CN108683175A - A method of 10 KV line public affairs distribution transformings of judgement have a power failure - Google Patents
A method of 10 KV line public affairs distribution transformings of judgement have a power failure Download PDFInfo
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- CN108683175A CN108683175A CN201810360845.XA CN201810360845A CN108683175A CN 108683175 A CN108683175 A CN 108683175A CN 201810360845 A CN201810360845 A CN 201810360845A CN 108683175 A CN108683175 A CN 108683175A
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- power failure
- distribution transforming
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
To solve to take time and effort when public distribution transforming power-off event in 10 KV line of manual analysis in the prior art, the technical issues of inefficiency, the present invention provides a kind of method judging that 10 KV line public affairs distribution transformings have a power failure using management system.Include the following steps：S1：Obtain power off time and the telegram in reply time of public distribution transforming acquisition terminal record；S2：Obtain the public distribution transforming outlet side critical point meter voltage missing time started and voltage missing end time；S3：When judging that the power off time of the acquisition terminal record is matched with the critical point meter voltage missing time started and when the telegram in reply time of acquisition terminal record is matched with the critical point meter voltage missing end time, judge that the public distribution transforming has a power failure.Compared with prior art, the present invention improves efficiency, has saved resource.
Description
Technical field
The present invention relates to the sides that electrical network analysis technical field more particularly to a kind of 10 KV line public affairs distribution transformings of judgement have a power failure
Method.
Background technology
As company's power system monitor is information-based, the continuous development of automatic technology, have dispatching automation, distribution automation
System realizes the grid operating monitoring function to emphasis urban area, but for the not covered outskirts of a town of distribution automation, township
Town and the vast rural areas, more public distribution transformers in 10 KV line, i.e., public distribution transforming power-off fault still will pass through
After user's repair call feedback, can just repair personnel be sent to handle, it is difficult to prejudge whether public distribution transforming is susceptible to event
Barrier provides data support and direction for maintenance in advance, or can manually carry out the note to existing power grid by tools such as Excel
Record data are analyzed, but will expend huge manpower and time, and inefficiency.Therefore, there is an urgent need for a management systems to use certainly
Dynamic method come realize 10 KV line public affairs distribution transformings have a power failure judgement.
Invention content
To be taken time and effort when solving public distribution transforming power-off event in 10 KV line of manual analysis in the prior art, inefficiency
The technical issues of, the present invention provides a kind of method judging that 10 KV line public affairs distribution transformings have a power failure using management system.
In order to solve the above technical problems, the present invention provides a kind of judgement method that 10 KV line public affairs distribution transformings have a power failure, including
Following steps：
S1：Management system calls power information acquisition system to obtain power off time and telegram in reply that public distribution transforming acquisition terminal records
Time；
S2：Management system is called power information acquisition system to obtain the public distribution transforming outlet side critical point meter voltage missing and is opened
Begin time and voltage missing end time；
S3：Management system judge the power off time of the acquisition terminal and critical point meter voltage missing time started whether
Match and whether the telegram in reply time of acquisition terminal matches with the critical point meter voltage missing end time, is judging the acquisition eventually
The power off time at end and critical point meter voltage the missing time started match and the telegram in reply time of acquisition terminal and critical point meter it is electric
When the matching of pressure missing end time, judge that the public distribution transforming has a power failure.
Management system analyzes the power failure of public distribution transforming by the data for calling power information acquisition system to be acquired,
Since electric network data is huge, compared with the technology by manually being analyzed, the present invention can improve efficiency, economize on resources.
In existing grid information system, production management system is equipment O＆M lean management system, by transferring the system
Data, obtain the unique encodings information provisioned in the quantity information, location information of public distribution transforming and each public distribution transforming on circuit；
Power information acquisition system, when by the power off time and telegram in reply of the public distribution transforming of acquisition terminal record mounted on public distribution transforming outlet side
Between, and the public distribution transforming of critical point meter record mounted on public distribution transforming outlet side output voltage values.
When public distribution transforming has a power failure, the acquisition terminal of outlet side installation is less than rated voltage 60% in three-phase input voltage
And when continuing one minute, power-off event and power off time are recorded, restores in acquisition terminal input voltage, is higher than rated voltage 80%
When, record telegram in reply event and telegram in reply time.Meanwhile the critical point meter of public distribution transforming outlet side installation, when public distribution transforming has a power failure, every 15
Minute is null value to the acquisition of three-phase voltage, i.e. voltage missing time.The acquisition terminal of public distribution transforming outlet side and critical point meter institute
The data of record, are uploaded to power information acquisition system automatically；The acquisition terminal of public distribution transforming outlet side installation, may be due to battery
The influence of the factors such as aging, external disturbance, equipment quality, has a power failure and telegram in reply logout has inaccurate, incomplete phenomenon,
By field test, percentage of head rice can reach 70%；The critical point meter of public distribution transforming outlet side installation, the acquisition of voltage data
There is also acquisition failure, the shortage of data of transmission communication abnormality, and by field test, accuracy rate can reach 98%.Acquisition
Terminal and Source of Gateway Meter are counted as two independent equipment, by judging that the power off time of acquisition terminal record is recorded with critical point meter
The voltage missing time started whether match, and judge the voltage that the telegram in reply time of acquisition terminal record records with critical point meter
Whether the missing end time matches, and can fall the insincere data filtering of exception that acquisition terminal and critical point meter record, improve
The accuracy of judgement.
Power off time about acquisition terminal record lacks the matching of time started with critical point meter voltage, and management system is logical
Whether the difference for spending power off time and critical point meter voltage missing time started for judging acquisition terminal record is sentenced in 5 minutes
It is fixed, when judging that the power off time of acquisition terminal record lacks the difference of time started in 5 minutes with critical point meter voltage, i.e.,
The power off time of judgement acquisition terminal record matches with the critical point meter voltage missing time started；
The telegram in reply time about acquisition terminal record lacks the matching of end time with critical point meter voltage, and management system is logical
Whether the difference for spending telegram in reply time and critical point meter voltage missing end time for judging acquisition terminal record is sentenced in 5 minutes
It is fixed, when judging that the telegram in reply time of acquisition terminal record lacks the difference of end time in 5 minutes with critical point meter voltage, i.e.,
The telegram in reply time of judgement acquisition terminal record matches with the critical point meter voltage missing end time.
Preferably, when the public distribution transforming of management system judgement has a power failure, power-off event is generated, power failure duration is recorded；In measurement period,
When management system judges that the public distribution transforming power failure duration is more than that 2 hours power-off events are more than or equal to 3 times, judge that the public affairs are matched
Become taiwan area frequently to have a power failure.The region that public distribute-electricity transformer district is powered by the public distribution transforming.
Management system records the content of power-off event, including：Public distribution transforming device coding, power failure duration, power off time and multiple
The electric time.Power-off event database is arranged in management system, and power-off event is recorded in power-off event database.In measurement period
Interior, the public distribution transforming to power failure, all power-off events are counted, while counting the frequency of power cut of public distribution transforming, and are recorded in and are stopped
In electric event database.
Management system judges that public distribute-electricity transformer district frequently has a power failure, can prejudge public distribution transforming by previous power failure data
Whether it is susceptible to failure, data support and direction are provided for maintenance in advance.Preferably, the measurement period is less than or equal to one
Month.
Advantageous effect of the present invention includes：
Compared with the mode of public distribution transforming power-off event in 10 KV line of manual analysis in the prior art, the present invention passes through pipe
Reason system calls power information acquisition system automatically, obtains relevant information, the automatic power failure thing for judging 10 KV line public affairs distribution transformings
Part improves efficiency, has saved resource.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, is implemented with the present invention
Example is used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings：
Fig. 1 is the method and step for judging 10 KV line public affairs distribution transformings in the present invention and having a power failure.
Specific implementation mode
Below in conjunction with the accompanying drawings, method provided by the invention is described in detail with specific embodiment.
As shown in fig.1, embodiment one provided by the invention, the method that 10 KV line public affairs distribution transformings of judgement have a power failure, including
Following steps：
S1：Management system calls power information acquisition system to obtain power off time and telegram in reply that public distribution transforming acquisition terminal records
Time；
S2：Management system is called power information acquisition system to obtain the public distribution transforming outlet side critical point meter voltage missing and is opened
Begin time and voltage missing end time；
S3：Management system judges that the power off time of acquisition terminal record and critical point meter voltage missing time started difference are
It is no in 5 minutes and whether the telegram in reply time of acquisition terminal record lacks end time difference at 5 points with critical point meter voltage
In clock, time started difference is lacked in 5 minutes in the power off time and critical point meter voltage for judging the acquisition terminal record,
And the telegram in reply time of acquisition terminal record with critical point meter voltage missing end time difference in 5 minutes when, described in judgement
Public distribution transforming has a power failure.
Another embodiment provided by the invention in one month measurement period, judges the method that public distribute-electricity transformer district frequently has a power failure,
Include the following steps：
S41：Management system calls production management system, obtains the device coding of a certain public distribution transforming in 10 KV line；
S42：In one month measurement period, management system calls power information acquisition system to judge that above-mentioned public distribution transforming is
It is no to have a power failure, when judging that above-mentioned public distribution transforming has a power failure, generate power-off event, record power off time, telegram in reply time；Management system
System is power-off event layout serial number automatically；Power-off event is recorded in power-off event database；
S42：Power off time and telegram in reply time of the management system according to each power-off event, calculate stopping for each power-off event
Electric duration, and be recorded in power-off event database；
S43：Management system calls power-off event database, judges that above-mentioned public distribution transforming power failure duration is more than power failure in 2 hours
Whether event is more than or equal to 3 times, when it is more than that 2 hours power-off events are more than or equal to 3 times to judge above-mentioned public distribution transforming power failure duration,
Judge that above-mentioned public distribute-electricity transformer district frequently has a power failure.
In conclusion compared with the mode of public distribution transforming power-off event in 10 KV line of manual analysis in the prior art, this
Invention calls power information acquisition system automatically by management system, obtains relevant information, automatic to judge that 10 KV line public affairs are matched
The power-off event of change, improves efficiency, has saved resource.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (3)
1. the method that a kind of 10 KV line public affairs distribution transformings of judgement have a power failure, which is characterized in that include the following steps：
S1：Obtain power off time and the telegram in reply time of public distribution transforming acquisition terminal record；
S2：Obtain the public distribution transforming outlet side critical point meter voltage missing time started and voltage missing end time；
S3：Judge whether the power off time of the acquisition terminal record matches with the critical point meter voltage missing time started, and
Whether the telegram in reply time of acquisition terminal record matches with the critical point meter voltage missing end time, is judging the acquisition terminal note
When the power off time of record and critical point meter voltage the missing time started matchs and telegram in reply time that acquisition terminal records and critical point
When meter voltage lacks end time matching, judge that the public distribution transforming has a power failure.
2. the method as described in claim 1, which is characterized in that when the public distribution transforming of judgement has a power failure, generate power-off event, record has a power failure
Duration；In measurement period, when judging that the public distribution transforming power failure duration is more than that 2 hours power-off events are more than or equal to 3 times, institute is judged
Public distribute-electricity transformer district is stated frequently to have a power failure.
3. method as claimed in claim 2, which is characterized in that the measurement period is less than or equal to one month.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360845.XA CN108683175A (en) | 2018-04-20 | 2018-04-20 | A method of 10 KV line public affairs distribution transformings of judgement have a power failure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360845.XA CN108683175A (en) | 2018-04-20 | 2018-04-20 | A method of 10 KV line public affairs distribution transformings of judgement have a power failure |
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| CN108683175A true CN108683175A (en) | 2018-10-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080097706A1 (en) * | 2004-06-04 | 2008-04-24 | Mccormack Michael Anthony | Method of Monitoring Line Faults in a Medium Voltage Network |
| CN103501053A (en) * | 2011-12-04 | 2014-01-08 | 江苏省电力公司南京供电公司 | Comprehensive fault handling system for power distribution and consumption network |
| CN103679556A (en) * | 2013-12-16 | 2014-03-26 | 广东电网公司佛山供电局 | System and method for intelligently diagnosing distribution transform terminal power failure warning |
| CN104410067A (en) * | 2014-11-28 | 2015-03-11 | 国家电网公司 | Zone area power failure analyzing method based on common transformer and analysis of big data acquired by users |
| CN107045088A (en) * | 2016-12-30 | 2017-08-15 | 国网天津武清供电有限公司 | A kind of supply line's power failure point determination methods |
-
2018
- 2018-04-20 CN CN201810360845.XA patent/CN108683175A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080097706A1 (en) * | 2004-06-04 | 2008-04-24 | Mccormack Michael Anthony | Method of Monitoring Line Faults in a Medium Voltage Network |
| CN103501053A (en) * | 2011-12-04 | 2014-01-08 | 江苏省电力公司南京供电公司 | Comprehensive fault handling system for power distribution and consumption network |
| CN103679556A (en) * | 2013-12-16 | 2014-03-26 | 广东电网公司佛山供电局 | System and method for intelligently diagnosing distribution transform terminal power failure warning |
| CN104410067A (en) * | 2014-11-28 | 2015-03-11 | 国家电网公司 | Zone area power failure analyzing method based on common transformer and analysis of big data acquired by users |
| CN107045088A (en) * | 2016-12-30 | 2017-08-15 | 国网天津武清供电有限公司 | A kind of supply line's power failure point determination methods |
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Application publication date: 20181019 |