Vertical-axis wind turbines (VAWTs) have with time been outrivaled by the today more
common and economically feasible horizontal-axis wind turbines (HAWTs). However …

Permanent magnets are today widely used in electrical machines of all sorts. With their
increase in popularity, the amount of research has increased as well. In the wind power …

Low speed permanent magnet (PM) synchronous generators (SGs) are commonly used in
renewable energy. Rare earth (RE) PMs such as neodymium-iron-boron are a popular …

Wind power is an established mean of clean energy production and the modern horizontal
axis wind turbine has become a common sight. The need for maintenance is high and future …