CN110059907A - A kind of site selection model design method of electric substation - Google Patents
A kind of site selection model design method of electric substation Download PDFInfo
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- CN110059907A CN110059907A CN201910032009.3A CN201910032009A CN110059907A CN 110059907 A CN110059907 A CN 110059907A CN 201910032009 A CN201910032009 A CN 201910032009A CN 110059907 A CN110059907 A CN 110059907A
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- 238000004364 calculation method Methods 0.000 abstract description 3
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- 238000005457 optimization Methods 0.000 abstract description 2
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Abstract
A kind of site selection model design method of electric substation, in this model, calculate the integrated capacity of each power load block in monomer industrial premises, load block is refined as using workshop plane as the point load of coordinate according to integrated capacity, coordinate points of each point load in workshop plane coordinates are marked out, the position of monomer industrial premises electric substation is determined according to power load distribution situation in workshop.The present invention is monomer industrial premises substation optimization addressing computation model, the model will select to provide calculation basis for monomer industrial premises electric substation position, the technology and economic problems considered required for the selection of engineering electric substation's early period position is greatly simplified, can select to provide the technical-economic index of technical support and quantization for electrical engineer's design scheme early period.It can be widely applied to all kinds of monomer industrial premises electric substation Site Selection.
Description
Technical field
The present invention relates to power engineering construction fields, the especially site selecting method in electric system place.
Background technique
For optimizing design scheme, when large scale industry plant area or monomer industrial premises Scheme Choice early period, is become
The addressing of electric institute, in order to close to load center, and then the preferable power supply quality of acquirement, and investment reduction expense.
But positioning substation is in design especially concept phase early period in engineering construction at present, 1, without more
Reliable calculation basis is more according to passing empirically determined position: and this experience foundation has no idea to quantify, in scheme
Reliable technical basis and technical-economic index can not be provided in discussion.2, part industrial working usually only considers work in overall planning
Comprehensive planning is not done in skill layout or building aesthetic sense, situation of building functional for electric substation, plant area etc., and the later period builds in plant area
When often bring many problems: if radius of electricity supply increase bring pressure drop it is excessive, power supply quality is poor the problems such as, and if the later period
Improve problems to need by increasing a series of remedial measures such as economic investment, this be easy to cause the wasting of resources.
Summary of the invention
The object of the present invention is to provide a kind of site selection model design methods of electric substation, to solve monomer industrial premises power transformation
The technical issues of institute's siteselecting planning is not comprehensive, without reliable selection gist and standard.
To achieve the above object, the present invention adopts the following technical scheme:
The technical solution further preferred as the present invention:
A kind of site selection model design method of electric substation is used for monomer industrial premises positioning substation, which is characterized in that tool
Steps are as follows for body:
Step 1 divides workshop internal loading block, and defines: load capacity-pi of load block；Pi=Σ p, in formula: p-
Plant capacity.
Step 2 calculates the integrated capacity of each load block, definition: integrated capacity-Pi, then
Pi=pi × Ki, in formula: Ki-load block Required coefficient.
Step 3 establishes the plane coordinate system of workshop, and the integrated capacity of load block is melted into point load, the coordinate of point load
Point is set as the geometric center point of load block, marks on monomer industrial premises plane coordinates, for coordinate where each point load
Assignment, corresponding points coordinate are denoted as (xi, yi).
Step 4 seeks the center (x, y) of point load according to following equation, wherein
In formula: PiThe calculating power of-i-th load block, i=1,2 ...
xiThe abscissa of-i-th load, i=1,2 ...
yiThe ordinate of-i-th load, i=1,2 ...
X-load center point abscissa.
Y-load center point ordinate.
Step 5, the center (x, y) for the point load sought are monomer industrial premises load center point position, and
The theoretical optimum position of monomer industrial premises electric substation.
Load block is divided according to different production workshop sections, process equipment type or certain area area in the step 1, often
The area of a load block is 500~1000m2。
In the step 3, the plane coordinate system of workshop is established using monomer industrial premises exterior wall as boundary.
Wherein plan view lower left corner cross, longitudinal axis intersection are set to 0 point of coordinate, and distance between axles is set to 1.
If distance between axles is inconsistent, using actual range as coordinate.
10/0.4kV electric substation carried out by the power transformation.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
The present invention is monomer industrial premises substation optimization addressing computation model, which will be the power transformation of monomer industrial premises
The selection of institute position provides calculation basis, greatly simplifies the technology considered required for the selection of engineering electric substation's early period position and economy is asked
Topic can be selected to provide the technical-economic index of technical support and quantization for electrical engineer's design scheme early period, be had the advantage that
1, by electric substation position, quantification obtains solution really.
2, in the modification period for reducing electric substation's scheme, the efficiency of site plot plan is improved.
3, easy to use, it is easy to operate.
It the composite can be widely applied to all kinds of monomer industrial premises electric substation Site Selection.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram that monomer industrial premises load block of the present invention divides
Fig. 2 is the schematic diagram of plane coordinate system of the present invention.
Specific embodiment
Embodiment one: monomer industrial premises positioning substation design methods, monomer industrial premises refer to single building
Object workshop: due to monomer industrial premises single property, only considering two factors of load capacity and coordinate, in this model, calculates
Out in monomer industrial premises each power load block integrated capacity, load block is refined as with workshop plane according to integrated capacity
For the point load of coordinate, coordinate points of each point load in workshop plane coordinates are marked out, according to power load in workshop point
Cloth situation determines the position of monomer industrial premises electric substation.
Specific calculating process is as follows:
Step 1 divides workshop internal loading block, and defines: load capacity-pi of load block；Pi=Σ p, in formula: p-
Plant capacity.
Step 2 calculates the integrated capacity of each load block, definition: integrated capacity-Pi, then Pi=pi × Ki, in formula:
Ki-load block Required coefficient, it is (continuous, short that the size of Required coefficient will comprehensively consider the load condition of electrical equipment, duty
When, repeat short-term operation) and the probability etc. that works while such equipment factor, value range is 0~1.
Step 3 establishes the plane coordinate system of workshop, and the integrated capacity of load block is melted into point load, the coordinate of point load
Point is set as the geometric center point of load block, marks on monomer industrial premises plane coordinates, for coordinate where each point load
Assignment, corresponding points coordinate are denoted as (xi, yi).
Step 4 seeks the center (x, y) of point load according to following equation, wherein
In formula: PiThe calculating power of-i-th load block, i=1,2 ...
xiThe abscissa of-i-th load, i=1,2 ...
yiThe ordinate of-i-th load, i=1,2 ...
X-load center point abscissa.
Y-load center point ordinate.
Step 5, the center (x, y) for the point load sought are monomer industrial premises load center point position, and
The theoretical optimum position of monomer industrial premises electric substation.
Load block is divided according to different production workshop sections, process equipment type or certain area area in the step 1, often
The area of a load block is 500~1000m2, in this example, single-storey factory building area 10000m2Left and right, it is proposed that divide 10~15 and bear
Lotus block.
It is shown in Figure 2, in the step 3, the plane coordinates of workshop is established using monomer industrial premises exterior wall as boundary
System；Wherein plan view lower left corner cross, longitudinal axis intersection are set to 0 point of coordinate, and distance between axles is set to 1.If distance between axles is inconsistent, with reality
Border distance can not unify spacing for example, workshop or load block are irregular for coordinate, then be coordinate with actual range.
10/0.4kV electric substation carried out by the power transformation.
In actual conditions, the center sought may be planned according to monomer industrial premises and technology arrangement carries out rationally
Appropriate amount of fine-tuning.
Monomer industrial premises electric substation judgment basis, final measurement index are obtained using bus, cable specification as judgment basis
The reasonable economic position of industrial monomers workshop electric substation out；The present invention includes function control as follows: 1, the conceptual level can quantify
Provide the economic position of the total positioning substation in industrial working, for industrial working power supply plan is determining and site plot plan provide rationally according to
According to.2, the construction drawing stage can provide economic data support for industrial working electrical design.It 3, can during monomer plant designing
With relatively reasonable determination electric specialty room position, and advantageous data are provided and are supported.
In this example, the determination of plan view load center referring to following table, finally determining load center coordinate be (8.19,
8.19):
Claims (5)
1. a kind of site selection model design method of electric substation is used for monomer industrial premises positioning substation, which is characterized in that specific
Steps are as follows:
Step 1 divides workshop internal loading block, and defines: load capacity-pi of load block；Pi=Σ p, in formula: p-equipment
Power；
Step 2 calculates the integrated capacity of each load block, definition: integrated capacity-Pi, then
Pi=pi × Ki, in formula: Ki-load block Required coefficient；
Step 3 establishes the plane coordinate system of workshop, the integrated capacity of load block is melted into point load, the coordinate points of point load are set
It is set to the geometric center point of load block, is marked on monomer industrial premises plane coordinates, is coordinate assignment where each point load,
Corresponding points coordinate is denoted as (xi, yi)；
Step 4 seeks the center (x, y) of point load according to following equation, wherein
In formula: PiThe calculating power of-i-th load block, i=1,2 ...
xiThe abscissa of-i-th load, i=1,2 ...
yiThe ordinate of-i-th load, i=1,2 ...
X-load center point abscissa；
Y-load center point ordinate；
Step 5, the center (x, y) for the point load sought are monomer industrial premises load center point position and monomer
The theoretical optimum position of industrial premises electric substation.
2. the site selection model design method of electric substation according to claim 1, it is characterised in that: in the step 1 according to
Difference production workshop sections, process equipment type or certain area area divide load block, and the area of each load block is 500~
1000m2。
3. the site selection model design method of electric substation according to claim 1, it is characterised in that:
In the step 3, the plane coordinate system of workshop is established using monomer industrial premises exterior wall as boundary；
Wherein plan view lower left corner cross, longitudinal axis intersection are set to 0 point of coordinate, and distance between axles is set to 1.
4. the site selection model design method of electric substation according to claim 3, it is characterised in that:
If distance between axles is inconsistent, using actual range as coordinate.
5. the site selection model design method of electric substation according to claim 3, it is characterised in that:
10/0.4kV electric substation carried out by the power transformation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910032009.3A CN110059907A (en) | 2019-01-14 | 2019-01-14 | A kind of site selection model design method of electric substation |
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| CN201910032009.3A CN110059907A (en) | 2019-01-14 | 2019-01-14 | A kind of site selection model design method of electric substation |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617570A (en) * | 2013-12-10 | 2014-03-05 | 国家电网公司 | Geographical factor-involved automatic site selection method for transformer substation |
| CN106447123A (en) * | 2016-10-14 | 2017-02-22 | 国网天津市电力公司 | Typical daily load characteristics based substation locating method and substation locating device |
-
2019
- 2019-01-14 CN CN201910032009.3A patent/CN110059907A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617570A (en) * | 2013-12-10 | 2014-03-05 | 国家电网公司 | Geographical factor-involved automatic site selection method for transformer substation |
| CN106447123A (en) * | 2016-10-14 | 2017-02-22 | 国网天津市电力公司 | Typical daily load characteristics based substation locating method and substation locating device |
Non-Patent Citations (3)
| Title |
|---|
| 刘介才: "《供电工程师技术手车》", 30 June 1998 * |
| 贾凯胜: "论需要系数法负荷计算应注意的几个问题", 《科技视界》 * |
| 马江腾等: "如何选定10kV变电所位置", 《装备制造》 * |
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