CN103605027B - Source electricity system falls in a kind of line voltage temporarily - Google Patents
Source electricity system falls in a kind of line voltage temporarily Download PDFInfo
- Publication number
- CN103605027B CN103605027B CN201310611693.3A CN201310611693A CN103605027B CN 103605027 B CN103605027 B CN 103605027B CN 201310611693 A CN201310611693 A CN 201310611693A CN 103605027 B CN103605027 B CN 103605027B
- Authority
- CN
- China
- Prior art keywords
- module
- data
- temporarily
- source electricity
- parameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 35
- 230000006870 function Effects 0.000 claims abstract description 29
- 238000007405 data analysis Methods 0.000 claims abstract description 27
- 230000003993 interaction Effects 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims description 3
- 230000002123 temporal effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 8
- 238000004422 calculation algorithm Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 238000013480 data collection Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
The invention provides a kind of line voltage and fall source electricity system temporarily, comprise Data Analysis and synchronization module, data memory module, sensor distributing generation module, fall source electricity computing module, application interface module and human-computer interface module temporarily; Data Analysis and synchronization module, sensor distributing generation module, fall source electricity computing module, application interface module and human-computer interface module temporarily and be bi-directionally connected with data memory module respectively, carry out data interaction by data memory module.Source electricity system falls in line voltage provided by the invention temporarily, voltage dip data and network topology structure and network parameter is read respectively from electric energy quality monitoring system or monitoring terminal and electric network data collection and supervisory system (SCADA system), by falling source electricity algorithm realization positioning function temporarily, positioning result can be used for power quality analysis personnel, also by with the interconnecting, for its fault analysis and diagnosis etc. of electrical power distribution automatization system or dispatching system.
Description
Technical field
The present invention relates to a kind of positioning system, specifically relate to a kind of line voltage and fall source electricity system temporarily.
Background technology
Voltage dip, refers to the short time variation in voltage phenomenon that the rms voltage of certain node of electric power system under power frequency condition is reduced between 0.1p.u ~ 0.9p.u., the duration is 10ms ~ 1min.Because of the harm that voltage dip can cause cisco unity malfunction even to shut down to sensitive equipment systems such as computer system, exact instrument productions, Problem of Voltage Temporary-Drop has become one of most important power quality problem.
At present, the electric energy quality monitoring system based on electric energy quality monitoring terminal is widely applied.Electric energy quality monitoring terminal has the advantages that Information Monitoring is enriched, data volume is large, carries out fully excavation and can be widely used in the many aspects such as electric power system fault location, equipment condition monitoring, fault diagnosis, load modeling after being analyzed to its Monitoring Data.
Summary of the invention
The invention provides a kind of line voltage and fall source electricity system temporarily, voltage dip data and network topology structure and network parameter is read respectively from electric energy quality monitoring system or monitoring terminal and electric network data collection and supervisory system (SCADA system), by falling source electricity algorithm realization positioning function temporarily, positioning result can be used for power quality analysis personnel, also by with the interconnecting, for its fault analysis and diagnosis etc. of electrical power distribution automatization system or dispatching system.
In order to realize foregoing invention object, the present invention takes following technical scheme:
The invention provides a kind of line voltage and fall source electricity system temporarily, described system comprises Data Analysis and synchronization module, data memory module, sensor distributing generation module, falls source electricity computing module, application interface module and human-computer interface module temporarily; Described Data Analysis and synchronization module, sensor distributing generation module, fall source electricity computing module, application interface module and human-computer interface module temporarily and be bi-directionally connected with described data memory module respectively, carry out data interaction by described data memory module.
Described Data Analysis and synchronization module receive the network topology structure and network parameter that PQDIF file, COMTRAD file and SCADA system that electric energy quality monitoring terminal sends send, and carry out Data Analysis and data syn-chronization;
Described Data Analysis and synchronization module are resolved described PQDIF file, COMTRAD file and network topology structure and network parameter, extract power quality index data stored in the persistant data district in described data memory module, complete Data Analysis, obtain voltage dip data;
Persistant data district reads voltage dip data and network topology structure and network parameter, adopts queue substitute mode more new data, and then realizes data syn-chronization.
Described voltage dip data comprise three-phase voltage amplitude, phase place and reactive power; Described network topology structure and network parameter comprise network topology structure, circuit, transformer, load and reactive-load compensation equipment parameter.
Described data memory module comprises persistant data district, memory access data field and buffer area, and described memory access data field comprises ephemeral data district and internal memory primary access data field; The storage speed of described data memory module according to persistant data district, memory access data field to buffer area order successively from slow to fast.
Described ephemeral data district is for accessing described Data Analysis and synchronization module, sensor distributing generation module, falling the ephemeral data that source electricity computing module and human-computer interface module computation process produces temporarily; The non-provisional data that computation process produces are searched successively in buffer area, memory access data field and persistant data district, backup in its memory block, upper strata after finding.
Described persistant data district is for accessing primary data and calculating gained final data, and primary data comprises PQDIF file, COMTRAD file and the network topology structure imported from SCADA system and network parameter that import from described electric energy quality monitoring terminal; Calculate gained final data comprise sensor distributing information that the reactive power criterion, the sensor distributing generation module that generate in Data Analysis and data synchronization process generate and fall source location information temporarily after falling source electricity computing module location Calculation temporarily.
Described sensor distributing generation module first takes out network topology structure and network parameter structure node impedance matrix from data memory module, the voltage dip matrix under different faults type is calculated according to described nodal impedance matrix, node depression matrix corresponding under generating different faults type by setting sag exposed areas voltage threshold again, the node depression matrix of the various fault type of simultaneous forms extended matrix, ensures the observable Objective that all node voltages of the whole network fall temporarily;
01 linear optimization method is utilized to solve vector of layouting, vector element value of layouting is that 1 correspondence position needs to arrange monitoring point, vector element value of layouting is 0 and represents that correspondence position does not need to arrange monitoring point, namely DUAL PROBLEMS OF VECTOR MAPPING of layouting is completed the generation of sensor distributing to respective nodes position.
The described source electricity computing module that falls temporarily comprises nodal impedance matrix constructing module, faulty line extraction module, fault type judge module and falls source electricity module temporarily; Described nodal impedance matrix constructing module adopts branch additional method, follows the additional branch road principle of temporal sequence structure node impedance matrix of breadth First, preferential Cheng Huan; Described faulty line extraction module is by monitoring point Observable branch road and the principle extraction possible breakdown circuit falling the judgement of upstream and downstream orientation, source temporarily; Described fault type judge module adopts and detects judgement fault type based on voltage magnitude and voltage sequence components value; Described source electricity module of falling temporarily asks for monitoring point voltage sequence components value to possible faulty line to set step-length, sorted by error between the voltage sequence components value asked for and the voltage sequence components measured value of measurement and position, namely the minimum point of error is fall source position temporarily.
Described fault type comprises singlephase earth fault, two-phase short-circuit fault, double earthfault and three phase short circuit fault.
Described application interface module comprises acquisition quantity of state module and calls basic function function interface module;
The quantity of state that described acquisition quantity of state module obtains comprises current sensor distributing and parameter, the current parameters falling source position and parameter, data memory module data mode and human-computer interface module temporarily;
The described function interface calling basic function function interface module and provide comprises operation and falls source electricity function temporarily, runs sensor distributing generating function, arranges and fall source electricity correlation parameter temporarily, arrange sensor distributing and generate parameter.
Described human-computer interface module comprise source position display module falls temporarily, data input/import module, statistical conversion module, auto report completing module, parameter setting module and system management and authority module.
Compared with prior art, beneficial effect of the present invention is:
(1) from electric energy quality monitoring system or monitoring terminal and electric network data collection and supervisory system (SCADA system), read voltage dip data and network topology structure and network parameter respectively, by falling source electricity algorithm realization positioning function temporarily, positioning result can be used for power quality analysis personnel, also by with the interconnecting, for its fault analysis and diagnosis etc. of electrical power distribution automatization system or dispatching system;
(2) native system can be used in the accurate location of voltage dip source position, and the localization of fault and the eliminating that can be electrical power distribution automatization system provide foundation;
(3) fault location function in electrical power distribution automatization system is achieved based on electric energy quality monitoring system;
(4) native system have employed comparatively perfect tertiary storage system, substantially increases access efficiency;
(5) native system Software for Design follows " opening and closing " principle, and each intermodule degree of coupling is low, is easy to maintenance and expansion.
Accompanying drawing explanation
Fig. 1 is that source electricity system architecture diagram falls in line voltage temporarily;
Fig. 2 is data memory module structured flowchart;
Source electricity computing module structured flowchart falls in Fig. 3 temporarily.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1, the invention provides a kind of line voltage and fall source electricity system temporarily, described system comprises Data Analysis and synchronization module, data memory module, sensor distributing generation module, falls source electricity computing module, application interface module and human-computer interface module temporarily; Described Data Analysis and synchronization module, sensor distributing generation module, fall source electricity computing module, application interface module and human-computer interface module temporarily and be bi-directionally connected with described data memory module respectively, carry out data interaction by described data memory module.
Described Data Analysis and synchronization module receive the network topology structure and network parameter that PQDIF file, COMTRAD file and SCADA system that electric energy quality monitoring terminal sends send, and carry out Data Analysis and data syn-chronization;
Described Data Analysis and synchronization module are resolved described PQDIF file, COMTRAD file and network topology structure and network parameter, extract power quality index data stored in the persistant data district in described data memory module, complete Data Analysis, obtain voltage dip data, voltage dip data are stored in power quality detection system database.
Persistant data district reads voltage dip data and network topology structure and network parameter, adopt queue substitute mode more new data, and then realize data syn-chronization, ensure the availability of data in native system persistant data district, synchronizing frequency and data capacity design should meet the requirement of system-computed.
When synchronous behavior once occurs database, we are referred to as a synchronous event.Synchronous event can trigger correlation module computing.
Described voltage dip data comprise three-phase voltage amplitude, phase place and reactive power; Described network topology structure and network parameter comprise network topology structure, circuit, transformer, load and reactive-load compensation equipment parameter.
Described data memory module comprises persistant data district, memory access data field and buffer area, and described memory access data field comprises ephemeral data district and internal memory primary access data field; The storage speed of described data memory module according to persistant data district, memory access data field to buffer area order successively from slow to fast.
Described ephemeral data district is for accessing described Data Analysis and synchronization module, sensor distributing generation module, falling the ephemeral data that source electricity computing module and human-computer interface module computation process produces temporarily; The non-provisional data that computation process produces are searched successively in buffer area, memory access data field and persistant data district, backup in its memory block, upper strata after finding, and the local access's property according to data improves storage efficiency.
Described persistant data district is for accessing primary data and calculating gained final data, and primary data comprises PQDIF file, COMTRAD file and the network topology structure imported from SCADA system and network parameter that import from described electric energy quality monitoring terminal; Calculate gained final data comprise sensor distributing information that the reactive power criterion, the sensor distributing generation module that generate in Data Analysis and data synchronization process generate and fall source location information temporarily after falling source electricity computing module location Calculation temporarily.
Data memory module with the tight interaction data of source electricity computing module, Data Analysis and synchronization module falls temporarily to complete computing and event memory, and provide Data support for expansion connection module and human-computer interface module.
Described sensor distributing generation module first takes out network topology structure and network parameter structure node impedance matrix from data memory module, the voltage dip matrix under different faults type is calculated according to described nodal impedance matrix, node depression matrix corresponding under generating different faults type by setting sag exposed areas voltage threshold again, the node depression matrix of the various fault type of simultaneous forms extended matrix, ensures the observable Objective that all node voltages of the whole network fall temporarily;
01 linear optimization method is utilized to solve vector of layouting, vector element value of layouting is that 1 correspondence position needs to arrange monitoring point, vector element value of layouting is 0 and represents that correspondence position does not need to arrange monitoring point, namely DUAL PROBLEMS OF VECTOR MAPPING of layouting is completed the generation of sensor distributing to respective nodes position.
The described source electricity computing module that falls temporarily comprises nodal impedance matrix constructing module, faulty line extraction module, fault type judge module and falls source electricity module temporarily;
Classical way as bus admittance matrix invert, branch additional method etc., when network node magnitude is larger, the efficiency of classical way is lower, system can adopt the branch additional method of improvement, the calculated amount that the calculated amount of propping up due to additional chain is propped up much larger than additional tree, so nodal impedance matrix constructing module adopts branch additional method, follow the additional branch road principle of temporal sequence structure node impedance matrix of breadth First, preferential Cheng Huan, this can reduce more greatly overall calculated amount.The structure of Impedance Matrix is very large to the dependence of network element modeling, so after possessing accurate, comprehensive network element parameter, the Impedance Matrix of structure just has the value of analysis, reference.
In order to reduce trouble spot volumes of searches, improve operation efficiency, faulty line extraction module is by monitoring point Observable branch road and the principle extraction possible breakdown circuit falling the judgement of upstream and downstream orientation, source temporarily; Judge that falling orientation is temporarily a kind of simple and practical method by the state change of reactive power, most accurate judgement of falling source side position temporarily in network can be realized.
Described fault type judge module adopts and detects judgement fault type based on voltage magnitude and voltage sequence components value; After fault occurs, choose the minimum monitoring point of voltage magnitude as effective monitoring point, extract the voltage of effective monitoring point as basis for estimation, then calculate the mean value U of its three-phase voltage
m, by three-phase voltage respectively with U
mcompare, judge fault type by setting compare threshold and some information of each order components, each possible breakdown circuit has corresponding fault type.
Described source electricity module of falling temporarily asks for monitoring point voltage sequence components value to possible faulty line to set step-length, sorted by error between the voltage sequence components value asked for and the voltage sequence components measured value of measurement and position, namely the minimum point of error is fall source position temporarily.
Described fault type comprises singlephase earth fault, two-phase short-circuit fault, double earthfault and three phase short circuit fault.
Described application interface module is also called API(ApplicationPrograminterface) module; encapsulate existing development module and application programming interfaces are provided; it is mainly protected existing code and facilitates the later stage to expand and safeguard, mainly towards the application development based on native system.API module should comprise acquisition quantity of state and call basic function function interface, needs to write corresponding interface specification document.
Whole voltage sag source positioning system only has API module to open to the outside world, all needs to be realized by this module with the exchanges data of other system.
Application interface module comprises acquisition quantity of state module and calls basic function function interface module;
The quantity of state that described acquisition quantity of state module obtains comprises current sensor distributing and parameter, the current parameters falling source position and parameter, data memory module data mode and human-computer interface module temporarily;
Current sensor distributing and parameter thereof refer to based on having calculated under current data state and the parameter of the sensor distributing stored and algorithm; Current fall temporarily source position and parameter thereof refer to based on calculated under current data state and store source position and parameter thereof are fallen temporarily; Data memory module data mode comprises current data amount size, the oldest up-to-date data time etc.; Man-machine interface parameters refers to current man-machine interface dynamic and static state parameters, as interface display mode etc.
The described function interface calling basic function function interface module and provide comprises operation and falls source electricity function temporarily, runs sensor distributing generating function, arranges and fall source electricity correlation parameter temporarily, arrange sensor distributing and generate parameter.
Run and fall source electricity function temporarily and refer to and reruning location algorithm based on current data and storing accordingly result; Run sensor distributing generating function implication and the former is similar; The variable element falling source electricity correlation parameter temporarily and mainly comprise setting location algorithm is set, the multithreading etc. as whether; Sensor distributing is set and generates meaning of parameters and the former is similar.
Human-computer interface module in system is that native system carries interface, so display efficiency is higher, different user according to different demand and can be liked based on native system API Development of Module user application interface.Human-computer interface module comprise source position display module falls temporarily, data input/import module, statistical conversion module, auto report completing module, parameter setting module and system management and authority module.
Fall source position display module temporarily: when voltage dip occurs, falling source place temporarily the flicker of red point can carry out warning failure, and occurs corresponding failure type above it.
Data input/import module: comprise grid topology data, network element parameter, voltage dip data, other electricity etc.This external system also should fault simulation, and by setting type, the position of fault, in simulation run process, simulated data is collected in monitoring point, and voltage sag source positioning system is located its position;
Statistical conversion module: can will fall type temporarily, fall the derivation such as source location information temporarily, for other system analysis.
Auto report completing module: according to user requested data automatic report generation.
Parameter setting module: the correlation parameter of interface system is arranged, as display mode.
System management and authority module: the authority that dissimilar user accesses interface is different, and such as system manager has all access rights, domestic consumer only has browse right not arrange authority etc.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a source electricity system falls in line voltage temporarily, it is characterized in that: described system comprises Data Analysis and synchronization module, data memory module, sensor distributing generation module, falls source electricity computing module, application interface module and human-computer interface module temporarily; Described Data Analysis and synchronization module, sensor distributing generation module, fall source electricity computing module, application interface module and human-computer interface module temporarily and be bi-directionally connected with described data memory module respectively, carry out data interaction by described data memory module;
Described Data Analysis and synchronization module receive the network topology structure and network parameter that PQDIF file, COMTRAD file and SCADA system that electric energy quality monitoring terminal sends send, and carry out Data Analysis and data syn-chronization;
Described Data Analysis and synchronization module are resolved described PQDIF file, COMTRAD file and network topology structure and network parameter, extract power quality index data stored in the persistant data district in described data memory module, complete Data Analysis, obtain voltage dip data;
Persistant data district reads voltage dip data and network topology structure and network parameter, adopts queue substitute mode more new data, and then realizes data syn-chronization.
2. source electricity system falls in line voltage according to claim 1 temporarily, it is characterized in that: described voltage dip data comprise three-phase voltage amplitude, phase place and reactive power; Described network topology structure and network parameter comprise network topology structure, circuit, transformer, load and reactive-load compensation equipment parameter.
3. source electricity system falls in line voltage according to claim 1 temporarily, it is characterized in that: described data memory module comprises persistant data district, memory access data field and buffer area, described memory access data field comprises ephemeral data district and internal memory primary access data field; The storage speed of described data memory module according to persistant data district, memory access data field to buffer area order successively from slow to fast.
4. source electricity system falls in line voltage according to claim 3 temporarily, it is characterized in that: described ephemeral data district is for accessing described Data Analysis and synchronization module, sensor distributing generation module, falling the ephemeral data that source electricity computing module and human-computer interface module computation process produces temporarily; The non-provisional data that computation process produces are searched successively in buffer area, memory access data field and persistant data district, backup in its memory block, upper strata after finding.
5. source electricity system falls in line voltage according to claim 3 temporarily, it is characterized in that: described persistant data district is for accessing primary data and calculating gained final data, and primary data comprises PQDIF file, COMTRAD file and the network topology structure imported from SCADA system and network parameter that import from described electric energy quality monitoring terminal; Calculate gained final data comprise sensor distributing information that the reactive power criterion, the sensor distributing generation module that generate in Data Analysis and data synchronization process generate and fall source location information temporarily after falling source electricity computing module location Calculation temporarily.
6. source electricity system falls in line voltage according to claim 1 temporarily, it is characterized in that: described sensor distributing generation module first takes out network topology structure and network parameter structure node impedance matrix from data memory module, the voltage dip matrix under different faults type is calculated according to described nodal impedance matrix, node depression matrix corresponding under generating different faults type by setting sag exposed areas voltage threshold again, the node depression matrix of the various fault type of simultaneous forms extended matrix;
01 linear optimization method is utilized to solve vector of layouting, vector element value of layouting is that 1 correspondence position needs to arrange monitoring point, vector element value of layouting is 0 and represents that correspondence position does not need to arrange monitoring point, namely DUAL PROBLEMS OF VECTOR MAPPING of layouting is completed the generation of sensor distributing to respective nodes position.
7. source electricity system falls in line voltage according to claim 1 temporarily, it is characterized in that: the described source electricity computing module that falls temporarily comprises nodal impedance matrix constructing module, faulty line extraction module, fault type judge module and falls source electricity module temporarily; Described nodal impedance matrix constructing module adopts branch additional method, follows the additional branch road principle of temporal sequence structure node impedance matrix of breadth First, preferential Cheng Huan; Described faulty line extraction module is by monitoring point Observable branch road and the principle extraction possible breakdown circuit falling the judgement of upstream and downstream orientation, source temporarily; Described fault type judge module adopts and detects judgement fault type based on voltage magnitude and voltage sequence components value; Described source electricity module of falling temporarily asks for monitoring point voltage sequence components value to possible faulty line to set step-length, sorted by error between the voltage sequence components value asked for and the voltage sequence components measured value of measurement and position, namely the minimum point of error is fall source position temporarily.
8. source electricity system falls in line voltage according to claim 6 or 7 temporarily, it is characterized in that: described fault type comprises singlephase earth fault, two-phase short-circuit fault, double earthfault and three phase short circuit fault.
9. source electricity system falls in line voltage according to claim 1 temporarily, it is characterized in that: described application interface module comprises acquisition quantity of state module and calls basic function function interface module;
The quantity of state that described acquisition quantity of state module obtains comprises current sensor distributing and parameter, the current parameters falling source position and parameter, data memory module data mode and human-computer interface module temporarily;
The described function interface calling basic function function interface module and provide comprises operation and falls source electricity function temporarily, runs sensor distributing generating function, arranges and fall source electricity correlation parameter temporarily, arrange sensor distributing and generate parameter.
10. source electricity system falls in line voltage according to claim 1 temporarily, it is characterized in that: described human-computer interface module comprise source position display module falls temporarily, data input/import module, statistical conversion module, auto report completing module, parameter setting module and system management and authority module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310611693.3A CN103605027B (en) | 2013-11-26 | 2013-11-26 | Source electricity system falls in a kind of line voltage temporarily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310611693.3A CN103605027B (en) | 2013-11-26 | 2013-11-26 | Source electricity system falls in a kind of line voltage temporarily |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103605027A CN103605027A (en) | 2014-02-26 |
| CN103605027B true CN103605027B (en) | 2016-04-20 |
Family
ID=50123267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310611693.3A Active CN103605027B (en) | 2013-11-26 | 2013-11-26 | Source electricity system falls in a kind of line voltage temporarily |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103605027B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062545A (en) * | 2014-04-24 | 2014-09-24 | 合肥沃华电气技术有限公司 | Novel quick short circuit fault source locating method |
| CN104076228B (en) * | 2014-07-16 | 2016-10-12 | 西安科技大学 | A kind of bus criticality based on voltage dip and fragile degree appraisal procedure |
| CN104215882B (en) * | 2014-09-09 | 2017-02-22 | 中国矿业大学 | Voltage sag source locating method based on active single-port network resistor polarity |
| CN107576888B (en) * | 2015-03-04 | 2020-01-14 | 江苏省电力公司常州供电公司 | Positioning method of positioning system of electric energy quality disturbance source |
| CN104880643B (en) * | 2015-06-09 | 2017-09-29 | 国网四川省电力公司经济技术研究院 | The Optimal Configuration Method of voltage dip monitoring node |
| CN106226653A (en) * | 2016-08-11 | 2016-12-14 | 国网浙江省电力公司宁波供电公司 | The transfer law assessment system of the voltage dip of multistage power grid and appraisal procedure |
| CN106370913A (en) * | 2016-09-18 | 2017-02-01 | 浙江群力电气有限公司 | Node voltage dip severity evaluation system and evaluation method |
| CN107843812A (en) * | 2017-11-02 | 2018-03-27 | 海南电网有限责任公司琼海供电局 | A kind of electrical power distribution network fault location method and device |
| CN108226713B (en) * | 2018-02-05 | 2020-07-03 | 山东大学 | Concentric relaxation depression domain analysis method for voltage sag |
| CN109193665B (en) * | 2018-09-13 | 2022-01-04 | 华北电力大学 | Static parameter identification method for power grid branch based on SCADA measurement |
| CN111157837B (en) * | 2018-11-08 | 2021-11-05 | 中国石油化工股份有限公司 | Analysis method for voltage sag depression domain of oil field power distribution network |
| CN111157836B (en) * | 2018-11-08 | 2021-11-05 | 中国石油化工股份有限公司 | Method suitable for determining fault line range of oil field power distribution network |
| CN113281584B (en) * | 2021-04-21 | 2022-09-09 | 东南大学溧阳研究院 | Voltage sag source positioning method based on correction parameters |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738551A (en) * | 2009-12-15 | 2010-06-16 | 西南交通大学 | Method for intelligent analysis of transient power quality disturbance based on networking |
| CN102608493A (en) * | 2011-01-25 | 2012-07-25 | 华北电力科学研究院有限责任公司 | Method and device for positioning voltage sag source |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3395457B2 (en) * | 1995-06-20 | 2003-04-14 | 富士電機株式会社 | Automatic synchronizer |
| JP3614156B2 (en) * | 2002-07-24 | 2005-01-26 | セイコーエプソン株式会社 | Power circuit |
| US7620171B2 (en) * | 2004-10-29 | 2009-11-17 | Hubbell Incorporated | Method and apparatus for powering a DS3 device |
-
2013
- 2013-11-26 CN CN201310611693.3A patent/CN103605027B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738551A (en) * | 2009-12-15 | 2010-06-16 | 西南交通大学 | Method for intelligent analysis of transient power quality disturbance based on networking |
| CN102608493A (en) * | 2011-01-25 | 2012-07-25 | 华北电力科学研究院有限责任公司 | Method and device for positioning voltage sag source |
Non-Patent Citations (4)
| Title |
|---|
| 基于虚拟仪器的电压暂降分析系统;李杰;《中国优秀硕士学位论文全文数据库 工程科技II辑》;20120416(第5期);34-37 * |
| 电力系统电压暂降源定位方法综述;吕干云等;《电力系统保护与控制》;20101201;第38卷(第23期);241-245 * |
| 电压暂降分析方法研究;周林等;《高电压技术》;20080531;第34卷(第5期);1010-1015 * |
| 电压暂降源定位的优化综合判据法;吴干云等;《电力系统保护与控制》;20130301;第41卷(第5期);66-70 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103605027A (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103605027B (en) | Source electricity system falls in a kind of line voltage temporarily | |
| CN101968525B (en) | Fault positioning method for power distribution network by combining simulation calculation and real-time monitoring | |
| CN103105550B (en) | A kind of intelligent relay protection device detection method and system | |
| CN102193504B (en) | Safety and stability control system modeling method in power system dynamic simulation | |
| CN102184209A (en) | Simulation data accessing method based on power grid CIM (Common Information Model) interface | |
| JP2018081299A (en) | Dynamic dispatcher training simulator | |
| CN114113834A (en) | Low-voltage power distribution Internet of things interactive function test bed area and management system thereof | |
| CN110569557A (en) | Intelligent autonomous design platform for power transmission and transformation project and working method thereof | |
| Ling et al. | The situation and trends of feeder automation in China | |
| CN105373008A (en) | Full physics model simulation method for electric power system | |
| CN111444664A (en) | Power distribution network closed loop current calculation method and system containing multi-branch line | |
| CN105207221A (en) | Method for enhancing power grid voltage stability under situation of high-proportion external power receiving | |
| Li et al. | An integrated online dynamic security assessment system for improved situational awareness and economic operation | |
| CN202383212U (en) | Closed loop test system for simulating STATCOM | |
| Ruh et al. | Micro-grid operation of inverter based distributed generation with voltage and frequency dependent loads | |
| CN116566056A (en) | Energy management analysis system of rail transit traction power supply system | |
| US20230082184A1 (en) | Two-step oscillation source locator | |
| CN115186974A (en) | Power distribution network power supply quality comprehensive evaluation method and system based on business middling station | |
| Liu et al. | Modeling simulation technology research for distribution network planning | |
| Snodgrass et al. | Case study of enhancing the MATPOWER Polish electric grid | |
| Chen et al. | Hierarchical distribution network topology formulation and dimensionality reduction using homeomorphism transformation | |
| Zhang et al. | Network reduction for power flow based applications | |
| Tuinema et al. | Network redundancy versus generation reserve in combined onshore-offshore transmission networks | |
| Huang et al. | Static Voltage Stability Margin Calculation and Characteristics of Very Large Urban Power Grid | |
| Li et al. | Identifying key nodes in the power system considering node properties |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |