Introduction to wind power
Wind is a new energy source with great potential, and people may remember that a violent gale that swept across Britain and France in the early 18th century destroyed 400 wind mills, 800 houses, 100 churches, and more than 400 sailing ships, and harmed thousands of people, and uprooted 250,000 large trees. For the uprooting of the trees alone, the wind sent out ten million horsepower (i.e., 7.5 million kilowatts; one horsepower equals 0.75 kilowatts) of power in a matter of seconds! It has been estimated that there are about 10 billion kilowatts of wind power resources available on the earth for generating electricity, which is almost 10 times the amount of hydroelectric power generated worldwide today. At present, the world's annual energy gained from burning coal is only one-third of the energy provided by wind power in a year. Therefore, both at home and abroad attach great importance to the use of wind power to generate electricity and develop new energy sources.
Attempts to use wind power to generate electricity began as early as the beginning of this century. In the thirties, Denmark, Sweden, the Soviet Union and the United States applied the rotary wing technology of the aviation industry and successfully developed some small wind power generators. These small wind turbines, widely used on windy islands and in remote villages, obtained electricity at a much lower cost than that generated by small internal combustion engines. However, the power generation capacity at that time was low, mostly under 5 kilowatts.
At present, it is understood that foreign countries have produced 15, 40, 45, 100, 225 kilowatts of wind turbines. 1978 January, the United States in the town of Clayton, New Mexico, built 200 kilowatts of wind turbines, the blade diameter of 38 meters, the power generation is enough to 60 households with electricity. The early summer of 1978, in Denmark, the west coast of the Jutland Peninsula into operation of the wind power plant, its power generation capacity of 2000 kilowatts, windmill height of 57 meters, 75% of the power generated into the grid, the rest of the supply of a nearby school with.
In the first half of 1979, the United States in North Carolina's Blue Ridge Mountains, and built one of the world's largest windmills for power generation. This windmill has ten-story high, windmill steel blade diameter of 60 meters; blade installed in a tower building, so the windmill can be free to rotate and from any direction to obtain electricity; wind speed of 38 kilometers per hour or more, the power generation capacity can also be up to 2,000 kilowatts. Since the average wind speed in this hilly area is only 29 kilometers per hour, the windmill cannot move all the way. It is estimated that even if it operated only half the year, it would be able to meet 1 to 2 percent of the electricity needs of seven North Carolina counties.
How can wind be used to generate electricity?
We convert the kinetic energy of the wind into mechanical energy, and then convert that mechanical energy into electricity, which is called wind power. Wind power generation requires a device called a wind turbine. This wind turbine, broadly speaking, can be divided into wind wheel (including rudder), generator and tower three parts. (Large wind turbines basically do not have rudders, and generally only small (including home-type) will have rudders)
The wind turbine is an important part that transforms the kinetic energy of the wind into mechanical energy, and it consists of two (or more) impellers in the shape of a propeller. When the wind blows to the pulp blade, the paddles produce aerodynamic force to drive the wind wheel rotation. The material of the paddle blade requires high strength and light weight, and is now mostly made of glass fiber reinforced plastic or other composite materials (such as carbon fiber). (Now there are some vertical wind turbine, s-type rotating blade, etc., its role is also the same as the conventional propeller blade)
Because of the wind turbine rotational speed is relatively low, and the size and direction of the wind is often changing, which in turn makes the rotational speed is unstable; therefore, before driving the generator, it is necessary to attach a speed to the generator to increase the rated speed of the gearbox, and then add a speed regulator to make the rotational speed to keep the speed stable, and then coupled to the generator. In order to keep the wind wheel always aligned with the wind direction to get the maximum power, it is also necessary to install a rudder similar to a wind vane at the back of the wind wheel.
The tower is the structure that supports the wind turbine, rudder and generator. It is generally built higher, in order to obtain a larger and more uniform wind, but also to have enough strength. Tower height depending on the ground obstacles to the wind speed, as well as the size of the diameter of the wind wheel, generally in the range of 6-20 meters.
The role of the generator, the constant speed obtained by the wind wheel, through the speed transfer to the power generation mechanism to run evenly, and therefore the mechanical energy into electrical energy.
How strong is the wind to generate electricity?
Generally speaking, a force 3 wind is worth utilizing. But from an economically rational point of view, the wind speed is greater than 4 meters per second is suitable for power generation. It is measured, a 55 kilowatt wind turbine, when the wind speed of 9.5 meters per second, the unit's output power of 55 kilowatts; when the wind speed of 8 meters per second, the power of 38 kilowatts; wind speed of 6 meters per second, only 16 kilowatts; and wind speed of 5 meters per second, only 9.5 kilowatts. It can be seen that the greater the wind, the greater the economic benefits.
In our country, there are now many successful small and medium-sized wind power generation unit in operation.
China's wind resources are extremely rich, the vast majority of the region's average wind speed is more than 3 meters per second, especially in the northeast, northwest, southwest plateau and coastal islands, the average wind speed is greater; some places, more than one-third of the year are windy days. In these areas, the development of wind power generation is very promising.
Principle of Wind Power Generation
The principle of wind power generation is to utilize the wind to drive the windmill blades to rotate, and then through the speed booster to increase the rotating speed to drive the generator to generate electricity. According to current windmill technology, a breeze of about three meters per second (the degree of the breeze) can start generating electricity. Wind power is a worldwide boom, and there are no fuel problems, radiation or air pollution associated with wind power.
Wind power is popular in countries such as Finland and Denmark; it is also being strongly promoted in China's western region. Small wind power generation system is very efficient, but it is not composed of only a generator head, but a small system with a certain amount of technology: wind turbine + charger + digital inverter. The wind turbine consists of a head, a rotor, a tail, and blades. Each part is very important, the function of each part is: the blades are used to receive the wind and through the head to electrical energy; tail so that the blades are always in the direction of the incoming wind so as to get the maximum wind energy; rotating body can make the head of the flexible rotation in order to achieve the function of the tail to adjust the direction of the; head of the rotor is a permanent magnet, the stator windings cut the magnetic lines of force to produce electrical energy.
Wind turbines are unstable because of the wind, so their output is 13 to 25V variation of alternating current, which must be rectified by the charger, and then charged to the battery, so that the electricity generated by the wind turbine becomes chemical energy. Then use the inverter power supply with protection circuit to transform the chemical energy in the battery into 220V AC mains power in order to ensure stable use.
People usually think that the power of wind power generation is completely determined by the power of the wind turbine, and always want to buy a larger wind turbine, which is not true. The current wind turbine is only to charge the battery, and by the battery to store the electricity, people end up using the size of the electric power and the size of the battery has a closer relationship. The amount of power depends more largely on the amount of wind, not just the amount of head power. Inland, a smaller wind turbine would be more appropriate than a larger one. This is because it is more likely to be driven by a small amount of wind to generate power, and a constant small wind will supply a larger amount of energy than a momentary gale. When there is no wind, people can still use the wind power normally, that is to say, a 200W wind turbine can also be used through a large battery with the inverter, to get 500W or even 1000W or even greater power out.
Using a wind turbine is a constant stream of wind energy into our standard utility power for home use, and the savings are obvious, with a family's electricity consumption costing only 20 dollars of battery fluid a year. And now the wind generator than a few years ago, the performance of a great improvement, before only in a few remote areas, the wind generator connected to a 15W light bulb direct electricity, a light and a dark and will often damage the light bulb. And now due to technological advances, the use of advanced chargers, inverters, wind power has become a small system with a certain technological content, and can replace the normal utility under certain conditions. Mountainous areas can use this system to do a year-round street lamps do not spend money; highway can be used to do it at night signposts; mountain children can study under fluorescent lamps; urban high-rise roofs can also be used for wind motors, which not only saves but also is a real green power. Family with wind turbines, not only can prevent power outages, but also increase the interest of life. In the tourist attractions, border guards, schools, troops and even backward mountainous areas, wind turbines are becoming a hot spot for people's purchases. Radio enthusiasts can use their own technology in the wind power generation for the people in mountainous areas, so that people watching TV and lighting electricity with the city synchronization, but also to make their own labor rich.
China's wind energy resources
One, general
China's wind energy resources are abundant, can be developed and utilized wind energy reserves of about 1 billion kW, of which, the land-based wind energy reserves of about 253 million kW (land off the ground at a height of 10m height information calculations), the sea can be developed and utilized wind energy reserves of about 750 million kW, *** counted 1 billion kW. and the end of 2003 The national power installed about 567 million kW.
Wind is one of the energy sources without public harm. And it is inexhaustible. For the lack of water, lack of fuel and inconvenient transportation coastal islands, grasslands and pastoral areas, mountainous areas and plateau zone, the use of wind power generation in accordance with local conditions, very suitable, promising.
Wind power industry in China's independent intellectual property rights products are introduced:
In the 1990s, China's independent power supply system mainly uses horizontal axis wind turbines and solar photovoltaic systems to supply electricity, mainly used in communications base stations, border posts, island troops and other special occasions, mainly for the troops of a set of logistical support system.
After a certain time of application, many problems were found. Such as serious damage to equipment during typhoons; noise, affecting the normal rest of personnel; interference with communications equipment, making some equipment can not operate normally. The occurrence of these problems makes the normal communication of the force has been affected.
In 2001, in order to solve these problems, the convening of the relevant units to discuss, as a supporting manufacturer of communication products for the troops of the Shanghai Moss Electronic Equipment Company Limited was also invited. After the meeting, after a certain period of research and study, MUCE company proposed to undertake the task of scientific research, the leadership of the army agreed, and issued instructions, must come up with technical solutions and prototypes as soon as possible.
With the cooperation of a group of experts from Western Military Power, Western Jiaotong University, Shanghai Fudan University, Shanghai Tongji University and other universities, Shanghai MUCE Electronic Equipment Co., Ltd. successfully developed the world's first new (H-type) vertical axis wind turbine in less than a year, and successfully installed the test to obtain the basic data and practical experience. (This also became the birth date of the world's first new vertical axis wind turbine.) In the following year, MUCE made countless improvements and tests on the product, and at the end of 2002 the product passed all the tests and met all the design requirements.
Since the end of 2002, MUCE has installed more than 60 sets of vertical-axis wind turbines and wind-solar hybrid systems in the army, which has made a monumental contribution to the stabilization of national defense!
The wind and solar complementary street light power supply system produced by Shenzhen Chengyuan Company is an emerging road lighting system that comprehensively utilizes solar and wind energy. Separate solar or wind energy heating system, due to time and geographical constraints, it is difficult to utilize solar and wind energy resources around the clock. And solar energy and wind energy have strong complementarity in time and geography, the wind is small when the light is strong during the day, and when the light is weak at night, the wind energy is enhanced due to the large temperature difference between the surface, the complementary nature of solar energy and wind energy in time is the best match of wind and solar complementary street light power supply system in the utilization of resources. The system is energy-saving, environmentally friendly, renewable, inexhaustible, and will surely become a mainstream alternative to other road lighting systems in the future. When the system works, the solar collector collects solar radiation energy to generate electricity (during the day), which is transmitted to the power control system through a special line, stored and dispatched. Wind turbine generator all-weather use of wind energy, wind energy into electrical energy, and then through the controller rectifier, to the battery pack charging.
New Wind Energy Conversion Method - Runoff Twin Wheel Effect
The Runoff Twin Wheel Effect or Twin Wheel Effect is a new type of wind energy conversion method.
First of all, it is a double-wheel structure, relative to the horizontal axial fan, it is radial, with the existing vertical axis fan are laid along the long axis of the paddle, the direct use of the wind's thrust rotating work, a single wheel vertical axis wind turbine due to the shaft on both sides of the paddle at the same time to accept the wind and torque on the opposite side, offset each other, the output torque is not large. Designed as a double-wheel structure and installed close to the synchronous operation, the original vertical axis torque output on the paddle hydrodynamic shape of the dependence on the use of the vortex force between the two wheels and then changed to the use of rotation between the use of vortex force, the two wheels lending each other to push each other; and blowing to the two wheels between the reversal of the wind flow can be mutually blocked, and then sequentially take turns in the allocation of the two wheels on the outside of the two wheels so that the two wheels get the outside of the superposition of the wind flow, so that The outer edges of the wheels can be higher than the wind speed, the dual-wheel structure of this mutual assistance, the active use of the wind characteristics of the "dual-wheel effect".
Compared with some of the single-wheeled structure of the wind turbine using an additional shielding method, movable pitch torque and other passive to reduce the impeller rotary reset resistance design, reflecting the characteristics of the active use of wind power. Therefore, this invention not only has a practical role in promoting the research and development of wind power utilization, but also has a new significance in terms of fluid mechanics. It opens up a new space for the development of wind energy, is an invention with the nature of the foundation, this double-wheeled fan has a simple design, easy to manufacture and processing, lower number of revolutions, the center of gravity down, good security, low operating costs, easy maintenance, no noise pollution and other obvious characteristics, can be widely popularized and promoted to adapt to the needs of China's energy conservation and emission reduction, there are great prospects for the market.
Wind Energy Market Overview
Wind energy, as a clean and renewable energy source, is increasingly being emphasized by countries around the world. Its huge amount of global wind energy is about 2.74×109MW, of which 2×107MW can be utilized, which is 10 times larger than the total amount of water energy on earth that can be developed and utilized. China's wind energy reserves are very large and widely distributed, only onshore wind energy reserves of about 253 million kilowatts.
With the development of the global economy, the wind energy market has also developed rapidly. Since 2004, global wind power capacity has doubled, and between 2006 and 2007, global installed wind power capacity expanded by 27 percent. 90,000 megawatts (MW) were already in place in 2007, and this figure will be 160,000 MW by 2010. The world wind energy market is expected to grow by 25% annually over the next 20-25 years. With technological advances and environmental causes, wind power will be fully commercially competitive with coal-fired generation.
"Tenth Five-Year Plan" period, China's grid-connected wind power has been rapid development. 2006, China's cumulative installed capacity of wind power has reached 2.6 million kilowatts, after Europe, the United States and India to develop one of the main markets for wind power generation. 2007 China's wind power industry scale continued to storm the growth trend. By the end of 2007, the country's cumulative installed capacity of about 6 million kilowatts. 2008 August, China's wind power installed capacity has reached 7 million kilowatts, accounting for China's total installed capacity of power generation of 1%, ranked fifth in the world, which also means that China has entered the ranks of renewable energy power.
Since 2008, the domestic wind power construction boom has reached a white-hot level. By the end of 2008, the scale of wind power could reach 10 million kilowatts, and by 2010 the cumulative installed capacity could reach 20 million kilowatts.
China's wind and other new energy power generation industry has a very broad development prospects, is expected to maintain a long period of time in the future will maintain a high rate of development, at the same time, profitability will also be with the gradual maturation of the technology to steadily improve. 2009 the industry's total profit will maintain a high rate of growth, after the rapid growth in 2009, the growth rate is expected to be a little down in 2010, 2011, but the growth rate will also be will reach more than 60%.
Wind power development to the current stage, its cost-effective is being formed with coal power, hydropower competitive advantage. The advantage of wind power is that for every doubling of capacity, the cost falls by 15%, and in recent years the world's wind power growth has been maintained at more than 30%. With the localization of China's wind power installations and the scale of power generation, the cost of wind power can be expected to fall again. Therefore, wind power began to become more and more investors in the land of the gold.
Prospects of wind power generation
China's new energy strategy has begun to vigorously develop wind power as a priority. According to national planning, the next 15 years, the national installed capacity of wind power generation will reach 20 million to 30 million kilowatts. With an investment of 7,000 yuan per kilowatt of installed capacity equipment, the future wind power equipment market will be as high as 140 billion yuan to 210 billion yuan.
New portable high-efficiency small wind turbine
Tianli High-tech Energy Group manufacturing portable high-efficiency micro wind turbine generator of the grand listing, to fill the industry in this area of the blank; will be the wind generator from the megawatt level to the vertical extension of the portable, and its power to minimize the reduction to the 5W, the weight is reduced to 1KG! Widely used in military activities, education and scientific research, wilderness adventure, Tourism, wind and light complementary street lamps, garden lamps, landscape lamps and other fields! Widely used in military activities, education, scientific research, wild adventure, tourism, wind and solar complementary street lamps, garden lamps, landscape lamps and other fields!
China's well-known wind power enterprises
Name of wind power generation machine manufacturing organizations
Lead Wind Power (Jiangxi) Co.
Geodian United Power Technology Co.
Hebei Leiwo Power Equipment Co.
Hebei Baoding Tianwei Wind Power Science and Technology Co.
Vestas Wind Power Technology Corporation
Xinjiang Goldwind Science and Technology Development Company
Sichuan Fengrui Energy
GAMESA
GE Energy Group
Huarui Wind Power Technology Co.
Zhejiang Huayi Wind Energy Development Co.
Suslan Energy Co.
Jiangxi Meade Wind Energy Equipment Co. Ltd.
Changzhou Railway Vehicle Traction Transmission Engineering Technology Research Center
Shanghai Electric Wind Power Equipment Co. Repower
Zhejiang Yunda Wind Power Engineering Co.
Shanghai Wande Wind Power Co.
Foshan Dongxing Wind Ying Wind Power Equipment Manufacturing Co.
Weifang Zhongyun Machinery Co.
Dongfang Turbine Co.
Baoding Huide Wind Power Engineering Co.
Harbin Hadian Wind Power Equipment Company
Beijing Beizhong Turbine & Motor Co.
Shenyang Huachuang Wind Energy Co.
Xi'an Weide Wind Power Equipment Co. Ltd.
Jiaxing Anhua Wind Power Equipment Co.
Shanghai Siyuan Zhiyuan Green Energy Co.
Ningbo Windshen Wind Power Technology Co.
Shenzhen Fengfa Technology Development Co.
Shanghai Linhui New Energy Technology Co.
Xi'an Dayi Wind Power Technology Co.
Rui'an Hailite Wind Power Co.
Blade and its materials
Name of organization
Chongqing International Composite Material Co.
Shanghai FRP Research Institute
Jiangsu Jiuding New Material Co.
Nanjing Advanced Composite Products Co.
Shanghai Yueke Composites Co.
China National Instrument Industry Group Fifth Third Science and Technology Research Institute
Weihai Carbon Fishing Rods Factory
Jinling DSM Resin Co.
CAIC (Baoding) Huiteng Wind Power Equipment Co.
Baoding Tianwei Wind Power Blade Co.
Zhejiang Lianyang Composites Co.
Changshu Capper (Core Board) Composites Co.
Beijing Hengjixing Industry & Trade Co. Organization Name Xiangtan Electric Machinery Co.
South Railway Electric Machinery Co.
Xi'an Jieli Power Electronics Co.
Lanzhou Electric Machinery Co.
Dongfang Electric Machinery Co.
Shanghai Electric Group
Shield Electric
Leader Wind Power Generation (Jiangxi) Co. Ltd.
Gearbox/Slewing Bearing
Organization Name
Nanjing High-Speed Gear Manufacturing Co.
GAT Transmission Technology Ltd.
Luoyang Jinglian Mechanical Basic Components Co.
Xuzhou Rotary Slewing Bearing Co.
Schaeffler China Co.
Maanshan Fangyuan Slewing Bearing Co.
Zhejiang Tongli Reduction Gear Co.
Pitch System
Organization Name
Guilin Star Power Electronics Co.
GAT Transmission Technology Ltd.
Lustre Green Energy Electric System (Shanghai) Co. System & Converter
Organization
Mita-Teknik
GAT Transmission Technology GmbH
Hefei Sunshine Power Supply Co.
Nanjing Huanli Heavy Industry Machinery Co.
Penlink Electronic Technology Co. Ltd.
Shengye Electric Co.
Yanxiang Intelligent Technology Co.
Nanjing Guanya Power Supply Equipment Co.
China Electric Group Co.
Emerson Network Power Co.
Beijing OuMaTe Digital Science & Technology Co.
Beijing Qingneng Huafu Wind Power Technology Co. Ltd.
Brakes and Couplings
Organization Name
Antek Brake Systems (Tianjin) Co.
Jiaozuo Ruixel Disc Brake Co.
Shenyang Linrui Wind Power Equipment Co.
Hanzhong Haili Hydraulic Control Co.
Herdecke Hydraulic Technology (Shanghai) Co.
Atos Italia Shanghai Co.
Eaton Fluid Power Shanghai Co. >Ltd.
Herbig (Wuxi) Automation Technology Co.
Shanghai Mintai Technology Co. p>Changzhou Rail Vehicle Traction Transmission Engineering Technology Research Center
Wuxi Ronnie Weir Machinery Equipment Co.
Ningxia Yinguang Steel Component Manufacturing Co.
Beijing ShengHuiHeng Science and Trade Co. p>AVANTL
Cooling/lubrication/anti-corrosion systems
Organization name
Klüber Lubrication (Shanghai) Co.
Elf Lubricants (Guangzhou) Investment Co.
ExxonMobil (China) Investment Co.
Tianjin Moton Lubrication Technology Co. Ltd.
Sichuan Guorun Trading Co.
The Fifth Third Research Institute of China National Weapons Industry Group
China Petroleum & Chemical Corporation Lubricating Oil Branch
TBEA (Deyang) Cable Co.
American Paton Wire & Cable Company
Shanghai Lanco Electric Co.
Precision Bearings/High Strength Bolts
Organization Name
Zhejiang Dieter High Strength Bolts Co.
Schaeffler (China) Co.
Beijing Dailock Industrial Lock Co.
Luoyang LYC Bearing Co.
Shaanxi Hai Feng Petroleum Machinery Manufacturing Co. Midifi Hardware Tools (Shanghai) Co.
Shanghai Shenguang High Strength Bolt Co.
Ubisoft Bearing Company Chengdu Office
Ningbo Zhenhai Shanda High Strength Fasteners Factory
Korea (Co.) Pingshan Dalian Rep. Office
Wheel / Casting & Forgings / Flanges / Die Casting Billets & Machining
Organization Name
Jiangsu Huadong Wind Energy
Shanghai Changjing Metal Fabrication Co.
Jiangyin Fangyuan Ring & Forging Flange Co.
Shanxi Dingxiang Jinrui High Pressure Ring Fittings Co.
Wuxi Dachang Heavy Duty Ring Fittings Co.
Jiangyin Huaxi Flange & Fittings Factory
Hangzhou Shenda Casting Co.
Wuxi Baolu Forging Co.
Dingxiang Yan's Forging Co.
Shanxi Xianglong Wind Power Equipment Manufacturing Co.
Jiangsu Guoguang Heavy Machinery Co.
Chinese Foundry Research Institute of FAW Casting Co.
Henan Hongyu Special Castings Co.
Wuxi Excellence Casting Co.
Shanghai Jiajie Casting Co.
Shanghai Jiajie Import & Export Co.
Nacelle Cover
Organization Name
Qinhuangdao Yaohua Glass Reinforced Plastic Joint Stock Company
Shandong Shuangyi Group Co.
Lanzhou Electric Machinery Co.
Jiangsu Jiuding New Material Co.
Dehesheng Electric (Shanghai) Co., Ltd
Tongtuo Hesheng Beijing Trading Co.
Zhejiang Huayi Wind Energy Development Co.
Qingdao Fanglei Resistance Reducing Material Co.
Nanjing Phoenix Contact
BALLUFF
Transportation/Installation/Maintenance Services and Tools
Organization Name
Shanghai Kaidao Trading Co. Maintenance Tools)
Xinjiang Xinfeng Installation Engineering Co.
Tianjin Tongtian Technology Co.
Beijing Nuoding Industrial Equipment Co.
Shanghai Shirui Industrial Co.
Delech Crane & Sling (Kunshan) Co.
Changzhou Aipu Ultra-High Voltage System Co. Beijing Jiahuitong Electromechanical Technology Co.
Konecranes Group
Tecoapp Hydraulic Wrench Company
Consulting/Certification/Assessment/Training
Organization Name
Chinese Meteorological Administration Wind and Solar Energy Resource Evaluation Center
Hao Han International Wind Power Center
Beijing Ji Peng Information Consulting Co. Ltd.
China Classification Society (CCS) Product Division
Tianjin Branch of the Sixth Design and Research Institute of the Machinery Industry
Garrad Hassan Partners Ltd. Beijing Representative Office (GH) Company
Common Criteria Standards Technical Services Ltd. National Wind Resources Assessment Center
Hebei Electric Power Survey and Design Institute
China Meteorological Research Institute
Heilongjiang Electric Power Survey and Design Institute
China Fulin Wind Energy Development Company
China Hydroelectric Power Consultant Group Zhongnan Survey and Design Research Institute
Hebei Electric Power Survey and Design Institute
Suzhou Egret Wind Power Vocational and Technical Training Center
Wind Power Investor/Operation Management/Wind Farm
Organization Name
China Water Resources Investment Group Investment and Development Department
Chinese Energy Conservation Investment Company
Datang Power Generation Group
Huaergy Group Company
Ever E Holding Group Company
Liaoning Hengxiang Wind Power Technology Development Co.
China Guangdong Nuclear Power Group Corporation
China Water Conservancy Investment Group Investment and Development Department
Zhejiang Huayi Wind Power Development Co.
China Water Conservancy and Hydroelectric Power Construction Corporation
Wind Power Industry Colleges and Universities/Research Institutes and Industry Organizations
Organization Name
Chinese Association of Agricultural Machinery Industry, Wind Energy Equipment Branch
Chinese Association of Comprehensive Utilization of Resources, Renewable Energy Professional Committee
Tianjin Branch of the Sixth Design and Research Institute of Machinery Industry
Shantou University Energy Research Institute
Xihua University Wind Power Technology Research Institute
Shanghai FRP Research Institute
Chinese Meteorological Administration Wind and Solar Energy Resource Evaluation Center
Shenyang University of Technology Wind Energy Technology Research Institute
National Wind Machinery Standardization Technical Committee
National Engineering and Technology Research Center for Wind Power Generation
Shanghai Information Consulting and Research Center of Shanghai Science and Technology Intelligence Research Institute, Shanghai Library
Research Institute of Wind Power Generation Technology and Equipment, Chongqing University