Recently we have been focusing on the laws relating to renewable energy and sustainable development in Thailand. For the next few weeks we will continue this investigation by looking at wind power.
Wind power is one of the big five renewable energy solutions that exist today, the others being solar, water (hydro), biomass and geothermal. Global wind resource assessments have demonstrated that the world’s technical potential for wind energy exceeds current global electricity production. To understand how wind power has developed in the past two decades it is important for us to first understand what wind is and how electricity is generated from monolithic windmills. Wind has been defined by the Oxford dictionary as “the perceptible natural movement of air, especially in the form of a current of air blowing from a particular direction”. There are several different units which can be used to indicate wind speed, the most common being knots, which is a unit of speed equal to one nautical mile (1.8km) per hour. Harnessing the power of the wind has been done by mankind ever since the first human hoisted a sail. Today, a host of different wind powered generators operate across the globe in sizes varying from those for personal domestic use to near-gigawatt sized offshore wind farms.
So how are we able to harness this invisible “current of air” to generate electricity?
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