CN103166133B - Indoor substation main transformer chamber ventilation heat exchange optimization control method - Google Patents
Indoor substation main transformer chamber ventilation heat exchange optimization control method Download PDFInfo
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- CN103166133B CN103166133B CN201310061584.9A CN201310061584A CN103166133B CN 103166133 B CN103166133 B CN 103166133B CN 201310061584 A CN201310061584 A CN 201310061584A CN 103166133 B CN103166133 B CN 103166133B
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- 238000009423 ventilation Methods 0.000 title claims abstract description 56
- 238000005457 optimization Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 201000004569 Blindness Diseases 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012913 prioritisation Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Abstract
The invention discloses a kind of indoor substation main transformer chamber ventilation heat exchange optimization control method, the maximum caloric value and the theoretical maximum cooling air quantity that first calculate indoor substation main transformer calculate; Then build physical model and calculate heat exchange efficiency; Finally prioritization scheme is proposed.The method is by the wind speed of indoor substation main transformer room inlet and outlet position, air port size and air outlet, carry out Flow Field Distribution analysis and heat exchange efficiency Optimization analyses, the effect of Accurate Prediction ventilation heat exchange is carried out with this, faster effective engineering design reference is provided, guarantee at the beginning of designing or engineering retrofit design time just heat exchange efficiency can be brought up to a higher degree, guarantee that equipment is healthy, safety and stability, the energy consumption of ventilation and heat can be reduced again simultaneously and reduce the impact etc. of transformer station's Noise upon Environment; For indoor substation ventilation heat exchange system with engineeredly provide faster effective Technical Reference, reduce project cost, avoid the blindness in engineering.
Description
Technical field
The present invention relates to technical field of temperature control, particularly a kind of indoor substation main transformer chamber ventilation heat exchange optimization control method.
Background technology
In recent years, along with the quickening of urbanization process, the lasting rising of electricity need load, have to the newly-built more transformer station in urban population compact district, and due to urban land more and more nervous, indoor substation has become the principal mode of transformer substation in city gradually.Main transformer and combined electrical apparatus (GIS) equipment are all arranged in indoor by indoor substation, its advantage is floor space impact that is little and control transformer Noise upon Environment well, but part indoor substation causes transformer temperature too high because ventilation heat exchange is bad at summer high temperature season in recent years, injure normal operation and the useful life of transformer, to this, have to consider other physical cooling method (but effect is not satisfactory), or when running, door is opened and lower the temperature, but in turn increase the impact of transformer noise on environment from another point of view, therefore seek indoor substation ventilation heat exchange optimal control method and there is very important realistic meaning.
Therefore a kind of method that effectively can control indoor substation ventilation of transformer room heat exchange optimal control is badly in need of.
Summary of the invention
In view of this, technical problem to be solved by this invention is to provide a kind of method that effectively can control indoor substation ventilation of transformer room heat exchange optimal control.It is not high that the method can solve current indoor substation ventilation of transformer room heat exchange efficiency, affects the Safety and Service Life problem of equipment.
The object of the present invention is achieved like this:
Indoor substation main transformer chamber ventilation heat exchange optimization control method provided by the invention, comprises the following steps:
S1: calculate the maximum caloric value of indoor substation main transformer room according to Substation parameters and main transformer parameter;
S2: calculate indoor substation main transformer room theoretical maximum cooling air quantity according to Substation parameters and main transformer parameter;
S3: build indoor substation main transformer chamber ventilation heat exchange physical model according to maximum caloric value and theoretical maximum cooling air quantity;
S4: change the optimum configurations of main transformer room ventilation heat exchange physical model and calculate the indoor substation main transformer chamber ventilation heat exchange efficiency under various optimum configurations;
S5: judge whether ventilation heat exchange efficiency reaches set point, if not, then returns step S4 and repeats to change the parameter of main transformer room ventilation heat exchange physical model and calculate ventilation heat exchange efficiency;
S6: if the main transformer room ventilation heat exchange physical model then under this optimum configurations is optimization design scheme.
Further, the parameter of described main transformer room ventilation heat exchange physical model comprises the position of inlet and outlet, air port size and the maximum output according to the determined induced draft fan of the wind speed of air outlet.
Further; basic data when described Substation parameters and main transformer parameter refer to that indoor substation main transformer runs, described basic data comprises peak temperature, characteristic of transformer parameter, the geometric properties of transformer station, radiating fin of transformer geometric properties when main transformer actual temperature, main transformer temperature control protection.
Further, the geometric properties of described transformer station comprises the size in transformer station space, the locus of transformer.
Further, described main transformer room ventilation heat exchange physical model is set up by flow fieldoptimization analysis and ventilation heat exchange efficiency optimization analytical method.
The invention has the advantages that: the present invention calculates the maximum caloric value of indoor substation main transformer room and theoretical maximum cooling air quantity according to Substation parameters and main transformer parameter, thus build indoor substation main transformer chamber ventilation heat exchange physical model; And the optimum configurations changing this model is to regulate indoor substation main transformer chamber ventilation heat exchange efficiency; Adopt Flow Field Distribution analysis and heat exchange efficiency Optimization analyses, carry out the effect of Accurate Prediction indoor substation ventilation heat exchange with this, finally select the optimization design scheme of main transformer room ventilation heat exchange physical model.The method provides faster effective reference for the engineering design of indoor substation ventilation heat exchange, guarantee indoor substation at the beginning of designing or engineering retrofit design time just heat exchange efficiency can be brought up to a higher degree, guarantee that equipment is healthy, safety and stability, the energy consumption of ventilation and heat can be reduced again simultaneously and reduce the impact etc. of transformer station's Noise upon Environment; For indoor substation ventilation heat exchange system with engineeredly provide faster effective Technical Reference, reduce project cost, avoid the blindness in engineering.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
The indoor substation main transformer chamber ventilation heat exchange optimization control method flow chart that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the air inlet arrangement of four kinds of diverse locations;
Fig. 3 is that different air inlet positions air flows through transformer motion pattern;
Fig. 4 is the temperature profile of transformer upper surface under four kinds of different air inlets position (a);
Fig. 5 is the temperature profile of transformer upper surface under four kinds of different air inlets position (b);
Fig. 6 is the temperature profile of transformer upper surface under four kinds of different air inlets position (c);
Fig. 7 is the temperature profile of transformer upper surface under four kinds of different air inlets position (d).
Embodiment
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail; Should be appreciated that preferred embodiment only in order to the present invention is described, instead of in order to limit the scope of the invention.
The indoor substation main transformer chamber ventilation heat exchange optimization control method flow chart that Fig. 1 provides for the embodiment of the present invention, as shown in the figure: indoor substation main transformer chamber ventilation heat exchange optimization control method provided by the invention, comprises the following steps:
S1: calculate the maximum caloric value of indoor substation main transformer room according to Substation parameters and main transformer parameter;
S2: calculate indoor substation main transformer room theoretical maximum cooling air quantity according to Substation parameters and main transformer parameter;
S3: build indoor substation main transformer chamber ventilation heat exchange physical model according to maximum caloric value and theoretical maximum cooling air quantity;
S4: change the optimum configurations of main transformer room ventilation heat exchange physical model and calculate the indoor substation main transformer chamber ventilation heat exchange efficiency under various optimum configurations;
S5: judge whether ventilation heat exchange efficiency reaches set point, if not, then returns step S4 and repeats to change the parameter of main transformer room ventilation heat exchange physical model and calculate ventilation heat exchange efficiency;
S6: if the main transformer room ventilation heat exchange physical model then under this optimum configurations is optimization design scheme.
The parameter of described main transformer room ventilation heat exchange physical model comprises the position of inlet and outlet, air port size and the maximum output according to the determined induced draft fan of the wind speed of air outlet.
Basic data when described Substation parameters and main transformer parameter refer to that indoor substation main transformer runs, described basic data comprises peak temperature, characteristic of transformer parameter, the geometric properties of transformer station, radiating fin of transformer geometric properties when main transformer actual temperature, main transformer temperature control protection.
The geometric properties of described transformer station comprises the size in transformer station space, the locus of transformer.
Described main transformer room ventilation heat exchange physical model is set up by flow fieldoptimization analysis and ventilation heat exchange efficiency optimization analytical method.
Indoor substation main transformer chamber ventilation heat exchange optimization control method provided by the invention is adopted to carry out the optimization design scheme of handsome choosing, the present embodiment provides four kinds of different main transformer room ventilation heat exchange physical models, then the parameter of model is changed, Fig. 2 is the air inlet arrangement of four kinds of diverse locations, Fig. 3 is that different air inlet positions air flows through transformer motion pattern, Fig. 4 is the temperature profile of transformer upper surface under four kinds of different air inlets position (a), Fig. 5 is the temperature profile of transformer upper surface under four kinds of different air inlets position (b), Fig. 6 is the temperature profile of transformer upper surface under four kinds of different air inlets position (c), Fig. 7 is the temperature profile of transformer upper surface under four kinds of different air inlets position (d).
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (1)
1. indoor substation main transformer chamber ventilation heat exchange optimization control method, is characterized in that: comprise the following steps:
S1: calculate the maximum caloric value of indoor substation main transformer room according to Substation parameters and main transformer parameter;
S2: calculate indoor substation main transformer room theoretical maximum cooling air quantity according to Substation parameters and main transformer parameter;
Basic data when described Substation parameters and main transformer parameter refer to that indoor substation main transformer runs, described basic data comprises peak temperature, characteristic of transformer parameter, the geometric properties of transformer station, radiating fin of transformer geometric properties when main transformer actual temperature, main transformer temperature control protection;
The geometric properties of described transformer station comprises the size in transformer station space, the locus of transformer;
S3: build indoor substation main transformer chamber ventilation heat exchange physical model according to maximum caloric value and theoretical maximum cooling air quantity;
Main transformer room ventilation heat exchange physical model is set up by flow fieldoptimization analysis and ventilation heat exchange efficiency optimization analytical method;
S4: change the optimum configurations of main transformer room ventilation heat exchange physical model and calculate the indoor substation main transformer chamber ventilation heat exchange efficiency under various optimum configurations;
The parameter of described main transformer room ventilation heat exchange physical model comprises the position of inlet and outlet, air port size and the maximum output according to the determined induced draft fan of the wind speed of air outlet;
S5: judge whether ventilation heat exchange efficiency reaches set point, if not, then returns step S4 and repeats to change the parameter of main transformer room ventilation heat exchange physical model and calculate ventilation heat exchange efficiency;
S6: if the main transformer room ventilation heat exchange physical model then under this optimum configurations is optimization design scheme.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310061584.9A CN103166133B (en) | 2013-02-27 | 2013-02-27 | Indoor substation main transformer chamber ventilation heat exchange optimization control method |
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| CN201310061584.9A CN103166133B (en) | 2013-02-27 | 2013-02-27 | Indoor substation main transformer chamber ventilation heat exchange optimization control method |
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| CN103166133A CN103166133A (en) | 2013-06-19 |
| CN103166133B true CN103166133B (en) | 2016-01-20 |
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| CN104679953B (en) * | 2015-02-12 | 2017-12-15 | 国网重庆市电力公司电力科学研究院 | Indoor substation transformer chamber Numerical Simulation of Flow and Temperature quick calculation method, system |
| CN109540564B (en) * | 2018-12-25 | 2023-12-22 | 南方电网科学研究院有限责任公司 | Indoor transformer substation heat dissipation performance test system |
| CN116451597B (en) * | 2023-06-19 | 2023-08-18 | 广东电网有限责任公司佛山供电局 | Method and system for optimizing high-voltage indoor temperature control of transformer substation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303707A (en) * | 2008-07-03 | 2008-11-12 | 天津市三源电力设备制造有限公司 | Computer-aided design method for premounting transformer substation air vent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH03268395A (en) * | 1990-03-19 | 1991-11-29 | Fujitsu Ltd | Cooling system of electronic apparatus |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303707A (en) * | 2008-07-03 | 2008-11-12 | 天津市三源电力设备制造有限公司 | Computer-aided design method for premounting transformer substation air vent |
Non-Patent Citations (2)
| Title |
|---|
| 地下变电站通风空调系统的研究及节能优化;杨小平;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》;20120715(第07期);第C038-189页 * |
| 进风口对变压器室通风效果的影响;高学平等;《土木建筑与环境工程》;20121231;第34卷;第117-122页 * |
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