Spanish wind turbine maker MADE plans to officially switch on two prototype machines this month. A 1.3 MW unit, the AE-61, has a rotor diameter of 61 metres, a two-speed asynchronous generator and power control by stall and tip brakes. An 800 kW unit, the AE-52, has a 52 metre rotor diameter and takes a new direction from MADE's previous stall controlled technology -- three independent hydraulic pitch systems, an air cooled synchronous generator and a full range GTO frequency converter.
The company, part of the former state owned utility, Endesa, has built the machines in its test fields at the Sierra del Cabrito, the mountains between Tarifa and Algeciras.
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