CN104678258A - Method for actively studying and judging power distribution network fault based on public/specific transformer information - Google Patents
Method for actively studying and judging power distribution network fault based on public/specific transformer information Download PDFInfo
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Abstract
The invention relates to a method for actively studying and judging power distribution network faults based on public/specific transformer information, and belongs to the field of power distribution automation of power systems. The method comprises the following steps: establishing memory topology of primary equipment of a power distribution network by using a power distribution network topology model through a power distribution automation host station system, and recording historical topology relationship before the equipment is powered off; acquiring relevant information through the power distribution automation host station system, and directly transmitting a distribution transformer measuring instruction through a power distribution host station; when a feeder line of the power distribution network has faults and the power is cut off, triggering active studying and judgment calculation through the power distribution host station according to the power-off event; confirming distribution transformer range and trip equipment which causes power off at the moment according to the study and the judgment of the designed logic algorithm; enabling a power distribution automation host station system to interact with a GPMS system, processing by a scheduling operator, performing power-off information issuing operation on the power distribution host station system directly, and synchronously updating the work order state of processing of the GMPS system to the power distribution host station system. Due to application of the active studying and judging method, the scheduling operator can be rapidly prompted in time and the power-off range and the trip equipment can be provided before power-off users request for repair, the activeness and the intelligence in the power-off rush repairing process are improved, and the power distribution rush repair working efficiency is greatly improved.
Description
Technical field
The invention belongs to electric power system power distribution automatic field, relate to and a kind ofly specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging.
Background technology
Along with the continuous propelling of system for distribution network of power system Construction and practical function thereof, more and more higher requirement is proposed to distribution scheduling and repairing work, especially a lot of examination property index is proposed to the promptness of power-off fault process, accuracy.
Mainly for distribution network automated blind area, traditional auxiliary tone mode of operation generally: power-off event is circulated a notice of to yardman by user by modes such as phone report for repairment, and yardman determines power failure range according to the user reported for repairment; Yardman's Main Basis experience or manually have access to simultaneously and carry out reference by the information of multiple related systems such as adopting, the trip device that artificial judgment is possible; In GPMS system, carry out outage information issue again, issue repairing and singly instruct power failure repairing work.Like this, the hysteresis quality causing not in time and power-off event is judged can be reported for repairment on the one hand due to user, the scope reported for repairment due to user is on the other hand incomplete, causes the inaccuracy judged trip device, also likely causes to issue for same power failure and repeatedly rushes to repair single situation.Therefore a kind of effective initiatively analysis method is needed badly for distribution network failure, the data message fully utilizing multiple system carries out studying and judging analysis, accurate location trip device and power failure range thereof, carry out outage information issue timely, be increased in initiative in power failure repairing process and intelligent, improve to join and rob work efficiency.
Below the explanation of some specific terms used in literary composition:
Call survey together: the calling of the data for the distribution transforming order that distribution main station system or power information acquisition system issue, be finally handed down to terminal by power information acquisition system, terminal response is called survey together and is ordered and the measuring value such as voltage, electric current returning current distribution transforming.In this, as the current foundation whether had a power failure of distribution transforming.
Near-realtime data: refer to that 15 minutes are given whole distribution transforming measuring values of distribution main station system at power information acquisition system interval.Survey data with current calling together to be combined, as judging the foundation whether distribution transforming has just had a power failure.
Summary of the invention
The object of the invention is traditional FEEDER AUTOMATION cannot to be used to carry out monitoring analysis impact for distribution network automated blind area and join the problem of robbing work efficiency, propose and a kind ofly specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging, when realizing feeder line occurs power-off fault, power distribution automation main station system can active analysis, quick position trip device and power failure range, and issues outage information in time.
The present invention adopts following scheme to realize: a kind ofly specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging, and it is characterized in that, the method comprises:
1) power distribution automation main station system is by power distribution network topological model, sets up the internal memory topology of power distribution network primary equipment; And the topological relation before recording unit power failure;
2) power distribution automation main station system and power information acquisition system are carried out alternately, obtain public affairs and specially become power-off event, near-realtime data, call survey data together; Distribution main website directly issues distribution transforming and calls survey order together;
3) when distribution network feeder break down cause power failure time, distribution main station system according to power-off event trigger initiatively study and judge calculating, according to design logical algorithm study and judge the distribution transforming scope drawing power failure and the trip device causing power failure;
Concrete analytics is:
Power information acquisition system receive its terminal send public affairs specially become power-off event after be initiatively forwarded to distribution main station system, the whole distribution transformings of distribution main station system to this feeder line issue calls together survey order to power information acquisition system;
Distribution main website surveys return data according to calling together of distribution transforming, power-off event, near-realtime data judge the distribution transforming scope that has a power failure;
To the distribution transforming had a power failure analyze one by one its have a power failure before supply path, its associate device the historical topology relation of service area; By supposing its fault to equipment one by one and analyze the iterative computation mode of its power failure range, study and judge the trip device and power failure range that draw and cause fault;
4) power distribution automation main station system and GPMS system are carried out alternately, and yardman, to after the results verification initiatively studied and judged or editor, directly carries out outage information at distribution main station system and issues operation; The work order state synchronized of GMPS system process is updated to distribution main station system.
In an embodiment of the present invention, in described step 1), the model of establishment meets following main points: contain all devices of distribution network system and the topological connection relation between correct these equipment of description; And the historical topology relation before recording unit power failure.
In an embodiment of the present invention, described step 2) in, distribution transforming power-off event delivers to distribution main website by power information acquisition system in time; Power information acquisition system is the upper near-realtime data become of providing and delivering initiatively; Distribution main website directly issues calling together of distribution transforming and surveys order to power information acquisition system, and power information acquisition system receives calling together to survey to forward in time after return data again and delivering to distribution main station system of terminal.
In an embodiment of the present invention, in described step 3), at topological model correct and with adopting on the normal basis of interactive interface, before distribution main station system is called together according to distribution transforming and surveyed data, power-off event, near-realtime data, equipment have a power failure, historical topology information can study and judge location trip device and power failure range.
In an embodiment of the present invention, in described step 4), in distribution main website and the normal basis of GPMS system interaction interface, directly carry out outage information in distribution system and issue operation, and real-time update work order state.
In an embodiment of the present invention, in described step 5), power distribution automation main station system supports multithreading, and is called computing method by multithreading, processes while supporting multipoint fault.
Feature of the present invention:
The present invention relates to and a kind ofly specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging.The method by power distribution network topological model, sets up the internal memory topology of power distribution network primary equipment in power distribution automation main station system, and the historical topology relation before recording unit power failure; When feeder line occurring have a power failure, distribution main station system carries out initiatively studying and judging analysis to feeder line, utilizes with the power-off event of power information acquisition system interactive operation, calls together and survey data, near-realtime data, in conjunction with historical topology relation, and quick position trip device and power failure range; Distribution main station system and GPMS system interaction operate, and directly carry out outage information issue operation to studying and judging result.
Method tool of the present invention has the following advantages:
1, the power distribution network topological model of the power distribution automation main station system built up can be utilized, do not need repetition modeling, greatly can reduce investment and maintenance cost.
2, the method improves the comprehensive utilization of data by integrated for the partial data of power information acquisition system, GPMS system to distribution main station system, for the active analysis introducing robotization provides basic data; Call the multinomial business effective integration such as survey, outage information issue together to distribution main station system, reduce the troublesome operation of personnel between multiple system.
3, the method is applicable to the construction situation of all kinds of distribution automation system, especially to distribution network automated blind area, also can complete localization of fault, power failure range analysis.
4, support that multithreading calls, the fault of many different feeder lines can be processed simultaneously.
The present invention proposes a kind ofly specially to become based on public affairs the method that information carries out distribution network failure initiatively studying and judging, and shown by practical application, described method is correctly effective, can greatly improve distribution scheduling and join and rob work efficiency.
Accompanying drawing explanation
Fig. 1 is the inventive method schematic flow sheet.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here to implement with multiple, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention.Therefore the present invention is not by the restriction of following public embodiment.
As shown in Figure 1, the present embodiment provides a kind of and specially becomes based on public affairs the method that information carries out distribution network failure initiatively studying and judging, and the method comprises:
1) power distribution automation main station system is by power distribution network topological model, sets up the internal memory topology of power distribution network primary equipment; And the topological relation before recording unit power failure.
2) power distribution automation main station system and power information acquisition system are carried out alternately, obtain public affairs and specially become power-off event, near-realtime data, call relevant informations such as surveying data together; Distribution main website directly issues distribution transforming and calls survey order together.
3) when distribution network feeder break down cause power failure time, distribution main station system according to power-off event trigger initiatively study and judge calculating, according to design logical algorithm study and judge the distribution transforming scope drawing power failure (just having a power failure) and the trip device causing power failure.
Concrete analytics is:
Power information acquisition system receive its terminal send public affairs specially become power-off event after be initiatively forwarded to distribution main station system, the whole distribution transformings of distribution main station system to this feeder line issue calls together survey order to power information acquisition system.
Distribution main website surveys the information such as return data, power-off event, near-realtime data to judge to have a power failure the distribution transforming scope of (just having a power failure) according to calling together of distribution transforming.
To the distribution transforming of (just having a power failure) of having a power failure analyze one by one its have a power failure before supply path, its associate device the historical topology relation such as service area; By supposing its fault to equipment one by one and analyze the iterative computation mode of its power failure range, study and judge the trip device and power failure range that draw and cause fault.
4) power distribution automation main station system and GPMS system are carried out alternately, and yardman, to after the results verification initiatively studied and judged or editor, directly carries out outage information at distribution main station system and issues operation; The work order state synchronized of GMPS system process is updated to distribution main station system.
In an embodiment of the present invention, in described step 1), the model of establishment meets following main points: contain all devices of distribution network system and the topological connection relation between correct these equipment of description; And the historical topology relation before recording unit power failure.Described step 2) in, distribution transforming power-off event delivers to distribution main website by power information acquisition system in time; Power information acquisition system is the upper near-realtime data become of providing and delivering initiatively; Distribution main website directly issues calling together of distribution transforming and surveys order to power information acquisition system, and power information acquisition system receives calling together to survey to forward in time after return data again and delivering to distribution main station system of terminal.
In an embodiment of the present invention, in described step 3), at topological model correct and with adopting on the normal basis of interactive interface, before distribution main station system is called together according to distribution transforming and surveyed data, power-off event, near-realtime data, equipment have a power failure, historical topology information can study and judge location trip device and power failure range.
In an embodiment of the present invention, in described step 4), in distribution main website and the normal basis of GPMS system interaction interface, directly carry out outage information in distribution system and issue operation, and real-time update work order state.
In an embodiment of the present invention, in described step 5), power distribution automation main station system supports multithreading, and is called computing method by multithreading, processes while supporting multipoint fault.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging, it is characterized in that, the method comprises:
1) power distribution automation main station system is by power distribution network topological model, sets up the internal memory topology of power distribution network primary equipment; And the topological relation before recording unit power failure;
2) power distribution automation main station system and power information acquisition system are carried out alternately, obtain public affairs and specially become power-off event, near-realtime data, call survey data together; Distribution main website directly issues distribution transforming and calls survey order together;
3) when distribution network feeder break down cause power failure time, distribution main station system according to power-off event trigger initiatively study and judge calculating, according to design logical algorithm study and judge the distribution transforming scope drawing power failure and the trip device causing power failure;
Concrete analytics is:
Power information acquisition system receive its terminal send public affairs specially become power-off event after be initiatively forwarded to distribution main station system, the whole distribution transformings of distribution main station system to this feeder line issue calls together survey order to power information acquisition system;
Distribution main website surveys return data according to calling together of distribution transforming, power-off event, near-realtime data judge the distribution transforming scope that has a power failure;
To the distribution transforming had a power failure analyze one by one its have a power failure before supply path, its associate device the historical topology relation of service area; By supposing its fault to equipment one by one and analyze the iterative computation mode of its power failure range, study and judge the trip device and power failure range that draw and cause fault;
4) power distribution automation main station system and GPMS system are carried out alternately, and yardman, to after the results verification initiatively studied and judged or editor, directly carries out outage information at distribution main station system and issues operation; The work order state synchronized of GMPS system process is updated to distribution main station system.
2. specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging as claimed in claim 1, it is characterized in that, in described step 1), the model of establishment meets following main points: contain all devices of distribution network system and the topological connection relation between correct these equipment of description; And the historical topology relation before recording unit power failure.
3. specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging as claimed in claim 1, it is characterized in that, described step 2) in, distribution transforming power-off event delivers to distribution main website by power information acquisition system in time; Power information acquisition system is the upper near-realtime data become of providing and delivering initiatively; Distribution main website directly issues calling together of distribution transforming and surveys order to power information acquisition system, and power information acquisition system receives calling together to survey to forward in time after return data again and delivering to distribution main station system of terminal.
4. specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging as claimed in claim 1, it is characterized in that, in described step 3), at topological model correct and with adopting on the normal basis of interactive interface, before distribution main station system is called together according to distribution transforming and surveyed data, power-off event, near-realtime data, equipment have a power failure, historical topology information can study and judge location trip device and power failure range.
5. specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging as claimed in claim 1, it is characterized in that, in described step 4), in distribution main website and the normal basis of GPMS system interaction interface, directly carry out outage information in distribution system and issue operation, and real-time update work order state.
6. specially become based on public affairs the method that information carries out distribution network failure initiatively studying and judging as claimed in claim 1, it is characterized in that, in described step 5), power distribution automation main station system supports multithreading, and by multithreading, computing method are called, process while multipoint fault being supported.
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| CN105606957A (en) * | 2015-12-23 | 2016-05-25 | 国网福建省电力有限公司 | Grid fault research and judge method based on fault indicator and public/specific transformer |
| CN105891677A (en) * | 2016-04-12 | 2016-08-24 | 国网浙江杭州市富阳区供电公司 | Power grid fault detection system based on power grid big data quality standardization |
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| CN106124935A (en) * | 2016-07-18 | 2016-11-16 | 国网河南省电力公司电力科学研究院 | Middle and low voltage network Fault Locating Method |
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| CN105606957A (en) * | 2015-12-23 | 2016-05-25 | 国网福建省电力有限公司 | Grid fault research and judge method based on fault indicator and public/specific transformer |
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| CN107727979A (en) * | 2017-11-21 | 2018-02-23 | 国网福建省电力有限公司 | A kind of failure based on distribution main website studies and judges optimization method |
| CN107727979B (en) * | 2017-11-21 | 2020-03-27 | 国网福建省电力有限公司 | Fault study and judgment optimization method based on power distribution main station |
| CN108287294A (en) * | 2018-01-29 | 2018-07-17 | 国网江苏省电力有限公司电力科学研究院 | Distribution network failure region Fast Identification Method based on power failure distribution transforming and topological analysis |
| CN108318782A (en) * | 2018-01-29 | 2018-07-24 | 国网江苏省电力有限公司电力科学研究院 | Distribution network failure domain identification method based on network topology Yu distribution transforming outage information |
| CN108318782B (en) * | 2018-01-29 | 2020-03-10 | 国网江苏省电力有限公司电力科学研究院 | Power distribution network fault area identification method based on network topology and distribution transformer power failure information |
| CN108287294B (en) * | 2018-01-29 | 2020-05-22 | 国网江苏省电力有限公司电力科学研究院 | Power failure distribution transformer and topology analysis based power distribution network fault area rapid identification method |
| CN108628979B (en) * | 2018-04-26 | 2021-02-09 | 广州供电局有限公司 | Power failure record issuing method, system, computer equipment and storage medium |
| CN108628979A (en) * | 2018-04-26 | 2018-10-09 | 广州供电局有限公司 | Power cut record dissemination method, system, computer equipment and storage medium |
| CN110544176A (en) * | 2019-08-12 | 2019-12-06 | 广东电网有限责任公司 | Method for switching failure of distribution transformer voltage loss information backward-pushing switch of OCS (online charging system) master station system |
| CN110568275A (en) * | 2019-09-17 | 2019-12-13 | 国网福建省电力有限公司安溪县供电公司 | open-phase fault studying and judging method and system based on public and private power distribution network variable data |
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| CN110703135A (en) * | 2019-10-18 | 2020-01-17 | 国网福建省电力有限公司 | Full study and judgment method for fault handling of power distribution network |
| CN110703135B (en) * | 2019-10-18 | 2021-10-29 | 国网福建省电力有限公司 | Full study and judgment method for fault handling of power distribution network |
| CN113011999A (en) * | 2021-04-20 | 2021-06-22 | 陕西省地方电力（集团）有限公司宝鸡供电分公司 | Multi-tree model-based rapid implementation method for power distribution automation power failure research and judgment |
| CN114722340A (en) * | 2022-04-19 | 2022-07-08 | 国网四川省电力公司电力科学研究院 | Power distribution network power failure range analysis method |
| CN114722340B (en) * | 2022-04-19 | 2023-04-25 | 国网四川省电力公司电力科学研究院 | Power distribution network power outage range analysis method |
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