CN203035467U - Water-cooling system for offshore wind turbine generator - Google Patents
Water-cooling system for offshore wind turbine generator Download PDFInfo
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- CN203035467U CN203035467U CN2013200407428U CN201320040742U CN203035467U CN 203035467 U CN203035467 U CN 203035467U CN 2013200407428 U CN2013200407428 U CN 2013200407428U CN 201320040742 U CN201320040742 U CN 201320040742U CN 203035467 U CN203035467 U CN 203035467U
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- pump
- cooling system
- heat exchanger
- cooler
- generator
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Abstract
The utility model discloses a water-cooling system for an offshore wind turbine generator. A cooling loop is formed inside a wind turbine generator cabin. The cooling loop is formed through a manner that an extension-type heat exchanger is connected with a pump in series and an air cooler is connected with the pump in series. A gearbox, a generator and a converter of the wind turbine generator are respectively provided with a temperature sensor, a signal is connected with a controller which outputs the signal to drive the opening or closure of the pump. The water-cooling system for the offshore wind turbine generator has the advantages of being high-efficiency in cooling and prolonging the service life of the large-scale wind turbine generator.
Description
Technical field:
Wind energy is rapidly developed in recent years as green clean energy resource.Because the wind energy characteristics of marine high-quality and wind energy conversion system unit are more and more to large scale development, offshore wind farm will be developed energetically in future.The utility model relates to wind power generation field, especially the constituent of Oversea wind unit.
Background technique:
Wind energy is the pollution-free green clean energy resource, the having a high potential of China's Wind Power Utilization, and the developed installation total capacity of land and wind energy on the sea reaches about 7~1,200,000,000 kW.The wind resource amount of China substantially exceeds India, Germany and Spain close to the U.S..
China carries out careful investigation to the offshore wind farm DEVELOPMENT PROSPECT on the very long shore line.The wind energy on the sea high-quality, air-flow is steady, and the variance ratio in the four seasons is less.In 2010, first batch of offshore wind farm project 100,000 kW finished assembling, and the electric motor power of offshore wind farm is estimated and will be reached 3,280 ten thousand kW at the year two thousand twenty.
Because the wind field of high-quality is fewer and feweri, the unit electric motor power of wind energy conversion system is increasing, and the level of integration of power electronic equipment is also more and more higher, and heat radiation has become the bottleneck of unit large scale development.
Use widely The forced air cooling at present owing to use air as low-temperature receiver, cooling effect is general, is applicable to the land blower fan of small capacity of water source rareness.Offshore wind turbine is owing to be under the environment of high humidity, high salt fog for a long time, and internal mechanical, electrical equipment are easy to be corroded, the effect of influence operation.Therefore the sealing requirements grade in cabin is very high, and each big parts is corroded in forced air cooling easily.Constituent is compared with forced air cooling has higher cooling effectiveness, good sealing effect, and water-cooled is fit to jumbo wind-powered electricity generation unit.
The seawater resources of Oversea wind machine are abundant, gather materials on the spot seawater as cooling reagent, not only guaranteed the reliable operation of system, for the maintenance in later stage is also provided convenience.
Summary of the invention:
The utility model has designed a kind of efficient cooling, has prolonged the maximization wind-powered electricity generation unit constituent in working life for solving the heat dissipation problem of marine maximization wind-powered electricity generation unit.
The technological scheme of technical solution problem is that the constituent of offshore wind farm unit is made up of double pipe heat exchanger, series connection of pumps and air-cooler, series connection of pumps at the inner formation of wind-powered electricity generation set engine room cooling circuit; The gear-box of wind-powered electricity generation unit, generator and current transformer all arrange temperature transducer, signal access controller, the opening or closing of controller output signal driven pump.
All right, also comprise electric gate valve and/or modulating valve at the inner formation of wind-powered electricity generation set engine room cooling circuit, electric gate valve and/or modulating valve and series connection of pumps, described controller output signal drives opening or closing of electric gate valve and/or modulating valve.
All right, in the inner formation of wind-powered electricity generation set engine room cooling circuit, also comprise reduction valve, pressure gauge, reagent supplies, reduction valve, pressure gauge, reagent supplies and series connection of pumps, pressure gauge signal access controller, controller output signal drives opening or closing of reduction valve or reagent supplies.
All right, in the inner formation of wind-powered electricity generation set engine room cooling circuit, also comprise filter, described filter and series connection of pumps.
All right, gear-box is provided with double pipe heat exchanger, and generator, current transformer are provided with air-cooler.
All right, establish double pipe heat exchanger on the gear-box, loop-type gear-box cooling system is formed in double pipe heat exchanger and series connection of pumps; Establish an air-cooler on the generator, the loop-type generator cooling system is formed in air-cooler and series connection of pumps; Establish an air-cooler on the current transformer, loop-type current transformer cooling system is formed in air-cooler and series connection of pumps; The loop pretreatment cooling system that described double pipe heat exchanger and pump are formed; The pipeline of described gear-box cooling system, generator cooling system, current transformer cooling system carries out energy interchange by double pipe heat exchanger and the pretreatment cooling system of pretreatment cooling system.
The utility model compared with prior art has following advantage:
Cooled with seawater is compared other cooling, and the unit system cold efficiency is bigger, and offshore wind farm is gathered materials on the spot than being easier to simultaneously, can not bring difficulty to installation and transportation;
At three needing cooling-part gear-box, generator, current transformer greatly in the cabin, start or start respectively the pump on each pipeline of control after the temperature sensor senses temperature by controller, make the lower water of temperature enter the air-cooler of the double pipe heat exchanger of gear-box and generator, current transformer by pipeline, and double pipe heat exchanger, air-cooler are started working, realize heat radiation, controller can also by the control electric gate valve and/or modulating valve opens or closes or opening angle, reaches single cooling and concentrated cooling purpose.Be totally enclosed in the cabin, the process of whole cooling is totally enclosed, and sea wind can not lead to the cabin shell and enter inside, thereby reduces sea wind to the influence of engine room inside machinery, has prolonged working life.
Reagent leakage or other situation take place and cause pressure gauge to reach critical value in setting pressure table and reagent supplies on the cooling circuit, and the pressure gauge signal passes to master control, and master control judges whether to open the reagent adding device, replenishes reagent to system.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1, structural representation of the present utility model.
Fig. 2, control system schematic representation of the present utility model.
Wherein: 1 is temperature transducer; 2 is controller; 3 is electric gate valve; 4 is electric control valve; 5 is filter; 6 is the reagent supplies; 7 is pump; 8 is double pipe heat exchanger; 9 is air-cooler; 10 is reduction valve; 11 is pressure gauge.
Specific embodiment
The gear-box cooling system of engine room inside comprises the double pipe heat exchanger 8 that is located at gear-box, double pipe heat exchanger 8, electric gate valve 3, modulating valve 4, reduction valve 10, pressure gauge 11,6 series connection of agent supplies; Generator cooling system bag words are located at the air-cooler 9 of generator, and air-cooler 9 is connected with electric gate valve 3, modulating valve 4, pump 7, reduction valve 10, pressure gauge 11, agent supplies 6; The current transformer cooling system comprises the air-cooler 9 that is located on the current transformer, and air-cooler 9 is connected with electric gate valve 3, modulating valve 4, pump 7, reduction valve 10, pressure gauge 11, agent supplies 6; Respectively establish a temperature transducer 1 on gear-box, generator, the current transformer; Double pipe heat exchanger 8a and pump 7a are composed in series first order loop pretreatment cooling system, loop, the second level pretreatment cooling system that double pipe heat exchanger 8b and pump 7b are composed in series, pump 7, two pretreatment systems that double pipe heat exchanger 8 is formed, pump 7c, double pipe heat exchanger 8c, loop that filter 5 is formed or the pre-preprocessing system of evolution, pre-preprocessing system middle sleeve formula heat exchanger 8c is enclosed within one of them pretreatment system pipeline, be enclosed within on another pipeline by double pipe heat exchanger 8b between the pretreatment system pipe, the double pipe heat exchanger 8a of pretreatment system is enclosed within the gear-box cooling system, generator cooling system, on the pipeline of current transformer cooling system.
As shown in Figure 2, the gear-box of wind-powered electricity generation unit, generator and current transformer all arrange temperature transducer 1, signal access controller 2, and controller 2 output signals drive opening or closing of electric gate valve 3, pump 7 and modulating valve 4; The signal of pressure gauge 11 passes to controller 2 in real time, and when underpressure took place, controller 2 sent signal enabling reagent supplies 6, when pressure is excessive, opens reduction valve 10;
In the present embodiment, in pre-preprocessing system pump 7 ingress filter 5 is installed, is prevented from cooling off reagent and polluted, cause the internal incrustation of the excessive and heat exchanger of on-way resistance;
The worker uses principle: gear-box, generator and current transformer all arrange temperature transducer 1 induction gear case, the temperature of generator and current transformer, temperature is crossed and is higher than setting value, controller 2 output signals drive pre-preprocessing system, pretreatment system, the gear-box cooling system, generator cooling system, pump 7 in the current transformer cooling system is started working, simultaneously, pump 7c in the pre-preprocessing system is in the lower seawater suction pipeline of temperature, the pump 7a of first order pretreatment system, the pump 7b of second level pretreatment system, the gear-box cooling system, generator cooling system, pump 7 in the current transformer cooling system makes liquid self-loopa in its system, reduce the temperature of liquid in the pretreatment system in the pre-preprocessing system by the double pipe heat exchanger 8c in its system, by same principle, reduced the gear-box cooling system at last respectively, generator cooling system, fluid temperature in the current transformer cooling system, the gear-box cooling system, generator cooling system, the current transformer cooling system is respectively by the double pipe heat exchanger 8 in its system, air-cooler 9 cooling gear-boxes, generator, current transformer; The signal of pressure gauge 11 passes to controller 2 in real time, when underpressure took place, controller 2 sent signal enabling reagent supplies 6, when pressure is excessive, open reduction valve 10, can well guarantee the pressure in gear-box cooling system, generator cooling system, the current transformer cooling system.
Use the secondary pretreatment system, can overcome because offshore wind farm unit strut is too high, need powerful suction pump, reduce to pump 7a pump 7b requirement.
Above-listed detailed description is specifying at the utility model possible embodiments; under the situation that does not break away from the utility model design; can make some simple deduction or replace, all should be considered as claims that the utility model is submitted to and determine scope of patent protection.
Claims (6)
1. the constituent of an offshore wind farm unit is characterized in that: be composed in series by double pipe heat exchanger (8), pump (7) series connection and air-cooler (9), pump (7) at the inner formation of wind-powered electricity generation set engine room cooling circuit; The gear-box of wind-powered electricity generation unit, generator and current transformer all arrange temperature transducer (1), signal access controller (2), the opening or closing of controller (2) output signal driven pump (7).
2. the constituent of offshore wind farm unit according to claim 1, it is characterized in that: also comprise electric gate valve (3) and/or modulating valve (4) at the inner formation of wind-powered electricity generation set engine room cooling circuit, described electric gate valve (3) and/or modulating valve (4) are connected with pump (7), and described controller (2) output signal drives opening or closing of electric gate valve (3) and/or modulating valve (4).
3. the constituent of offshore wind farm unit according to claim 1, it is characterized in that: in the inner formation of wind-powered electricity generation set engine room cooling circuit, also comprise reduction valve (10), pressure gauge (11), reagent supplies (6), described reduction valve (10), pressure gauge (11), reagent supplies (6) are connected with pump (7), described pressure gauge (11) signal access controller (2), controller (2) output signal drives opening or closing of reduction valve (10) or reagent supplies (6).
4. the constituent of offshore wind farm unit according to claim 1 is characterized in that: the wind-powered electricity generation set engine room inner constitute in the cooling circuit also comprise filter (5), described filter (5) is connected with pump (7).
5. according to the constituent of the described offshore wind farm unit of one of claim 1-4, it is characterized in that: described gear-box is provided with double pipe heat exchanger (8), and described generator, current transformer are provided with air-cooler (9).
6. the constituent of offshore wind farm unit according to claim 5 is characterized in that: establish double pipe heat exchanger (8) on the described gear-box, double pipe heat exchanger (8) is composed in series loop-type gear-box cooling system with pump (7); Establish an air-cooler (9) on the described generator, air-cooler (9) is composed in series the loop-type generator cooling system with pump (7); Establish an air-cooler (9) on the described current transformer, air-cooler (9) is composed in series loop-type current transformer cooling system with pump (7); (8a is 8b) with pump (7a, 7b) the loop pretreatment cooling system of Zu Chenging for described double pipe heat exchanger; (8a 8b) carries out energy interchange with the pretreatment cooling system to the double pipe heat exchanger of the pipeline of described gear-box cooling system, generator cooling system, current transformer cooling system by the pretreatment cooling system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2013200407428U CN203035467U (en) | 2013-01-25 | 2013-01-25 | Water-cooling system for offshore wind turbine generator |
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CN2013200407428U CN203035467U (en) | 2013-01-25 | 2013-01-25 | Water-cooling system for offshore wind turbine generator |
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CN2013200407428U Expired - Lifetime CN203035467U (en) | 2013-01-25 | 2013-01-25 | Water-cooling system for offshore wind turbine generator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108825453A (en) * | 2018-06-28 | 2018-11-16 | 湘电风能有限公司 | A kind of modularization offshore wind farm unit radiator |
WO2021248717A1 (en) * | 2020-06-09 | 2021-12-16 | 新疆金风科技股份有限公司 | Cooling system, and wind turbine |
-
2013
- 2013-01-25 CN CN2013200407428U patent/CN203035467U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108825453A (en) * | 2018-06-28 | 2018-11-16 | 湘电风能有限公司 | A kind of modularization offshore wind farm unit radiator |
WO2021248717A1 (en) * | 2020-06-09 | 2021-12-16 | 新疆金风科技股份有限公司 | Cooling system, and wind turbine |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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Granted publication date: 20130703 |
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CX01 | Expiry of patent term |