CN104734359B - Power network distribution line real-time monitoring analysis system - Google Patents
Power network distribution line real-time monitoring analysis system Download PDFInfo
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- CN104734359B CN104734359B CN201510139087.5A CN201510139087A CN104734359B CN 104734359 B CN104734359 B CN 104734359B CN 201510139087 A CN201510139087 A CN 201510139087A CN 104734359 B CN104734359 B CN 104734359B
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- 238000012544 monitoring process Methods 0.000 title abstract description 13
- 238000004458 analytical method Methods 0.000 title abstract description 7
- 238000007405 data analysis Methods 0.000 claims abstract description 15
- 238000010223 real-time analysis Methods 0.000 claims description 19
- 241001269238 Data Species 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a power network distribution line real-time monitoring analysis system. The power network distribution line real-time monitoring analysis system comprises a load collect module, a topology storage module, a data analysis module and a data display module, wherein the load collect module is used for collecting a current, a voltage and a load of each terminal line in real time, the topology storage module is used for storing network topological relation data of a power distribution network of a distribution network geographic information system, the data analysis module calculates out real-time load conditions of each primary line and each branch line of the power distribution network through the real-time data collected by the load collect module and the network topological relation data stored by the topology storage module, the data display module is used for achieving the real-time load conditions of each primary line and each branch line of the power distribution network and the information of the current, the voltage and the load of each terminal line on a display device, and the data analysis module further calculates real-time load differential parameters of each primary line and each branch line of the power distribution network.
Description
Technical field
The present invention relates to a kind of monitoring and maintenance of power network line, more particularly, to a kind of power network distribution line monitor in real time point
Analysis system.
Background technology
Power network is made up of power plant, electric substation and transmission line of electricity.The task of power network is by various energy conversions into electricity
Can, for users to use.Because electricity consumption rule is uncontrolled, electric energy can not be stored, and how much how many hairs can only be used, so that power network
Operation needs to carry out the monitoring and scheduling of load.
With modern power electronic industrial expansion, the substantial increase and power system of the non-linear electric load of Large Copacity are long
The accident of influence and its initiation of the phase overload operation to power system is increasingly subject to the concern of people.It is long-range using power system
Monitoring technology can implement real-time dynamic monitoring to electric power networks, and power train is calculated according to power system momentary status variation prediction
The accident risks of system and the possibility of catastrophic failure, constitute power network prewarning monitoring system, power network is estimated, alarm with it is automatic
Control, and information is quickly transferred to operational management person and decision-making level, it is to avoid the generation of hidden failure, or the loss of failure is limited
System is in minimum zone.
201110417332.6 patent of invention proposes a kind of monitor in real time analysis system of power network distribution line, its profit
Current Transformer and voltage transformer determine the data such as the Current Voltage of distribution transformer terminals, by setting up rational computation model
And exhibition method, the load data of monitoring point is shown in circuit tie lines figure, the long-range monitoring of distribution line current data is realized, be
The guarantee that the safe operation of circuit is provided.But, what it was monitored is the real-time current data of monitoring point, and its loads feelings to be only capable of reaction
Condition, it is impossible to enough react the situation of change of its load.
The content of the invention
As one aspect of the present invention, there is provided a kind of power network distribution line monitor in real time analysis system, it includes bearing
Lotus acquisition module, electric current, voltage and load for each terminated line of Real-time Collection；Network topology storage module, matches somebody with somebody for storing
The network topology data of the power distribution network of Network Geographical Information System；Data analysis module, is gathered by load acquisition module
Real time data and the network topology data of network topology storage module storage, calculate each main line of distribution network, the reality of branch road
When load condition；Data disaply moudle, the Real-time Load shape for realizing each main line of distribution network, branch road on the display device
State, and the electric current of each end line, voltage and load information；Wherein, also to calculate distribution network each for the data analysis module
Main line, the Real-time Load differential parameter of branch road, the differential parameter are calculated by following formula：Dx=（I1-I2）/ T, wherein T are one
Differential cycle, I1 and I2 are respectively the line current when differential cycle starting point and terminal.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, the data disaply moudle is also
Show the Real-time Load differential parameter of each main line, branch road.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, each main line, the reality of branch road
When load differential parameter and each main line, the Real-time Load state of branch road by different interface displays, the different boundary
Face can switch over.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, also including alarm module, its
When certain branch road of distribution network, the Real-time Load on main line exceed first threshold, the circuit alarm signal is given.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, the alarm module, in distribution
When certain branch road of network, the Real-time Load on main line exceed Second Threshold, and its differential parameter more than three threshold values, be given
The alarm signal of the circuit.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, the Second Threshold is less than the
One threshold value.
Preferably, when circuit sends alarm signal, the situation according to Real-time Load and differential parameter is different, gives not
The alarm signal of same rank；When Real-time Load exceedes first threshold, and differential parameter more than three threshold values, provide high
The alarm signal of level；When Real-time Load exceedes first threshold, and differential parameter less than three threshold values, the report of middle grade is given
Alert signal；When Real-time Load exceedes Second Threshold, and its differential parameter more than three threshold values, the alarm signal of inferior grade is given
Number.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, also including data memory module,
The data analysis module, each branch road, the Real-time Load situation on main line and Real-time Load differential parameter record are deposited in data
Storage module.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, the data analysis module root
According to the data in the data memory module, can calculate average load in special time period of each branch road, main line and its
Standard deviation.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, the data disaply moudle energy
Enough show the average load and its standard deviation of each branch road, main line in special time period.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, the data disaply moudle pair
Represented using different colors in the data of range averaging load various criterion difference.
Preferably, in above-mentioned power network distribution line monitor in real time analysis system of the invention, the data disaply moudle pair
Data in higher than 2 times of standard deviations of average load are represented using green, for higher than between 2~5 times of standard deviations of average load
Data represented using yellow, represented using red for the data higher than 5 times of standard deviations of average load.
Brief description of the drawings
Fig. 1 is the structural representation of power network distribution line monitor in real time analysis system of the invention.
Specific embodiment
In order to illustrate more clearly of technical scheme, the present invention will be simply situated between using embodiment below
Continue, it should be apparent that, in describing below is only one embodiment of the present of invention, is come for those of ordinary skill in the art
Say, without having to pay creative labor, other technical schemes can also be obtained according to these embodiments, fall within
Disclosure of the invention scope.
Referring to Fig. 1, power network distribution line monitor in real time analysis system of the invention includes：Load acquisition module 10, data
Analysis module 20, network topology storage module 30, data disaply moudle 40, data memory module 50 and alarm module 60.Wherein, bear
Lotus acquisition module 10 is used for electric current, voltage and the load of each terminated line of Real-time Collection, and load acquisition module 10 can be used
One kind or its combination in current transformer, voltage transformer or other kinds of load sensor.Load acquisition module
The load signal of 10 collections, data analysis module 20 is sent to by communication network.Network topology storage module 30, for storing distribution
The network topology data of the power distribution network of GIS-Geographic Information System, wherein distribution GIS line chart topological datas can be used.Data
The network topology that analysis module 20, the real time data gathered by load acquisition module 10 and network topology storage module store 30 is closed
Coefficient evidence, calculates the Real-time Load state of each main line of distribution network, branch road, wherein each main line, the Real-time Load state of branch road
By its terminated line for including Real-time Load signal of change out, its load is the Real-time Load of its each terminated line for including
Amount sum.Data analysis module 20 has been calculated each main line, the Real-time Load state of branch road passes through data disaply moudle 40
Show on the display device.Data disaply moudle 40 can also show electric current, voltage and the load information of each terminated line.
Wherein, data analysis module 20 can also calculate the Real-time Load differential parameter of each main line of distribution network, branch road, the differential ginseng
Number is calculated by following formula：Dx=（I1-I2）/ T, wherein T be a differential cycle, I1 and I2 be respectively the differential cycle starting point and
Line current during terminal.By the calculating of above-mentioned differential parameter, can be for each main line of distribution network, the change of the load of branch road
Change situation enters Mobile state analysis, so as to when larger and larger increment is loaded, can effectively provide early warning.
In embodiments of the invention, each main line of power network distribution line that data analysis module 20 is calculated, branch road it is real-time
Load differential parameter, can be shown by data disaply moudle 40 on display interface, it is preferred that each main line of net distribution line,
The Real-time Load differential parameter and Real-time Load state of branch road can be by different interface displays, wherein different interfaces can be with
Switch over.
Alarm module of the invention 60, for when distribution network is likely to occur overload, for example, certain of distribution network
When bar branch road, the Real-time Load on main line exceed first threshold, alarm signal is given.But, this monitoring is static monitoring,
Because data analysis module of the invention 20 is calculated the differential parameter of line load, it is preferred that can be in power distribution network
Certain branch road of network, the Real-time Load on main line exceed Second Threshold, and the Second Threshold is less than first threshold, and its differential is joined
When number is more than three threshold values, although it represents that the line load is also not above first threshold, its absolute value is higher,
And speedup is very fast, and it may can reach first threshold quickly, provide the alarm signal of the circuit.
In the above-described embodiments, when circuit sends alarm signal, the situation according to Real-time Load and differential parameter is not
Together, the alarm signal of different ranks is given；When Real-time Load exceedes first threshold, and differential parameter is more than the 3rd threshold value
When, provide high-grade alarm signal；When Real-time Load exceedes first threshold, and differential parameter less than three threshold values, give
Go out the alarm signal of middle grade；When Real-time Load exceedes Second Threshold, and its differential parameter more than three threshold values, provide low
The alarm signal of grade.
In embodiments of the invention, data memory module 50 can also be included, be calculated for data storage analysis module 20
Each branch road of distribution network, the Real-time Load situation on main line and the Real-time Load differential parameter for going out.By data memory module 50
In data, the average load and its standard deviation of each branch road of distribution network, main line in special time period can be calculated.These
Average load and its standard deviation of each branch road of distribution network, the main line for calculating in special time period can be by data displays
Module 40 is shown.Preferably, the data poor for range averaging load various criterion of data disaply moudle 40 use different
Color represent.For example, higher than in 2 times of standard deviations of average load data using green represent, for higher than average load 2~
Data between 5 times of standard deviations are represented using yellow, represented using red for the data higher than 5 times of standard deviations of average load.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations, although with reference to above-described embodiment pair
The present invention has been described in detail, and those of ordinary skill in the art should be understood：Still can be to of the invention specific
Implementation method is modified or equivalent, and without departing from any modification of spirit and scope of the invention or equivalent,
It all should cover in the middle of scope of the presently claimed invention.
Claims (4)
1. a kind of power network distribution line monitor in real time analysis system, including：
Load acquisition module, electric current, voltage and load for each terminated line of Real-time Collection；
Network topology storage module, the network topology data for storing the power distribution network with Network Geographical Information System；
The network topology of data analysis module, the real time data gathered by load acquisition module and the storage of network topology storage module
Relation data, calculates the Real-time Load state of each main line of distribution network, branch road；
Data disaply moudle, the Real-time Load state for showing each main line of distribution network, branch road on the display device, and respectively
The electric current of terminated line, voltage and load information；It is characterized in that：It is each dry that the data analysis module also calculates distribution network
Road, the Real-time Load differential parameter of branch road, the differential parameter are calculated by following formula：Dx=（I1-I2）/ T, wherein T are one micro-
Divide the cycle, I1 and I2 is respectively the line current when differential cycle starting point and terminal;Also include alarm module, it is in distribution
When certain branch road of network, the Real-time Load on main line exceed first threshold, the circuit alarm signal is given;The alarm module,
When the Real-time Load of certain branch road, main line in distribution network exceedes Second Threshold, and its differential parameter more than three threshold values,
Provide the alarm signal of the circuit;When circuit sends alarm signal, the situation according to Real-time Load and differential parameter is not
Together, the alarm signal of different ranks is given；When Real-time Load exceedes first threshold, and differential parameter is more than the 3rd threshold value
When, provide high-grade alarm signal；When Real-time Load exceedes first threshold, and differential parameter less than three threshold values, give
Go out the alarm signal of middle grade；When Real-time Load exceedes Second Threshold, and its differential parameter more than three threshold values, provide low
The alarm signal of grade.
2. power network distribution line monitor in real time analysis system according to claim 1, it is characterised in that：The data display
Module also shows the Real-time Load differential parameter of each main line, branch road.
3. power network distribution line monitor in real time analysis system according to claim 2, it is characterised in that：Each main line,
The Real-time Load differential parameter of branch road and each main line, the Real-time Load state of branch road are described by different interface displays
Different interfaces can switch over.
4. power network distribution line monitor in real time analysis system according to claim 3, it is characterised in that：The network topology storage
Module stores distribution GIS line chart topological datas.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535642.0A CN106160218B (en) | 2015-03-28 | 2015-03-28 | Power grid distribution line monitors analysis system in real time |
| CN201510139087.5A CN104734359B (en) | 2015-03-28 | 2015-03-28 | Power network distribution line real-time monitoring analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139087.5A CN104734359B (en) | 2015-03-28 | 2015-03-28 | Power network distribution line real-time monitoring analysis system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610535642.0A Division CN106160218B (en) | 2015-03-28 | 2015-03-28 | Power grid distribution line monitors analysis system in real time |
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| CN104734359A CN104734359A (en) | 2015-06-24 |
| CN104734359B true CN104734359B (en) | 2017-05-24 |
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| CN201610535642.0A Expired - Fee Related CN106160218B (en) | 2015-03-28 | 2015-03-28 | Power grid distribution line monitors analysis system in real time |
| CN201510139087.5A Expired - Fee Related CN104734359B (en) | 2015-03-28 | 2015-03-28 | Power network distribution line real-time monitoring analysis system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610535642.0A Expired - Fee Related CN106160218B (en) | 2015-03-28 | 2015-03-28 | Power grid distribution line monitors analysis system in real time |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108321926A (en) * | 2017-01-18 | 2018-07-24 | 孙麓轩 | A kind of number Distribution Management System and method |
| CN107656467A (en) * | 2017-08-14 | 2018-02-02 | 东莞赋安实业有限公司 | A kind of method based on Internet of Things Distribution Management System and its on-line monitoring |
| CN109787359A (en) * | 2019-01-31 | 2019-05-21 | 深圳供电局有限公司 | Distribution network load monitoring device and distribution system |
| CN110707817B (en) * | 2019-10-17 | 2021-06-11 | 国网山东省电力公司鱼台县供电公司 | Intelligent power grid monitoring control system and method based on geographic information technology |
| CN110808880A (en) * | 2019-11-01 | 2020-02-18 | 国家电网有限公司 | Method for displaying depth monitoring information of power communication network |
| CN111145043A (en) * | 2020-01-07 | 2020-05-12 | 广东卓维网络有限公司 | Intelligent power distribution management system |
| CN112198951A (en) * | 2020-11-10 | 2021-01-08 | 贵州升智交科信息技术发展有限公司 | Power supply and distribution real-time data analysis display system |
| CN114511179B (en) * | 2021-12-28 | 2023-09-12 | 江苏东晔电气设备有限公司 | Intelligent planning method and system for processing abnormality of power distribution cabinet |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1053277C (en) * | 1995-08-28 | 2000-06-07 | 北京科锐创新电力技术有限公司 | Method for detecting short-circuit fault current path and indicator |
| IES20050382A2 (en) * | 2004-06-04 | 2005-12-14 | Fmc Tech Ltd | A method of monitoring line faults in a medium voltage network |
| CN100487997C (en) * | 2006-12-11 | 2009-05-13 | 华为技术有限公司 | Method and system for realizing detection protection in far away power supply |
| CN101625771B (en) * | 2008-07-11 | 2012-11-21 | 财团法人工业技术研究院 | Patrol checking management system and method |
| CN102103160B (en) * | 2009-12-16 | 2013-07-10 | 中国建筑科学研究院 | Residual current monitoring alarm method, system and detection controller |
| CN103151771B (en) * | 2011-12-06 | 2016-02-03 | 国家电网公司 | Power transmission network operation monitoring system and method |
| CN102497021B (en) * | 2011-12-14 | 2014-01-15 | 广东电网公司佛山供电局 | Real-time monitoring and analysis system for distribution circuit |
| JP5603318B2 (en) * | 2011-12-22 | 2014-10-08 | 株式会社日立製作所 | Power demand adjustment system, apparatus, and method |
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| CN104734359A (en) | 2015-06-24 |
| CN106160218A (en) | 2016-11-23 |
| CN106160218B (en) | 2019-01-04 |
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