CN112782525A - Feeder line branch fault studying and judging method and device based on distribution transformer voltage loss alarm - Google Patents
Feeder line branch fault studying and judging method and device based on distribution transformer voltage loss alarm Download PDFInfo
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- CN112782525A CN112782525A CN202011568455.5A CN202011568455A CN112782525A CN 112782525 A CN112782525 A CN 112782525A CN 202011568455 A CN202011568455 A CN 202011568455A CN 112782525 A CN112782525 A CN 112782525A
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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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- 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
- G01R31/088—Aspects of digital computing
Abstract
The invention discloses a feeder branch fault studying and judging method and a device based on distribution transformer voltage loss alarm, which can obtain distribution transformer voltage loss alarm signals of a metering system in a preset time interval in the preset time interval, determine the feeder of the distribution transformer voltage loss alarm signals according to equipment account information, count the distribution transformer fault number of distribution transformer power failure events of the feeder, judge whether a feeder switch of the feeder has fault tripping according to the distribution transformer total number and the distribution transformer fault number of the feeder, carry out studying and judging according to branch lines, reduce the workload of operation, consider the proportion of power failure distribution transformer in one branch line, reduce misjudgment caused by error signals, provide reference for judging and processing dispatcher accidents, greatly reduce the risk that the signals cannot be processed in time under emergency conditions of typhoon, cable trench ignition and the like, and improve the stability of fault processing, the fault judgment efficiency is improved, and the potential safety hazard is reduced.
Description
Technical Field
The invention relates to the field of distribution network automation, in particular to a feeder line branch fault studying and judging method and device based on distribution transformer voltage loss alarm.
Background
The distribution network scheduling applies a plurality of sets of real-time control systems, carries out 'modulation-monitoring-control' service on the safe operation of the distribution network, and spends a large amount of time on monitoring, identifying and tracking the in-station and out-station sea abnormal signals. Risks such as missing in peak periods and mistakenly shooting signals are gradually increased, the tracking process of abnormal signal treatment is time-consuming and labor-consuming, and intelligent transition of a scheduling signal monitoring mode is particularly important. With the continuous expansion of the scale of the dispatching pipes, the monitoring pressure of distribution network dispatching signals is increased day by day, the traditional method of manual identification and disposal is adopted in the existing information system, the experience efficiency is low, and the potential safety hazard is large.
Disclosure of Invention
The invention aims to solve at least one of the technical problems in the prior art, and provides a feeder line branch fault studying and judging method and device based on distribution transformer voltage loss alarm, which can improve the stability of fault processing, improve the fault judging efficiency and reduce the potential safety hazard.
In a first aspect, an embodiment of the present invention provides a feeder line branch fault studying and judging method based on a distribution transformer voltage loss alarm, including the following steps:
acquiring distribution transformer voltage loss alarm signals of a metering system in a preset time interval at intervals of a preset time interval, wherein the distribution transformer voltage loss alarm signals represent distribution transformer power failure events of a distribution transformer;
judging the authenticity of the distribution transformer voltage loss alarm signal and eliminating abnormal signals;
determining the feeder line of the distribution transformer voltage loss alarm signal according to the equipment ledger information, and counting the number of distribution transformer fault stations of the distribution transformer power failure event of the feeder line;
and judging whether the feeder switch of the feeder line has fault tripping according to the total distribution transformer number and the fault distribution transformer number of the feeder line.
The feeder line branch fault studying and judging method based on distribution transformer voltage loss alarm provided by the embodiment of the invention at least has the following beneficial effects: the method comprises the steps of obtaining distribution transformer voltage loss alarm signals of a metering system in a preset time interval, determining feeder lines of the distribution transformer voltage loss alarm signals according to equipment account information, counting the number of distribution transformer fault stations of distribution transformer power failure events of the feeder lines, judging whether feeder line switches of the feeder lines are in fault tripping or not according to the total number of distribution transformer stations and the number of distribution transformer fault stations of the feeder lines, judging according to branch lines, reducing the workload of operation, considering the proportion of power failure distribution transformer in one branch line, reducing misjudgment brought by error signals, providing reference for judgment and processing of dispatcher accidents, greatly reducing the risk that the signals cannot be processed in time under emergency conditions such as typhoon, cable duct ignition and the like, improving the stability of fault processing, improving the fault judgment efficiency and reducing potential safety hazards.
In the method for studying and judging the feeder branch faults based on the distribution transformer voltage loss alarm, if the total number of distribution transformers of the feeder line is greater than 10 and the number of distribution transformer fault units of the feeder line is greater than half of the total number of distribution transformers, the fault tripping of the feeder line is judged.
In the method for studying and judging feeder branch faults based on distribution transformer voltage loss alarm, if the total distribution transformer number of the feeder lines is greater than 2 and less than 10, and the distribution transformer fault number of the feeder lines is greater than 2, the fault tripping of the feeder lines is judged.
In the feeder line branch fault studying and judging method based on distribution transformer voltage loss alarm, if the distribution transformer corresponding to the distribution transformer voltage loss alarm signal acquired at the next preset time interval is judged to have fault tripping in the previous preset time interval, the distribution transformer voltage loss alarm signal is hung on the known distribution transformer power failure event.
In a second aspect, an embodiment of the present invention provides a feeder line branch fault studying and determining device based on a distribution transformer voltage loss alarm, including:
the system comprises a signal acquisition module, a voltage distribution and transformation alarm module and a voltage distribution and transformation alarm module, wherein the signal acquisition module is used for acquiring distribution and transformation voltage loss alarm signals of a metering system in a preset time interval at intervals, and the distribution and transformation voltage loss alarm signals represent distribution and transformation power failure events of a distribution transformer;
the signal rejection module is used for judging the authenticity of the distribution transformer voltage loss alarm signal and rejecting an abnormal signal;
the fault counting module is used for determining the feeder line of the distribution transformer voltage loss alarm signal according to the equipment ledger information and counting the number of distribution transformer fault units of the distribution transformer power failure event of the feeder line;
and the fault judgment module is used for judging whether the feeder switch of the feeder line has fault tripping according to the total distribution transformer number and the fault distribution transformer number of the feeder line.
The feeder line branch fault studying and judging device based on distribution transformer voltage loss alarm provided by the embodiment of the invention at least has the following beneficial effects: the method comprises the steps of obtaining distribution transformer voltage loss alarm signals of a metering system in a preset time interval, determining feeder lines of the distribution transformer voltage loss alarm signals according to equipment account information, counting the number of distribution transformer fault stations of distribution transformer power failure events of the feeder lines, judging whether feeder line switches of the feeder lines are in fault tripping or not according to the total number of distribution transformer stations and the number of distribution transformer fault stations of the feeder lines, judging according to branch lines, reducing the workload of operation, considering the proportion of power failure distribution transformer in one branch line, reducing misjudgment brought by error signals, providing reference for judgment and processing of dispatcher accidents, greatly reducing the risk that the signals cannot be processed in time under emergency conditions such as typhoon, cable duct ignition and the like, improving the stability of fault processing, improving the fault judgment efficiency and reducing potential safety hazards.
In the feeder branch fault studying and judging device based on distribution transformer voltage loss alarm, if the total distribution transformer number of the feeder lines is greater than 10 and the distribution transformer fault number of the feeder lines is greater than half of the total distribution transformer number, the fault judging module judges that the feeder lines have fault tripping.
In the feeder branch fault studying and judging device based on distribution transformer voltage loss alarm, if the total distribution transformer number of the feeder lines is greater than 2 and less than 10, and the distribution transformer fault number of the feeder lines is greater than 2, the fault judging module judges that the feeder lines have fault tripping.
In the feeder branch fault studying and judging device based on distribution transformer voltage loss alarm, if the distribution transformer corresponding to the distribution transformer voltage loss alarm signal acquired at the next preset time interval is judged to have fault tripping at the previous preset time interval, the fault statistics module hangs the distribution transformer voltage loss alarm signal on the known distribution transformer power failure event.
In a third aspect, an embodiment of the present invention provides an operation control apparatus, including at least one control processor and a memory, which is communicatively connected to the at least one control processor; the memory stores instructions executable by the at least one control processor, and the instructions are executed by the at least one control processor to enable the at least one control processor to execute the feeder branch fault diagnosis method based on distribution transformer voltage loss alarm as described in the embodiment of the first aspect.
The operation control device provided by the embodiment of the invention at least has the following beneficial effects: the method comprises the steps of obtaining distribution transformer voltage loss alarm signals of a metering system in a preset time interval, determining feeder lines of the distribution transformer voltage loss alarm signals according to equipment account information, counting the number of distribution transformer fault stations of distribution transformer power failure events of the feeder lines, judging whether feeder line switches of the feeder lines are in fault tripping or not according to the total number of distribution transformer stations and the number of distribution transformer fault stations of the feeder lines, judging according to branch lines, reducing the workload of operation, considering the proportion of power failure distribution transformer in one branch line, reducing misjudgment brought by error signals, providing reference for judgment and processing of dispatcher accidents, greatly reducing the risk that the signals cannot be processed in time under emergency conditions such as typhoon, cable duct ignition and the like, improving the stability of fault processing, improving the fault judgment efficiency and reducing potential safety hazards.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, where the computer-executable instructions are configured to cause a computer to perform the feeder branch fault studying and judging method based on distribution transformer voltage loss alarm described in the first aspect.
The computer-readable storage medium provided by the embodiment of the invention has at least the following beneficial effects: the method comprises the steps of obtaining distribution transformer voltage loss alarm signals of a metering system in a preset time interval, determining feeder lines of the distribution transformer voltage loss alarm signals according to equipment account information, counting the number of distribution transformer fault stations of distribution transformer power failure events of the feeder lines, judging whether feeder line switches of the feeder lines are in fault tripping or not according to the total number of distribution transformer stations and the number of distribution transformer fault stations of the feeder lines, judging according to branch lines, reducing the workload of operation, considering the proportion of power failure distribution transformer in one branch line, reducing misjudgment brought by error signals, providing reference for judgment and processing of dispatcher accidents, greatly reducing the risk that the signals cannot be processed in time under emergency conditions such as typhoon, cable duct ignition and the like, improving the stability of fault processing, improving the fault judgment efficiency and reducing potential safety hazards.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
fig. 1 is a flowchart of a feeder branch fault studying and judging method based on distribution transformer voltage loss alarm according to an embodiment of the present invention;
fig. 2 is a structural diagram of a feeder line branch fault studying and judging device based on distribution transformer voltage loss alarm according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an operation control apparatus according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The embodiment of the invention provides a feeder line branch fault studying and judging method and device based on distribution transformer voltage loss alarm, which can improve the stability of fault processing, improve the fault judging efficiency and reduce the potential safety hazard.
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1, an embodiment of a first aspect of the present invention provides a feeder line branch fault studying and judging method based on a distribution transformer voltage loss alarm, including the following steps:
step S110: acquiring distribution transformer voltage loss alarm signals of a metering system in a preset time interval at intervals of a preset time interval, wherein the distribution transformer voltage loss alarm signals represent distribution transformer power failure events of a distribution transformer; wherein the preset time interval may be set to 5 minutes;
step S120: judging the authenticity of the distribution transformer voltage loss alarm signal and eliminating abnormal signals;
step S130: determining the feeder line of the distribution transformer voltage loss alarm signal according to the equipment ledger information, and counting the number of distribution transformer fault stations of the distribution transformer power failure event of the feeder line;
step S140: and judging whether the feeder switch of the feeder line has fault tripping according to the total distribution transformer number and the fault distribution transformer number of the feeder line.
According to the feeder branch fault studying and judging method based on distribution transformer voltage loss alarm provided by the embodiment of the invention, distribution transformer voltage loss alarm signals of a metering system in a preset time interval are obtained in the preset time interval, the feeder to which the distribution transformer voltage loss alarm signals belong is determined according to equipment account information, the distribution transformer fault number of distribution transformer power failure events of the feeder to which the distribution transformer belongs is counted, whether a feeder switch of the feeder to which the distribution transformer belongs has fault tripping or not is judged according to the distribution transformer total number and the distribution transformer fault number of the feeder to which the distribution transformer belongs, the branch line is studied and judged, the workload of operation is reduced, the proportion of distribution transformer power failure in one branch line is considered, misjudgment caused by error signals can be reduced, reference is provided for a dispatcher to judge and process accidents, the risk that the signals cannot be processed in time under emergency conditions such as typhoon, cable trench ignition and the like is greatly reduced, and the stability of fault processing is improved, the fault judgment efficiency is improved, and the potential safety hazard is reduced.
In the method for studying and judging the feeder branch faults based on the distribution transformer voltage loss alarm, if the total number of distribution transformers of the feeder line is greater than 10 and the number of distribution transformer fault units of the feeder line is greater than half of the total number of distribution transformers, the fault tripping of the feeder line is judged.
In the method for studying and judging feeder branch faults based on distribution transformer voltage loss alarm, if the total distribution transformer number of the feeder lines is greater than 2 and less than 10, and the distribution transformer fault number of the feeder lines is greater than 2, the fault tripping of the feeder lines is judged.
In addition, if the total number of distribution transformers of the feeder lines is only 1, the research and judgment are not carried out; if one branch line has no switch, the fault can be judged to be the section switch on the main line, but at the same time, the fault is judged to be the branch line switch of other branch lines, and in this case, the fault is judged to be the power failure of a plurality of branch lines.
In the feeder line branch fault studying and judging method based on distribution transformer voltage loss alarm, if the distribution transformer corresponding to the distribution transformer voltage loss alarm signal acquired at the next preset time interval is judged to have fault tripping in the previous preset time interval, the distribution transformer voltage loss alarm signal is hung on the known distribution transformer power failure event.
Referring to fig. 2, a second aspect of the present invention provides a feeder branch fault studying and determining apparatus based on distribution transformer voltage loss alarm, including:
the signal acquisition module 210 is configured to acquire, at preset time intervals, distribution transformer and loss-of-voltage alarm signals of the metering system within the preset time intervals, where the distribution transformer and loss-of-voltage alarm signals represent distribution transformer power failure events;
the signal rejection module 220 is configured to determine the authenticity of the distribution transformer voltage loss warning signal and reject an abnormal signal;
the fault counting module 230 is configured to determine a feeder to which the distribution transformer voltage loss alarm signal belongs according to the equipment ledger information, and count the number of distribution transformer fault stations in which a distribution transformer power failure event occurs in the feeder to which the distribution transformer voltage loss alarm signal belongs;
and the fault judging module 240 is configured to judge whether a feeder switch of the feeder to which the feeder belongs has a fault trip according to the total distribution transformer number and the distribution transformer fault number of the feeder to which the feeder belongs.
According to the feeder branch fault studying and judging device based on distribution and transformation voltage loss alarm provided by the embodiment of the invention, distribution and transformation voltage loss alarm signals of a metering system in a preset time interval are obtained in the preset time interval, the feeder to which the distribution and transformation voltage loss alarm signals belong is determined according to equipment account information, the distribution and transformation fault number of distribution and transformation power failure events of the feeder to which the feeder belongs is counted, whether a feeder switch of the feeder to which the feeder belongs has fault tripping or not is judged according to the distribution and transformation total number of the feeder and the distribution and transformation fault number of the feeder to which the feeder belongs, the branch line is studied and judged, the workload of operation is reduced, the proportion of distribution and transformation power failure in one branch line is considered, misjudgment caused by error signals can be reduced, reference is provided for a dispatcher to judge and process accidents, the risk that the signals cannot be processed in time under emergency conditions such as typhoon, cable trench ignition and the like is greatly reduced, and the stability of fault processing is improved, the fault judgment efficiency is improved, and the potential safety hazard is reduced.
In the feeder branch fault studying and judging device based on distribution transformer voltage loss alarm, if the total number of distribution transformers of the feeder line is greater than 10 and the number of distribution transformer fault stations of the feeder line is greater than half of the total number of distribution transformers, the fault judging module 240 judges that the feeder line has fault tripping.
In the feeder branch fault studying and judging device based on distribution transformer voltage loss alarm, if the total distribution transformer number of the feeder lines is greater than 2 and less than 10, and the distribution transformer fault number of the feeder lines is greater than 2, the fault judging module 240 judges that the feeder lines have fault tripping.
In addition, if the total number of distribution transformers of the feeder lines is only 1, the research and judgment are not carried out; if one branch line has no switch, the fault can be judged to be the section switch on the main line, but at the same time, the fault is judged to be the branch line switch of other branch lines, and in this case, the fault is judged to be the power failure of a plurality of branch lines.
In the feeder branch fault studying and judging device based on distribution transformer voltage loss alarm, if the distribution transformer corresponding to the distribution transformer voltage loss alarm signal acquired at the next preset time interval is determined to have a fault trip at the previous preset time interval, the fault statistics module 230 hangs the distribution transformer voltage loss alarm signal on a known distribution transformer power failure event.
Referring to fig. 3, a third aspect of an embodiment of the present invention provides an operation control apparatus 300, including at least one control processor 310 and a memory 320 for communicative connection with the at least one control processor 310; the memory 320 stores instructions executable by the at least one control processor 310, and the instructions are executed by the at least one control processor 310, so that the at least one control processor 310 can execute the feeder branch fault investigation method based on distribution transformer voltage loss alarm according to the first aspect of the present invention, for example, execute the above-described method steps S110 to S140 in fig. 1.
According to the operation control device provided by the embodiment of the invention, distribution transformer voltage loss alarm signals of a metering system in a preset time interval are obtained in the preset time interval, feeder lines of the distribution transformer voltage loss alarm signals are determined according to equipment station account information, the number of distribution transformer fault stations of distribution transformer power failure events of the feeder lines is counted, whether fault tripping occurs on feeder line switches of the feeder lines is judged according to the total number of distribution transformer stations and the number of distribution transformer fault stations of the feeder lines, judgment is carried out according to branch lines, the workload of operation is reduced, the proportion of power failure distribution transformer in one branch line is considered, misjudgment caused by error signals can be reduced, reference is provided for dispatcher accident judgment and processing, the risk that the signals cannot be processed in time under emergency conditions such as typhoon, cable duct ignition and the like is greatly reduced, the stability of fault processing is improved, and the fault judgment efficiency is improved, and the potential safety hazard is reduced.
In addition, a fourth aspect embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored, and the computer-executable instructions are configured to cause a computer to execute the feeder branch fault studying method based on distribution transformer voltage loss alarm according to the first aspect embodiment, for example, execute the above-described method steps S110 to S140 in fig. 1.
According to the computer-readable storage medium provided by the embodiment of the invention, distribution transformer voltage loss alarm signals of a metering system in a preset time interval are obtained in the preset time interval, feeder lines of the distribution transformer voltage loss alarm signals are determined according to equipment station account information, the number of distribution transformer fault stations of distribution transformer power failure events of the feeder lines is counted, whether fault tripping occurs on feeder line switches of the feeder lines is judged according to the total number of distribution transformer stations and the number of distribution transformer fault stations of the feeder lines, judgment is carried out according to branch lines, the workload of operation is reduced, the proportion of power failure distribution transformer in one branch line is considered, misjudgment caused by error signals can be reduced, reference is provided for dispatcher accident judgment and processing, the risk that the signals cannot be processed in time under emergency conditions such as typhoon, cable duct ignition and the like is greatly reduced, the stability of fault processing is improved, and the fault judgment efficiency is improved, and the potential safety hazard is reduced.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media or non-transitory media and communication media or transitory media. The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks, DVD, or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A feeder line branch fault studying and judging method based on distribution transformer voltage loss alarm is characterized by comprising the following steps:
acquiring distribution transformer voltage loss alarm signals of a metering system in a preset time interval at intervals of a preset time interval, wherein the distribution transformer voltage loss alarm signals represent distribution transformer power failure events of a distribution transformer;
judging the authenticity of the distribution transformer voltage loss alarm signal and eliminating abnormal signals;
determining the feeder line of the distribution transformer voltage loss alarm signal according to the equipment ledger information, and counting the number of distribution transformer fault stations of the distribution transformer power failure event of the feeder line;
and judging whether the feeder switch of the feeder line has fault tripping according to the total distribution transformer number and the fault distribution transformer number of the feeder line.
2. The feeder branch fault studying and judging method based on distribution transformer voltage loss alarm as claimed in claim 1, wherein if the total distribution transformer number of the feeder lines is greater than 10, and the distribution transformer fault number of the feeder lines is greater than half of the total distribution transformer number, it is determined that the feeder lines have fault tripping.
3. A feeder branch fault studying and judging method based on distribution transformer voltage loss alarm according to claim 1, characterized in that if the total number of distribution transformers of the feeder line is more than 2 and less than 10, and the number of distribution transformer fault stations of the feeder line is more than 2, it is determined that the feeder line has fault tripping.
4. A feeder branch fault studying and judging method based on distribution transformer voltage loss alarm according to claim 1, characterized in that if the distribution transformer corresponding to the distribution transformer voltage loss alarm signal obtained in the next preset time interval has been determined to have a fault trip in the previous preset time interval, the distribution transformer voltage loss alarm signal is hung on the known distribution transformer power failure event.
5. The utility model provides a feeder branch road fault is studied and is judged device based on join in marriage and become voltage loss warning which characterized in that includes:
the system comprises a signal acquisition module, a voltage distribution and transformation alarm module and a voltage distribution and transformation alarm module, wherein the signal acquisition module is used for acquiring distribution and transformation voltage loss alarm signals of a metering system in a preset time interval at intervals, and the distribution and transformation voltage loss alarm signals represent distribution and transformation power failure events of a distribution transformer;
the signal rejection module is used for judging the authenticity of the distribution transformer voltage loss alarm signal and rejecting an abnormal signal;
the fault counting module is used for determining the feeder line of the distribution transformer voltage loss alarm signal according to the equipment ledger information and counting the number of distribution transformer fault units of the distribution transformer power failure event of the feeder line;
and the fault judgment module is used for judging whether the feeder switch of the feeder line has fault tripping according to the total distribution transformer number and the fault distribution transformer number of the feeder line.
6. A feeder branch fault studying and judging device based on distribution transformer voltage loss alarm according to claim 5, characterized in that if the total number of distribution transformers of the feeder line is more than 10 and the number of distribution transformer fault stations of the feeder line is more than half of the total number of distribution transformers, the fault judging module judges that the feeder line has fault tripping.
7. A feeder branch fault studying and judging device based on distribution transformer voltage loss alarm according to claim 5, characterized in that if the total number of distribution transformers of the feeder line is more than 2 and less than 10, and the number of distribution transformer fault stations of the feeder line is more than 2, the fault judging module judges that the feeder line has fault tripping.
8. A feeder branch fault studying and judging device based on distribution transformer voltage loss alarm according to claim 5, characterized in that if the distribution transformer corresponding to the distribution transformer voltage loss alarm signal acquired in the next preset time interval is judged to have a fault trip in the previous preset time interval, the fault statistic module hangs the distribution transformer voltage loss alarm signal on the known distribution transformer power failure event.
9. An operation control device comprising at least one control processor and a memory for communicative connection with the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform the method of distribution transformer voltage loss alarm based feeder branch fault diagnosis according to any one of claims 1 to 4.
10. A computer-readable storage medium storing computer-executable instructions for causing a computer to perform the feeder branch fault diagnosis method based on distribution transformer voltage loss alarm according to any one of claims 1 to 4.
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| CN113219292A (en) * | 2021-07-08 | 2021-08-06 | 广东电网有限责任公司梅州供电局 | Bus accident diagnosis method, device, equipment and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100259859A1 (en) * | 2009-04-10 | 2010-10-14 | Prashant Purushotham Prabhu K | Method of ensuring the coordinated arc fault protection in a heirarchial power distribution system |
| 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 |
| CN103956831A (en) * | 2014-05-15 | 2014-07-30 | 广东电网公司佛山供电局 | Intelligent diagnosis method for alarming of phase loss of power transmission line distribution transformer |
| CN106646104A (en) * | 2016-09-28 | 2017-05-10 | 广东电网有限责任公司肇庆供电局 | Power distribution network fault diagnosis method |
| CN106814267A (en) * | 2016-12-07 | 2017-06-09 | 珠海许继电气有限公司 | The implementation method that a kind of power distribution station failure based on topology is studied and judged |
| CN106841726A (en) * | 2016-12-15 | 2017-06-13 | 国网天津市电力公司 | A kind of decompression anti-electricity-theft early warning analysis method of disconnected facies analysis |
| CN106877509A (en) * | 2017-03-31 | 2017-06-20 | 国家电网公司 | Distribution line failure is studied and judged and alert analysis method |
| CN109560543A (en) * | 2018-11-14 | 2019-04-02 | 广东电网有限责任公司江门供电局 | Dynamic contingency prediction scheme analysis method and system based on main distribution Integrated Model |
| CN109579913A (en) * | 2018-12-21 | 2019-04-05 | 云南电网有限责任公司电力科学研究院 | A kind of polymorphic monitoring method of distribution transformer and system |
-
2020
- 2020-12-25 CN CN202011568455.5A patent/CN112782525A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100259859A1 (en) * | 2009-04-10 | 2010-10-14 | Prashant Purushotham Prabhu K | Method of ensuring the coordinated arc fault protection in a heirarchial power distribution system |
| 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 |
| CN103956831A (en) * | 2014-05-15 | 2014-07-30 | 广东电网公司佛山供电局 | Intelligent diagnosis method for alarming of phase loss of power transmission line distribution transformer |
| CN106646104A (en) * | 2016-09-28 | 2017-05-10 | 广东电网有限责任公司肇庆供电局 | Power distribution network fault diagnosis method |
| CN106814267A (en) * | 2016-12-07 | 2017-06-09 | 珠海许继电气有限公司 | The implementation method that a kind of power distribution station failure based on topology is studied and judged |
| CN106841726A (en) * | 2016-12-15 | 2017-06-13 | 国网天津市电力公司 | A kind of decompression anti-electricity-theft early warning analysis method of disconnected facies analysis |
| CN106877509A (en) * | 2017-03-31 | 2017-06-20 | 国家电网公司 | Distribution line failure is studied and judged and alert analysis method |
| CN109560543A (en) * | 2018-11-14 | 2019-04-02 | 广东电网有限责任公司江门供电局 | Dynamic contingency prediction scheme analysis method and system based on main distribution Integrated Model |
| CN109579913A (en) * | 2018-12-21 | 2019-04-05 | 云南电网有限责任公司电力科学研究院 | A kind of polymorphic monitoring method of distribution transformer and system |
Non-Patent Citations (1)
| Title |
|---|
| 黄国政等: "一种基于配电变压器失压信息倒推开关故障的方法", 《广东电力》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219292A (en) * | 2021-07-08 | 2021-08-06 | 广东电网有限责任公司梅州供电局 | Bus accident diagnosis method, device, equipment and storage medium |
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