CN203586369U - Energy-conservation structure for heat dissipation by utilizing SVG (Static Var Generator) of wind power plant - Google Patents
Energy-conservation structure for heat dissipation by utilizing SVG (Static Var Generator) of wind power plant Download PDFInfo
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- CN203586369U CN203586369U CN201320822000.0U CN201320822000U CN203586369U CN 203586369 U CN203586369 U CN 203586369U CN 201320822000 U CN201320822000 U CN 201320822000U CN 203586369 U CN203586369 U CN 203586369U
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- 230000017525 heat dissipation Effects 0.000 title abstract description 7
- 238000004134 energy conservation Methods 0.000 title abstract 4
- 230000003068 static effect Effects 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 238000004378 air conditioning Methods 0.000 claims abstract description 5
- 230000005855 radiation Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
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Abstract
The utility model relates to an energy-conservation structure for the heat dissipation by utilizing an SVG (Static Var Generator) of a wind power plant. The energy-conservation structure comprises a heating building and an SVG chamber, wherein a first wind outlet and a first wind inlet are formed in the SVG chamber; a second wind outlet and a second wind inlet are formed in the heating building; the first wind outlet is connected with the second wind inlet via a wind pipe, and the second wind outlet is connected with the first wind inlet via the wind pipe which is connected with an air-conditioning filter section; the heating building is connected with the heating system of an electric heater. The energy-conservation structure has the benefits that redundant heat dissipating capacity of the SVG chamber is used for providing a heating heat source for buildings in transformer substations of the wind power plant, winter is the running peak season of the wind power plant, the SVG runs along with the running of the wind power plant, the heat dissipation of the SVG is continuous, guarantee for utilizing SVG equipment for heat dissipation so as to provide the heating heat source is provided, and a heating purpose is achieved.
Description
Technical field
The relevant energy-saving field of the utility model, particularly utilizes and in wind power plant's reactive power compensator running, sends to such an extent that heat carrys out the technology of heating.
Background technology
Along with the rapid growth of China's economy, the energy supply of China and problem of environmental pollution are more aobvious outstanding.The demand that develops regenerative resource is more aobvious urgent, and the fact has also attracted increasing investment, particularly wind-power electricity generation.Wind-power electricity generation, with the advantage such as its cleanliness without any pollution, renewable, technology maturation, short construction period, investment be flexible, has been subject to the great attention of countries in the world government.But wind-power electricity generation itself also has some short slabs: the fluctuation of the unstability of wind-resources, wind power generating set power output etc.These factors, along with wind energy turbine set capacity is increasing, can cause the problems such as grid-connected power factor is defective, voltage pulsation, flickering.China's wind-resources is abundanter, but be applicable to the area of large-scale development wind-powered electricity generation generally all in electrical network end, because electric network composition is weaker herein, thus after large-scale wind power access electrical network, may there is the unstable and flickering of line voltage, on the impact of losses of distribution network, harmonic wave on the impact of electrical network and the series of problems such as stability influence to electrical network.
Along with the increase of wind energy turbine set scale, between wind energy turbine set and electrical network influence each other increasing and system is also more and more stricter to the requirement of wind generator system.To wind power system, two main requirements are Reactive Power Control under normal operating condition and the low voltage ride-through capability under malfunction.And the present stage routine way that solves reactive power problem is installed dynamic reactive compensation device exactly, according to national grid, adjust [2011] No. 974 anti-accident measures main points requirements, wind energy turbine set will be installed the reactive power compensator that the response time is not more than 30ms, and wind energy turbine set is generally all selected SVG now.But, the caloric value of the full-control type device IGBT selecting due to SVG is very large, the SVG capacity of wind energy turbine set is all larger, so, the heat sending of wind energy turbine set SVG when normal operation is still very large, but the heat that present stage SVG equipment sends all discharge chamber is outer, and this part heat does not fully utilize.
For wind energy turbine set, it is the novel energy project growing up on a large scale in recent years.Wind energy turbine set itself is built transformer station, mainly contains complex building, master control building, the 35KV building such as electrical room within doors in standing, and these are built mostly away from cities and towns, and are mostly positioned at the low ice box of the large temperature of wind.These buildings are mostly because the factor for people or equipment all will have heating requirement.But this is very harsh requirement at last for wind energy turbine set, because they have the sufficient thermals source such as hot water and steam unlike thermal power plant, do not have central heating pipe to utilize, because be environmental protection project, do not allow to adopt coal-burning boiler to do heating again.Early stage wind farm substation heating adopts Electrical Heating system mostly, but considers it is not best mode from Technological Economy angle.At present most of feasible scheme is used electric heater heating exactly.Electric heater is converted into heat energy by electric energy, and locellus heating is flexible and convenient to use, and people can be according to different requirements set temperature, can be adjusted to temperature on duty obsolete time temporarily.Safe and reliable to operation, thoroughly stop the problem of the headaches such as run, drip, leak of water-heating system.But for a wind energy turbine set, cost of electricity-generating is relatively high, then carrys out heating with expensive electricity, especially waste just seems.Therefore the heating system of seeking environmental protection and energy saving is more the problem that our task of top priority will solve.
SVG heat gain from appliance and equipment is large.The wind energy turbine set that certain installed capacity is 200MW of take is example, the SVG equipment total capacity arranging in wind energy turbine set is substantially at 48Mvar, the data that provide according to producer show, the caloric value of SVG power cabinet can consider according to 1% of equipment rated capacity, and the SVG heat gain from appliance and equipment in this wind energy turbine set is 480KW.These heat radiations are burdens for SVG chamber, and it directly causes indoor temperature to raise, and affects the normal operation of SVG equipment.Conventional solution is that ventilating system is set, and by producer, in its its upper side, arranges blower fan, air port and reserved flange, by outer air duct, draws outdoorly, and heat is discharged.But because heat dissipation capacity is large, the exhaust air rate of corresponding exhaust fan is very large, causes the area of air feed shutter window bigger than normal (being about 14m2).Do like this and must cause disadvantageous consequence: the heating load of indoor room strengthens, the poor effect of the rainproof sand prevention at air feed shutter place etc.
Utility model content
The technical problem that the utility model solves is providing a kind of by the energy-saving structure of the indoor heat recycling of SVG.
The technological means that the utility model adopts is as described below.A kind of energy-saving structure that utilizes wind energy turbine set SVG heat radiation, it comprises heating building and SVG chamber, this SVG chamber has the first air outlet and the first air inlet, this heating building has the second air outlet and the second air inlet, this first air outlet connects the second air inlet by airduct, and this second air outlet connects the first air inlet by airduct.
This airduct connects air conditioning filter section.This heating building connects electric heater heating system
The beneficial effect that the utility model produces: the heat dissipation capacity that SVG chamber is unnecessary provides heating source to the building in wind farm substation, in the winter time, it is the peak period of wind energy turbine set operation, SVG follows the operation of wind energy turbine set to move always, its heat radiation is also to continue to occur, this,, for utilizing SVG equipment cooling to provide heating thermal source that assurance is provided, reaches the object of heating.
Accompanying drawing explanation
Fig. 1 is and the utility model structural representation.
The specific embodiment
As shown in Figure 1, a kind of energy-saving structure that utilizes wind energy turbine set SVG heat radiation of the utility model, it comprises heating building 1 and SVG chamber 2, this SVG chamber 2 has the first air outlet 21 and the first air inlet 22, this heating building 1 has the second air outlet 11 and the second air inlet 12, this first air outlet 21 connects the second air inlet 12 by airduct 3, and this second air outlet 11 connects the first air inlet 22 by airduct 3.When the indoor SVG equipment of SVG is normally worked, utilize pipeline fan (not marking in figure) that hot blast is transported to the second air inlet 12 by airduct by the first air outlet 21, and be transported in heating building and go.And the second air outlet 11 of heating building is discharged Cryogenic air, this Cryogenic air utilizes pipeline fan to be transported to the first air inlet 22 by airduct, and is transported in SVG chamber and goes.
Wherein, this airduct 3 can connect air conditioning filter section 4, utilizes 4 pairs of air of air conditioning filter section to carry out purified treatment and supplements new wind.This heating building 1 can also connect electric heater heating system, when SVG equipment is not worked, or runs into extreme case, for example, have a power failure, during extreme cold, use electric heater heating system to carry out the heat supply to heating building.
Take certain wind energy turbine set as example, and engineering is positioned at Bashang Grassland, and dust storm is large, and temperature is low, belongs to severe cold area, and winter heating accounting temperature is-25 ℃.In transformer station, the floor area of building and Heating Load thereof are as follows:
To this wind energy turbine set Heating Load, be 301.75KW, one day heating time calculated by 20 hours, within one day, will consume so 6035 degree electricity, every degree electricity calculates by 0.54 yuan/KWh of national wind-power electricity generation mark post rate for incorporation into the power network, the cost of every day is exactly 3259 yuan so, a Heating Season is 197 days, and in Heating Season, the cost for heating is 64.2 ten thousand yuan so.For a wind energy turbine set, such consumption is but no small numeral.
This wind energy turbine set total installed capacity is 150MW, 2 SVG equipment that arrange in wind energy turbine set, total capacity is substantially at 30Mvar, and the data that provide according to producer show, the caloric value of SVG power cabinet can consider according to 1% of equipment rated capacity, and the SVG heat gain from appliance and equipment in this wind energy turbine set is 300KW.Wind energy turbine set SVG equipment when operation generally all can start, and needs automatically to regulate according to the compensation between wind energy turbine set and electrical network simultaneously, and in the time of oepration at full load, seldom, by 70% load operation, heat dissipation capacity is 210KW.By these heats all as heating, by the energy of saving 70%.A Heating Season saving expense reaches 44.94 ten thousand yuan.
Continuity to heating demand while moving for wind energy turbine set, can design and take electric heater heating system as main, take and utilizes SVG chamber radiation heating system as auxiliary.Two cover systems are opened simultaneously at ordinary times.Because electric heater heating system is furnished with temperature controller, can be according to needed temperature automatic start-stop in room.Building heating in the radiation heating system Hui Dui transformer station of SVG chamber when SVG operation produces heat radiation, when in rooms of buildings, temperature reaches setting value, electric heater temperature controller is closed electric heater power supply automatically.When SVG stoppage in transit or low level operation, in the radiation heating system Hui Dui transformer station of SVG chamber, building heating amount will reduce, indoor temperature also can be reduced to because of chillout below setting value, electric heater temperature controller is identification automatically, starts and open electric heater to indoor heating.Benign cycle has just greatly reduced because of the demand of heating to electric power like this, thereby reaches the saving energy, reduces the result of electric field operating cost.
Claims (3)
1. an energy-saving structure that utilizes wind energy turbine set SVG heat radiation, it comprises heating building and SVG chamber, it is characterized in that, this SVG chamber has the first air outlet and the first air inlet, this heating building has the second air outlet and the second air inlet, this first air outlet connects the second air inlet by airduct, and this second air outlet connects the first air inlet by airduct.
2. the energy-saving structure that utilizes wind energy turbine set SVG heat radiation as claimed in claim 1, is characterized in that, this airduct connects air conditioning filter section.
3. the energy-saving structure that utilizes wind energy turbine set SVG heat radiation as claimed in claim 1, is characterized in that, this heating building connects electric heater heating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822000.0U CN203586369U (en) | 2013-12-12 | 2013-12-12 | Energy-conservation structure for heat dissipation by utilizing SVG (Static Var Generator) of wind power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822000.0U CN203586369U (en) | 2013-12-12 | 2013-12-12 | Energy-conservation structure for heat dissipation by utilizing SVG (Static Var Generator) of wind power plant |
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| CN203586369U true CN203586369U (en) | 2014-05-07 |
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| CN201320822000.0U Expired - Fee Related CN203586369U (en) | 2013-12-12 | 2013-12-12 | Energy-conservation structure for heat dissipation by utilizing SVG (Static Var Generator) of wind power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107577256A (en) * | 2017-08-09 | 2018-01-12 | 国网山东省电力公司经济技术研究院 | Transformer station's thermal equilibrium control system and control method |
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2013
- 2013-12-12 CN CN201320822000.0U patent/CN203586369U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107577256A (en) * | 2017-08-09 | 2018-01-12 | 国网山东省电力公司经济技术研究院 | Transformer station's thermal equilibrium control system and control method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER ENGINEERING CONSULTING GROUP NORTH CHI Free format text: FORMER NAME: NORTH CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100120 Beijing city Xicheng District Street No. 24 Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Address before: 100120 Beijing city Xicheng District Street No. 24 Patentee before: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 |