CN106096810B - Method and system for planning based on power distribution network operation data Yu geographical topology information - Google Patents
Method and system for planning based on power distribution network operation data Yu geographical topology information Download PDFInfo
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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
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06312—Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The present invention relates to a kind of method and system for planning based on power distribution network operation data Yu geographical topology information, this method and system are according to power distribution network infrastructure device attribute information, topology information and real-time traffic information, generate the power parameter of power distribution network, transformer load parameter, line load parameter and quality of voltage parameter, and calculate the predicted load of each bar feeder line in power distribution network network topological diagram in area to be planned, further according to predicted load, power parameter, transformer load parameter, line load parameter and the planning reference index of quality of voltage parameter generation are adjusted to the distribution transformer or circuit in area to be planned, so as to obtain the programme for being adjusted to power distribution network.Power distribution network operation data is combined by this method and system with actual geographic topology information, realize the information sharing with other information system resource, the ageing of information is improved, and greatly reduces the artificial amount of calculation of complexity, therefore improves the planning efficiency of power distribution network.
Description
Technical field
It is more particularly to a kind of to be based on power distribution network operation data and geographical topology the present invention relates to technical field of power systems
The method and system for planning of information.
Background technology
In recent years, " building strong power distribution network " becomes one of content if technical staff very pay close attention to, wherein,
Distribution network planning work is an extremely complex system engineering, big with scale, uncertain factor and imprecise data it is many and
It is related to the characteristics of field is wide, it is needed to collect substantial amounts of relevant data, and accurately deep analysis is also carried out to it and is judged, therefore
Computer project accessory system becomes the essential instrument of distribution network planning.Domestic and international application is in planning and design of power system
Related software mainly have PSASP, BPA etc., calculate related analysis although these softwares can provide grid simulation and calculate work
Tool, but do not designed directly against distribution network planning, without complete planning function, and based on the distribution of analysis calculating instrument
Net planning system often only exists independent software kit, and relevant information needs independent input, there is the delay of data, cause to match somebody with somebody
Electric Power Network Planning it is less efficient.
The content of the invention
Based on this, it is necessary to for existing distribution network planning method and system planning efficiency it is low the problem of there is provided one kind
Method and system for planning based on power distribution network operation data Yu geographical topology information.
To solve the above problems, the present invention takes following technical scheme：
A kind of planing method based on power distribution network operation data Yu geographical topology information, the described method comprises the following steps：
Obtain infrastructure device attribute information, topology information and the real-time traffic information of power distribution network；
The power distribution network is calculated according to the infrastructure device attribute information, the topology information and the real-time traffic information
Power parameter, transformer load parameter, line load parameter and quality of voltage parameter；
Calculate the predicted load of each bar feeder line in the power distribution network area to be planned；
Obtain and joined according to the predicted load, the power parameter, the transformer load parameter, the line load
The planning reference index that number and the quality of voltage parameter are generated；
The distribution transformer or circuit in the area to be planned are adjusted according to the planning reference index, it is raw
Into the programme for being adjusted to the power distribution network.
Correspondingly, the present invention also proposes a kind of planing method based on power distribution network operation data Yu geographical topology information, institute
The system of stating includes：
Information acquisition unit, infrastructure device attribute information, topology information and real-time traffic information for obtaining power distribution network；
Computing unit, for according to the infrastructure device attribute information, the topology information and the real-time traffic information
Calculate power parameter, transformer load parameter, line load parameter and the quality of voltage parameter of the power distribution network；
Load estimation unit, the predicted load for calculating each bar feeder line in the power distribution network area to be planned；
Index selection unit, for obtaining according to the predicted load, the power parameter, transformer load ginseng
Several, described line load parameter and the planning reference index of quality of voltage parameter generation；
Adjustment unit, for planning reference index to the distribution transformer or line in the area to be planned according to described
Road is adjusted, and generates the programme for being adjusted to the power distribution network.
The above-mentioned method and system for planning based on power distribution network operation data and geographical topology information is existing according to power distribution network
The network architecture and operation information, generate power parameter, transformer load parameter, line load parameter and the quality of voltage of power distribution network
Parameter, and the predicted load of each bar feeder line in power distribution network network topological diagram in area to be planned is calculated, it is pre- further according to load
Measured value, power parameter, transformer load parameter, line load parameter and the planning reference index of quality of voltage parameter generation are treated
Distribution transformer or circuit in planning region are adjusted, so as to obtain the planning side for being adjusted to power distribution network
The thought that case, this method and system are merged based on multidimensional data, power distribution network topology information is combined with actual geography information,
The information sharing with other information system resource is realized, the ageing of information is improved, and greatly reduce the artificial of complexity
Amount of calculation, therefore the planning of science activities efficiency of power distribution network is improved, while being built to improving power system production efficiency, distribution project
If management etc. is of great practical significance.
Brief description of the drawings
Fig. 1 is the planing method based on power distribution network operation data Yu geographical topology information in one of embodiment of the invention
Schematic flow sheet；
Fig. 2 is the planing method based on power distribution network operation data Yu geographical topology information in one of embodiment of the invention
Structural representation.
Embodiment
Technical scheme is described in detail below in conjunction with accompanying drawing and preferred embodiment.
In one of the embodiments, it is a kind of based on power distribution network operation data and geographical topology information referring to described in Fig. 1
Planing method, this method comprises the following steps：
S100 obtains infrastructure device attribute information, topology information and the real-time traffic information of power distribution network；
S200 matches somebody with somebody according to being calculated the infrastructure device attribute information, the topology information and the real-time traffic information
Power parameter, transformer load parameter, line load parameter and the quality of voltage parameter of power network；
S300 calculates the predicted load of each bar feeder line in the power distribution network area to be planned；
S400 is obtained to be born according to the predicted load, the power parameter, the transformer load parameter, the circuit
Carry the planning reference index of parameter and quality of voltage parameter generation；
S500 is adjusted according to the planning reference index to the distribution transformer or circuit in the area to be planned
It is whole, generate the programme for being adjusted to the power distribution network.
Specifically, in step S100 in the present embodiment, infrastructure device attribute information, the topology information of power distribution network are obtained
And real-time traffic information, wherein infrastructure device attribute information, topology information and real-time traffic information together constituted for distribution
The multidimensional information that network planning is drawn, these multidimensional information can pass through GIS-Geographic Information System (Geographic Information
System, GIS) it is shown along Butut and corresponding network topology wiring diagram.
In step s 200, infrastructure device attribute information, topology information and the real time execution obtained according to step S100 is believed
Breath calculates power parameter, transformer load parameter, line load parameter and the quality of voltage parameter of power distribution network.This step is to obtaining
The infrastructure device attribute information of power distribution network, topology information and real-time traffic information carry out multi-source data association and handled with extraction
Afterwards, corresponding data are changed into, power distribution network is analyzed and processed according to the data after conversion, the power supply ginseng of power distribution network is calculated
Number, transformer load parameter, line load parameter and quality of voltage parameter, so as to be the offer reference of making rational planning for of power distribution network.
In step S300, the predicted load of each bar feeder line in power distribution network area to be planned is calculated, wherein, power distribution network
Area to be planned can be shown that area to be planned then can be by user by being opened up in power distribution network network by generalized information system
Flutter the choosing of figure center or choose relevant device in generalized information system and determine accordingly, this step can be pre- using existing load
Correlation technique is surveyed to calculate the predicted load of each bar feeder line in area to be planned.
As a kind of specific embodiment, each bar feeder line in power distribution network network topological diagram in area to be planned is calculated
The process of predicted load comprises the following steps：Obtain each distribution transformer in area to be planned in power distribution network network topological diagram
The service data of device, service data includes the history run time and corresponding year in each history run time of distribution transformer most
Big load value；History run time and annual peak load value to each distribution transformer carry out data process of fitting treatment, obtain every
The corresponding optimal fitting curve of one distribution transformer；It is pre- according to the load that the calculating of optimal fitting curve obtains each distribution transformer
Measured value；The predicted load of distribution transformer to belonging to same feeder line is calculated, and the feeder load for obtaining the feeder line is pre-
Measured value.Specifically, in the present embodiment, the service data of each distribution transformer in the area to be planned of acquisition includes every
The history run time of one distribution transformer and corresponding annual peak load value of each history run time, in addition, service data
Distribution transformer ID, model, affiliated feeder line, load character, annual load etc. can also be included, so as to be region to be predicted
Load prediction provides more comprehensive data；It is maximum by the history run time to each station power distribution transformer and corresponding year
Load value carry out data process of fitting treatment, obtain each transformer it is corresponding one on history run time and annual peak load
The optimal fitting curve of value；The corresponding optimal fitting curve of each station power distribution transformer has been obtained, according to the optimal fitting curve,
The predicted load for obtaining the distribution transformer under the history run time can be calculated；Distribution transformer to belonging to same feeder line
The predicted load of device is calculated, such as the predicted load sum for calculating the distribution transformer for belonging to same feeder line,
Finally give the feeder load predicted value of the feeder line.The above-mentioned method on predicting feeder load predicted value is based on distribution transformer
History data, the corresponding optimal fitting of each distribution transformer is obtained by the data process of fitting treatment to service data bent
Line, then under optimal fitting curve calculate feeder line predicted load, so as to improve the accuracy of the load prediction of feeder line.
History run time and annual peak load value to each distribution transformer carry out data process of fitting treatment, obtain each
During the corresponding optimal fitting curve of distribution transformer, more approximating method can be used, is specifically implemented as one of which
Mode, history run time and annual peak load value to each distribution transformer carry out data process of fitting treatment, obtain each match somebody with somebody
The process of the corresponding optimal fitting curve of piezoelectric transformer may include following steps：Respectively according to linear function, quadratic polynomial letter
Number and exponential function carry out data process of fitting treatment to the history run time of each transformer and annual peak load value, obtain corresponding
Matched curve；Determine corresponding load match value of each history run time respectively according to matched curve；It is negative according to year maximum
Charge values and corresponding load match value calculate standard deviation, and the matched curve corresponding to minimum sandards difference is defined as into transformer correspondence
Optimal fitting curve.Present embodiment utilizes the history run time of three different functions respectively to each distribution transformer
Data process of fitting treatment is carried out with annual peak load value, and annual peak load value and load fitting are calculated according to obtained matched curve
Standard deviation between value, the corresponding optimal fitting curve of transformer is determined by standard of comparison difference, transformation is further increased
The precision of device predicted load and the degree of accuracy.
In step S400, obtain according to predicted load, power parameter, transformer load parameter, line load parameter
The planning reference index generated with quality of voltage parameter, the planning reference index can be by related analysis process system to power supply
Parameter, transformer load parameter, line load parameter, quality of voltage parameter combination predicted load are carried out after analysis calculating, root
Generated according to analysis result, or inputted by user and obtained.
Finally, in step S500, the planning reference index generated according to step S400 is to the distribution in area to be planned
Transformer or circuit are adjusted, and generate the programme of power distribution network, for example, according to planning reference index to area to be planned
Interior distribution transformer or circuit is increased or deleted etc. adjustment, corresponding programme is generated after adjustment, the planning
Scheme is used to be adjusted power distribution network.
The planing method based on power distribution network operation data and geographical topology information that the present embodiment is proposed is according to power distribution network
The existing network architecture and operation information, generate power parameter, transformer load parameter, line load parameter and the electricity of power distribution network
Mass parameter is pressed, and calculates the predicted load of each bar feeder line in power distribution network network topological diagram in area to be planned, further according to
Predicted load, power parameter, transformer load parameter, line load parameter and the planning reference of quality of voltage parameter generation refer to
Mark is adjusted to the distribution transformer or circuit in area to be planned, so as to obtain the rule for being adjusted to power distribution network
Power distribution network topology information is combined by the scheme of drawing, the thought that this method is merged based on multidimensional data with actual geography information, real
Now with the information sharing of other information system resource, the ageing of information is improved, and greatly reduce the artificial meter of complexity
Calculation amount, therefore the planning of science activities efficiency of power distribution network is improved, while the construction to improving power system production efficiency, distribution project
Management etc. is of great practical significance.
As a kind of specific embodiment, infrastructure device attribute information, topology information and the real-time fortune of power distribution network are obtained
It is further comprising the steps of before the step of row information：From Distribution Network Job Management System, Power marketing management information system and ground
Infrastructure device attribute information, topology information and the real-time traffic information of information system extract real-time power distribution network are managed, and by the base
Plinth device attribute information, the topology information and the real-time traffic information are stored in database.Present embodiment be based on
The resource of current existing information system such as Distribution Network Job Management System, Power marketing management information system and generalized information system is total to
Enjoy, by multi-source data communications technology, respectively by Distribution Network Job Management System, Power marketing management information system and GIS systems
Unite corresponding infrastructure device attribute information, topology information and real-time traffic information is collected, so as to set up power distribution network dynamic number
According to, enhance with other systems data exchange share efficiency while, reduce respectively from each information system collect data
Workload, can for distribution network planning transformation more timely, accurate information is provided.
As a kind of specific embodiment, generate further comprising the steps of after the programme step of power distribution network：Meter
Calculate the corresponding distribution transforming load factor parameter of programme, feeder line load factor parameter, minimal path parameter and equipment deficiency parameter；According to
Varying load rate parameter, feeder line load factor parameter, minimal path parameter, equipment deficiency parameter and the corresponding weight calculation of parameters
The assessment parameter of programme；The optimum programming scheme of power distribution network is determined according to assessment parameter.In the present embodiment, according to rule
Draw reference index to be adjusted the distribution transformer or circuit in area to be planned, generate for being adjusted to power distribution network
Programme after, the programme also to generation is compared judgement, with determine be used for power distribution network is adjusted most
Excellent programme, specifically, calculating the corresponding distribution transforming load factor parameter of programme, feeder line load factor parameter, minimal path first
Parameter and equipment deficiency parameter, wherein, distribution transforming load factor parameter can be by calculating the maximum of distribution transformer in programme
Electric current and the ratio of rated current are worth to, feeder line load factor parameter can by calculate in programme the maximum current of feeder line with
The ratio of rated current is worth to, and minimal path parameter can carry out analyzing by improving minimal path path-finding method to programme
Arrive, equipment deficiency parameter can be obtained according to equipment operating data in programme and heavily loaded number of times analysis；Obtain matching somebody with somebody varying load
It is corresponding according to parameters and parameters after rate parameter, feeder line load factor parameter, minimal path parameter and equipment deficiency parameter
Weight is weighted read group total, obtains the assessment parameter of programme, and the corresponding weight of each of which parameter can be user
Sets itself or adjustment are actually needed according to distribution network planning；After the assessment parameter for obtaining programme, join according to assessing
Number determines the optimum programming scheme of power distribution network, for example, for multiple programmes, the programme maximum by parameter is assessed
It is defined as the optimum programming scheme of power distribution network.Present embodiment is carried out comprehensively to score using many kinds of parameters to programme
Analysis, and finally the assessment parameter of calculating programme, to determine optimum programming scheme, is more closed so as to be provided for distribution network planning
Reason and accurate programme, are conducive to improving the effect of distribution network planning.
Correspondingly, the present invention also proposes a kind of planing method based on power distribution network operation data Yu geographical topology information,
Shown in Figure 2 in one of embodiment, the system includes：
Information acquisition unit 100, infrastructure device attribute information, topology information and real time execution letter for obtaining power distribution network
Breath；
Computing unit 200, for being believed according to the infrastructure device attribute information, the topology information and the real time execution
Breath calculates power parameter, transformer load parameter, line load parameter and the quality of voltage parameter of the power distribution network；
Load estimation unit 300, the predicted load for calculating each bar feeder line in the power distribution network area to be planned；
Index selection unit 400, bears for obtaining according to the predicted load, the power parameter, the transformer
Carry the planning reference index of parameter, the line load parameter and quality of voltage parameter generation；
Adjustment unit 500, for according to the planning reference index to the distribution transformer in the area to be planned or
Person's circuit is adjusted, and generates the programme for being adjusted to the power distribution network.
Specifically, information acquisition unit 100 obtains infrastructure device attribute information, topology information and the real time execution of power distribution network
Information, wherein infrastructure device attribute information, topology information and real-time traffic information are together constituted for many of distribution network planning
Information is tieed up, these multidimensional information can pass through GIS-Geographic Information System (Geographic Information System, GIS) edge
Butut and corresponding network topology wiring diagram are shown.
Infrastructure device attribute information, topology information and real-time fortune that computing unit 200 is obtained according to information acquisition unit 100
Row information calculates power parameter, transformer load parameter, line load parameter and the quality of voltage parameter of power distribution network.Computing unit
The infrastructure device attribute information of power distribution network, topology information and the real-time traffic information of 200 pairs of acquisitions carry out multi-source data association with
After extraction processing, corresponding data are changed into, power distribution network is analyzed and processed according to the data after conversion, calculate power distribution network
Power parameter, transformer load parameter, line load parameter and quality of voltage parameter, so as to be the offer of making rational planning for of power distribution network
With reference to.
Load estimation unit 300 calculates the predicted load of each bar feeder line in power distribution network area to be planned, wherein, distribution
The area to be planned of net can be shown that area to be planned can then be passed through in power distribution network network by user by generalized information system
Topological diagram center selects or chooses relevant device in generalized information system and determine accordingly, and load estimation unit 300 can be using
Some load prediction correlation techniques calculate the predicted load of each bar feeder line in area to be planned.
As a kind of specific embodiment, load estimation unit 300 is included with lower module：Acquisition module, for obtaining
The service data of each distribution transformer in power distribution network network topological diagram in area to be planned, service data includes distribution transformer
The history run time of device and corresponding annual peak load value of each history run time；Fitting module, for each distribution
The history run time of transformer and annual peak load value carry out data process of fitting treatment, obtain each distribution transformer corresponding most
Excellent matched curve；Computing module, the predicted load of each distribution transformer is obtained for being calculated according to optimal fitting curve；It is negative
Lotus prediction module, the predicted load for the distribution transformer to belonging to same feeder line is calculated, and obtains the feeder line
Feeder load predicted value.Specifically, in the present embodiment, each distribution transformer in area to be planned that acquisition module is obtained
History run time and each history run time corresponding year maximum that the service data of device includes each distribution transformer are negative
Charge values, in addition, service data can also include distribution transformer ID, model, affiliated feeder line, load character, annual load etc.,
So as to provide more comprehensive data for the load prediction in region to be predicted；Fitting module passes through to each station power distribution transformer
History run time and corresponding annual peak load value carry out data process of fitting treatment, obtain the corresponding pass of each transformer
In history run time and the optimal fitting curve of annual peak load value；Fitting module has obtained each station power distribution transformer correspondence
Optimal fitting curve, computing module can calculate according to the optimal fitting curve and obtain under the history run time distribution and become
The predicted load of depressor；Load prediction module is counted to the predicted load for belonging to the distribution transformer of same feeder line
Calculate, for example, calculate the predicted load sum for the distribution transformer for belonging to same feeder line, the feeder line for finally giving the feeder line is born
Lotus predicted value.The above-mentioned load estimation unit base for being used to calculate the predicted load of each bar feeder line in power distribution network area to be planned
In the history data of distribution transformer, each distribution transformer correspondence is obtained by the data process of fitting treatment to service data
Optimal fitting curve, then under optimal fitting curve calculate feeder line predicted load so that the load for improving feeder line is pre-
The accuracy of survey.
Fitting module can carry out data fitting to the history run time of each distribution transformer and annual peak load value
Processing, obtains the corresponding optimal fitting curve of each distribution transformer, is used as one of which specific embodiment, fitting module
Including following submodule：Curve matching submodule, for respectively according to linear function, quadratic polynomial function and exponential function pair
The history run time of each transformer and annual peak load value carry out data process of fitting treatment, obtain corresponding matched curve；Intend
Conjunction value calculating sub module, for determining corresponding load match value of each history run time respectively according to matched curve；Judge
Submodule, for calculating standard deviation according to annual peak load value and corresponding load match value, by corresponding to minimum sandards difference
Matched curve is defined as the corresponding optimal fitting curve of transformer；It is pre- according to the load that optimal fitting curve calculates distribution transformer
Measured value；Further, the predicted load of the distribution transformer to belonging to same feeder line is calculated, for example, calculate and belong to same
Predicted load sum of the distribution transformer of one feeder line etc., and summed result is modified using simultaneity factor, so that
Obtain the feeder load predicted value of feeder line.The fitting module of present embodiment is using three different functions respectively to each distribution
The history run time of transformer and annual peak load value carry out data process of fitting treatment, and calculate year according to obtained matched curve
Standard deviation between peak load value and load match value, determines that the corresponding optimal fitting of transformer is bent by standard of comparison difference
Line, further increases precision and the degree of accuracy of transformer load predicted value.
Index selection unit 400 is obtained according to predicted load, power parameter, transformer load parameter, line load ginseng
The planning reference index that number and quality of voltage parameter are generated, the planning reference index can be by related analysis process system to electricity
Source parameter, transformer load parameter, line load parameter, quality of voltage parameter combination predicted load carry out analysis calculating, root
Generated according to analysis result.
Finally, the planning reference index that adjustment unit 500 is obtained according to index selection unit 400 is in area to be planned
Distribution transformer or circuit are adjusted, and generate the programme of power distribution network, for example, according to planning reference index to be planned
Distribution transformer or circuit in region are increased or deleted etc. adjustment, and corresponding programme is generated after adjustment, should
Programme is used to be adjusted power distribution network.
The planing method based on power distribution network operation data and geographical topology information that the present embodiment is proposed is according to power distribution network
The existing network architecture and operation information, generate power parameter, transformer load parameter, line load parameter and the electricity of power distribution network
Mass parameter is pressed, and calculates the predicted load of each bar feeder line in power distribution network network topological diagram in area to be planned, further according to
Predicted load, power parameter, transformer load parameter, line load parameter and the planning reference of quality of voltage parameter generation refer to
Mark is adjusted to the distribution transformer or circuit in area to be planned, so as to obtain the rule for being adjusted to power distribution network
Power distribution network topology information is combined by the scheme of drawing, the thought that the system is merged based on multidimensional data with actual geography information, real
Now with the information sharing of other information system resource, the ageing of information is improved, and greatly reduce the artificial meter of complexity
Calculation amount, therefore the planning of science activities efficiency of power distribution network is improved, while the construction to improving power system production efficiency, distribution project
Management etc. is of great practical significance.
As a kind of specific embodiment, the planing method based on power distribution network operation data and geographical topology information is also wrapped
Database Unit is included, the Database Unit is used for from Distribution Network Job Management System, Power marketing management information system and geography
Information system extract real-time and infrastructure device attribute information, topology information and the real-time traffic information for storing power distribution network, obtain single
Member obtains infrastructure device attribute information, topology information and real-time traffic information from Database Unit.Present embodiment based on
The planing method of operation of power networks data and geographical topology information is based on and current existing information system such as power distribution network production management
The resource-sharing of system, Power marketing management information system and generalized information system, by multi-source data communications technology, respectively by distribution
Net production management system, Power marketing management information system and the corresponding infrastructure device attribute information of generalized information system, topology information and
Real-time traffic information is collected, so as to set up the Database Unit of storage power distribution network dynamic data, is enhanced and other systems
While the efficiency that data exchange is shared, the workload for collecting data from each information system respectively is reduced, can be distribution
Net planning and improvement provides more timely, accurate information.
As a kind of specific embodiment, the planing method based on power distribution network operation data and geographical topology information is also wrapped
Determining unit is included, the determining unit is used to calculate the corresponding distribution transforming load factor parameter of programme, feeder line load factor parameter, minimum
Road parameter and equipment deficiency parameter；According to distribution transforming load factor parameter, feeder line load factor parameter, minimal path parameter, equipment deficiency ginseng
The assessment parameter of number and the corresponding weight calculation programme of parameters；The optimal rule of power distribution network are determined according to assessment parameter
The scheme of drawing.In the present embodiment, determining unit calculates the corresponding distribution transforming load factor parameter of programme, feeder line load factor first
Parameter, minimal path parameter and equipment deficiency parameter, wherein, distribution transforming load factor parameter can be become by calculating distribution in programme
The maximum current of depressor and the ratio of rated current are worth to, and feeder line load factor parameter can be by calculating feeder line in programme
Maximum current and the ratio of rated current are worth to, and minimal path parameter can be entered by improving minimal path path-finding method to programme
Row analysis is obtained, and equipment deficiency parameter can be obtained according to equipment operating data in programme and heavily loaded number of times analysis；Obtain
After distribution transforming load factor parameter, feeder line load factor parameter, minimal path parameter and equipment deficiency parameter, determining unit is according to parameters
And the corresponding weight of parameters is weighted read group total, the assessment parameter of programme, each of which parameter correspondence are obtained
Weight can be that user is actually needed sets itself or adjustment according to distribution network planning；Obtain the assessment ginseng of programme
After number, determining unit determines the optimum programming scheme of power distribution network according to parameter is assessed, for example, for multiple programmes,
The programme for assessing parameter maximum is defined as to the optimum programming scheme of power distribution network.Determining unit in present embodiment is utilized
Many kinds of parameters carries out comprehensive comparative analysis to programme, and finally calculates the assessment parameter of programme to determine optimal rule
The scheme of drawing, so as to provide more reasonable and accurate programme for distribution network planning, is conducive to improving the effect of distribution network planning
Really.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of planing method based on power distribution network operation data Yu geographical topology information, it is characterised in that comprise the following steps：
Obtain infrastructure device attribute information, topology information and the real-time traffic information of power distribution network；
The electricity of the power distribution network is calculated according to the infrastructure device attribute information, the topology information and the real-time traffic information
Source parameter, transformer load parameter, line load parameter and quality of voltage parameter；
Calculate the predicted load of each bar feeder line in the power distribution network area to be planned；Area to be planned passes through in power distribution network net
Network topological diagram center selects or chooses relevant device in generalized information system and determine accordingly；
Obtain according to the predicted load, the power parameter, the transformer load parameter, the line load parameter and
The planning reference index of the quality of voltage parameter generation；
The distribution transformer or circuit in the area to be planned are adjusted according to the planning reference index, generation is used
In the programme being adjusted to the power distribution network；
The process for calculating the predicted load of each bar feeder line in the power distribution network area to be planned comprises the following steps：
The service data of each distribution transformer in the power distribution network area to be planned is obtained, the service data includes described
The history run time of distribution transformer and corresponding annual peak load value of each history run time；
The history run time and the annual peak load value to each distribution transformer carry out data process of fitting treatment,
Obtain the corresponding optimal fitting curve of each distribution transformer；
The predicted load for obtaining each distribution transformer is calculated according to the optimal fitting curve；
The predicted load of the distribution transformer to belonging to same feeder line is calculated, and obtains the feeder line of the feeder line
Predicted load.
2. the planing method according to claim 1 based on power distribution network operation data Yu geographical topology information, its feature exists
In, before the step of obtaining infrastructure device attribute information, topology information and the real-time traffic information of power distribution network, in addition to it is following
Step：
From the base of Distribution Network Job Management System, Power marketing management information system and GIS-Geographic Information System extract real-time power distribution network
Plinth device attribute information, topology information and real-time traffic information, and by the infrastructure device attribute information, the topology information and
The real-time traffic information is stored in database.
3. the planing method according to claim 1 based on power distribution network operation data Yu geographical topology information, its feature exists
In, the history run time and the annual peak load value to each distribution transformer carry out data process of fitting treatment,
The process for obtaining the corresponding optimal fitting curve of each distribution transformer comprises the following steps：
The operation of each distribution transformer is gone through according to linear function, quadratic polynomial function and exponential function respectively
History time and the annual peak load value carry out data process of fitting treatment, obtain corresponding matched curve；
Corresponding load match value of each history run time is determined according to the matched curve respectively；
Standard deviation is calculated according to the annual peak load value and the corresponding load match value, by corresponding to minimum sandards difference
Matched curve is defined as the corresponding optimal fitting curve of the transformer.
4. the planing method according to claim 1 or 2 based on power distribution network operation data Yu geographical topology information, its feature
It is, it is further comprising the steps of after the programme step of the generation power distribution network：
Calculate the corresponding distribution transforming load factor parameter of the programme, feeder line load factor parameter, minimal path parameter and equipment deficiency
Parameter；
According to the distribution transforming load factor parameter, the feeder line load factor parameter, the minimal path parameter, the equipment deficiency parameter
And the assessment parameter of programme described in the corresponding weight calculation of parameters；
The optimum programming scheme of the power distribution network is determined according to the assessment parameter.
5. a kind of planing method based on power distribution network operation data Yu geographical topology information, it is characterised in that including：
Information acquisition unit, infrastructure device attribute information, topology information and real-time traffic information for obtaining power distribution network；
Computing unit, for being calculated according to the infrastructure device attribute information, the topology information and the real-time traffic information
Power parameter, transformer load parameter, line load parameter and the quality of voltage parameter of the power distribution network；
Load estimation unit, the predicted load for calculating each bar feeder line in the power distribution network area to be planned；It is to be planned
Region is by selecting in power distribution network network topological diagram center or choosing relevant device in generalized information system and determine accordingly；
Index selection unit, for obtain according to the predicted load, the power parameter, the transformer load parameter,
The line load parameter and the planning reference index of quality of voltage parameter generation；
Adjustment unit, for being entered according to the planning reference index to the distribution transformer or circuit in the area to be planned
Row adjustment, generates the programme for being adjusted to the power distribution network；
The load estimation unit is included with lower module：
Acquisition module, the service data for obtaining each distribution transformer in the power distribution network area to be planned, the fortune
Row data include history run time and the corresponding annual peak load of each history run time of the distribution transformer
Value；
Fitting module, is carried out for the history run time to each distribution transformer and the annual peak load value
Data process of fitting treatment, obtains the corresponding optimal fitting curve of each distribution transformer；
Computing module, the predicted load of each distribution transformer is obtained for being calculated according to the optimal fitting curve；
Load prediction module, based on the predicted load progress of the distribution transformer to belonging to same feeder line
Calculate, obtain the feeder load predicted value of the feeder line.
6. the planing method according to claim 5 based on power distribution network operation data Yu geographical topology information, its feature exists
In, in addition to Database Unit,
The Database Unit is used for from Distribution Network Job Management System, Power marketing management information system and GIS-Geographic Information System
Extract real-time simultaneously stores the infrastructure device attribute information, the topology information and the real-time traffic information, the acquisition list
Member obtains the infrastructure device attribute information, the topology information and the real-time traffic information from the Database Unit.
7. the planing method according to claim 5 based on power distribution network operation data Yu geographical topology information, its feature exists
In the fitting module includes following submodule：
Curve matching submodule, for described being matched somebody with somebody to each according to linear function, quadratic polynomial function and exponential function respectively
The history run time of piezoelectric transformer and the annual peak load value carry out data process of fitting treatment, obtain corresponding fitting bent
Line；
Match value calculating sub module, for determining that each history run time is corresponding negative respectively according to the matched curve
Lotus match value；
Judging submodule, will most for calculating standard deviation according to the annual peak load value and the corresponding load match value
Matched curve corresponding to small standard deviation is defined as the corresponding optimal fitting curve of the transformer.
8. the planing method based on power distribution network operation data Yu geographical topology information according to claim 5 or 6, its feature
It is, in addition to determining unit,
The determining unit is used to calculate the corresponding distribution transforming load factor parameter of the programme, feeder line load factor parameter, minimum
Road parameter and equipment deficiency parameter, join according to the distribution transforming load factor parameter, the feeder line load factor parameter, the minimal path
The assessment parameter of programme described in several, described equipment deficiency parameter and the corresponding weight calculation of parameters, according to described
Assess the optimum programming scheme that parameter determines the power distribution network.
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| CN106886655A (en) * | 2017-03-14 | 2017-06-23 | 华南理工大学 | A kind of improvement minimal path reliability based on distribution geographical topology data determines method |
| 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 |
| CN109753762B (en) * | 2019-03-05 | 2022-08-19 | 国网江苏省电力有限公司电力科学研究院 | Power distribution network two-stage network topology identification method and device based on category correction |
| CN110336378B (en) * | 2019-07-10 | 2023-06-27 | 云南电网有限责任公司电力科学研究院 | Power distribution network operation monitoring method based on holographic image technology |
| CN110705107B (en) * | 2019-10-08 | 2023-06-02 | 广东电网有限责任公司 | Power distribution network voltage evaluation method, system, equipment and storage medium |
| CN111428947A (en) * | 2020-04-29 | 2020-07-17 | 广东电网有限责任公司清远供电局 | Optimization method, device and equipment for power grid planning management |
| CN112053086B (en) * | 2020-09-18 | 2022-09-09 | 国网河南省电力公司濮阳供电公司 | Working method of operation diagnosis system based on big data power grid |
| CN112950043B (en) * | 2021-03-15 | 2022-11-01 | 国网河北省电力有限公司衡水供电分公司 | Power grid adaptation degree evaluation method, device, equipment and storage medium |
| CN113466629A (en) * | 2021-07-19 | 2021-10-01 | 广东电网有限责任公司广州供电局 | Method for accurately positioning weak link of distribution line |
| CN113689149A (en) * | 2021-10-09 | 2021-11-23 | 广东电网有限责任公司 | Planning method and device for power distribution network |
| CN114065554B (en) * | 2022-01-11 | 2022-04-08 | 国网北京市电力公司 | Power distribution network online planning method, device, equipment and medium |
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