CN103926485B - Power failure event judging method based on electric energy collecting terminal - Google Patents
Power failure event judging method based on electric energy collecting terminal Download PDFInfo
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- CN103926485B CN103926485B CN201410116891.7A CN201410116891A CN103926485B CN 103926485 B CN103926485 B CN 103926485B CN 201410116891 A CN201410116891 A CN 201410116891A CN 103926485 B CN103926485 B CN 103926485B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000007405 data analysis Methods 0.000 claims abstract description 29
- 239000013642 negative control Substances 0.000 claims description 23
- 241001269238 Data Species 0.000 claims description 5
- 238000005457 optimization Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The invention discloses a power failure event judging method based on an electric energy collecting terminal. The electric energy collecting terminal comprises an electric energy data read part, a display part and an electric energy data analysis part. The electric energy data analysis part determines a first reference node according to the positions of nodes of a power grid on-spot load control terminal, determines a second reference node according to the power failure information and assisting information of an initial circuit, and determines a third reference node according to the power failure information and assisting information of a bypass circuit; an optimized node is generated through the second reference node and the third reference node, and used for determining that the on-spot load control terminal can be used continuously when it is read that the on-spot load control terminal is located at a power failure event for the first time. By the power failure event judging method based on the electric energy collecting terminal, power supply reliability counting and failure processing can be carried out conveniently, and the satisfaction degree of power customers is increased.
Description
Technical field
The present invention relates to a kind of power-off event determination methods based on energy collection terminal.
Background technology
Power supply enterprise can be had by systems such as dispatching automations line outage and judges accurately, to the power failure in certain larger power user in circuit or platform district, the main power-off event reported by power load control terminal and Distribution transformer judges at present, but there is the problems such as battery problems, criterion and stability due to negative control and distribution transformer terminals, cause the event reported can often occur wrong report phenomenon, make it cannot be used for accurately judging whether to have a power failure.The present invention utilizes existing inaccurate event information, with terminal called, again analyzes judgement, forms power-off event accurately, and making it can be effective to have a power failure judges and fault handling.
Summary of the invention
The present invention mainly solves power supply enterprise and accurately judges whether large power customers or the distribution transforming of platform district have a power failure and the problem of power failure duration, carry out power supply reliability statistics and fault handling to facilitate, and improves power customer satisfaction.
When the event having a power failure or power on occurs at scene, on-the-spot negative control terminal or Distribution transformer can active reporting corresponding event.In view of various factors such as communication or on-site terminal faults, likely there is wrong report, fail to report situation in the power-off event that on-site terminal reports, the technical solution adopted for the present invention to solve the technical problems mainly comprises two parts, one is diagnosed by event again, solve the situation of power-off event wrong report, two is solve situation about failing to report by power-off event pairing
Technical scheme 1: based on the power-off event determination methods of energy collection terminal, wherein said energy collection terminal includes: energy data reading part, for obtaining the energy data of at least one on-the-spot negative control terminal in electrical network; Display part, for showing these energy datas; And energy data analysis portion, connect described energy data reading part and display part, for judging the initial plant of described on-the-spot negative control terminal according to obtained energy data, and according to described initial plant judge its by-pass line outage information and by the supplementary of described by-pass line and initial plant intersecting chain; Wherein:
Described energy data analysis portion determines first reference mode according to the node location of the on-the-spot negative control terminal of electrical network, second reference mode is determined according to the outage information of described initial plant and supplementary, the 3rd reference mode is determined again according to the outage information of described by-pass line and supplementary, generating one by described second reference mode and the 3rd reference mode and optimize node, continuing to judge to use for reading in first time after described field load terminal is power-off event.
Further, design described energy data reading part with after a Preset Time, read instantaneous three-phase voltage and the current value at described field load terminal node place by described first reference mode.
In one embodiment, design described energy data analysis portion with after cannot correctly obtaining instantaneous three-phase voltage and current value at described energy data reading part, judge described field load terminal generation power-off event.
Described based in the power-off event determination methods of energy collection terminal, design described energy data reading part to judge described on-site terminal generation power-off event by described optimization node.
Further, design described energy data analysis portion correctly to obtain instantaneous three-phase voltage and current value at described energy data reading part and its value is after zero, judge described field load terminal generation power-off event.
Further, design described energy data analysis portion with correctly obtain at described energy data reading part instantaneous three-phase voltage with current value and have in its value one mutually non-vanishing after, judge that described energy data reading part misreads event.
Technical scheme 2: based on the power-off event determination methods of energy collection terminal, wherein said energy collection terminal includes: energy data reading part, for obtaining the energy data of at least one on-the-spot negative control terminal in electrical network; Display part, for showing these energy datas; And energy data analysis portion, connect described energy data reading part and display part, for judging the initial plant of described on-the-spot negative control terminal according to obtained energy data, and according to described initial plant judge its by-pass line outage information and by the supplementary of described by-pass line and initial plant intersecting chain; Comprising step:
The energy data of field load terminal is obtained by energy data reading part;
First reference mode is determined according to the node location of the on-the-spot negative control terminal of electrical network by described energy data analysis portion;
Described energy data analysis portion determines second reference mode according to the outage information of described initial plant and supplementary, and described energy data reading part obtains field load terminal by this first reference mode and whether there is power-off event;
Determine the 3rd reference mode according to the outage information of described by-pass line and supplementary, described energy data reading part obtains instantaneous three-phase voltage and the current value of field load terminal by this second reference mode;
Generate one by described second reference mode and the 3rd reference mode and optimize node, described energy data reading part is optimized node according to this and is judged that whether described instantaneous three-phase voltage and current value are as zero.
In one embodiment, design described energy data analysis portion correctly to obtain instantaneous three-phase voltage and current value at described energy data reading part and its value is after zero, judge described field load terminal generation power-off event.
In one embodiment, design described energy data analysis portion with correctly obtain at described energy data reading part instantaneous three-phase voltage with current value and have in its value one mutually non-vanishing after, judge that described energy data reading part misreads event.
In one embodiment, energy data analysis portion carries out according to described power-off event the event matching operation that has a power failure/power on.
In one embodiment, 1) when not carrying out electric alarm only obtaining power-off event, being judged according to instantaneous three-phase voltage, current data, if there is normal service data, being then judged to be incoming call, using the time point of normal service data as the incoming call moment; 2) do not have a power failure only obtaining incoming call event alarm when, according to incoming call time point forward, find a nearest load point having a normal service data, as power off time point, using the time point closest to a normal data as the power failure moment.
Embodiment
The present invention mainly solves power supply enterprise and accurately judges whether large power customers or the distribution transforming of platform district have a power failure and the problem of power failure duration, carry out power supply reliability statistics and fault handling to facilitate, and improves power customer satisfaction.
When the event having a power failure or power on occurs at scene, on-the-spot negative control terminal or Distribution transformer can active reporting corresponding event.In view of various factors such as communication or on-site terminal faults, likely there is wrong report, fail to report situation in the power-off event that on-site terminal reports, the technical solution adopted for the present invention to solve the technical problems mainly comprises two parts, one is diagnosed by event again, solve the situation of power-off event wrong report, two is solve situation about failing to report by power-off event pairing
Technical scheme 1: based on the power-off event determination methods of energy collection terminal, wherein said energy collection terminal includes: energy data reading part, for obtaining the energy data of at least one on-the-spot negative control terminal in electrical network; Display part, for showing these energy datas; And energy data analysis portion, connect described energy data reading part and display part, for judging the initial plant of described on-the-spot negative control terminal according to obtained energy data, and according to described initial plant judge its by-pass line outage information and by the supplementary of described by-pass line and initial plant intersecting chain; Wherein:
Described energy data analysis portion determines first reference mode according to the node location of the on-the-spot negative control terminal of electrical network, second reference mode is determined according to the outage information of described initial plant and supplementary, the 3rd reference mode is determined again according to the outage information of described by-pass line and supplementary, generating one by described second reference mode and the 3rd reference mode and optimize node, continuing to judge to use for reading in first time after described field load terminal is power-off event.
Further, design described energy data reading part with after a Preset Time, read instantaneous three-phase voltage and the current value at described field load terminal node place by described first reference mode.
In one embodiment, design described energy data analysis portion with after cannot correctly obtaining instantaneous three-phase voltage and current value at described energy data reading part, judge described field load terminal generation power-off event.
Described based in the power-off event determination methods of energy collection terminal, design described energy data reading part to judge described on-site terminal generation power-off event by described optimization node.
Further, design described energy data analysis portion correctly to obtain instantaneous three-phase voltage and current value at described energy data reading part and its value is after zero, judge described field load terminal generation power-off event.
Further, design described energy data analysis portion with correctly obtain at described energy data reading part instantaneous three-phase voltage with current value and have in its value one mutually non-vanishing after, judge that described energy data reading part misreads event.
Technical scheme 2: based on the power-off event determination methods of energy collection terminal, wherein said energy collection terminal includes: energy data reading part, for obtaining the energy data of at least one on-the-spot negative control terminal in electrical network; Display part, for showing these energy datas; And energy data analysis portion, connect described energy data reading part and display part, for judging the initial plant of described on-the-spot negative control terminal according to obtained energy data, and according to described initial plant judge its by-pass line outage information and by the supplementary of described by-pass line and initial plant intersecting chain; Comprising step:
The energy data of field load terminal is obtained by energy data reading part;
First reference mode is determined according to the node location of the on-the-spot negative control terminal of electrical network by described energy data analysis portion;
Described energy data analysis portion determines second reference mode according to the outage information of described initial plant and supplementary, and described energy data reading part obtains field load terminal by this first reference mode and whether there is power-off event;
Determine the 3rd reference mode according to the outage information of described by-pass line and supplementary, described energy data reading part obtains instantaneous three-phase voltage and the current value of field load terminal by this second reference mode;
Generate one by described second reference mode and the 3rd reference mode and optimize node, described energy data reading part is optimized node according to this and is judged that whether described instantaneous three-phase voltage and current value are as zero.
In one embodiment, design described energy data analysis portion correctly to obtain instantaneous three-phase voltage and current value at described energy data reading part and its value is after zero, judge described field load terminal generation power-off event.
In one embodiment, design described energy data analysis portion with correctly obtain at described energy data reading part instantaneous three-phase voltage with current value and have in its value one mutually non-vanishing after, judge that described energy data reading part misreads event.
In one embodiment, energy data analysis portion carries out according to described power-off event the event matching operation that has a power failure/power on.
In one embodiment, 1) when not carrying out electric alarm only obtaining power-off event, being judged according to instantaneous three-phase voltage, current data, if there is normal service data, being then judged to be incoming call, using the time point of normal service data as the incoming call moment; 2) do not have a power failure only obtaining incoming call event alarm when, according to incoming call time point forward, find a nearest load point having a normal service data, as power off time point, using the time point closest to a normal data as the power failure moment.
Claims (5)
1. based on the power-off event determination methods of energy collection terminal, it is characterized in that described energy collection terminal includes: energy data reading part, for obtaining the energy data of at least one on-the-spot negative control terminal in electrical network; Display part, for showing these energy datas; And energy data analysis portion, connect described energy data reading part and display part, for judging the initial plant of described on-the-spot negative control terminal according to obtained energy data, and according to described initial plant judge its by-pass line outage information and by the supplementary of described by-pass line and initial plant intersecting chain; Wherein:
Described energy data analysis portion determines first reference mode according to the node location of the on-the-spot negative control terminal of electrical network, second reference mode is determined according to the outage information of described initial plant and supplementary, the 3rd reference mode is determined again according to the outage information of described by-pass line and supplementary, generating one by described second reference mode and the 3rd reference mode and optimize node, continuing to judge to use for reading in first time after described on-the-spot negative control terminal is power-off event.
2. according to claim 1 based on the power-off event determination methods of energy collection terminal, it is characterized in that: described energy data reading part is with after a Preset Time, instantaneous three-phase voltage and the current value of described on-the-spot negative control terminal Nodes is read by described first reference mode, described energy data analysis portion, with after cannot correctly obtaining instantaneous three-phase voltage and current value at described energy data reading part, judges described on-the-spot negative control terminal generation power-off event.
3. according to claim 1 or 2 based on the power-off event determination methods of energy collection terminal, it is characterized in that: described energy data reading part is to judge described on-the-spot negative control terminal generation power-off event by described optimization node.
4. according to claim 3 based on the power-off event determination methods of energy collection terminal, it is characterized in that: described energy data analysis portion, correctly to obtain instantaneous three-phase voltage and current value at described energy data reading part and its value is after zero, judges described on-the-spot negative control terminal generation power-off event.
5. according to claim 4 based on the power-off event determination methods of energy collection terminal, it is characterized in that: described energy data analysis portion with correctly obtain at described energy data reading part instantaneous three-phase voltage with current value and have in its value one mutually non-vanishing after, judge that described energy data reading part misreads event.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410638448.6A CN104360189B (en) | 2014-03-26 | 2014-03-26 | A kind of grid power blackout event judgment method |
| CN201410116891.7A CN103926485B (en) | 2014-03-26 | 2014-03-26 | Power failure event judging method based on electric energy collecting terminal |
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| CN201410116891.7A CN103926485B (en) | 2014-03-26 | 2014-03-26 | Power failure event judging method based on electric energy collecting terminal |
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| CN201410638448.6A Division CN104360189B (en) | 2014-03-26 | 2014-03-26 | A kind of grid power blackout event judgment method |
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| CN106646057B (en) * | 2016-12-29 | 2019-08-13 | 国网浙江省电力公司湖州供电公司 | Stop active judgment method of sending a telegram in reply |
| CN107045088A (en) * | 2016-12-30 | 2017-08-15 | 国网天津武清供电有限公司 | A kind of supply line's power failure point determination methods |
| CN109274176A (en) * | 2018-10-17 | 2019-01-25 | 杭州海兴电力科技股份有限公司 | Meter power failure period alarm method and system |
| CN109857765A (en) * | 2018-12-18 | 2019-06-07 | 广东电网有限责任公司 | Client's power failure data analysing method and device |
| CN110082618A (en) * | 2019-04-16 | 2019-08-02 | 国网湖南省电力有限公司 | A kind of optimization method of area's power-off event concentrator active reporting |
| CN110807711A (en) * | 2019-10-29 | 2020-02-18 | 南方电网科学研究院有限责任公司 | Power failure identification method based on electric power big data |
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| CN102012467A (en) * | 2009-09-04 | 2011-04-13 | 山东卓尔电气有限公司 | Discrimination system for breakdown failures on mainline or branch line of power grid |
| CN102590711B (en) * | 2012-03-16 | 2014-12-31 | 山西省电力公司太原供电分公司 | Method and device for determining power failure range |
| CN103279895A (en) * | 2013-04-27 | 2013-09-04 | 广东电网公司佛山供电局 | Method and system for monitoring power failure |
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Owner name: HUZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG Free format text: FORMER OWNER: HUZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER COMPANY Effective date: 20150106 |
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Effective date of registration: 20150106 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Huzhou Power Supply Company of State Grid Zhejiang Electric Power Company Patentee after: HUZHOU ELECTRIC POWER DESIGN INSTITUTE CO., LTD. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Huzhou Power Supply Company of State Grid Zhejiang Electric Power Company |