | Power distribution network fault management |
| CN103683511A (en) * | 2013-12-23 | 2014-03-26 | 国家电网公司 | Method and system for processing fault of integrated monitoring platform based on power distribution network |
| CN105334429A (en) * | 2015-11-30 | 2016-02-17 | 国家电网公司 | Power distribution network circuit fault detecting method |
| CN105445594A (en) * | 2016-01-25 | 2016-03-30 | 国网山东省电力公司高唐县供电公司 | Power grid fault detection system |
| CN105891679A (en) * | 2016-06-13 | 2016-08-24 | 姹や寒 | Fault detection system and method for electric power grid |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107992981A (en) * | 2017-12-22 | 2018-05-04 | 江苏新智合电力技术有限公司 | The processing feedback method and device of a kind of power failure information |
| CN109901466A (en) * | 2019-02-22 | 2019-06-18 | 山东欧德利电气设备有限公司 | A kind of controller and Chinese characters display screen integrated design technology |
| CN113109659A (en) * | 2021-03-01 | 2021-07-13 | 国网山东省电力公司昌乐县供电公司 | Distribution automation monitoring system |
| CN113466751A (en) * | 2021-06-29 | 2021-10-01 | 北京首都机场动力能源有限公司 | Device, system and fault detection instrument for searching for poor contact fault |
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Application publication date: 20170510 |
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