The wind turbine is manufactured by the German company Südwind Energy AG. This manufacturer has been operating since 1988. Since 1999, Südwind Energy AG has ceased operations.
The rated power of the Südwind S-77 is 1.50 MW. At a wind speed of 3.0 m / s, the wind turbine starts to work. wind speed in the compartment is 25.0 m / s.
The rotor diameter of the Südwind S-77 is 77.0 m. The rotor area is 4.657 m². The wind turbine is equipped with 3 rotor blades. Maximum rotor speed 17.3 rpm.
The Südwind S-77 is equipped with a spur / planetary gearbox. The transmission has 3 stages. The transmission manufacturer is Flender / Eickhoff / Moventas. The generator is set by Südwind Energy AG in Double Fed Asyn mode. The manufacturer used one generator for the C-77. The maximum generator speed is 1,800 rpm. The voltage is 690 V. At the mains frequency S-77 50 Hz.
The manufacturer uses a steel tube / lattice in the tower construction. Südwind pays special attention to the coating as a corrosion protection for the tower. Tower manufacturer Klotz / KGW / Seeba.