CN110212525A - A kind of unified Load Calculation Method of power grid subregion and system - Google Patents
A kind of unified Load Calculation Method of power grid subregion and system Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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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
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Abstract
The invention discloses a kind of unified Load Calculation Method of power grid subregion and systems comprising the steps of: obtains the regional scope information that user specifies region, carries out division subregion to the specified region on graphics server；35 kilovolts of the subregion or less customer charge data are obtained from IDP equipment by IDP interface；Or by reading PMS2.0,35 kilovolts of the subregion and above large user's load are calculated according to topology；The subregion real-time load is calculated according to the customer charge data of acquisition.Its advantage is that: the system is based on PMS2.0 Net Frame of Electric Network topology and integrates IDP machine utilization and current data, by power station outlet percentage by sharing of load to each region, plant load is obtained by IDP interface, calculate the specified unified load of region all subregion, unified load data is provided for " smart city energy cloud platform ", convenient for safeguarding the information of specified regional scope and all subregion geographic range on map.
Description
Technical field
The present invention relates to electric power system and its automation fields, and in particular to a kind of unified carry calculation of power grid subregion
Method and system.
Background technique
With going from strength to strength for electric system, the number of users that power grid is related to is more and more, and power distribution network is directly used with power supply
Family connection, is the important component of electric system.For the scheduling convenient for ordinary energy, Pudong, Shanghai power supply company develops intelligence
Intelligent urban energy cloud platform.Smart city energy cloud platform extends the abnormal electricity consumption intellectual analysis of single client by point and face
To the whole industry, entire area, the industry modification information of government is allowed to collect more direct, timely, perfect.
Smart city energy cloud platform is power supply company, Pudong comprehensive to be opened based on what big data and Internet of Things thinking were made
It is laid flat platform, had both been the energy enterprises such as government and electric power, water utilities, combustion gas by collection, analysis, the application to energy big data
The upper layer energy resources management of energy supervision, energy source optimization is provided, and provides and is opened altogether for energy client and Energy Service Company
It enjoys, the comprehensive energy service interaction of flexible wisdom.
Wherein, the prediction with calculating of the unified load of power grid all subregion are the important of smart city energy cloud platform planning
Component part is obtained due to IDP (magnanimity history real time data releasing platform) equipment and PMS2.0 corresponding relationship by IDP equipment
The data such as the load taken may line-outgoing equipment do not correspond to and data be not allowed situation, the later period verify maintenance workload it is big, institute
The unified load phase of power grid subregion is accurately determined to be badly in need of a kind of unified Load Calculation Method of power grid subregion and system
Close data.
Summary of the invention
The purpose of the present invention is to provide a kind of unified Load Calculation Methods of power grid subregion and system, the system to be based on
PMS2.0 Net Frame of Electric Network topology simultaneously integrated IDP machine utilization and current data, by power station outlet percentage by sharing of load extremely
Each region obtains plant load by IDP interface, calculates the specified unified load of region all subregion, is " smart city energy
Source cloud platform " provides unified load data, convenient for safeguarding specified regional scope and all subregion geographic range on map
Information.
In order to achieve the above object, the invention is realized by the following technical scheme:
A kind of unified Load Calculation Method of power grid subregion comprising the steps of:
The regional scope information that user specifies region is obtained, the specified region is carried out on graphics server to divide son
Region；
35 kilovolts of the subregion or less customer charge data are obtained from IDP equipment by IDP interface；Or pass through reading
PMS2.0 is taken, large user's load of 35 kilovolts of the subregion and above is calculated according to topology；
The subregion real-time load is calculated according to the customer charge data of acquisition.
Preferably, the subregion real-time load is the sum of all customer charge data in the subregion.
Preferably, the IDP interface is according to customer charge data of setting time interval acquiring.
Preferably, it is divided between the setting time 15 minutes.
Preferably, when main transformer outlet supplies a large user, large user's load is that load is confessed in the main transformer outlet；
Or, one main transformer of mounting and one 35 kilovolts and the large user of above under the main transformer outlet, it is described greatly
Customer charge is that the load that load subtracts a main transformer is confessed in the main transformer outlet；
Or/and when main transformer outlet mounts more than one large user, large user's load is carried out according to user capacity ratio
Distribution.
Preferably, when one main transformer of mounting under main transformer outlet and multiple 35 kilovolts and the large user of above, institute
Stating the sum of multiple large user's loads is that the load that load subtracts a main transformer is confessed in the main transformer outlet, and single large user is negative
Lotus is to be allocated the sum of the multiple large user's load according to user capacity ratio.
Preferably, a kind of system for the unified carry calculation of power grid subregion includes:
Graphics server is responsible for for obtaining specified regional scope to specified region division subregion；
Unified load data manages library, stores customer charge data；
IDP equipment by the exportable main transformer line load of IDP interface, goes out line current and other information；
PMS2.0 obtains the network frame topology information of subregion status grid equipment；
Calculation server calculates large user's load and real-time load.
Compared with the prior art, the present invention has the following advantages:
(1) a kind of method and system of unified carry calculation of power grid subregion provided by the invention, the system are based on
PMS2.0 Net Frame of Electric Network topology and integrated IDP machine utilization and current data, realize the calculating of the specified unified load in region, are
" smart city energy cloud platform " provides unified load data, convenient for safeguarding specified regional scope and each sub-district on map
The information of domain geographic range；
(2) by establishing IDP interface, 35 kilovolts or less customer charge data can accurately be obtained；
(3) the unified Load Calculation Method of power grid subregion provided by the invention is calculated specified based on Net Frame of Electric Network topology
All types of user's outlet percentages (calculating by measure) of region all subregion, and each confession is calculated according to percentage and load data
The unified load of electronics regions.
Detailed description of the invention
Fig. 1 is the unified Load Calculation Method schematic diagram of power grid subregion of the present invention；
Fig. 2 is main transformer outlet supply area distribution distribution map in the present invention；
Fig. 3 is Zhangjiang science town subregion areal map in the present invention.
Specific embodiment
The present invention is further elaborated by the way that a preferable specific embodiment is described in detail below in conjunction with attached drawing.
As shown in Figure 1, be the unified Load Calculation Method schematic diagram of power grid subregion of the present invention, this method specifically include with
Lower step:
The regional scope information that user specifies region is obtained, the specified region is carried out on graphics server to divide son
Region；
35 kilovolts of described subregion or less (10 kilovolts) customer charge data are obtained from IDP equipment by IDP interface；
Or by reading PMS2.0, the big use of 35 kilovolts of the subregion and above is calculated according to topology
Family load；
The subregion real-time load is calculated according to the customer charge data of acquisition；The subregion real-time load is described
The sum of all customer charge data in subregion.
Usually, 35 kilovolts or less customer charges are 10 kilovolts of customer charges, large user's load refer to 35 kilovolts and with
The customer charge of upper voltage class.
A kind of system for the unified carry calculation of power grid subregion provided by the invention includes: graphics server, uses
In obtaining specified regional scope, it is responsible for specified region division subregion；Unified load data manages library, for storing user
Load data；IDP equipment, it is negative by the exportable main transformer route of IDP interface according to date, power supply company or main transformer id, outlet id
Lotus goes out line current and other information；PMS2.0, that is, equipment (assets) O&M lean management system, for obtaining subregion status electricity
The network frame topology information of net equipment；Calculation server, for calculating large user's load and real-time load.
The calculating of load at present mostly uses sharing of load Computing Principle, i.e., searches substation's outlet according to Net Frame of Electric Network topology
Institute counts the capacity of region Xia Gua substation (bar distribution transforming) for region, calculates the volume percent of outlet supply area,
If an outlet L of certain substation T is by region M and region N, it is SA that capacity is hung under M, and it is SB that capacity is hung under N, then outlet L is supplied
To the volume percent of region M and N are as follows: SA/ (SA+SB), SB/ (SA+SB).
As shown in Fig. 2, outlet L passes through region M, N.It is distribution transforming A (capacity Sa) power supply in the region M, in region, N is distribution transforming B
(capacity Sb) and user C (capacity Sc) power supply are that bar becomes D (capacity Sd) power supply outside region.Then
Region A volume percent=Sa/ (Sa+Sb+Sc+Sd) * 100%,
Region B volume percent=(Sb+Sc)/(Sa+Sb+Sc+Sd) * 100%.
According to the load data of the percentage zoning A or region B are as follows:
The load of route supply area A=I*U* √ 3*0.9* (region A volume percent),
The load of route supply area B=I*U* √ 3*0.9* (region B volume percent).
The acquisition of the customer charge data is mainly by the following two kinds of programs: scheme one obtains 35,000 by IDP interface
Lie prostrate following (10 kilovolts) customer charge data；Scheme two can not directly obtain large user's load data from marketing system at present, can
It is calculated by network frame topology relationship.
Wherein, the large user and its large user's load of described 35 kilovolts in scheme two and above mainly include
Three kinds below: (1), when main transformer outlet supply a large user, large user's load be the main transformer outlet confess load；(2),
As the large user for mounting a main transformer and one 35 kilovolts and above under main transformer outlet, large user's load is institute
It states main transformer outlet and confesses the load that load subtracts a main transformer；(3), when main transformer outlet mounts more than one large user, institute
It states large user's load to be allocated according to user capacity ratio, i.e., is allocated according to above-mentioned sharing of load Computing Principle.If (2)
Occur simultaneously with the case where (3), i.e., when one main transformer of mounting and multiple large users, the multiple large user's load under main transformer outlet
The sum of confess the load that load subtracts a main transformer for the main transformer outlet, single large user's load be will it is the multiple greatly
The sum of customer charge is allocated according to user capacity ratio.Herein, large user refers to the use of 35 kilovolts and above
Family.
Scheme one directly can obtain 35 kilovolts or less small customer charge data by IDP interface, and data are accurate, but large user
Load system belongs to marketing extraction system originally, and a delay may be had by pushing to IDP, and scheme two is by time restriction, so use side
Case two calculates the customer charge of large user.
The IDP interface is according to customer charge data of setting time interval acquiring, in the present embodiment, the IDP
35 kilovolts or less (10 kilovolts) the customer charge data of acquisition in interface every 15 minutes.Institute is calculated according to sharing of load Computing Principle
State large user's load.
As shown in figure 3, Zhangjiang science town regional scope and its partition information are safeguarded on graphics server map,
If there is partition information change, need to be safeguarded on map.By Zhangjiang science town (94 square kilometres) on graphics server
Seven subregions are divided into, specially former hi-tech development zones, Zhangjiang South, Cambridge industry park North, Shanghai International Medical Zone, health
Bridge industry park South, planning retain land used, the Science Innovation Center Sun Qiao.
It reads PMS2.0 and manages library data, obtain the network frame topology information of Zhangjiang science town region status grid equipment.Root
According to date, power supply company or main transformer id, outlet id, 96: 35 kilovolts of main transformer or less are obtained customer charge (15 minutes by IDP interface
Clock obtains primary), go out line current etc..
According to the above-mentioned unified Load Calculation Method of power grid subregion, the full mouth of all subregion is calculated by calculation server
Diameter load, by the cumulative unified load that Zhangjiang science town region can be obtained of the unified load of all subregion.
The unified load in the Zhangjiang science town region being calculated is written daily and once arrives unified load data pipe
Li Ku, smart city energy cloud platform actively obtain data from unified load data management library, can temporally provide Zhangjiang
The load data of science town's all subregion all types of user.
In conclusion the invention discloses a kind of unified Load Calculation Method of power grid subregion and system, the system base
In PMS2.0 and integrated IDP machine utilization and current data, sharing of load is passed through to each region by power station outlet percentage
IDP interface and PMS2.0 obtain plant load, calculate the specified unified load of region all subregion, are " the smart city energy
Cloud platform " provides unified load data, convenient for safeguarding specified regional scope and all subregion geographic range on map
Information.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a kind of unified Load Calculation Method of power grid subregion, which is characterized in that comprise the steps of:
The regional scope information that user specifies region is obtained, division sub-district is carried out to the specified region on graphics server
Domain；
35 kilovolts of the subregion or less customer charge data are obtained from IDP equipment by IDP interface；Or pass through reading
Large user's load of 35 kilovolts of the subregion and above is calculated according to topology by PMS2.0；
The subregion real-time load is calculated according to the customer charge data of acquisition.
2. the unified Load Calculation Method of power grid subregion as described in claim 1, which is characterized in that
The subregion real-time load is the sum of all customer charge data in the subregion.
3. being used for the unified carry calculation system of power grid subregion as described in claim 1, which is characterized in that
The IDP interface is according to customer charge data of setting time interval acquiring.
4. being used for the unified carry calculation system of power grid subregion as claimed in claim 3, which is characterized in that
It is divided between the setting time 15 minutes.
5. the unified Load Calculation Method of power grid subregion as described in claim 1, which is characterized in that
When main transformer outlet supplies a large user, large user's load is that load is confessed in the main transformer outlet；
Or, mounting the large user of a main transformer and one 35 kilovolts and above, the large user under the main transformer outlet
Load is that the load that load subtracts a main transformer is confessed in the main transformer outlet；
Or/and when main transformer outlet mounts more than one large user, large user's load divides according to user capacity ratio
Match.
6. the unified Load Calculation Method of power grid subregion as claimed in claim 5, which is characterized in that
As one main transformer of mounting under main transformer outlet and multiple 35 kilovolts and the large user of above, the multiple large user
The sum of load is that the load that load subtracts a main transformer is confessed in the main transformer outlet, and single large user's load is will be described more
The sum of a large user's load is allocated according to user capacity ratio.
7. a kind of system for the unified carry calculation of power grid subregion, characterized by comprising:
Graphics server is responsible for for obtaining specified regional scope to specified region division subregion；
Unified load data manages library, stores customer charge data；
IDP equipment by the exportable main transformer line load of IDP interface, goes out line current and other information；
PMS2.0 obtains the network frame topology information of subregion status grid equipment；
Calculation server calculates large user's load and real-time load.
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