tailieunhanh - Wind Turbines Part 2

Tham khảo tài liệu 'wind turbines part 2', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 30 Wind Turbines under technology transfer arrangements started with a 20 percent local content requirement and a goal of an increase to 80 percent as learning on the Chinese side progressed 25 32 . China s recent large government wind tenders referred to as wind concessions have a local content requirement that has been increased to 70 percent from an initial 50 percent requirement when the concession program began in 2003. Local content is also required to obtain approval of most other wind projects in the country with the requirement recently increased from 40 to 70 percent 25 . 3. Wind market growth rates An important indicator for the vitality of the wind market is the growth rate in relation to the installed capacity of the previous year. The growth rate went up steadily since the year 2004 reaching in 2008 after in 2007 in the year 2006 and in 2005. However this increase in the average growth rate is mainly due to the fact that the two biggest markets showed growth rates far above the average USA 50 and China 107 Fig. 2 . Bulgaria showed the highest growth rate with 177 however starting from a low level. Also Australia Poland Turkey and Ireland showed a dynamic growth far above the average 30 . Figure 3 shows that world wind market growth rate in 1999 was the highest and then was decreased to the year 2004 which was the lowest. Since 2004 it has had a slight increase. It is also interesting to know that growth rate for Turkey in 2007 was a lot more than 2008. Between 1991 and 1995 both the average list price of wind turbines and turnkey investment costs of wind farms in Germany have declined steadily by about 8-9 per year. However average prices remained rather stable since 1995. In fact the price of the cheapest turbine available even increased during 1995-1999. There are a number of possible explanations for these trends. In Germany more and more wind parks are situated in inland areas with 2008 2007 Fig. 2. Top ten countries with .

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