China’s five major challenges facing the offshore wind power
With China’s offshore wind power concession bidding work started, the industry believe that 2010 will become the first year of offshore wind power generator development. The World Bank in June specializing in publishing a report that the Chinese Government plans to resource-rich and sparsely populated western region to expand the scale of wind power on land, carried out in the eastern coastal intertidal pilot wind turbineg generator project, and start in the deep waters of the wind farm development The strategy is feasible. Meanwhile, China’s development challenges facing the offshore wind, the Bank also carried out analysis:
First, the characteristics of wind energy resources to clear. Report, Liao Jie a high wind Texing right Jianshe De wind farm Zhiguanzhongyao, for example, Tong Yang a wind turbine, installed at an average annual wind speed 9m / s wind Chang installed in more than 6.5m / s wind field Fadian volume will double. If the wind is not doing enough work, it will lead to unreliable estimates generating capacity, to investment risks.
Currently, most of the coastal provinces of wind has a very limited, in fact, investment in wind farm compared to the input wind negligible: according to expert estimates, a cost of 2MW turbines can be used to build more than 50 wind tower.
Second, good project design, using sophisticated fans. As the complexity of the marine environment than on land, offshore wind power to solve any minor problems will have to pay a high price. At present the performance of Chinese-made fan not satisfactory and the import of design standards used by many fans according to the Nordic wind conditions, establish, and totally dependent on the unrealistic and unsustainable. World Bank suggested that the domestic large-scale fan manufacturers started cutting-edge technology research and development, a breakthrough by leaps and bounds. 4MW for the development of more large-scale offshore wind turbines, the government should give preferential policies to support.
Third, improve the supporting laws and regulations offshore wind generators. Currently, offshore wind power development in China is still a new thing, a lot of offshore oil and gas exploitation and shipping regulations are still being used for offshore wind power development activities in the examination and approval, this will result in time delays and increased project costs.
Fourth, strengthening the professional ranks. China to achieve large-scale wind power development requires construction of a large number of construction personnel and operating and maintenance professionals. This is a difficult task, even in Western countries there are also the same problem. Experts have estimated that due to shortage of qualified professional and technical personnel, coupled with poor operation and maintenance, to the American Wind caused damage amounting to 1% -2%.
5 is a network access problem. Shiji Shang, for any small wind generators project,, because of its power generation of the stability and non Yuce Bu Xing, and Wang will be a great issue and Military Maritime wind power is no exception. At present, China’s first offshore wind power demonstration project – Shanghai East Sea Bridge 10 to 34 thousands of Wahe upwind field units have been grid, but the East China Sea Bridge project and promising Expo “gift” of the task, and other offshore wind power project The grid-work may not have run so smoothly.
In this regard, the World Bank recommends that a National Grid Company, in consultation with industry associations on the basis of the views, clear the land of small wind turbines and offshore wind power and network technology requirements in order to minimize the uncertainty faced by developers. Approval of construction of the offshore wind power demonstration project, may consider providing free Internet access.
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