CN110245768A - A kind of power distribution network unit style division methods - Google Patents
A kind of power distribution network unit style division methods Download PDFInfo
- Publication number
- CN110245768A CN110245768A CN201810189169.4A CN201810189169A CN110245768A CN 110245768 A CN110245768 A CN 110245768A CN 201810189169 A CN201810189169 A CN 201810189169A CN 110245768 A CN110245768 A CN 110245768A
- Authority
- CN
- China
- Prior art keywords
- load
- load prediction
- prediction
- distribution network
- planning
- 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
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
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- 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
Abstract
The present invention provides a kind of distribution network planning method, include the following steps: to carry out future load forecast and recent load prediction to planning region, obtain load prediction results: future load forecast includes township load prediction, rural resident's life and electric heating load prediction and agriculture load prediction, and recent load prediction includes natural increase load prediction, large user's load prediction and electric heating load prediction；Carry out power distribution network As-Is Assessment to planning region, obtain assessment result: power distribution network As-Is Assessment includes substation's analysis and medium-voltage line analysis；According to load prediction results and assessment result, determines substation location, grid structure, calculates substation capacity demand and capacity-load ratio check.The beneficial effects of the invention are as follows the construction that can optimize power grid；Distribution network construction and the project amount of transformation, scale of investment arrangement more rationalize.
Description
Technical field
The present invention relates to electric power electric technical fields, more particularly, to a kind of distribution network planning method.
Background technique
Power distribution network is the important component of power grid, is the important infrastructure in area.How to guarantee power distribution network for area
Socio-economic development and living standards of the people, which improve, provides good power supply, is mainly asking of being faced of distribution network planning
Topic.
Rural area power grid construction paces are relatively slow, build dynamics relative deficiency, the operation time limit is more than 20 years old
Equipment, operational safety hidden danger, the problems such as equipment level is insufficient still long-term existence.With the promotion of the level of agricultural productive forces, people
The continuous improvement of people's living standard, Development of China's Urbanization deepen continuously, necessarily to all kinds of cities including power infrastructures
City's infrastructure construction is put forward higher requirements.How the power supply capacity in rural area and Urban Areas power grid existing abundance is guaranteed, again
High-quality reliable power supply can be provided for economic development and the raising of living standards of the people, be main problem to be solved.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of distribution network planning method, can optimize electricity
The construction of net；Distribution network construction and the project amount of transformation, scale of investment arrangement more rationalize.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of distribution network planning method, including it is as follows
Step: future load forecast and recent load prediction are carried out to planning region, obtain load prediction results: the distant view load is pre-
Survey includes that township load prediction, rural resident's life and electric heating load prediction and agriculture load prediction, the recent load are pre-
Survey includes natural increase load prediction, large user's load prediction and electric heating load prediction；Distribution is carried out to the planning region
Net As-Is Assessment, obtains assessment result: the power distribution network As-Is Assessment includes substation's analysis and medium-voltage line analysis；According to institute
Load prediction results and the assessment result are stated, substation location, grid structure is determined, calculate substation capacity demand and holds load
Than checking.
Further, the township load prediction specific steps include:
According to the difference and its area accounting situation analysis load structure for planning all kinds of land character electricity consumptions of regional status
At；
Load prediction is carried out using district load density index method, obtains township load prediction results.
Further, the prediction result of rural resident's life and electric heating load prediction is determined using following formula,
P1=amount × each household power load
Further, the prediction result of the agriculture load prediction is determined using following formula,
P2=agricultural acreage/500 × 100/1000
Further, the specific steps of the natural increase load prediction include: to be gone through according to the load of the planning region
History data, select polynomial method, etc. growth rate methods, order curve method, the method for moving average and envelope model-Lower Bound Limit prediction side
Method；It is balanced by the multipath of a variety of different mathematics methods, obtains the pre- of the planning region natural increase load prediction
Survey result.
Further, the prediction technique of large user's load prediction are as follows: according to status large user's electricity consumption level, in conjunction with rule
Large user's situation during drawing, predicts the planning region large user load.
Further, the prediction technique of the electric heating load prediction are as follows: in conjunction with planning period heating system situation, to institute
Planning region electric heating load is stated to be predicted.
Further, substation's analysis includes analyzing capacity matching reasonability, reactive compensation configuring condition, 10kV to go out
Line interval utilization power, substation's load factor and transforming plant main transformer N-1 verification.
Further, the prediction technique of medium pressure circuit analysis are as follows: horizontal, negative from network structure level, grid equipment
Lotus deliverability carries out analyzing and diagnosing to the planning region status 10kV public line situation.
Compared with prior art, the advantages and positive effects of the present invention are: the construction of power grid can be optimized, make power grid
Construction and upgrading it is more scientific, it is reasonable, specification, promote power distribution network appropriately exceeding development；Distribution network construction and the project amount of transformation,
Scale of investment arrangement more rationalizes, and optimizes project management.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, With reference to embodiment to this hair
It is bright to be described in further detail.Obviously, described embodiment is only a part of the embodiments of the present invention, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art obtain without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.It should be noted that for purposes of clarity, being omitted in explanation
The expression and description of component unrelated to the invention, known to persons of ordinary skill in the art and processing.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
The present embodiment provides a kind of distribution network planning methods, include the following steps:
Step 1: future load forecast and recent load prediction being carried out to planning region, obtain load prediction results: distant view
Load prediction includes township load prediction, rural resident's life and electric heating load prediction and agriculture load prediction, recent load
Prediction includes natural increase load prediction, large user's load prediction and electric heating load prediction；
Township load prediction specific steps include:
According to the difference and its area accounting situation analysis load structure for planning all kinds of land character electricity consumptions of regional status；
Load prediction is carried out using district load density index method, obtains township load prediction results.
The prediction result of rural resident's life and electric heating load prediction is determined using following formula,
P1=amount × each household power load
The prediction result of agriculture load prediction is determined using following formula,
P2=agricultural acreage/500 × 100/1000
The specific steps of natural increase load prediction include: the demand history data according to planning region, select multinomial
Method, etc. growth rate methods, order curve method, the method for moving average and envelope model-Lower Bound Limit prediction technique；Pass through a variety of different numbers
The multipath balance for learning model method, obtains the prediction result of planning region natural increase load prediction.
The prediction technique of large user's load prediction are as follows: according to status large user's electricity consumption level, in conjunction with planning period large user
Situation predicts planning region large user's load.
The prediction technique of electric heating load prediction are as follows: in conjunction with planning period heating system situation, to planning region electric heating
Load is predicted.
Step 2: carry out power distribution network As-Is Assessment to planning region, obtain assessment result: power distribution network As-Is Assessment includes becoming
Power station analysis and medium-voltage line analysis；
Substation's analysis includes analyzing capacity matching reasonability, reactive compensation configuring condition, 10kV outgoing line interval to utilize feelings
Condition, substation's load factor and transforming plant main transformer N-1 verification.
The prediction technique of medium-voltage line analysis are as follows:, grid equipment level horizontal from network structure, load service capability are to rule
Partition domain status 10kV public line situation carries out analyzing and diagnosing.
Step 3: according to load prediction results and assessment result, determining substation location, grid structure, calculate substation's appearance
Amount demand and capacity-load ratio are checked.
The beneficial effects of the present invention are: the construction of power grid can be optimized, make the construction and upgrading of power grid it is more scientific, it is reasonable,
Specification promotes power distribution network appropriately exceeding development；Distribution network construction and the project amount of transformation, scale of investment arrangement more rationalize,
Optimize project management.
One or more embodiments of the invention is described in detail above, but the content be only it is of the invention compared with
Good embodiment, should not be considered as limiting the scope of the invention.It is all according to equivalent change made by the present patent application range
With improve etc., should still be within the scope of the patent of the present invention.
Claims (9)
1. a kind of distribution network planning method, which comprises the steps of:
Future load forecast and recent load prediction are carried out to planning region, obtain load prediction results: the distant view load is pre-
Survey includes that township load prediction, rural resident's life and electric heating load prediction and agriculture load prediction, the recent load are pre-
Survey includes natural increase load prediction, large user's load prediction and electric heating load prediction；
Power distribution network As-Is Assessment is carried out to the planning region, obtain assessment result: the power distribution network As-Is Assessment includes power transformation
It stands and analyzes and medium-voltage line analysis；
According to the load prediction results and the assessment result, determines substation location, grid structure, calculates substation capacity
Demand and capacity-load ratio are checked.
2. distribution network planning method according to claim 1, it is characterised in that: the township load prediction specific steps packet
It includes:
According to the difference and its area accounting situation analysis load structure for planning all kinds of land character electricity consumptions of regional status；
Load prediction is carried out using district load density index method, obtains township load prediction results.
3. distribution network planning method according to claim 2, it is characterised in that: determine that the rural resident is raw using following formula
Living and electric heating load prediction prediction result,
P1=amount × each household power load.
4. distribution network planning method according to claim 2, it is characterised in that: determine that the agriculture load is pre- using following formula
The prediction result of survey,
P2=agricultural acreage/500 × 100/1000.
5. distribution network planning method according to claim 1, it is characterised in that: the natural increase load prediction it is specific
Step includes: the demand history data according to the planning region, select polynomial method, etc. growth rate methods, order curve method, shifting
The dynamic method of average and envelope model-Lower Bound Limit prediction technique；It is balanced, is obtained by the multipath of a variety of different mathematics methods
The prediction result of the planning region natural increase load prediction.
6. distribution network planning method according to claim 1, it is characterised in that: the prediction side of large user's load prediction
Method are as follows: according to status large user's electricity consumption level, in conjunction with planning period large user's situation, to the planning region large user load into
Row prediction.
7. distribution network planning method according to claim 1, it is characterised in that: the prediction side of the electric heating load prediction
Method are as follows: in conjunction with planning period heating system situation, the planning region electric heating load is predicted.
8. distribution network planning method according to claim 1, it is characterised in that: substation's analysis includes analysis capacity
Match reasonability, reactive compensation configuring condition, 10kV outgoing line interval utilization power, substation's load factor and transforming plant main transformer N-1
Verification.
9. distribution network planning method according to claim 1, it is characterised in that: the prediction technique of medium pressure circuit analysis
Are as follows:, grid equipment level horizontal from network structure, load service capability are to the planning region status 10kV public line situation
Carry out analyzing and diagnosing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189169.4A CN110245768A (en) | 2018-03-08 | 2018-03-08 | A kind of power distribution network unit style division methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189169.4A CN110245768A (en) | 2018-03-08 | 2018-03-08 | A kind of power distribution network unit style division methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110245768A true CN110245768A (en) | 2019-09-17 |
Family
ID=67882003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810189169.4A Pending CN110245768A (en) | 2018-03-08 | 2018-03-08 | A kind of power distribution network unit style division methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110245768A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112001525A (en) * | 2020-07-22 | 2020-11-27 | 温州电力设计有限公司 | Regional perspective and near-intermediate-period comprehensive load prediction method |
-
2018
- 2018-03-08 CN CN201810189169.4A patent/CN110245768A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112001525A (en) * | 2020-07-22 | 2020-11-27 | 温州电力设计有限公司 | Regional perspective and near-intermediate-period comprehensive load prediction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110245811A (en) | A kind of distribution network planning method | |
| CN107038530A (en) | A kind of power distribution network overall planning method and system | |
| CN106682810B (en) | Long-term operation method of cross-basin cascade hydropower station group under dynamic production of giant hydropower station | |
| CN104573853B (en) | The systematization of low-voltage platform area distribution network voltage quality evaluation and optimization solves method | |
| CN104766140A (en) | Layered and segmented modularized power grid scheduling method | |
| CN103577901A (en) | Method of intertidal zone wind power for accessing power grid | |
| CN110443402A (en) | A kind of urban distribution network gridding planing method adapting to high reliability power demands | |
| CN107067104A (en) | A kind of power supply grid load forecasting method based on GIS-Geographic Information System | |
| CN107832919A (en) | A kind of source net lotus coordinated control system for intermittent renewable energy access power network | |
| CN107748968A (en) | A kind of construction method of distribution network engineering cost Data Analysis Model | |
| CN110119888A (en) | A kind of active gridding planing method based on distributed generation resource access | |
| Jiang et al. | Study of future power interconnection scheme in ASEAN | |
| CN105956693B (en) | A kind of virtual plant economic load dispatching method based on distributed gradient algorithm | |
| CN108898239A (en) | A kind of site selection method for distribution transformer based on data analysis | |
| CN110245768A (en) | A kind of power distribution network unit style division methods | |
| CN108366073A (en) | A kind of safety utilization of electric power system for supporting ammeter online and user interaction | |
| CN115879652B (en) | Hierarchical collaborative planning method and device for energy network, electronic equipment and storage medium | |
| CN104217281A (en) | Power grid planning method oriented towards cluster planning of city | |
| CN105224993A (en) | A kind of substation planning method optimized power distribution network and run | |
| CN114548609B (en) | Water resource collaborative allocation method for ecological power generation and water supply | |
| Ma et al. | Evaluation model for economic operation of active distribution network orienting to energy internet | |
| CN106447061A (en) | Distributed power supply constant volume addressing method | |
| CN202705984U (en) | Combined flood-preventing optimized scheduling system for cascade reservoir group | |
| CN104361453A (en) | Decision-making method of intelligentization building projects of intelligent power distribution network | |
| CN109871983B (en) | Electric power energy management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190917 |