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Power Electronics and Wind Power

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Power Electronics and Wind Power ( power-electronics-and-wind-power )

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Power Electronics and Wind Power GERTMAR Lars A wind power overview Wind power is a business area with a considerable annual growth since several years. Research & Development is promoted by several European governments, which are aiming at new renewable energy facilities. Only a few countries have started manufacturing and installations in large scale. Denmark, Germany and the Netherlands made the choice to introduce wind power in their countries, decades ago. Spain came more recently. The wind turbine business has grown considerably during the years. It has been monitored annually with detailed figures like those in Fig. 2 and 3 during the years especially by Madsen [3], a wind power insider who several years ago was affiliated with Vestas. The worldwide power generation business which amounts to 80 G /year. The wind turbine business is today 10 % i.e. 8 G /year. Fig. 2: The Top-10 list of suppliers 2002 [3]. GE Wind Energy, active in both Europe and US, was during a short period Enron Wind. GE’s German part was earlier Tacke. Fig. 3: World Market Growth rates 1997-2002 [3]. An industrial dynamics perspective, focussed on wind power in Germany, in the Netherlands and in Sweden, was recently (spring 2002) finalised in a PhD-thesis by Bergek [4]. Her work holds in one of her papers [5] an overall description of the history when wind power became an alternative source to nuclear power in Denmark and in the Netherlands: “In the late 1970s and early 1980s, large firms such as MBB and SAAB entered the industry on the basis of government contracts to develop MW turbines. Most of these firms left in the 1980s or early 1990s, mainly because of the non-viability of MW turbines at that time. In parallel, many smaller firms entered, either as entrepreneurial start-ups or as a result of the diversification by mechanical engineering firms. These firms focused on smaller turbines and came from, e.g., Denmark, the Netherlands and Germany. In Denmark, as many as 26 firms had sold more than three turbines in the 1980s. In Germany, 13 firms were active in the 1980s. In the Netherlands, 15-20 firms entered the field in the late 1970s and early 1980s.” EPE 2003 - Toulouse ISBN : 90-75815-07-7 P.4

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