CN103427417A - Power distribution network fault processing method based on multi-source information fusion - Google Patents
Power distribution network fault processing method based on multi-source information fusion Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention discloses a power distribution network fault processing method based on multi-source information fusion. The method includes five steps of 1) multi-source information searching, 2) fault data information collection, 3) fault model matching, 4) fault location and 5) fault processing. According to the method, a fault source is located by means of multi-source information collection and information matching, then fault processing and disclosing are conducted, the specific fault source can be accurately and timely located when operation faults of a power distribution network occur, corresponding processing is conducted, an auxiliary decision making function is provided for first-aid repairing and management of the faults, automation building of the power distribution network can be promoted quickly, and good application prospects are obtained.
Description
Technical field
The present invention relates to the intelligent grid technical field, be specifically related to a kind of distribution network failure processing method based on Multi-source Information Fusion.
Background technology
In recent years before, State Grid Corporation of China has formally announced " strong intelligent grid " plan to external world, and in personages of various circles of society's presence and cooperation, carried out a large amount of research and practice work in association area, and obtained certain achievement, can say, the intelligent grid construction of China is fully under way.
Distribution automation utilizes modern electronic technology exactly, mechanics of communication, computer and network technology, realize the monitoring under the normal operation of distribution system and accident conditions, protection, the modernization of control and distribution management, along with the high speed development of national economy and going deep into of reform and opening-up, power consumer is more and more higher to the requirement of the quality of power supply and power supply reliability, but voltage fluctuation and power failure in short-term all can cause huge loss, therefore, need to realize in conjunction with electric network reconstruction power distribution automation in power distribution network, to improve the managerial skills of power distribution network, the high-quality electric energy is provided for vast power consumer is continual, feeder automation (FA), as one of important module of distribution automation, it provides effective support means to improving power supply reliability.
Complexity and polytropy due to power distribution network, cause when the power distribution network operation is broken down, be difficult to navigate to accurately and timely the concrete source of trouble, current, a lot of researchers have made deep research for this problem, its basic research method mainly is based in real time monitoring means and the auxiliary system such as SCADA, power information acquisition system, DMS, and the history run failure condition of considering grid equipment, electric network fault factor that the geographical feature based on GIS (trees, job site etc.) may cause and meteorologic factor etc. are also arranged.But the distribution network automated its construction level of China still has much room for improvement; The equipment of electric power system, service data quality also are difficult to reach the degree of practical assist location; Modelling application based on meteorology, nature, social activities does not yet reach practical stage, these factors have caused the difficulty of Distribution Network Failure location very large really, how designing a kind of Fault Locating Method of simple, practical comprehensive multi-source factor, is current distribution network automated construction urgent problem.
Summary of the invention
Technical problem solved by the invention is the equipment that overcomes electric power system, the degree that the service data quality also is difficult to reach practical assist location, and these factors of meteorology, nature, social activities problem of causing the Distribution Network Failure positioning difficulty to increase.Distribution network failure processing method based on Multi-source Information Fusion of the present invention, can be when the power distribution network operation be broken down, navigate to accurately and timely the concrete source of trouble, and make respective handling, for the breakdown repair management provides decision-making function, be conducive to promote fast distribution network automated construction, have a good application prospect.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of distribution network failure processing method based on Multi-source Information Fusion is characterized in that: comprises the following steps,
Step (1) is searched multi-source information
By the DMS power distribution automation management system in power distribution network, power information acquisition system, data source based on the GIS geographic information management system as multi-source information;
Step (2) fault data information
According to different data sources, be equipped with different interface routines, by the mode of service call, the electric network composition fault data information that real-time calling needs, realize sharing of fault data information;
Step (3) fault model coupling
According to from each data source, collecting fault data information, carry out the fault model coupling, find out the source of trouble;
Step (4) fault location
The source of trouble gone out according to the fault model matched and searched, calculate fault point on the distribution transforming supply path by the fault location module;
Step (5) troubleshooting
According to the position of fault point, whether the failure judgement source belongs to distribution network automated management system fault, if belong to distribution network automated management system fault, uses the conventional fault handling process, carries out successively Fault Isolation, troubleshooting; If do not belong to distribution network automated management system fault, carry out the fault message issue, carry out troubleshooting after assessment.
The aforesaid distribution network failure processing method based on Multi-source Information Fusion is characterized in that: the data source of the described DMS power distribution automation of step (1) management system obtains at the normal power supply inquiry under condition according to the distribution transforming list object.
The aforesaid distribution network failure processing method based on Multi-source Information Fusion is characterized in that: the described method of carrying out the fault model coupling of step (3), comprise the following steps,
(1) all distribution transforming object fault data information of power distribution network are managed by group, form a plurality of fault models coupling distribution transforming groups;
(2) each fault model coupling distribution transforming group is monitored the situation of change of corresponding supply path and supply path in real time, stores the device data of the distribution transforming list object in each data source;
(3) the distribution transforming list object device data in the fault data information of step (2) being collected and each data source of storage is done contrast, is associated with the object that reports for repairment in fault model coupling distribution transforming group, finds out the source of trouble.
The aforesaid distribution network failure processing method based on Multi-source Information Fusion, it is characterized in that: the described fault location module of step (4) comprises the Real-Time Monitoring unit based on power network topology, model object unit and the fault verification unit of fault location, the source of trouble that described fault verification unit finds out by step (3), inquire and report object for repairment from the model object unit of fault location, and according to the Real-Time Monitoring unit record based on power network topology report the real-time data message of object for repairment, calculate in real time the fault point on the distribution transforming supply path.
The invention has the beneficial effects as follows: the distribution network failure processing method based on Multi-source Information Fusion of the present invention, collection by multi-source information, information matches is located the source of trouble, then carrying out troubleshooting and issue can be when the power distribution network operation be broken down, can navigate to accurately and timely the concrete source of trouble, and make respective handling, for the breakdown repair management provides decision-making function, be conducive to promote fast distribution network automated construction, have a good application prospect.
The accompanying drawing explanation
Fig. 1 is the flow chart of the distribution network failure processing method based on Multi-source Information Fusion of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
Distribution network failure processing method based on Multi-source Information Fusion of the present invention, collection by multi-source information, information matches is located the source of trouble, and then carrying out troubleshooting and issue can, when the power distribution network operation is broken down, can navigate to the concrete source of trouble accurately and timely, and make respective handling, for the breakdown repair management provides decision-making function, be conducive to promote fast distribution network automated construction, as shown in Figure 1, specifically comprise the following steps
Step (1) is searched multi-source information
By the DMS power distribution automation management system in power distribution network, power information acquisition system, data source based on the GIS geographic information management system as multi-source information, wherein the data source of DMS power distribution automation management system obtains at the normal power supply inquiry under condition according to the distribution transforming list object, be that the distribution transforming list object is inquired about in the scope of not scheduled outage, could be by the distribution transforming list object in DMS power distribution automation management system the data source as multi-source information;
Step (2) fault data information
According to different data sources, be equipped with different interface routines, by the mode (WSDL) of service call, the electric network composition fault data information that real-time calling needs, realize sharing of fault data information;
Step (3) fault model coupling
According to from each data source, collecting fault data information, carry out the fault model coupling, find out the source of trouble, wherein carry out the method for fault model coupling, comprise the following steps,
1) all distribution transforming object fault data information of power distribution network are managed by group, form a plurality of fault models coupling distribution transforming groups;
2) each fault model coupling distribution transforming group is monitored the situation of change of corresponding supply path and supply path in real time, stores the device data of the distribution transforming list object in each data source;
Distribution transforming list object device data in the fault data information of 3) step (2) being collected and each data source of storage is done analysis, contrast, is associated with the object that reports for repairment in fault model coupling distribution transforming group, finds out the source of trouble.
Step (4) fault location
The source of trouble gone out according to the fault model matched and searched, calculate fault point on the distribution transforming supply path by the fault location module, the fault location module comprises the Real-Time Monitoring based on power network topology, model object and three unit of fault verification of fault location, the source of trouble that described fault verification unit finds out by step (3), inquire and report object for repairment from the model object unit of fault location, and according to the Real-Time Monitoring unit record based on power network topology report the real-time data message of object for repairment, calculate in real time the fault point on the distribution transforming supply path.
Step (5) troubleshooting
According to the position of fault point, whether the failure judgement source belongs to distribution network automated management system fault, if belong to distribution network automated management system fault, uses the conventional fault handling process, carries out successively Fault Isolation, troubleshooting; If do not belong to distribution network automated management system fault, carry out the fault message issue, carry out troubleshooting after assessment.
Above demonstration and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. the distribution network failure processing method based on Multi-source Information Fusion is characterized in that: comprises the following steps,
Step (1) is searched multi-source information
By the DMS power distribution automation management system in power distribution network, power information acquisition system, data source based on the GIS geographic information management system as multi-source information;
Step (2) fault data information
According to different data sources, be equipped with different interface routines, by the mode of service call, the electric network composition fault data information that real-time calling needs, realize sharing of fault data information;
Step (3) fault model coupling
According to from each data source, collecting fault data information, carry out the fault model coupling, find out the source of trouble;
Step (4) fault location
The source of trouble gone out according to the fault model matched and searched, calculate fault point on the distribution transforming supply path by the fault location module;
Step (5) troubleshooting
According to the position of fault point, whether the failure judgement source belongs to distribution network automated management system fault, if belong to distribution network automated management system fault, uses the conventional fault handling process, carries out successively Fault Isolation, troubleshooting; If do not belong to distribution network automated management system fault, carry out the fault message issue, carry out troubleshooting after assessment.
2. the distribution network failure processing method based on Multi-source Information Fusion according to claim 1, it is characterized in that: the data source of the described DMS power distribution automation of step (1) management system obtains at the normal power supply inquiry under condition according to the distribution transforming list object.
3. the distribution network failure processing method based on Multi-source Information Fusion according to claim 1 is characterized in that: the described method of carrying out the fault model coupling of step (3), comprise the following steps,
(1) all distribution transforming object fault data information of power distribution network are managed by group, form a plurality of fault models coupling distribution transforming groups;
(2) each fault model coupling distribution transforming group is monitored the situation of change of corresponding supply path and supply path in real time, stores the device data of the distribution transforming list object in each data source;
(3) the distribution transforming list object device data in the fault data information of step (2) being collected and each data source of storage is done contrast, is associated with the object that reports for repairment in fault model coupling distribution transforming group, finds out the source of trouble.
4. the distribution network failure processing method based on Multi-source Information Fusion according to claim 1, it is characterized in that: the described fault location module of step (4) comprises the Real-Time Monitoring unit based on power network topology, model object unit and the fault verification unit of fault location, the source of trouble that described fault verification unit finds out by step (3), inquire and report object for repairment from the model object unit of fault location, and according to the Real-Time Monitoring unit record based on power network topology report the real-time data message of object for repairment, calculate in real time the fault point on the distribution transforming supply path.
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| CN103683511A (en) * | 2013-12-23 | 2014-03-26 | 国家电网公司 | Method and system for processing fault of integrated monitoring platform based on power distribution network |
| CN103714136A (en) * | 2013-12-19 | 2014-04-09 | 国家电网公司 | Method for rapidly locating device in power distribution automation system |
| CN103941158A (en) * | 2014-04-17 | 2014-07-23 | 国家电网公司 | Power distribution network fault diagnosis system and method based on multi-source information |
| CN104393593A (en) * | 2014-11-28 | 2015-03-04 | 国家电网公司 | Method based on three-state data effective fusion |
| CN105093063A (en) * | 2015-08-06 | 2015-11-25 | 国家电网公司 | Online power grid fault diagnosis method based on multisource data characteristic unit combination judgment |
| CN105158647A (en) * | 2015-10-10 | 2015-12-16 | 国家电网公司 | Single station end fault diagnosis and auxiliary decisionmaking method based on power supply monitoring system |
| CN105319482A (en) * | 2015-09-29 | 2016-02-10 | 科大智能科技股份有限公司 | Power distribution network fault diagnosis system and method based on multi-source information fusion |
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| CN111880035A (en) * | 2020-08-06 | 2020-11-03 | 国网四川省电力公司电力科学研究院 | Power distribution network fault monitoring system and method based on multi-source measurement data |
| CN111880035B (en) * | 2020-08-06 | 2022-08-09 | 国网四川省电力公司电力科学研究院 | Power distribution network fault monitoring system and method based on multi-source measurement data |
| CN112467724A (en) * | 2020-11-12 | 2021-03-09 | 广东电网有限责任公司湛江供电局 | Low-voltage distribution network fault studying and judging method |
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