CN109086937A - A kind of substation's load distribution algorithm - Google Patents
A kind of substation's load distribution algorithm Download PDFInfo
- Publication number
- CN109086937A CN109086937A CN201810903068.9A CN201810903068A CN109086937A CN 109086937 A CN109086937 A CN 109086937A CN 201810903068 A CN201810903068 A CN 201810903068A CN 109086937 A CN109086937 A CN 109086937A
- Authority
- CN
- China
- Prior art keywords
- power supply
- load
- substation
- supply area
- accounting
- 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.)
- Pending
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 23
- 238000011156 evaluation Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 claims description 5
- 240000002853 Nelumbo nucifera Species 0.000 claims description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 2
- 238000013277 forecasting method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 201000004569 Blindness Diseases 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
-
- 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
- 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
-
- 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—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- 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
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Human Resources & Organizations (AREA)
- Economics (AREA)
- Strategic Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Marketing (AREA)
- General Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- Tourism & Hospitality (AREA)
- Health & Medical Sciences (AREA)
- Development Economics (AREA)
- Game Theory and Decision Science (AREA)
- Operations Research (AREA)
- Quality & Reliability (AREA)
- Public Health (AREA)
- Primary Health Care (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Educational Administration (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A kind of substation's load distribution algorithm, belongs to electric power distribution technical field.Including division of the power supply area unit, division of the power supply area cell data is connected with load estimation unit, load estimation unit data connection has power supply accounting evaluation unit, the relevant matrix unit of accounting evaluation unit data connection of powering, incidence matrix cell data is connected with distribution load computing unit, specifically includes the following steps: 1) counting each affiliated power supply area of substation;2) load of each power supply area of prediction to planning level year;3) the power supply accounting in planning level year is estimated;4) incidence matrix is formed according to power supply accounting;5) distribution load is calculated.Solve the problems, such as that existing substation's sharing of load blindness, adaptability is poor and low efficiency, substation is directly formed by grid equation to burden apportionment coefficient matrix, to effectively establish analytic modell analytical model, accuracy, adaptability and high efficiency during sharing of load are substantially increased.
Description
Technical field
The present invention relates to a kind of substation's load distribution algorithms, belong to electric power distribution technical field.
Background technique
In recent years, it is guarantee power industry in the reasonability and fairness of Market Operation mechanism, clear power grid is needed to advise
Draw the sharing of load work in realistically displayed.In the prior art, it is mainly then pressed by determining total load according to load prediction
According to principles such as capacity-load ratios, by sharing of load into each substation, and specifically how to distribute, ununified principle and thinking,
Mostly be it is artificial be allocated adjustment according to load prediction, there is biggish blindness, while it is inefficient, can not be by calculating
Machine realizes and quickly calculates that adaptability is poor.
For above-mentioned prior art situation, present invention applicant has done a large amount of beneficial explorations repeatedly, and final products take
Effective achievement was obtained, and forms technical solution described below.
Summary of the invention
In view of the above-mentioned deficiencies, straight by grid equation the present invention provides a kind of substation's load distribution algorithm
It connects to form substation to burden apportionment coefficient matrix, to effectively establish analytic modell analytical model, substantially increases sharing of load process
In accuracy, adaptability and high efficiency.
The present invention is achieved by the following technical solutions: a kind of substation's load distribution algorithm, comprising the following steps:
1) power supply area is divided, the affiliated power supply area of each substation is counted;
2) load of each power supply area of prediction to planning level year;
3) the power supply accounting in planning level year is estimated;
4) according to the power supply accounting of estimation, incidence matrix is formed;
5) distribution load is calculated.
Further, the detailed process of the step 1) are as follows: drawn power supply area using division of the power supply area unit
Point, and power supply area j belonging to each substation is counted, form associated diagram.
Further, the detailed process of the step 2) are as follows: using load estimation unit according to existing load prediction side
Method, prediction steps 1) described in power supply area j to planning level year total load Pj.
Further, the detailed process of the step 3) are as follows: using power supply accounting evaluation unit according to existing operation data
Estimate the power supply accounting in planning level year, the concept for accounting of powering are as follows:
Wherein, Pij is supply load of the substation i in power supply area j, and Pj is power supply area j to planning level year
Total load.
Further, the detailed process of the step 4) are as follows: formed using incidence matrix unit using accounting of powering as element
Incidence matrix.
Further, the detailed process of the step 5) are as follows: utilize distribution load computing unit, and born in step (2)
The incidence matrix calculating distribution load that rectangular element is formed is associated in the prediction data Pj of lotus predicting unit and step (4):
Wherein, n is the number of total power supply area, and i is i-th of substation.
Beneficial effects of the present invention:
1. substation is directly formed to burden apportionment coefficient matrix by grid equation, to effectively establish parsing
Model substantially increases accuracy, adaptability and high efficiency during sharing of load;
2. solving in existing sharing of load, adaptability is poor, and difference planning year sharing of load is associated with smaller, annual load
The problem of causing workload to increase almost is redistributed, has the characteristics that high-efficient, adaptable, sharing of load is reasonable;
3. the algorithm directly obtains distribution of the power supply to load and load to power supply by distribution coefficient matrix solution, have
There is engineering significance, and further to study and solving the problems, such as that power flow tracing provides new approaches.
Detailed description of the invention
Fig. 1 is overall architecture schematic diagram of the invention;
Fig. 2 is algorithm flow schematic diagram of the invention.
Specific embodiment
As shown in Fig. 1 to 2, a kind of substation's load distribution algorithm, including division of the power supply area unit, load prediction list
Member, power supply accounting evaluation unit, incidence matrix unit and distribution load computing unit, the division of the power supply area unit with
Load estimation unit establishes data connection, and the load estimation unit and power supply accounting evaluation unit establish data connection, institute
The power supply accounting evaluation unit and incidence matrix unit stated establish data connection, the incidence matrix unit and distribution load meter
It calculates unit and establishes data connection, specifically includes the following steps:
1) power supply area is divided, the affiliated power supply area j of each substation is counted;
Power supply area is divided using division of the power supply area unit, and counts power supply area j belonging to each substation,
Form associated diagram.
2) load Pj of each power supply area of prediction to planning level year;
Using load estimation unit according to existing load forecasting method, prediction steps 1) described in power supply area j arrive
The total load Pj in planning level year.
3) the power supply accounting in planning level year is estimated;
The power supply accounting for estimating planning level year according to existing operation data using power supply accounting evaluation unit, accounting of powering
Concept are as follows:
Wherein, Pij is supply load of the substation i in power supply area j, and Pj is power supply area j to planning level year
Total load.
4) according to the power supply accounting Aij of estimation, incidence matrix is formed;
It is formed using incidence matrix unit using accounting of powering as the incidence matrix of element.
5) distribution load is calculated.
Using distribution load computing unit, and in the prediction data Pj and step (4) of load estimation unit in step (2)
It is associated with the incidence matrix that rectangular element is formed and calculates distribution load:
Wherein, n is the number of total power supply area, and i is i-th of substation.
Therefore, substation is directly formed by grid equation to burden apportionment coefficient matrix, to effectively establish
Analytic modell analytical model substantially increases accuracy, adaptability and high efficiency during sharing of load.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with
In the case where spirit, changes, modifications that embodiment is carried out, replacement and variant still fall within protection scope of the present invention it
It is interior.
Claims (6)
1. a kind of substation's load distribution algorithm, which comprises the following steps:
1) power supply area is divided, the affiliated power supply area of each substation is counted;
2) load of each power supply area of prediction to planning level year;
3) the power supply accounting in planning level year is estimated;
4) according to the power supply accounting of estimation, incidence matrix is formed;
5) distribution load is calculated.
2. a kind of substation's load distribution algorithm as described in claim 1, characterized in that the detailed process of the step 1)
Are as follows: power supply area is divided using division of the power supply area unit, and counts power supply area j belonging to each substation, is formed
Associated diagram.
3. a kind of substation's load distribution algorithm as described in claim 1, characterized in that the detailed process of the step 2)
Are as follows: using load estimation unit according to existing load forecasting method, prediction steps 1) described in power supply area j to plan water
The total load Pj in non-leap year.
4. a kind of substation's load distribution algorithm as described in claim 1, characterized in that the detailed process of the step 3)
Are as follows: using power supply accounting evaluation unit according to existing operation data estimate planning level year power supply accounting, accounting of powering it is general
It reads are as follows:
Wherein, Pij is supply load of the substation i in power supply area j, and Pj is that power supply area j is born to the total of planning level year
Lotus.
5. a kind of substation's load distribution algorithm as described in claim 1, characterized in that the detailed process of the step 4)
Are as follows: it is formed using incidence matrix unit using accounting of powering as the incidence matrix of element.
6. a kind of substation's load distribution algorithm as described in claim 3 and 5, characterized in that the specific mistake of the step 5)
Journey are as follows: utilize distribution load computing unit, and prediction data Pj and the middle pass of step (4) to load estimation unit in step (2)
Join the incidence matrix that rectangular element is formed and calculate distribution load:
Wherein, n is the number of total power supply area, and i is i-th of substation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810903068.9A CN109086937A (en) | 2018-08-09 | 2018-08-09 | A kind of substation's load distribution algorithm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810903068.9A CN109086937A (en) | 2018-08-09 | 2018-08-09 | A kind of substation's load distribution algorithm |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109086937A true CN109086937A (en) | 2018-12-25 |
Family
ID=64834346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810903068.9A Pending CN109086937A (en) | 2018-08-09 | 2018-08-09 | A kind of substation's load distribution algorithm |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109086937A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109754129A (en) * | 2019-02-21 | 2019-05-14 | 清华大学 | Electric load form a team power supply plan optimization method and optimization device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105207200A (en) * | 2015-09-10 | 2015-12-30 | 国家电网公司 | Development coordination analyzing method for power grid with load distribution unbalance |
CN105322543A (en) * | 2015-11-30 | 2016-02-10 | 国网山东省电力公司经济技术研究院 | Incidence matrix based load distribution system and method |
-
2018
- 2018-08-09 CN CN201810903068.9A patent/CN109086937A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105207200A (en) * | 2015-09-10 | 2015-12-30 | 国家电网公司 | Development coordination analyzing method for power grid with load distribution unbalance |
CN105322543A (en) * | 2015-11-30 | 2016-02-10 | 国网山东省电力公司经济技术研究院 | Incidence matrix based load distribution system and method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109754129A (en) * | 2019-02-21 | 2019-05-14 | 清华大学 | Electric load form a team power supply plan optimization method and optimization device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105069527A (en) | Zone area reasonable line loss prediction method based on data mining technology | |
CN105389636A (en) | Low-voltage area KFCM-SVR reasonable line loss prediction method | |
CN103810539B (en) | Consider to change the electric automobile charging station capacity configuration optimizing method of electricity service availability | |
CN106021810A (en) | Thermal model modeling method for lithium ion battery pack based on air-cooling heat dissipating mode | |
CN107606745B (en) | Metro Air conditioner season by when ring control energy consumption prediction technique | |
CN102608535A (en) | Method for pre-measuring volume of lithium ion battery | |
WO2021082612A1 (en) | Power distribution station area load prediction method and apparatus | |
CN110247396A (en) | State Estimation for Distribution Network and system based on adaptive robust Unscented kalman filtering | |
CN106682763A (en) | Power load optimization and prediction method for massive sample data | |
CN104008433A (en) | Method for predicting medium-and-long-term power loads on basis of Bayes dynamic model | |
CN113484819B (en) | Method for diagnosing metering faults of electric energy meter in limited range based on high-frequency current sampling | |
WO2018214364A1 (en) | Precipitation forecast accuracy assessment method | |
CN107741578A (en) | A kind of original meter reading data processing method for intelligent electric energy meter kinematic error remote calibration | |
CN105510864B (en) | A kind of detection method of electric energy meter error metering | |
CN109086937A (en) | A kind of substation's load distribution algorithm | |
CN110348600B (en) | Reservoir capacity distribution method with maximum reservoir flood control benefit | |
CN104881722B (en) | A kind of peak load Forecasting Methodology based on load decomposition | |
CN102129506A (en) | Method for predicting theoretical line loss | |
CN103051001B (en) | Minor-cycle real-time generation schedule | |
CN105262148B (en) | The planning year power balance method of meter and wind power output characteristic | |
CN110866706A (en) | Method for differential comprehensive analysis and evaluation of regional power utilization requirements | |
CN109494810A (en) | Dispatch evaluation method and the power limiting distribution method of the evaluation in intermittent energy source power station | |
CN105741049A (en) | Space-time whole process oriented line loss change analysis method | |
CN105322543B (en) | Load Distribution System and method based on incidence matrix | |
CN105243446A (en) | Electricity consumption combined forecasting method based on particle swarm optimization |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181225 |
|
RJ01 | Rejection of invention patent application after publication |