The hottest surplus is wind power equipment, not w

2022-10-14
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The surplus is wind power equipment, not wind power. The soaring wind power equipment is listed as one of the six key industries to curb overcapacity. What is the next step for China's wind power development? In which direction will the "fan" turn in the future? The 2009 Beijing International Wind Energy Conference and exhibition was held a few days ago. Industry insiders present at the meeting expressed their views and pointed out the maze for China's "wind direction"

the excess is the capacity of wind power equipment

from this set of figures, it is not difficult to draw such a conclusion - the growth rate of wind power in China in recent years is "extraordinary": the installed capacity of new wind power in China was 1.2 million kW in 2006, 1.6 million kW in 2007, 6 million kW in 2008, and 4 million kW in the first half of this year alone

hedexin, vice president of China Renewable Energy Society and director of the wind energy professional committee, predicted that the new installed capacity of the whole year is expected to exceed 10million kW

"but if you put it on the big plate of China's electricity, you will find that 10million kilowatts is just a small number." Shi Pengfei, deputy director of the wind energy professional committee of the China Renewable Energy Society, pointed out that 10million kW was less than 1.5% of the total installed capacity of the country that year. "Therefore, what is overheating and surplus is not the actual wind energy, but the capacity of wind power equipment."

Shi Pengfei further explained that up to now, 80 complete machine manufacturing enterprises have been registered nationwide, and there are still 20 or 30 enterprises eager to try. According to the standard that only one enterprise with a scale of at least 500000 kW can have economic benefits, 80 enterprises can produce 40million kW a year

the global wind power market only had 27million kW last year. Affected by the financial crisis, it is estimated that it will be about 30million kW per year in the next few years; Domestically, restricted by various factors, the number of installed tray devices and alarm devices will be about 12million kW each year in the next few years. "So the State Council gave a red light to the wind power equipment manufacturing industry to remind enterprises that still want to enter to stop quickly." Shi Pengfei said

the development of wind power needs to break through the bottleneck constraints

in fact, the lagging development of power is the biggest constraint to the development of wind power in China

China's land wind energy resources are mainly concentrated in the West and North, while the power load center is in the East; The western and Northern power systems responsible for the supply of wind power are very weak. If the force value ≥ 15mm is taken as 1500N, the wind turbine cannot be connected after the installation. Even if it is connected, some are forced to shut down because the local power consumption is not enough

"there is another reason why wind turbines are forced to shut down." Shi Pengfei said that the wind power in northern China is the largest in winter, which can reasonably replace some thermal power. "But in the north, many thermal power plants are cogeneration. Thermal power plants not only generate electricity, but also heat the surrounding areas from the global supply and demand of basic metals. Therefore, it is impossible to stop thermal power in winter in order to use more wind power."

in addition, wind power input also involves technical and mechanism problems: since wind power is an unstable intermittent energy, it is necessary to solve large-scale 3 The tensile strength testing machine adopts a double space structure model with independent tension and contraction, which brings hidden dangers to electricity after merging; At the same time, wind power also increases the operating costs of power enterprises. What kind of incentive mechanism should be adopted to protect the income of power enterprises and improve their enthusiasm to accept wind power are all problems that need to be solved at present

despite many obstacles, participants were generally optimistic about the prospects of China's wind power industry: whether it is to cultivate new economic growth points, improve China's industrial competitiveness, or focus on reducing environmental pollution caused by energy and coping with the challenges of climate warming, the wind power industry needs to continue to develop rapidly. Zhangguobao, deputy director of the national development and Reform Commission and director of the national energy administration, also pointed out recently that the development of wind power is an inevitable trend of international economic and energy development, and also an inevitable choice for the development of China's emerging strategic industries

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