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Power Electronics and Wind Power
GERTMAR Lars
Keywords
Power Electronics and Wind Power
Lars Gertmar *,**
* ABB, Corporate Research, Västerås, Sweden Phone:+4621323131 Fax:+4621323264
** Dep. of Industrial Electrical Engineering and Automation LTH/IEA, Lund University, Sweden
E-mail: Lars.Gertmar@se.abb.com Lars.Gertmar@iea.lth.se
Wind Energy, Wind Generator Systems, Adjustable Speed Generation Systems, Renewable Energy Systems, Power Transmission
Abstract
Renewable energy facilities will constitute a major contribution to electrical power in the future. The wind turbine will, together with biomass, form the major renewables parts up to year 2030 including erection of offshore wind farms. The wind is a non-storable energy source, whose electric energy needs priming into interchangeable energy to be competitive for large-scale power generation. An essential task is then to make wind power as commercially valuable and fungible as electric power produced by traditional, dispatched plants such as fossil fuel power plants, hydroelectric plants, nuclear plants and the like. Power electronics is a fundamental candidate when priming wind power. Another candidate is automation starting in the towers and ending in load management. Power electronics and automation shall be cost-effective and reliable. Power electronic hardware shall be common but in moderation because losses and investments must be paid back: by better trading on the power exchange, by availability, by reduced mechanical and/or civil engineering as well as by efficiency and reliability. An overview of wind power from different perspectives: collection & transmission (C&T), energy storage, R&D e.g. in EU and US, existing technology, wind’s future(s) business, etc. is comprised. EPE should be challenged to exploit wind power opportunities.
Introduction
Energy sources for power generation—year 2000 – 2030 – 2060
Fig. 1: A stacked area diagram of today’s and long-term energy sources for power generation. [1] Slightly changed. Diagram also denoted Market Intelligence / Fuel / FU / 120 JW1 / 990531.
World electrical energy consumption is rising by about two percent per year.
So far, fossil fuels have been
the main electrical energy source,
but renewable sources are now taking off.
By 2060,
more than half the world’s electrical energy is expected to come from renewable sources.
EPE 2003 - Toulouse ISBN : 90-75815-07-7 P.1

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