CN107370147A - A kind of distribution net topology modification method based on AMI data analyses - Google Patents
A kind of distribution net topology modification method based on AMI data analyses Download PDFInfo
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- CN107370147A CN107370147A CN201710585631.8A CN201710585631A CN107370147A CN 107370147 A CN107370147 A CN 107370147A CN 201710585631 A CN201710585631 A CN 201710585631A CN 107370147 A CN107370147 A CN 107370147A
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- 238000007405 data analysis Methods 0.000 title claims abstract description 18
- 238000002715 modification method Methods 0.000 title claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 31
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 description 2
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- 238000004364 calculation method Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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Abstract
The invention discloses a kind of distribution net topology modification method based on AMI data analyses, comprise the following steps：1) distribution net topology scope to be checked delimited；2) the distribution net topology update the system based on AMI data analyses is built；3) sampled voltage excel forms are formed；4) topological relation excel forms are generated；5) voltage correlation matrix is formed；6) contrast each column element in determination module judgement correlation matrix or whether each row element is respectively less than user and sets boundary；7) the voltage correlation matrix for the electric energy meter that alarming electric energy meter is connected with adjacent transformers is calculated, its topological structure is modified after result of determination meets the requirements；The distribution net topology modification method based on AMI data analyses has following advantage：The correlation matrix between electric energy meter by establishing the same transformer of connection efficiently identifies the electric energy meter for being not belonging to this taiwan area；And the electric energy meter of topological connection relation mistake is modified.
Description
Technical field
The present invention relates to technical field of power systems, more particularly to a kind of distribution net topology based on AMI data analyses is repaiied
Correction method.
Background technology
Advanced measurement system AMI (advanced metering infrastruction) be it is a kind of be used for measuring, collect,
Storage, analysis and the complete network and system with user power utilization information., can be power system with AMI data analyses
Real-time parameter carry out united analysis processing.Some capital equipments of power system all can be recorded and shown in generalized information system.But
Due to reasons such as power equipment transformations, the topological structure in generalized information system may not conform to the actual conditions, therefore explore a kind of power distribution network
The method of topology amendment is very necessary.
The problem of prior art verifies just for distribution net topology lists single electric energy meter and be connected with transformer respectively opens up
Flutter wrong, multiple electric energy meters and transformer in Topology Error, transformer and feeder line phase Topology Error, topological diagram is connected with transformer
The connection error of internal polar wrong, subway transformer and table, but be not matrix voltage dependence Automated generalization.
The content of the invention
It is an object of the invention to provide a kind of distribution net topology modification method based on AMI data analyses.
Therefore, technical solution of the present invention is as follows：
A kind of distribution net topology modification method based on AMI data analyses, comprises the following steps：
1) distribution net topology scope to be checked delimited；
2) the distribution net topology update the system based on AMI data analyses is built, the distribution net topology update the system includes electricity
Can table data acquisition module, GIS topological relations input module, voltage correlation matrix formed module, contrast determination module and
Distribution net topology correcting module；
3) the real-time voltage information of electric energy meter in power distribution network to be checked is read using electric energy meter data acquisition module, and is recorded every
The title of individual electric energy meter and its corresponding sampled value, form sampled voltage excel forms；
4) power network topology for the drawing the line interior generation recorded in generalized information system is opened up using GIS topological relations input module
Flutter relation excel forms；
5) two excel forms of generation in step 3) and step 4) are imported into voltage correlation matrix and forms module
In, and the coefficient correlation between the electric energy meter for connecting same transformer is calculated, form correlation matrix；
6) contrast determination module determination step 5) in each element in correlation matrix whether be more than user and set boundary
Limit, if it is determined that result is "Yes", then shows that topological structure is correct；If it is determined that result is "No", then to should element electric energy meter
Alarmed and entered in next step；
7) correlation matrix for the electric energy meter that alarming electric energy meter is connected with adjacent transformers is calculated, and judges the phase again
Whether relation matrix number, which is more than user, sets boundary, if it is determined that result is "Yes", then its topological structure is modified and will repaiied
Topological structure after just is shown in topological correcting module.
Preferably, described correlation matrix is upper triangular matrix.
Preferably, the method for expressing of the GIS transformer annexations in described step 4) is：It is adjacent to " 1 ", it is non-conterminous
For " 0 ".
Compared with prior art, being somebody's turn to do the distribution net topology modification method based on AMI data analyses has following advantage：1) lead to
Cross the correlation matrix established between the electric energy meter for connecting same transformer and efficiently identify the electric energy for being not belonging to this taiwan area
Table；
2) effectively the electric energy meter of topological connection relation mistake in the GIS of defined area is modified.
Brief description of the drawings
Fig. 1 is the flow chart of the distribution net topology modification method provided by the invention based on AMI data analyses.
Fig. 2 is the topological schematic diagram that scope power distribution network to be checked delimited in embodiment.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described further, but following embodiments are absolutely not to this hair
It is bright to have any restrictions.
Comprise the following steps as shown in figure 1, being somebody's turn to do the distribution net topology modification method based on AMI data analyses：
1) distribution net topology scope to be checked as shown in Figure 2, including two adjacent transformers 1 and transformer 2 delimited, become
Seven electric energy meters of electric energy meter m1, m2, m3, m4, m5, m6, m7 are connected with depressor 1, be connected with transformer 2 electric energy meter m8 and
m9；
2) the distribution net topology update the system based on AMI data analyses is built, the distribution net topology update the system includes electricity
Can table data acquisition module, GIS topological relations input module, voltage correlation matrix formed module, contrast determination module and
Distribution net topology correcting module；
3) the real-time voltage information of electric energy meter in power distribution network to be checked in Fig. 2 is read using electric energy meter data acquisition module, and
The title of each electric energy meter and its corresponding sampled value are recorded, forms sampled voltage excel forms；
4) power network topology for the drawing the line interior generation recorded in generalized information system is opened up using GIS topological relations input module
Flutter relation excel forms, all electric energy table names that the transformer neighbouring relations of acquisition and each transformer connect in GIS
ID, as shown in table 1, the method for expressing of transformer annexation is in GIS topological relations：It is adjacent to " 1 ", non-conterminous is " 0 "；
5) two excel forms of generation in step 3) and step 4) are imported into voltage correlation matrix and forms module
In, and the coefficient correlation between the electric energy meter voltage of connection transformer 1 is calculated, form the voltage phase relation of 7 electric energy meter registrations
Several 7*7 upper triangular matrix, it is as shown in table 3 below；
6) contrast the often row in determination module decision table 3 in voltage correlation matrix or whether be respectively less than per column element and used
Family sets boundary, sets boundary as 0.98 in the present embodiment, through observation shows that, row or column corresponding to electric energy meter m4 in table 3
Voltage coefficient correlation be respectively less than this value, then judge electric energy meter m4 be not connected and alarmed with transformer 1；
7) the voltage correlation matrix for the electric energy meter that alarming electric energy meter m4 is connected with adjacent transformers 2 is calculated, wherein, two
The calculation formula of the coefficient correlation of individual element is the business of its covariance and standard deviation, shown in computational methods such as formula (1)：
Wherein, xiAnd yiThe row, column for respectively calculating voltage coefficient correlation corresponds to the magnitude of voltage of electric energy meter；I takes 1,2,
3……n；WithRepresent that n row, column corresponds to the average value of electric energy meter magnitude of voltage；
Then, the coefficient correlation obtained according to formula (1) is formed into corresponding correlation matrix；
And judging whether the row or column in the correlation matrix is respectively less than user and sets boundary, result of determination shows electric energy
Table m4 and electric energy meter m8 is out of position in GIS, table 3 be electric energy meter m8 be connected with transformer 1 electric energy meter m1, m2, m3, m5,
M6, m7 voltage correlation matrix, judge the element in the matrix, and result of determination shows the voltage coefficient correlation square
The element of row or each column in battle array is all higher than setting boundary 0.98, illustrates that electric energy meter m8 is connected with transformer 1, testing staff is to electricity
Energy table m8 topological structure is modified and includes revised topological structure in topological correcting module.
Table 1 is the topological relation in delimitation scope to be checked
| Title ID | |
| Transformer 1 | m1、m2、m3、m4、m5、m6、m7 |
| Transformer 2 | m8、m9 |
Table 2 is the coefficient correlation for the electric energy meter being connected with transformer 1
Table 3 is to replace the coefficient correlation recalculated after alarming electric energy meter
| Ammeter is numbered | m1 | m2 | m3 | m4’ | m5 | m6 | m7 |
| m1 | 1.000 | 0.996 | 0.997 | 0.995 | 0.997 | 0.996 | 0.997 |
| m2 | 1.000 | 0.992 | 0.994 | 0.997 | 0.995 | 0.995 | |
| m3 | 1.000 | 0.998 | 0.995 | 0.993 | 0.992 | ||
| m4’ | 1.000 | 0.993 | 0.992 | 0.992 | |||
| m5 | 1.000 | 0.998 | 0.996 | ||||
| m6 | 1.000 | 0.998 | |||||
| m7 | 1.000 |
4 revised topological connection relation of table
| Title ID | |
| Transformer 1 | m1、m2、m3、m8、m5、m6、m7 |
| Transformer 2 | m4、m9 |
Claims (3)
1. a kind of distribution net topology modification method based on AMI data analyses, it is characterised in that comprise the following steps：
1) distribution net topology scope to be checked delimited；
2) the distribution net topology update the system based on AMI data analyses is built, the distribution net topology update the system includes electric energy meter
Data acquisition module, GIS topological relations input module, voltage correlation matrix form module, contrast determination module and distribution
Net topology correcting module；
3) the real-time voltage information of electric energy meter in power distribution network to be checked is read using electric energy meter data acquisition module, and records each electricity
The title and its corresponding sampled value of energy table, form sampled voltage excel forms；
4) power network topology for the drawing the line interior generation topology recorded in generalized information system is closed using GIS topological relations input module
It is excel forms；
5) two excel forms of generation in step 3) and step 4) are imported into voltage correlation matrix to be formed in module, and
The coefficient correlation between the electric energy meter voltage for connecting same transformer is calculated, forms voltage correlation matrix；
6) contrast determination module determination step 5) in each column element in correlation matrix or each row element it is whether small
Set boundary in user, if it is determined that result be "Yes", then to should the electric energy meter of coefficient correlation alarmed and enter next step；
Otherwise, terminate to judge, show that the topological relation is correct；
7) the voltage correlation matrix for the electric energy meter that alarming electric energy meter is connected with adjacent transformers is calculated, and judges the electricity again
Whether every a line or each column element in pressure correlation matrix, which are all higher than user, sets boundary, if it is determined that result is "Yes",
Then its topological structure is modified and includes revised topological structure in topological correcting module.
2. the distribution net topology modification method according to claim 1 based on AMI data analyses, it is characterised in that described
Correlation matrix be upper triangular matrix.
3. the distribution net topology modification method according to claim 1 based on AMI data analyses, it is characterised in that described
Step 4) in the method for expressing of GIS transformer annexations be：It is adjacent to " 1 ", non-conterminous is " 0 ".
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173263A (en) * | 2017-12-29 | 2018-06-15 | 国网天津市电力公司电力科学研究院 | A kind of power distribution network topology error identification algorithm based on AMI measurement informations |
| CN109344144A (en) * | 2018-09-06 | 2019-02-15 | 葛得辉 | A kind of low-voltage platform area family change relation recognition method and system |
| CN110190600A (en) * | 2019-06-21 | 2019-08-30 | 国网天津市电力公司 | It is a kind of to measure the three-phase distribution net topology discrimination method that neighbour returns based on AMI |
| CN110940938A (en) * | 2019-11-13 | 2020-03-31 | 国网上海市电力公司 | Device and method for detecting connection relation between user electric meter and transformer |
| CN110940873A (en) * | 2019-11-13 | 2020-03-31 | 国网上海市电力公司 | Device and method for detecting topological relation between user electric meter and transformer |
| CN110988476A (en) * | 2019-11-13 | 2020-04-10 | 南京新联电子股份有限公司 | Station area phase topology identification device and identification method |
| CN111064180A (en) * | 2019-10-23 | 2020-04-24 | 国网天津市电力公司电力科学研究院 | Medium-voltage distribution network topology detection and identification method based on AMI power flow matching |
| CN111162608A (en) * | 2020-01-08 | 2020-05-15 | 国网湖北省电力有限公司电力科学研究院 | Distribution transformer area topology identification and verification method based on correlation analysis |
| CN111313399A (en) * | 2018-12-12 | 2020-06-19 | 武汉国测数据技术有限公司 | Method, device and system for confirming topological relation of regional power utilization network |
| CN111999692A (en) * | 2019-05-27 | 2020-11-27 | 武汉国测数据技术有限公司 | Multi-table error calibration method and device |
| CN113078634A (en) * | 2021-04-01 | 2021-07-06 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Power distribution network topology current situation analysis data and data synchronization system |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173263A (en) * | 2017-12-29 | 2018-06-15 | 国网天津市电力公司电力科学研究院 | A kind of power distribution network topology error identification algorithm based on AMI measurement informations |
| US11297129B2 (en) | 2017-12-29 | 2022-04-05 | Electric Power Science & Research Institute Of State Grid Tianjin Electric Power Company | Method and device for identifying distribution network topology error |
| CN108173263B (en) * | 2017-12-29 | 2022-02-22 | 国网天津市电力公司电力科学研究院 | Distribution network topology error identification algorithm based on AMI measurement information |
| CN109344144A (en) * | 2018-09-06 | 2019-02-15 | 葛得辉 | A kind of low-voltage platform area family change relation recognition method and system |
| CN111313399A (en) * | 2018-12-12 | 2020-06-19 | 武汉国测数据技术有限公司 | Method, device and system for confirming topological relation of regional power utilization network |
| CN111313399B (en) * | 2018-12-12 | 2021-10-19 | 深圳电蚂蚁数据技术有限公司 | Method, device and system for confirming topological relation of regional power utilization network |
| CN111999692A (en) * | 2019-05-27 | 2020-11-27 | 武汉国测数据技术有限公司 | Multi-table error calibration method and device |
| CN110190600A (en) * | 2019-06-21 | 2019-08-30 | 国网天津市电力公司 | It is a kind of to measure the three-phase distribution net topology discrimination method that neighbour returns based on AMI |
| CN110190600B (en) * | 2019-06-21 | 2022-09-30 | 国网天津市电力公司 | Three-phase power distribution network topology identification method based on AMI measurement nearest neighbor regression |
| CN111064180A (en) * | 2019-10-23 | 2020-04-24 | 国网天津市电力公司电力科学研究院 | Medium-voltage distribution network topology detection and identification method based on AMI power flow matching |
| CN111064180B (en) * | 2019-10-23 | 2024-01-26 | 国网天津市电力公司电力科学研究院 | Medium-voltage distribution network topology detection and identification method based on AMI (advanced mechanical arm) power flow matching |
| CN110988476A (en) * | 2019-11-13 | 2020-04-10 | 南京新联电子股份有限公司 | Station area phase topology identification device and identification method |
| CN110940873A (en) * | 2019-11-13 | 2020-03-31 | 国网上海市电力公司 | Device and method for detecting topological relation between user electric meter and transformer |
| CN110940938A (en) * | 2019-11-13 | 2020-03-31 | 国网上海市电力公司 | Device and method for detecting connection relation between user electric meter and transformer |
| CN111162608A (en) * | 2020-01-08 | 2020-05-15 | 国网湖北省电力有限公司电力科学研究院 | Distribution transformer area topology identification and verification method based on correlation analysis |
| CN113078634A (en) * | 2021-04-01 | 2021-07-06 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Power distribution network topology current situation analysis data and data synchronization system |
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