Wind Turbines

Overview

Wind turbines are manufactured __ a wide range of ________ and horizontal axis. The ________ turbines are used for ____________ such as battery charging ___ auxiliary power for boats __ caravans or to power _______ warning signs. Larger turbines ___ be used for making _____________ to a domestic power ______ while selling unused power ____ to the utility supplier ___ the electrical grid. Arrays __ large turbines, known as ____ farms, are becoming an ____________ important source of intermittent _________ energy and are used __ many countries as part __ a strategy to reduce _____ reliance on fossil fuels.

One assessment claimed that, __ of 2009, wind had ___ "lowest relative greenhouse gas _________, the least water consumption _______ and... the most favourable ______ impacts" compared to photovoltaic, _____, geothermal, coal and gas.

How It Works?!

It has been argued ____ expanding use of wind _____ will lead to increasing ____________ competition over critical materials ___ wind turbines such as ____ earth elements neodymium, praseodymium, ___ dysprosium. But this perspective ___ been criticised for failing __ recognise that most wind ________.

Why Us!

Despite these diverse developments, ____________ in fossil fuel systems ______ entirely eliminated any wind _______ systems larger than supermicro ____. In the early 1970s, _______, anti-nuclear protests in Denmark _______ artisan mechanics to develop _____________ of 22 kW.