CN104133148A - Study and judgment method for power failure of distribution network - Google Patents
Study and judgment method for power failure of distribution network Download PDFInfo
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- CN104133148A CN104133148A CN201410412108.1A CN201410412108A CN104133148A CN 104133148 A CN104133148 A CN 104133148A CN 201410412108 A CN201410412108 A CN 201410412108A CN 104133148 A CN104133148 A CN 104133148A
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Abstract
The invention discloses a study and judgment method for the power failure of a distribution network. According to the study and judgment method, with a power grid topological structure as the basis and repair request information as the assistance, a possible failure source is located in real time through a power grid equipment topological structure model according to a practical distribution network real-time failure locating method based on the repair request information, wherein the power grid equipment topological structure model is obtained through analysis of a universal information model. By analyzing the operating status of power supply equipment at a repair request point, rapid diagnosis of the equipment failure is achieved. By means of the study and judgment method, it is not needed to spend great energy in building an expert knowledge base, and diagnosis is rapid and effective. The method is high in university and flexible, and can adapt to a new power grid equipment topological structure model quickly when the structure and protection configuration of an electric system change.
Description
Technical field
The invention belongs to electric power network technical field, relate in particular to a kind of analysis method of distribution power failure.
Background technology
At present the method for Fault Diagnosis of Distribution Network mainly contains the method for method based on optimizing, Artificial Neural Network, expert system.The typical case application of expert system in power transmission network fault diagnosis is the system based on generation rule.Although expert system application at present is comparatively successful, still has in actual applications many defects:
1 electric system is a huge and complicated system, wants to obtain complete knowledge base more difficult;
2 in the situation that having a large amount of failure message, and expert system just can be reached a conclusion will search for rule set certain in coupling knowledge base in the time of reasoning after, and therefore in the time of reasoning, speed is very slow;
3 in the time of NETWORK STRUCTURE PRESERVING POWER SYSTEM and protection configuration change, and the maintenance of knowledge base is difficulty quite.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of analysis method of distribution power failure, is intended to solve complicated operation, the difficult in maintenance and inefficient problem that existing electric network failure diagnosis method exists.
The embodiment of the present invention is achieved in that the method that this distribution power failure is studied and judged comprises the following steps:
Step 1, the grid equipment topological model obtaining by Common Information Model analysis obtains the supply transformer information of reporting for repairment a little, comprises the unique coding of transformer title and transformer;
Step 2, analyzes general information topological model, obtains the scope that current planning has a power failure, and comprises the information such as power failure equipments title, the unique coding of equipment;
Step 3, whether the transformer of determining step two comprises the transformer obtaining in step 1, comprises that to be in step 2 certain transformer consistent with the unique coding of the transformer obtaining in step 1; Comprise and enter step 4; Do not comprise and enter step 5;
Step 4, current power failure, for affected by known scheduled outage, stops;
Step 5, analyzes general information topological model, obtains the scope that current known fault has a power failure, and comprises the information such as power failure equipments title, the unique coding of equipment;
Step 6, whether the transformer of determining step five comprises the transformer obtaining in step 1, comprises that to be in step 5 certain transformer consistent with the unique coding of the transformer obtaining in step 1; Comprise and enter step 7; Do not comprise and enter step 8;
Step 7, current power failure affects for had a power failure by known fault, stops;
Step 8, analyzes general information topological model, obtain report for repairment user's table meter, with report for repairment user on the same group user table meter, with report for repairment user face organize user table meter, report the table meter of customer power supply transformer for repairment.
Step 9, analyzes general information topological model, obtain current with report user for repairment on the same group or with all fault outages of supply transformer;
Step 10, calls successively the table meter of surveying in step 8 together and judges the fault outage in its whether charged and statistic procedure nine; In step 8, report that user's table meter is charged or to report user's table meter for repairment not charged but charged with user's on the same group table meter for repairment, enter step 11; In step 8, report for repairment user and with report for repairment user on the same group user table meter all not charged but with report user for repairment and face that to organize user's table meter charged, or in step 9, have many fault outages and report user for repairment and belong to same transformer and on the same group, enter step 12; In step 8, report for repairment user, with report user for repairment on the same group and with report user for repairment and face that to organize user's table meter all not charged, but the table meter of supply transformer is charged, or in step 9, there are many fault outages and report user for repairment belong to same transformer but do not belong on the same group, enter step 13; In step 8, report for repairment user, with report for repairment user on the same group user, with report user for repairment and face group user and report the table meter of customer power supply transformer for repairment all not charged, or in step 9, there are many fault outages and report user for repairment belong to same transformer but do not belong on the same group, enter step 14;
Step 11, current power failure may, for reporting user's single household power-off fault for repairment, stop;
Step 12, current power failure may collect power-off fault for reporting user's affiliated table case or user for repairment, stops;
Step 13, current power failure may, for reporting the affiliated feeder pillar power-off fault of user for repairment, stop;
Step 14, current power failure may, for reporting the affiliated transformer power-off fault of user for repairment, stop;
The method that distribution power failure provided by the invention is studied and judged, the grid equipment topological structure model that utilizes Common Information Model analysis to obtain, analysis of failure reports a power-supply unit equipment running status for repairment, has realized the quick diagnosis of equipment failure.
The present invention compared with the conventional method, has advantages of following:
1, do not need to spend a large amount of experience and set up expert knowledge library;
2, diagnosis fast effectively;
3, highly versatile, versatile and flexible, in the time of NETWORK STRUCTURE PRESERVING POWER SYSTEM and protection configuration change, can adapt to soon new grid equipment topological structure model.
Brief description of the drawings
Fig. 1 is analysis method process flow diagram of the present invention;
Fig. 2 is the analysis method process flow diagram that the embodiment of the present invention 1 provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figure 1, the method that the distribution power failure of the embodiment of the present invention is studied and judged comprises the following steps:
S101: the grid equipment topological model obtaining by Common Information Model analysis obtains the supply transformer information of reporting for repairment a little, comprises the unique coding of transformer title and transformer;
S102: analyze general information topological model, obtain the scope that current planning has a power failure, comprise the information such as power failure equipments title, the unique coding of equipment;
S103: whether the equipment that judges S102 comprises the equipment obtaining in S101, comprises that to be in S102 certain transformer consistent with the unique coding of the transformer obtaining in S101; Comprise and enter S104; Do not comprise and enter S105;
S104: current power failure, for affected by known scheduled outage, stops;
S105: analyze general information topological model, obtain the scope that current known fault has a power failure, comprise the information such as power failure equipments title, the unique coding of equipment;
S106: whether the equipment that judges S105 comprises the equipment obtaining in S101, comprises that to be in S105 certain transformer consistent with the unique coding of the transformer obtaining in S101; Comprise and enter S107; Do not comprise and enter S108;
S107: current power failure affects for had a power failure by known fault, stops;
S108, analyzes general information topological model, obtain report for repairment user's table meter, with report for repairment user on the same group user table meter, with report for repairment user face organize user table meter, report the table meter of customer power supply transformer for repairment.
S109, analyzes general information topological model, obtain current with report user for repairment on the same group or with all fault outages of supply transformer;
S110, calls successively the table meter of surveying in S108 together and judges that whether it is charged and add up the fault outage in S109; In S108, report that user's table meter is charged or to report user's table meter for repairment not charged but charged with user's on the same group table meter for repairment, enter S111; In S108, report for repairment user and with report for repairment user on the same group user table meter all not charged but with report user for repairment and face that to organize user's table meter charged, or in S109, have many fault outages and report user for repairment and belong to same transformer and on the same group, enter S112; In S108, report for repairment user, with report user for repairment on the same group and with report user for repairment and face that organize user's table meter all not charged, but the table meter of supply transformer is charged, or in S109, has many fault outages and report user for repairment and belong to same transformer but do not belong on the same group, enters S113; In S108, report for repairment user, with report for repairment user on the same group user, with report user for repairment and face group user and report the table meter of customer power supply transformer for repairment all not charged, or in S109, have many fault outages and report user for repairment and belong to same transformer but do not belong on the same group, enter S114;
S111, current power failure may, for reporting user's single household power-off fault for repairment, stop;
S112, current power failure may collect power-off fault for reporting user's affiliated table case or user for repairment, stops;
S113, current power failure may, for reporting the affiliated feeder pillar power-off fault of user for repairment, stop;
S114, current power failure may, for reporting the affiliated transformer power-off fault of user for repairment, stop;
Specific embodiments of the invention:
Embodiment 1:
Step 1, determines troublshooting point;
Step 2, the grid equipment topological model obtaining by Common Information Model analysis obtains the supply transformer reporting for repairment a little;
Step 3, analyzes general information topological model, obtains the scope that current planning has a power failure, and comprises the information such as power failure equipments title, the unique coding of equipment;
Step 4, whether the equipment of determining step three comprises the equipment obtaining in step 2, comprises that to be in step 3 certain transformer consistent with the unique coding of the transformer obtaining in step 2; Comprise and enter step 5; Do not comprise and enter step 6;
Step 5, current power failure, for affected by known scheduled outage, goes to step 16, and program stops;
Step 6, analyzes general information topological model, obtains the scope that current known fault has a power failure, and comprises the information such as power failure equipments title, the unique coding of equipment;
Step 7, whether the equipment of determining step six comprises the equipment obtaining in step 2, comprises that to be in step 6 certain transformer consistent with the unique coding of the transformer obtaining in step 2; Comprise and enter step 8; Do not comprise and enter step 9;
Step 8, current power failure affects for had a power failure by known fault, goes to step 16, and program stops;
Step 9, analyzes general information topological model, obtain report for repairment user's table meter, with report for repairment user on the same group user table meter, with report for repairment user face organize user table meter, report the table meter of customer power supply transformer for repairment.
Step 10, analyzes general information topological model, obtain current with report user for repairment on the same group or with all fault outages of supply transformer;
Step 11, calls successively the table meter of surveying in step 9 together and judges the fault outage in its whether charged and statistic procedure ten; In step 9, report that user's table meter is charged or to report user's table meter for repairment not charged but charged with user's on the same group table meter for repairment, enter step 12; In step 9, report for repairment user and with report for repairment user on the same group user table meter all not charged but with report user for repairment and face that to organize user's table meter charged, or in step 10, have many fault outages and report user for repairment and belong to same transformer and on the same group, enter step 13; In step 9, report for repairment user, with report user for repairment on the same group and with report user for repairment and face that to organize user's table meter all not charged, but the table meter of supply transformer is charged, or in step 10, there are many fault outages and report user for repairment belong to same transformer but do not belong on the same group, enter step 14; In step 9, report for repairment user, with report for repairment user on the same group user, with report user for repairment and face group user and report the table meter of customer power supply transformer for repairment all not charged, or in step 10, there are many fault outages and report user for repairment belong to same transformer but do not belong on the same group, enter step 15;
Step 12, current power failure may, for reporting user's single household power-off fault for repairment, go to step 16, and program stops;
Step 13, current power failure may collect power-off fault for reporting user's affiliated table case or user for repairment, goes to step 16, and program stops;
Step 14, current power failure may, for reporting the affiliated feeder pillar power-off fault of user for repairment, go to step 16, and program stops;
Step 15, current power failure may, for reporting the affiliated transformer power-off fault of user for repairment, go to step 16, and program stops;
Step 10 six, program stops.
Distribution power failure diagnosis new method of the present invention does not need to spend a large amount of experience and sets up expert knowledge library; Diagnosis fast effectively; Highly versatile, versatile and flexible, in the time of NETWORK STRUCTURE PRESERVING POWER SYSTEM and protection configuration change, can adapt to fast new grid equipment topological structure model.
Although disclose for the purpose of illustration embodiments of the invention and accompanying drawing, but it will be appreciated by those skilled in the art that: not departing from the spirit and scope of the present invention and claims, various replacements, variation and amendment are all possible, therefore, scope of the present invention is not limited to embodiment and the disclosed content of accompanying drawing.
Claims (1)
1. an analysis method for distribution power failure, is characterized in that, the method that this distribution power failure is studied and judged comprises the following steps:
Step 1, the grid equipment topological model obtaining by Common Information Model analysis obtains the supply transformer information of reporting for repairment a little, comprises the unique coding of transformer title and transformer;
Step 2, analyzes general information topological model, obtains the scope that current planning has a power failure, and comprises the information such as power failure equipments title, the unique coding of equipment;
Step 3, whether the transformer of determining step two comprises the transformer obtaining in step 1, comprises that to be in step 2 certain transformer consistent with the unique coding of the transformer obtaining in step 1; Comprise and enter step 4; Do not comprise and enter step 5;
Step 4, current power failure, for affected by known scheduled outage, stops;
Step 5, analyzes general information topological model, obtains the scope that current known fault has a power failure, and comprises the information such as power failure equipments title, the unique coding of equipment;
Step 6, whether the transformer of determining step five comprises the transformer obtaining in step 1, comprises that to be in step 5 certain transformer consistent with the unique coding of the transformer obtaining in step 1; Comprise and enter step 7; Do not comprise and enter step 8;
Step 7, current power failure affects for had a power failure by known fault, stops;
Step 8, analyzes general information topological model, obtain report for repairment user's table meter, with report for repairment user on the same group user table meter, with report for repairment user face organize user table meter, report the table meter of customer power supply transformer for repairment.
Step 9, analyzes general information topological model, obtain current with report user for repairment on the same group or with all fault outages of supply transformer;
Step 10, calls successively the table meter of surveying in step 8 together and judges the fault outage in its whether charged and statistic procedure nine; In step 8, report that user's table meter is charged or to report user's table meter for repairment not charged but charged with user's on the same group table meter for repairment, enter step 11; In step 8, report for repairment user and with report for repairment user on the same group user table meter all not charged but with report user for repairment and face that to organize user's table meter charged, or in step 9, have many fault outages and report user for repairment and belong to same transformer and on the same group, enter step 12; In step 8, report for repairment user, with report user for repairment on the same group and with report user for repairment and face that to organize user's table meter all not charged, but the table meter of supply transformer is charged, or in step 9, there are many fault outages and report user for repairment belong to same transformer but do not belong on the same group, enter step 13; In step 8, report for repairment user, with report for repairment user on the same group user, with report user for repairment and face group user and report the table meter of customer power supply transformer for repairment all not charged, or in step 9, there are many fault outages and report user for repairment belong to same transformer but do not belong on the same group, enter step 14;
Step 11, current power failure may, for reporting user's single household power-off fault for repairment, stop;
Step 12, current power failure may collect power-off fault for reporting user's affiliated table case or user for repairment, stops;
Step 13, current power failure may, for reporting the affiliated feeder pillar power-off fault of user for repairment, stop;
Step 14, current power failure may, for reporting the affiliated transformer power-off fault of user for repairment, stop.
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| CN104678258A (en) * | 2015-02-27 | 2015-06-03 | 国家电网公司 | Method for actively studying and judging power distribution network fault based on public/specific transformer information |
| CN105158636A (en) * | 2015-07-31 | 2015-12-16 | 国网四川省电力公司 | Automatic faulty background studying and judging method based on marketing and distribution data run-through |
| CN105207121A (en) * | 2015-09-23 | 2015-12-30 | 国家电网公司 | Power distribution network fault emergency maintenance method based on topology analysis |
| CN105427039A (en) * | 2015-05-22 | 2016-03-23 | 国网青海省电力公司西宁供电公司 | Efficient processing method of distribution network repair work orders based on responsibility areas |
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| CN110635477A (en) * | 2019-09-30 | 2019-12-31 | 国网宁夏电力有限公司 | Distribution network fault studying and judging method, device and system based on multi-system fusion |
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| CN110018378A (en) * | 2019-05-13 | 2019-07-16 | 国网河北省电力有限公司石家庄供电分公司 | Report the failure analysis method that work order is distributed same overhead transmission line difference transformer for repairment more |
| CN110018378B (en) * | 2019-05-13 | 2021-01-08 | 国网河北省电力有限公司石家庄供电分公司 | Fault studying and judging method for distributing different transformers of same overhead line by multiple repair work orders |
| CN110635477A (en) * | 2019-09-30 | 2019-12-31 | 国网宁夏电力有限公司 | Distribution network fault studying and judging method, device and system based on multi-system fusion |
| CN113625082A (en) * | 2021-08-06 | 2021-11-09 | 国网宁夏电力有限公司 | Power distribution network equipment fault studying and judging method based on machine learning algorithm model |
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