
The new report, "Wind Turbine Gearbox and Direct Drive Systems - Global Market Size, Company Share, Gearbox Refurbishments and Key Country Analysis to 2020", discusses the advantages and problems associated with advanced technology in the wind power industry. A gearbox allows the generator’s internal shaft to spin 50–250 times for each rotation of the turbine blades, and provides advantages including low noise levels and high efficiency. However, drawbacks include a high level of maintenance and low reliability.
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