CN107169597A - A kind of distribution network planning method for considering construction cost, city benefits and the harmonious three dimensionality of power supply - Google Patents
A kind of distribution network planning method for considering construction cost, city benefits and the harmonious three dimensionality of power supply Download PDFInfo
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Abstract
The invention discloses a kind of distribution network planning method for considering transformer substation construction cost, city benefits and the harmonious three dimensionality of power supply the optimal distribution network planning method of city integrated benefit can be obtained there is provided a kind of.This method combination urban planning and Electric Power Network Planning correlation theory, based on the big data under Urban Planning Perspective, multiple-factor Vector Grid platform, the factor of influence that urban planning is laid out to electric power quantifies, and carries out electric power optimization allocation plan based on this platform.This method analyzes the target and mechanism of action of urban planning and power planning, both interactions of carrier parsing and influencing mechanism by city space, build simultaneous model, using construction cost, city benefits, balanced three dimensions of power supply as target, reach that the city overall efficiency of distribution network planning is optimal.
Description
Technical field
The invention belongs to technical field of power systems, more particularly to one kind considers construction cost, city benefits and confession
The distribution network planning method of electrical equalization three dimensionality
Background technology
Distribution network planning is the important previous work of power grid construction, directly influences network structure, the power network of following power network
Investment, economical operation and electric network reliability, there is highly important meaning to power grid construction.But traditional distribution network planning is only
It is a kind of digitlization concept type planning, is planned and evaluated by mathematics, physics and chemistry logical model, lacks and actual cities space
Effectively linking, it is actual to implement there is larger gap with planning, cause larger cost budgeting deviation, circuit cabling and road and landscape
System lacks the problems such as making overall plans and coordinate.In addition, traditional Electric Power Network Planning is using the planning mode seen the people for the things, it is considered to mainly
The index of economic technology, and lack the consideration to activity, industry situation density of people etc. with the use relevant factor of people；And shortage pair
The understanding for the problems such as electric power networks neighbour keeps away effect, causes the problems in practical layout.
The content of the invention
Goal of the invention：In order to improve the deficiency of existing distribution network planning method, the present invention combines urban planning and power distribution network
Correlation theory is planned, proposes that one kind can reach that city overall efficiency is optimal and distribution network planning method in a balanced way of powering.
Technical scheme：The present invention proposes one kind and considers that city overall efficiency is optimal and the balanced power distribution network of powering
Planing method, based on urban planning geography information, it is considered to which electric power facility is laid out to the overall factor of influence of urban planning, and to each
The class factor is quantified, and based on this progress electric power optimization layout optimization.Optimization aim is that city overall efficiency is optimal, rather than
Traditional only consideration power network is optimal.
Area to be planned is divided into grating map, for representing that grid is numbered.Assuming that in a grid, same type
Circuit is identical with the construction cost of transformer station.
According to urban planning correlation theory, it is considered to urban planning multiple-factor.Urban planning to influence electric power facility layout
Correlation factor is calculated, including：
(1) the morphosis factor：Representation space morphosis (prototype) and the relation of electric power networks form, study form knot
The influence that structure is laid out to electric power, the understanding of Spatial prototype is converted into the assignment to different roads and function section.
(2) the behavioral activity factor：Expression behavior and the relation of energy consumption, the movable influence being laid out to electric power of research people.
(3) the land use factor：Represent different land use function and energy consumption, the influence that research land use is laid out to electric power.
(4) industry situation association factor：Represent the relation of industry situation and energy consumption, the coupling of research industry situation and energy consumption
Based on above-mentioned multiple-factor Vector Grid platform, the target and mechanism of action of analysis urban planning and power planning are led to
Cross both interactions of carrier parsing and the influencing mechanism of city space, the distribution network planning set up under following Urban Planning Perspective
Draw conjunctive model：
A. object function
Based on above-mentioned Vector Grid platform, the construction cost drawn from conventional electrical distribution network planning, city integrated cost, power supply are balanced
Property three dimensions as composite object function, make the maximization of city overall efficiency, expression formula is：
Wherein, i represents that grid is numbered, and N is multiple-factor Vector Grid number, and it is as follows that F respectively measures expression：
1) construction cost VcFi：
CFi=C1i+C2i+C3i
Wherein, CFiRepresent the financial cost that conventional electrical distribution network planning is drawn.C1iAnnual investment of substations and operation are arrived for conversion
Expense；C2iAnnual substation low-voltage side track investment expense is arrived for conversion；C3iTake for substation low-voltage side circuit year network loss
With.
eiFor 0-1 variables, whether representative builds transformer station, e on grid ii=1 represents " to build power transformation on grid i
Stand ", ei=0 represents " not building transformer station on grid i "；SiFor transformer station i capacity；r0For discount rate；t1Invested to build for needed for
The life-span of transformer station；t2For the life-span of invested to build substation low-voltage side circuit；g(eiSi) and u (eiSi) it is respectively transformer station yet to be built
Investment and operating cost；α is that feeder line invests factor；β is feeder line network loss factor；For
Distance between transformer station i and load point j；WjFor load point j load；JiFor all load points powered by grid i.
2) city benefits VcUi：
CUi=eiTi
Wherein TiThe city integrated cost of the construction transformer station on grid i is represented, is drawn by multiple-factor Vector Grid platform.
Wherein, ηtRepresent electric power facility construction to the factor of influence t of city integrated benefit weight, EitRepresent grid i t
The quantized value of the factor；M represents the number of the city integrated Efficiency factor.
3) the balanced Vc of power supplyBi：
Wherein CBiRepresent the balanced sexual intercourse of substation location and power load distributing.Wherein, M (Si) represent load factor：
Wherein, σ represents the load density of power supply area, dmaxRepresent maximum allowable radius of electricity supply.
B. constraints
1) substation capacity is constrained
Wherein,Represent power factor, rtRepresent simultaneity factor
2) radius of electricity supply is constrained
dij≤dmax
This method combination urban planning and Electric Power Network Planning correlation theory, based on the big data under Urban Planning Perspective, it is many because
Sub-vector grid table, the factor of influence that urban planning is laid out to electric power quantifies, and excellent based on this platform progress electric power
Change allocation plan.This method analyzes the target and mechanism of action of urban planning and power planning, passes through the carrier solution of city space
Both interactions of analysis and influencing mechanism, build simultaneous model, with construction cost, city benefits, balanced three dimensions of power supply
As target, reach that the city overall efficiency of distribution network planning is optimal.
Embodiment
The present invention is done below and further explained.
Consider the optimal distribution network planning method of city overall efficiency, its specific steps the invention provides a kind of
For：
(1) regional spatial form and structure to be planned, mobile phone signaling, energy consumption, Land-Use Pattern, industry situation data are gathered.Draw
Big data, multiple-factor Vector Grid under Urban Planning Perspective, and be numbered to each grid.
(2) above-mentioned Vector Grid is based on, the construction cost dimension, city benefits dimension, power supply for considering distribution network planning are equal
Weighing apparatus three dimensions of dimension.
(3) construction cost is tieed up：Transformer substation construction Cost Problems in distribution network planning are considered based on grid table, including it is every
If building investment and the operating cost of transformer station, substation low-voltage side track investment expense, substation low-voltage side line on individual grid
Road year cost of losses.
(4) city benefits are tieed up：Consider to build the city integrated cost of transformer station based on grid table, with reference to urban planning pair
The factor of influence of distribution network planning, including morphosis, behavioral activity, land use draw each grid because of, industry situation association factor
City integrated cost of the lattice to construction transformer station.
(5) equilibrium of powering is tieed up：Consider that the overall power supply of planning region is harmonious based on grid table.Determined by load factor
Justice power supply is harmonious, to reach the distribution of the substation capacity in region and the equilibrium of power load distributing.
(6) above three dimension is based on, is set up with the optimal distribution network planning model of city integrated benefit, is drawn and meet bar
The substation location and capacity of part, realize distribution network planning.
Area to be planned is divided into grating map, for representing that grid is numbered.Assuming that in a grid, same type
Circuit is identical with the construction cost of transformer station.
According to urban planning correlation theory, it is considered to urban planning multiple-factor.Urban planning to influence electric power facility layout
Correlation factor is calculated, including：
The morphosis factor：Representation space morphosis (prototype) and the relation of electric power networks form, study morphosis
The influence being laid out to electric power, the understanding of Spatial prototype is converted into the assignment to different roads and function section.
The behavioral activity factor：Expression behavior and the relation of energy consumption, the movable influence being laid out to electric power of research people.
The land use factor：Represent different land use function and energy consumption, the influence that research land use is laid out to electric power.
Industry situation association factor：Represent the relation of industry situation and energy consumption, the coupling of research industry situation and energy consumption.
Based on above-mentioned multiple-factor Vector Grid platform, the target and mechanism of action of analysis urban planning and power planning are led to
Cross both interactions of carrier parsing and the influencing mechanism of city space, the distribution network planning set up under following Urban Planning Perspective
Draw conjunctive model：
A, object function
Based on above-mentioned Vector Grid platform, the construction cost drawn from conventional electrical distribution network planning, city integrated cost, power supply are balanced
Property three dimensions as composite object function, make the maximization of city overall efficiency, expression formula is：
Wherein, i represents that grid is numbered, and N is multiple-factor Vector Grid number, and it is as follows that F respectively measures expression：
(1) construction cost VcFi：
CFi=C1i+C2i+C3i
Wherein, CFiRepresent the financial cost that conventional electrical distribution network planning is drawn.C1iAnnual investment of substations and operation are arrived for conversion
Expense；C2iAnnual substation low-voltage side track investment expense is arrived for conversion；C3iTake for substation low-voltage side circuit year network loss
With.
eiFor 0-1 variables, whether representative builds transformer station, e on grid ii=1 represents " to build power transformation on grid i
Stand ", ei=0 represents " not building transformer station on grid i "；SiFor transformer station i capacity；r0For discount rate；t1Invested to build for needed for
The life-span of transformer station；t2For the life-span of invested to build substation low-voltage side circuit；g(eiSi) and u (eiSi) it is respectively transformer station yet to be built
Investment and operating cost；α is that feeder line invests factor；β is feeder line network loss factor；For
Distance between transformer station i and load point j；WjFor load point j load；JiFor all load points powered by grid i.
(2) city benefits VcUi：
CUi=eiTi
Wherein TiThe city integrated cost of the construction transformer station on grid i is represented, is drawn by multiple-factor Vector Grid platform.
Wherein, ηtRepresent electric power facility construction to the factor of influence t of city integrated benefit weight, EitRepresent grid i t
The quantized value of the factor；M represents the number of the city integrated Efficiency factor.
(3) the balanced Vc of power supplyBi：
Wherein CBiRepresent the balanced sexual intercourse of substation location and power load distributing.Wherein, M (Si) represent load factor：
Wherein, σ represents the load density of power supply area, dmaxRepresent maximum allowable radius of electricity supply.
B, constraints
(1) substation capacity is constrained
Wherein,Represent power factor, rtRepresent simultaneity factor
(2) radius of electricity supply is constrained
dij≤dmax。
Claims (3)
1. a kind of distribution network planning method for considering construction cost, city benefits and the harmonious three dimensionality of power supply, its feature
It is using construction cost, city benefits and the harmonious three dimensionality of power supply is considered under Urban Planning Perspective, based on city rule
Geography information is drawn, the grid table under Urban Planning Perspective is obtained, it is considered to which electric power facility layout is to the overall influence of urban planning
The factor, and all kinds of factors are quantified, and electric power layout optimization is carried out based on this platform.
2. planing method as claimed in claim 1, it is characterised in that the factor of influence includes：
(1) the morphosis factor：Representation space morphosis (prototype) and the relation of electric power networks form, study morphosis pair
The influence of electric power layout, the understanding of Spatial prototype is converted into the assignment to different roads and function section.
(2) the behavioral activity factor：Expression behavior and the relation of energy consumption, the movable influence being laid out to electric power of research people.
(3) the land use factor：Represent different land use function and energy consumption, the influence that research land use is laid out to electric power.
(4) industry situation association factor：Represent the relation of industry situation and energy consumption, the coupling of research industry situation and energy consumption.
3. the planing method as described in claims 1 or 2, it is characterised in that described, flat based on above-mentioned multiple-factor Vector Grid
The target and mechanism of action of platform, analysis urban planning and power planning, pass through both phase interactions of the carrier parsing of city space
With with influencing mechanism, the distribution network planning conjunctive model set up under following Urban Planning Perspective：
A. object function
Based on above-mentioned Vector Grid platform, the construction cost drawn from conventional electrical distribution network planning, city integrated cost, power supply harmony three
Individual dimension makes city overall efficiency maximization as composite object function, and expression formula is：
Wherein, i represents that grid is numbered, and N is multiple-factor Vector Grid number, and it is as follows that F respectively measures expression：
1) construction cost VcFi：
CFi=C1i+C2i+C3i
Wherein, CFiRepresent the financial cost that conventional electrical distribution network planning is drawn.C1iAnnual investment of substations and operating cost are arrived for conversion；
C2iAnnual substation low-voltage side track investment expense is arrived for conversion；C3iFor substation low-voltage side circuit year cost of losses.
eiFor 0-1 variables, whether representative builds transformer station, e on grid ii=1 represents " building transformer station on grid i ", ei
=0 represents " not building transformer station on grid i "；SiFor transformer station i capacity；r0For discount rate；t1Transformer station is invested to build for needed for
Life-span；t2For the life-span of invested to build substation low-voltage side circuit；g(eiSi) and u (eiSi) be respectively transformer station yet to be built investment
And operating cost；α is that feeder line invests factor；β is feeder line network loss factor；For transformer station i
Distance between load point j；WjFor load point j load；JiFor all load points powered by grid i.
2) city benefits VcUi：
CUi=eiTi
Wherein TiThe city integrated cost of the construction transformer station on grid i is represented, is drawn by multiple-factor Vector Grid platform.
Wherein, ηtRepresent electric power facility construction to the factor of influence t of city integrated benefit weight, EitRepresent the grid i t factors
Quantized value；M represents the number of the city integrated Efficiency factor.
3) the balanced Vc of power supplyBi：
Wherein CBiRepresent the balanced sexual intercourse of substation location and power load distributing.Wherein, M (Si) represent load factor：
Wherein, σ represents the load density of power supply area, dmaxRepresent maximum allowable radius of electricity supply；
B. constraints
1) substation capacity is constrained
Wherein,Represent power factor, rtRepresent simultaneity factor
2) radius of electricity supply is constrained
dij≤dmax。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107563571A (en) * | 2017-09-26 | 2018-01-09 | 国网安徽省电力公司合肥供电公司 | A kind of electric power facility is laid out automatic planning |
| CN112686480A (en) * | 2021-03-17 | 2021-04-20 | 国网浙江省电力有限公司 | Cost estimation system and method based on standard cost system |
| CN113343426A (en) * | 2021-05-11 | 2021-09-03 | 山东大学 | Urban distribution network line gauge method and system considering real demand guidance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489076A (en) * | 2013-09-30 | 2014-01-01 | 国家电网公司 | Method for planning substations of power distribution network |
| US20160132616A1 (en) * | 2013-06-10 | 2016-05-12 | Siemens Aktiengesellschaft | Planning a power distribution network |
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- 2017-04-30 CN CN201710298752.4A patent/CN107169597B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160132616A1 (en) * | 2013-06-10 | 2016-05-12 | Siemens Aktiengesellschaft | Planning a power distribution network |
| CN103489076A (en) * | 2013-09-30 | 2014-01-01 | 国家电网公司 | Method for planning substations of power distribution network |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107563571A (en) * | 2017-09-26 | 2018-01-09 | 国网安徽省电力公司合肥供电公司 | A kind of electric power facility is laid out automatic planning |
| CN112686480A (en) * | 2021-03-17 | 2021-04-20 | 国网浙江省电力有限公司 | Cost estimation system and method based on standard cost system |
| CN113343426A (en) * | 2021-05-11 | 2021-09-03 | 山东大学 | Urban distribution network line gauge method and system considering real demand guidance |
| CN113343426B (en) * | 2021-05-11 | 2023-05-12 | 山东大学 | Urban power distribution network line planning method and system considering real demand guidance |
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