CN105467276A - Line fault monitoring method and system - Google Patents
Line fault monitoring method and system Download PDFInfo
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- CN105467276A CN105467276A CN201610019106.5A CN201610019106A CN105467276A CN 105467276 A CN105467276 A CN 105467276A CN 201610019106 A CN201610019106 A CN 201610019106A CN 105467276 A CN105467276 A CN 105467276A
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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
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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Abstract
The application discloses a line fault monitoring method and device. Based on the power failure information of private and public terminals, and the line fault information of a distribution line monitoring terminal, and according to a distribution line topology, the method and device analyze power failure areas and charged areas, solve the information sharing problem between transformer power failure monitoring information and distribution line fault information, and more accurately obtain the power failure scope influenced by line faults.
Description
Technical field
The application relates to wireline inspection field, more particularly, relates to a kind of line fault monitoring method and system.
Background technology
Current power information collection and distribution line monitor the on-line monitoring having contained substation transformer on-line monitoring and distribution line, public transformer terminals and special transformer terminals can report transformer outage information to main station system accurately, and distribution line monitoring terminal can by the line fault information such as the short circuit that circuit occurs, ground connection accurately and timely report monitoring main website.
Because two operation systems are relatively independent, online monitoring data cannot realize sharing, therefore power information acquisition system can only analyze transformer outage information, and determine the low-voltage customer power failure range under certain power failure transformer, and distribution line monitoring is merely able to monitoring short trouble generation position, thus accurately to know the power failure range that line fault affects.
Summary of the invention
In view of this, the application provides a kind of line fault monitoring method and system, in conjunction with the outage information of special, public transformer terminals, the line fault information of distribution line monitoring terminal, power supply interrupted district and charging zone is analyzed according to distribution line topology, solve the information sharing problem between transformer blackouts monitoring information and distribution line failure information, can more Obtaining Accurate line fault impact power failure range.
To achieve these goals, the existing scheme proposed is as follows:
A kind of line fault monitoring method, comprising:
Analyze and allly report the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determine fault section;
Using the higher level disconnector nearest apart from described fault section as responsibility switch;
According to the transformer outage information of special, public transformer terminals, transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch;
When described transformer power failure ratio is less than predetermined threshold value, then determining that the subordinate interval of described responsibility switch is interval for having a power failure, is between live zone between the parent-zone of described responsibility switch;
When described transformer power failure ratio is more than or equal to predetermined threshold value, using higher level's disconnector of described responsibility switch as new responsibility switch, return the transformer outage information performing special, the public transformer terminals of described basis, the step of transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch, until described transformer power failure ratio is less than predetermined threshold value.
Preferably, described analysis is all reports the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determines fault section, also comprises before:
Based on wire topologies figure and line fault information, determine the line topological position of the distribution line monitoring terminal reporting the line topological position of the distribution line monitoring terminal of line fault information and do not report line fault information.
Preferably, described analysis is all reports the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determines fault section, comprising:
Using the distance transformer station reference position of line topological position as fault section reporting the distribution line monitoring terminal of line fault information farthest;
With described reference position for starting point, judge away from whether transformer station direction existing the distribution line monitoring terminal not reporting line fault information;
If exist, then first is not reported first end position of topology location as fault section of the distribution line monitoring terminal of line fault information;
According to described reference position and described first end position determination Fisrt fault interval;
Other not crossing over described Fisrt fault interval are not reported the end position of topology location as other fault sections of the distribution wire monitoring terminal of line fault information;
Mark described reference position, and all end positions, determine all fault sections;
If do not exist, then will take reference position as starting point, away from all circuits on transformer station direction as fault section.
Preferably, the transformer outage information of special, the public transformer terminals of described basis, transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch, comprising:
Obtain the transformer outage information of special, public transformer terminals
According to described transformer outage information, generate transformer power failure list
According to described transformer power failure list, total number transformer and perform the number transformer of power failure operation between the higher level's disconnector determining described responsibility switch and described responsibility switch;
According to the quantity of the transformer of execution power failure operation, and transformer total quantity calculates described transformer power failure ratio.
Preferably, the described subordinate interval determining described responsibility switch is the interval that has a power failure, and also comprises afterwards:
Show described power failure interval and fault section, and export power failure warning message.
A kind of line fault monitoring device, comprising:
Fault section determining unit, analyzes and allly reports the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determine fault section;
Responsibility switch determining unit, for using the higher level disconnector nearest apart from described fault section as responsibility switch;
Computing unit, for the transformer outage information according to special, public transformer terminals, transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch;
Stop, charged determining unit, for when described transformer power failure ratio is less than predetermined threshold value, then determining that the subordinate interval of described responsibility switch is interval for having a power failure, is between live zone between the parent-zone of described responsibility switch;
Wherein, when the described transformer power failure ratio that described computing unit exports is more than or equal to predetermined threshold value, described responsibility switch determining unit using higher level's disconnector of described responsibility switch as new responsibility switch, return described computing unit, the described transformer power failure ratio that described computing unit exports is less than predetermined threshold value.
Preferably, also comprise: line topological position determination unit, for based on wire topologies figure and line fault information, determine the line topological position of the distribution line monitoring terminal reporting the line topological position of the distribution line monitoring terminal of line fault information and do not report line fault information.
Preferably, described fault section determining unit comprises:
Reference position determination module, for using the distance transformer station reference position of line topological position as fault section reporting the distribution line monitoring terminal of line fault information farthest;
Judge module, for described reference position for starting point, judge away from whether transformer station direction existing the distribution line monitoring terminal not reporting line fault information;
First end position determination module, for when the judged result that judge module exports is for being, does not report first end position of topology location as fault section of the distribution line monitoring terminal of line fault information using first;
Fisrt fault interval determination module, for according to described reference position and described first end position determination Fisrt fault interval;
Second end position determination module, for not reporting the end position of topology location as other fault sections of the distribution wire monitoring terminal of line fault information using other not crossing over described Fisrt fault interval;
Fisrt fault interval mark module, for marking described reference position, and all end positions, determine all fault sections;
Second fault section mark module during for being no when the judged result that judge module exports, then will take reference position as starting point, away from all circuits on transformer station direction as fault section.
Preferably, described computing unit comprises:
Outage information acquisition module, for obtaining the transformer outage information of special, public transformer terminals
Power failure list sorting module, for according to described transformer outage information, generates transformer power failure list
Number transformer statistical module, for according to described transformer power failure list, total number transformer and perform the number transformer of power failure operation between the higher level's disconnector determining described responsibility switch and described responsibility switch;
Computing module, for the quantity of the transformer according to execution power failure operation, and transformer total quantity calculates described transformer power failure ratio.
Preferably, also comprising display, alarm unit, for showing described power failure interval and fault section, and exporting power failure warning message.
Through as shown from the above technical solution, this application discloses a kind of line fault monitoring method and device.The method, according to all distribution line terminals of line fault information and described for reporting the topology location of line fault information of reporting, determines fault section.And then determine a responsibility switch, and determine the transformer power failure ratio between this responsibility switch and higher level's disconnector according to the transformer outage information of special, public transformer terminals.When this ratio is less than predetermined threshold value, then illustrate that this responsibility switch is step switch, the region after responsibility switch is interval for having a power failure, and region is before between live zone.When this ratio is more than or equal to predetermined threshold value, illustrate this responsibility switch be not have a power failure step switch, now using higher level's disconnector of this responsibility switch as new responsibility switch, until determine step switch.Compared with prior art, the outage information of the present invention in conjunction with special, public transformer terminals, the line fault information of distribution line monitoring terminal, power supply interrupted district and charging zone is analyzed according to distribution line topology, solve the information sharing problem between transformer blackouts monitoring information and distribution line failure information, can more Obtaining Accurate line fault impact power failure range.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 shows the schematic flow sheet of a kind of path monitoring method disclosed in one embodiment of the invention;
Fig. 2 shows the schematic flow sheet determining fault section in a kind of path monitoring method disclosed in another embodiment of the present invention;
Fig. 3 shows in a kind of path monitoring method disclosed in another embodiment of the present invention and determines the interval schematic flow sheet that has a power failure;
Fig. 4 shows the structural representation of the disclosed a kind of pressure line monitoring device of another enforcement of the present invention;
Fig. 5 shows the structural representation of the fault section determining unit of a kind of pressure line monitoring device disclosed in another embodiment of the present invention;
Fig. 6 shows the structural representation of the computing unit determining unit of a kind of pressure line monitoring device disclosed in another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The schematic flow sheet of a kind of path monitoring method disclosed in one embodiment of the invention is shown see Fig. 1.
As shown in Figure 1, the method comprises:
S101: analyze and allly report the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determine fault section.
The wiring circuit monitoring terminal flow through owing to only having fault current just can report line fault information, thus from transformer station to trouble spot, the principle of exclusive path is only had in conjunction with fault current, to reporting the distribution wire monitoring terminal of line fault information and not reporting the line topological position of the distribution wire monitoring terminal of line fault information to analyze, fault section can be determined.
S102: using the higher level disconnector nearest apart from described fault section as responsibility switch.
S103: according to the transformer outage information of special, public transformer terminals, transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch.
S104: when described transformer power failure ratio is less than predetermined threshold value, then determining that the subordinate interval of described responsibility switch is interval for having a power failure, is between live zone between the parent-zone of described responsibility switch.
When the power failure ratio of transformer is less than predetermined threshold value, then illustrate that this responsibility switch is the switch that tripping operation occurs, after power failure coverage is switch at the corresponding levels, before charged scope is switch at the corresponding levels.
S105: when described transformer power failure ratio is more than or equal to predetermined threshold value, using higher level's disconnector of described responsibility switch as new responsibility switch, returns and performs step S102 and step S103, until described transformer power failure ratio is less than predetermined threshold value.
Have a power failure if there is a certain proportion of transformer, then think that responsibility switch is now also action, and then using higher level's disconnector of this responsibility switch as new responsibility switch.
S106: display power failure coverage and line fault interval, and output alarm information.
In the present embodiment, adopt the mode of line chart and GIS geographic map to represent abort situation, divide circuit electriferous state with chromatic zones.
As seen from the above embodiment, this application discloses a kind of line fault monitoring method.The method, according to all distribution line terminals of line fault information and described for reporting the topology location of line fault information of reporting, determines fault section.And then determine a responsibility switch, and determine the transformer power failure ratio between this responsibility switch and higher level's disconnector according to the transformer outage information of special, public transformer terminals.When this ratio is less than predetermined threshold value, then illustrate that this responsibility switch is step switch, the region after responsibility switch is interval for having a power failure, and region is before between live zone.When this ratio is more than or equal to predetermined threshold value, illustrate this responsibility switch be not have a power failure step switch, now using higher level's disconnector of this responsibility switch as new responsibility switch, until determine step switch.Compared with prior art, the outage information of the present invention in conjunction with special, public transformer terminals, the line fault information of distribution line monitoring terminal, power supply interrupted district and charging zone is analyzed according to distribution line topology, solve the information sharing problem between transformer blackouts monitoring information and distribution line failure information, can more Obtaining Accurate line fault impact power failure range.
The schematic flow sheet determining fault section in a kind of path monitoring method disclosed in another embodiment of the present invention is shown see Fig. 2.
As shown in Figure 2, determine that the flow process of fault section comprises:
S201: the line fault information obtaining distribution wire monitoring terminal.
S202: based on wire topologies figure and line fault information, determines to report in the line topological literary composition of the distribution line monitoring terminal of line fault information and does not report the line topological position of distribution line monitoring terminal of line fault information.
S203: using the distance transformer station reference position of line topological position as fault section reporting the distribution line monitoring terminal of line fault information farthest.
Analyze all line topological positions reporting the distribution wire monitoring terminal of line fault information, using from transformer station last monitoring point reporting the terminal of line fault information to flow through as fault current farthest, be labeled as the reference position of fault section.
S204: with described reference position for starting point, judges away from whether transformer station direction existing the distribution line monitoring terminal not reporting line fault information.
Analyze all line topological positions not reporting the wiring circuit monitoring terminal of line fault information, with fault reference position for starting point, judge whether store monitoring terminal on original transformer station direction.
S205: if exist, then first is not reported first end position of topology location as fault section of the distribution line monitoring terminal of line fault information.
S206: according to described reference position and described first end position determination Fisrt fault interval.
Other not crossing over described Fisrt fault interval are not reported the end position of topology location as other fault sections of the distribution wire monitoring terminal of line fault information by S207.
After determining Fisrt fault interval, continuing to analyze all line topologicals of the distribution wire monitoring terminal of line fault information that do not report is aim, with fault reference position for starting point, will on original transformer station direction, and other not crossing over Fisrt fault interval do not report the monitoring terminal of line fault information to be labeled as fault section end position yet, repeated execution of steps S206 until away from transformer station direction, and the position not crossing over Fisrt fault interval can not find any do not report the monitoring terminal of line fault information till.
S208: mark described reference position, and all end positions, determine all fault sections.
Mark fault section reference position and one or more fault section end positions, this circuit is fault section.
S209: if do not exist will take then reference position as starting point, away from all circuits on transformer station direction as fault section.
If do not have faulty section end position, then illustrate that fault section reference position is last monitoring point on circuit, its circuit away from transformer station direction is then marked as fault section.
Show in a kind of path monitoring method disclosed in another embodiment of the present invention see Fig. 3 and determine the interval schematic flow sheet that has a power failure.
As shown in Figure 3, determine that the idiographic flow in power failure interval comprises in the present embodiment:
S301: using interval for distance fault nearest higher level's disconnector as responsibility switch.
S302: the transformer outage information obtaining special, public transformer terminals.
S303: according to described transformer outage information, generates transformer power failure list.
The quantity with piezoelectric transformer and power failure transformer in whole piece circuit and transformer position is shown in this transformer power failure list.
S304:: according to described transformer power failure list, total number transformer and perform the number transformer of power failure operation between the higher level's disconnector determining responsibility switch and responsibility switch.
S305: according to the quantity of the transformer of execution power failure operation, and transformer total quantity calculates described transformer power failure ratio.
S306 when transformer power failure ratio is less than predetermined threshold value, then determines that this responsibility switch is step switch, and the subordinate interval of this responsibility switch is interval for having a power failure, and is between live zone between parent-zone.
S307: when transformer power failure ratio is more than or equal to predetermined threshold value, using higher level's disconnector of current responsibility switch as new responsibility switch, returns and performs step S304, until described transformer power failure ratio is less than predetermined threshold value.
The structural representation of the disclosed a kind of pressure line monitoring device of another enforcement of the present invention is shown see Fig. 4.
As shown in Figure 4, this device comprises: line topological position determination unit 1, fault section determining unit 2, responsibility switch determining unit 3, computing unit 4 and stop, charged interval determination unit 5 and display, alarm unit 6.
Wherein, line topological position determination unit, the line fault information of all distribution wire monitoring terminals on the topology diagram that obtains circuit and circuit, and then according to the topology diagram of circuit and line fault information, determine allly in circuit to report the distribution wire monitoring terminal of line fault information and all distribution wire monitoring terminals not reporting line fault information.
Fault section determining unit 2 is analyzed and is allly reported the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determines fault section.
And then, responsibility switch determining unit 3 using the higher level disconnector nearest apart from described fault section as responsibility switch.
Computing unit 4 according to the transformer outage information of special, public transformer terminals, transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch.
Wherein, when the result that computing unit 4 exports shows that transformer power failure ratio is less than predetermined threshold value, stopping, subordinate that charged determining unit 5 determines this responsibility switch interval is interval for having a power failure, is between live zone between parent-zone.
When the structure that computing unit 4 exports shows that transformer power failure ratio is more than or equal to predetermined threshold value, responsibility switch determining unit 3 using higher level's disconnector of current responsibility switch as new responsibility switch, and then computing unit 4 calculating transformer power failure ratio, until the described transformer power failure ratio that computing unit 4 exports is less than predetermined threshold value.
When determining to have a power failure between interval, live zone and after fault section, display, alarm unit 6 show each interval, and export power failure warning message.
The structural representation of the fault section determining unit of a kind of pressure line monitoring device disclosed in another embodiment of the present invention is shown see Fig. 5.
In the present embodiment, this device comprises: line topological position determination unit, fault section determining unit, responsibility switch determining unit, computing unit and stop, charged interval determination unit and display, alarm unit.
With a upper embodiment unlike, fault section determining unit 2 specifically comprises in the present embodiment: reference position determination module 21, judge module 22, first end position determination module 23, Fisrt fault interval determination module 24, second end position determination module 25, Fisrt fault interval mark module 26 and the second fault section mark module 27.
Wherein, reference position determination module 21 is for using the distance transformer station reference position of line topological position as fault section reporting the distribution line monitoring terminal of line fault information farthest.
Then, judge module 22 for starting point, judges away from whether transformer station direction existing the distribution line monitoring terminal not reporting line fault information with described reference position.
When the judged result that judge module 22 exports is for being, first end position determination module 23 does not report first end position of topology location as fault section of the distribution line monitoring terminal of line fault information using first, thus Fisrt fault interval determination module 24 is according to described reference position and described first end position determination Fisrt fault interval.
And then other not crossing over described Fisrt fault interval are not reported the end position of topology location as other fault sections of the distribution wire monitoring terminal of line fault information by the second end position determination module 25.
Fisrt fault interval mark module 26, for marking described reference position, and all end positions, determine all fault sections.
The judged result that judge module exports is no, illustrate that the reference position of fault section is last monitoring point on circuit, then the second fault section mark module 27 will take reference position as starting point, away from all circuits on transformer station direction as fault section.
In addition, the computing unit of this device specifically comprises in the present embodiment: outage information collecting unit 41, power failure list arrange unit 42, number transformer statistical module 43 and computing module 44.The structural representation of the computing unit determining unit of a kind of pressure line monitoring device disclosed in another embodiment of the present invention is shown see Fig. 6.
Wherein, outage information acquisition module 42 is for obtaining the transformer outage information of special, public transformer terminals.
The transformer outage information that power failure list sorting module 43 collects according to outage information acquisition module 42, generates transformer power failure list.
Number transformer statistical module 43 according to transformer power failure list, total number transformer and perform the number transformer of power failure operation between the higher level's disconnector determining described responsibility switch and described responsibility switch.
And then, calculate the quantity of mould 44 according to the transformer of execution power failure operation, and transformer total quantity calculates described transformer power failure ratio.
It should be noted that this device embodiment is corresponding with embodiment of the method, its implementation is identical with execution principle, and therefore not to repeat here.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a line fault monitoring method, is characterized in that, comprising:
Analyze and allly report the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determine fault section;
Using the higher level disconnector nearest apart from described fault section as responsibility switch;
According to the transformer outage information of special, public transformer terminals, transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch;
When described transformer power failure ratio is less than predetermined threshold value, then determining that the subordinate interval of described responsibility switch is interval for having a power failure, is between live zone between the parent-zone of described responsibility switch;
When described transformer power failure ratio is more than or equal to predetermined threshold value, using higher level's disconnector of described responsibility switch as new responsibility switch, return the transformer outage information performing special, the public transformer terminals of described basis, the step of transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch, until described transformer power failure ratio is less than predetermined threshold value.
2. method according to claim 1, it is characterized in that, described analysis is all reports the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determine fault section, also comprise before:
Based on wire topologies figure and line fault information, determine the line topological position of the distribution line monitoring terminal reporting the line topological position of the distribution line monitoring terminal of line fault information and do not report line fault information.
3. require the method described in 1 according to power, it is characterized in that, described analysis is all reports the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determines fault section, comprising:
Using the distance transformer station reference position of line topological position as fault section reporting the distribution line monitoring terminal of line fault information farthest;
With described reference position for starting point, judge away from whether transformer station direction existing the distribution line monitoring terminal not reporting line fault information;
If exist, then first is not reported first end position of topology location as fault section of the distribution line monitoring terminal of line fault information;
According to described reference position and described first end position determination Fisrt fault interval;
Other not crossing over described Fisrt fault interval are not reported the end position of topology location as other fault sections of the distribution wire monitoring terminal of line fault information;
Mark described reference position, and all end positions, determine all fault sections;
If do not exist, then will take reference position as starting point, away from all circuits on transformer station direction as fault section.
4. method according to claim 1, is characterized in that, the transformer outage information of special, the public transformer terminals of described basis, and transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch, comprising:
Obtain the transformer outage information of special, public transformer terminals
According to described transformer outage information, generate transformer power failure list
According to described transformer power failure list, total number transformer and perform the number transformer of power failure operation between the higher level's disconnector determining described responsibility switch and described responsibility switch;
According to the quantity of the transformer of execution power failure operation, and transformer total quantity calculates described transformer power failure ratio.
5. method according to claim 1, is characterized in that, the described subordinate interval determining described responsibility switch is the interval that has a power failure, and also comprises afterwards:
Show described power failure interval and fault section, and export power failure warning message.
6. a line fault monitoring device, is characterized in that, comprising:
Fault section determining unit, analyzes and allly reports the line topological position of the distribution line monitoring terminal of line fault information and all line topological positions not reporting the distribution line monitoring terminal of line fault information, determine fault section;
Responsibility switch determining unit, for using the higher level disconnector nearest apart from described fault section as responsibility switch;
Computing unit, for the transformer outage information according to special, public transformer terminals, transformer power failure ratio between the higher level's disconnector calculating described responsibility switch and described responsibility switch;
Stop, charged determining unit, for when described transformer power failure ratio is less than predetermined threshold value, then determining that the subordinate interval of described responsibility switch is interval for having a power failure, is between live zone between the parent-zone of described responsibility switch;
Wherein, when the described transformer power failure ratio that described computing unit exports is more than or equal to predetermined threshold value, described responsibility switch determining unit using higher level's disconnector of described responsibility switch as new responsibility switch, return described computing unit, the described transformer power failure ratio that described computing unit exports is less than predetermined threshold value.
7. device according to claim 6, it is characterized in that, also comprise: line topological position determination unit, for based on wire topologies figure and line fault information, determine the line topological position of the distribution line monitoring terminal reporting the line topological position of the distribution line monitoring terminal of line fault information and do not report line fault information.
8. device according to claim 6, is characterized in that, described fault section determining unit comprises:
Reference position determination module, for using the distance transformer station reference position of line topological position as fault section reporting the distribution line monitoring terminal of line fault information farthest;
Judge module, for described reference position for starting point, judge away from whether transformer station direction existing the distribution line monitoring terminal not reporting line fault information;
First end position determination module, for when the judged result that judge module exports is for being, does not report first end position of topology location as fault section of the distribution line monitoring terminal of line fault information using first;
Fisrt fault interval determination module, for according to described reference position and described first end position determination Fisrt fault interval;
Second end position determination module, for not reporting the end position of topology location as other fault sections of the distribution wire monitoring terminal of line fault information using other not crossing over described Fisrt fault interval;
Fisrt fault interval mark module, for marking described reference position, and all end positions, determine all fault sections;
Second fault section mark module during for being no when the judged result that judge module exports, then will take reference position as starting point, away from all circuits on transformer station direction as fault section.
9. device according to claim 6, is characterized in that, described computing unit comprises:
Outage information acquisition module, for obtaining the transformer outage information of special, public transformer terminals
Power failure list sorting module, for according to described transformer outage information, generates transformer power failure list
Number transformer statistical module, for according to described transformer power failure list, total number transformer and perform the number transformer of power failure operation between the higher level's disconnector determining described responsibility switch and described responsibility switch;
Computing module, for the quantity of the transformer according to execution power failure operation, and transformer total quantity calculates described transformer power failure ratio.
10. device according to claim 6, is characterized in that, also comprises display, alarm unit, for showing described power failure interval and fault section, and exports power failure warning message.
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| CN201610019106.5A CN105467276B (en) | 2016-01-13 | 2016-01-13 | A kind of line fault monitoring method and system |
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| CN106600006A (en) * | 2016-11-26 | 2017-04-26 | 国网安徽省电力公司宿州供电公司 | Power failure monitoring system of 10 KV network topology structure and power failure determination method |
| CN106707100A (en) * | 2016-12-07 | 2017-05-24 | 广东电网有限责任公司湛江供电局 | Method and system for implementing power failure judgement of 10kV branch line |
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| CN108259195B (en) * | 2016-12-28 | 2021-07-09 | 阿里巴巴集团控股有限公司 | Method and system for determining influence range of abnormal event |
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| CN116626540A (en) * | 2023-07-25 | 2023-08-22 | 国网山东省电力公司莱芜供电公司 | Method, system, terminal and storage medium for judging broken line fault interval |
| CN116626540B (en) * | 2023-07-25 | 2023-10-13 | 国网山东省电力公司莱芜供电公司 | Method, system, terminal and storage medium for judging broken line fault interval |
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