CN103166133A - 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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- CN103166133A CN103166133A CN2013100615849A CN201310061584A CN103166133A CN 103166133 A CN103166133 A CN 103166133A CN 2013100615849 A CN2013100615849 A CN 2013100615849A CN 201310061584 A CN201310061584 A CN 201310061584A CN 103166133 A CN103166133 A CN 103166133A
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Abstract
The invention discloses an indoor substation main transformer chamber ventilation heat exchange optimization control method. At first, the maximum calorific value and the maximum theoretical cooling air volume of an indoor substation main transformer are calculated; then a physical model is established, and heat exchange efficiency is calculated; and finally an optimization proposal is put forward. According to the method, flow field distribution analysis and heat exchange efficiency optimization analysis are carried out through positions of an air inlet and an air outlet, sizes of air ports and the air speed of the air outlet of an indoor substation main transformer chamber so as to accurately forecast ventilation and heat exchange effects. Fast, convenient and effective engineering design reference is provided, the fact that the heat exchange efficiency can be improved to in a high level at the beginning of design or in the engineering reform design is guaranteed, and healthy, safe and stable operation of equipment is guaranteed. At the same time, energy consumption of ventilation and heat dissipation can also be reduced, influences on environment caused by noise of the transformer, and the like are reduced, the fast, convenient and effective technical reference is provided for indoor substation ventilation and heat exchange system design and engineering reform, engineering construction cost is reduced, and blindness in engineering is avoided.
Description
Technical field
The present invention relates to the temperature control technology field, particularly a kind of indoor substation main transformer room ventilation heat exchange optimal control method.
Background technology
In recent years, along with the quickening of urbanization process, the lasting rising of electricity need load is had in the newly-built more transformer station in urban population compact district, and because urban land is more and more nervous, indoor substation has become the principal mode of transformer substation in city gradually.indoor substation all is arranged in main transformer and combined electrical apparatus (GIS) equipment indoor, its advantage is the little and impact of control transformer Noise upon Environment well of floor space, but the 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), when perhaps moving, door is opened to lower the temperature, but increased again from another point of view the impact of transformer noise on environment, therefore seeking indoor substation ventilation heat exchange optimal control method has very important realistic meaning.
Therefore be badly in need of a kind of method that can effectively control indoor substation ventilation of transformer room heat exchange optimal control.
Summary of the invention
In view of this, technical problem to be solved by this invention is to provide a kind of method that can effectively control indoor substation ventilation of transformer room heat exchange optimal control.It is not high that the method can solve present 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 room ventilation heat exchange optimal control method provided by the invention comprises the following steps:
S1: calculate the maximum caloric value of indoor substation main transformer room according to transformer station's parameter and main transformer parameter;
S2: calculate indoor substation main transformer room theoretical maximum cooling air quantity according to transformer station's parameter and main transformer parameter;
S3: build indoor substation main transformer room ventilation heat exchange physical model according to maximum caloric value and theoretical maximum cooling air quantity;
S4: the parameter setting and the indoor substation main transformer room ventilation heat exchange efficient of calculating under various parameters arrange that change main transformer room ventilation heat exchange physical model;
S5: judge whether ventilation heat exchange efficient reaches set point, if not, return to step S4 and repeat to change the parameter of main transformer room ventilation heat exchange physical model and calculate ventilation heat exchange efficient;
S6: if the main transformer room ventilation heat exchange physical model under this parameter arranges is optimization design scheme.
Further, the parameter of described main transformer room ventilation heat exchange physical model comprises position, the air port size of inlet and outlet and according to the maximum output of the determined induced draft fan of wind speed of air outlet.
Further; peak temperature, characteristic of transformer parameter, the geometric properties of transformer station, radiating fin of transformer geometric properties when the basic data when described transformer station parameter and main transformer parameter refer to the operation of indoor substation main transformer, described basic data comprise 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 optimized by the flow field and is analyzed and ventilation heat exchange efficiency optimization analytical method is set up.
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 transformer station's parameter and main transformer parameter, thereby builds indoor substation main transformer room ventilation heat exchange physical model; And the parameter setting that changes this model is regulated indoor substation main transformer room ventilation heat exchange efficient; Adopt Flow Field Distribution analysis and heat exchange efficiency optimization to analyze, come the effect of Accurate Prediction indoor substation ventilation heat exchange with this, select at last 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 that indoor substation just can bring up to heat exchange efficiency a higher degree at the beginning of design or during engineering retrofit design, guarantee that equipment is healthy, safety and stability, can reduce again the energy consumption of ventilation and heat 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 of drawings
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing, wherein:
The indoor substation main transformer room ventilation heat exchange optimal 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 inlets positions air stream is through the transformer motion pattern;
Fig. 4 is the temperature profile of transformer upper surface under four kinds of different air inlets positions (a);
Fig. 5 is the temperature profile of transformer upper surface under four kinds of different air inlets positions (b);
Fig. 6 is the temperature profile of transformer upper surface under four kinds of different air inlets positions (c);
Fig. 7 is the temperature profile of transformer upper surface under four kinds of different air inlets positions (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 for the present invention is described, rather than in order to limit protection scope of the present invention.
The indoor substation main transformer room ventilation heat exchange optimal control method flow chart that Fig. 1 provides for the embodiment of the present invention, as shown in the figure: indoor substation main transformer room ventilation heat exchange optimal control method provided by the invention comprises the following steps:
S1: calculate the maximum caloric value of indoor substation main transformer room according to transformer station's parameter and main transformer parameter;
S2: calculate indoor substation main transformer room theoretical maximum cooling air quantity according to transformer station's parameter and main transformer parameter;
S3: build indoor substation main transformer room ventilation heat exchange physical model according to maximum caloric value and theoretical maximum cooling air quantity;
S4: the parameter setting and the indoor substation main transformer room ventilation heat exchange efficient of calculating under various parameters arrange that change main transformer room ventilation heat exchange physical model;
S5: judge whether ventilation heat exchange efficient reaches set point, if not, return to step S4 and repeat to change the parameter of main transformer room ventilation heat exchange physical model and calculate ventilation heat exchange efficient;
S6: if the main transformer room ventilation heat exchange physical model under this parameter arranges is optimization design scheme.
The parameter of described main transformer room ventilation heat exchange physical model comprises position, the air port size of inlet and outlet and according to the maximum output of the determined induced draft fan of wind speed of air outlet.
Peak temperature, characteristic of transformer parameter, the geometric properties of transformer station, radiating fin of transformer geometric properties when the basic data when described transformer station parameter and main transformer parameter refer to the operation of indoor substation main transformer, described basic data comprise 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 optimizes analysis by the flow field and ventilation heat exchange efficiency optimization analytical method is set up.
adopt indoor substation main transformer room ventilation heat exchange optimal control method provided by the invention to come the optimization design scheme of handsome choosing, the present embodiment provides four kinds of different main transformer room ventilation heat exchange physical models, then change the parameter of model, Fig. 2 is the air inlet arrangement of four kinds of diverse locations, Fig. 3 is that different air inlets positions air stream is through the transformer motion pattern, Fig. 4 is the temperature profile of transformer upper surface under four kinds of different air inlets positions (a), Fig. 5 is the temperature profile of transformer upper surface under four kinds of different air inlets positions (b), Fig. 6 is the temperature profile of transformer upper surface under four kinds of different air inlets positions (c), Fig. 7 is the temperature profile of transformer upper surface under four kinds of different air inlets positions (d).
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. indoor substation main transformer room ventilation heat exchange optimal control method is characterized in that: comprise the following steps:
S1: calculate the maximum caloric value of indoor substation main transformer room according to transformer station's parameter and main transformer parameter;
S2: calculate indoor substation main transformer room theoretical maximum cooling air quantity according to transformer station's parameter and main transformer parameter;
S3: build indoor substation main transformer room ventilation heat exchange physical model according to maximum caloric value and theoretical maximum cooling air quantity;
S4: the parameter setting and the indoor substation main transformer room ventilation heat exchange efficient of calculating under various parameters arrange that change main transformer room ventilation heat exchange physical model;
S5: judge whether ventilation heat exchange efficient reaches set point, if not, return to step S4 and repeat to change the parameter of main transformer room ventilation heat exchange physical model and calculate ventilation heat exchange efficient;
S6: if the main transformer room ventilation heat exchange physical model under this parameter arranges is optimization design scheme.
2. indoor substation main transformer room ventilation heat exchange optimal control method according to claim 1 is characterized in that: the parameter of described main transformer room ventilation heat exchange physical model comprises the position of inlet and outlet, air port size and according to the maximum output of the determined induced draft fan of wind speed of air outlet.
3. indoor substation main transformer room ventilation heat exchange optimal control method according to claim 1; it is characterized in that: peak temperature, characteristic of transformer parameter, the geometric properties of transformer station, radiating fin of transformer geometric properties when the basic data when described transformer station parameter and main transformer parameter refer to the operation of indoor substation main transformer, described basic data comprise main transformer actual temperature, main transformer temperature control protection.
4. indoor substation main transformer room ventilation heat exchange optimal control method according to claim 3, it is characterized in that: the geometric properties of described transformer station comprises the size in transformer station space, the locus of transformer.
5. indoor substation main transformer room ventilation heat exchange optimal control method according to claim 1 is characterized in that: described main transformer room ventilation heat exchange physical model is optimized by the flow field and is analyzed and ventilation heat exchange efficiency optimization analytical method is set up.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104679953A (en) * | 2015-02-12 | 2015-06-03 | 国网重庆市电力公司电力科学研究院 | Rapid calculation method and system for simulating flow field and temperature field values in main transformer chamber of indoor transformer substation |
| CN109540564A (en) * | 2018-12-25 | 2019-03-29 | 南方电网科学研究院有限责任公司 | Indoor substation heat dissipation performance test macro |
| CN116451597A (en) * | 2023-06-19 | 2023-07-18 | 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 |
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| JPH03268395A (en) * | 1990-03-19 | 1991-11-29 | Fujitsu Ltd | Cooling system of electronic apparatus |
| 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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2013
- 2013-02-27 CN CN201310061584.9A patent/CN103166133B/en active Active
Patent Citations (2)
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| JPH03268395A (en) * | 1990-03-19 | 1991-11-29 | Fujitsu Ltd | Cooling system of electronic apparatus |
| 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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| 杨小平: "地下变电站通风空调系统的研究及节能优化", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》, no. 07, 15 July 2012 (2012-07-15), pages 038 - 189 * |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104679953A (en) * | 2015-02-12 | 2015-06-03 | 国网重庆市电力公司电力科学研究院 | Rapid calculation method and system for simulating flow field and temperature field values in main transformer chamber of indoor transformer substation |
| 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 |
| CN109540564A (en) * | 2018-12-25 | 2019-03-29 | 南方电网科学研究院有限责任公司 | Indoor substation heat dissipation performance test macro |
| 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 |
| CN116451597A (en) * | 2023-06-19 | 2023-07-18 | 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 |
| 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 |
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| CN103166133B (en) | 2016-01-20 |
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