S64 Mark II & S66 Mark II - 1.25 MW Technical overview www.suzlon.com

Technical overview The S64/66 Mark II -1.25 MW has a well-suited ratio between rotor diameter and generator for most sites in a medium wind speed regime. The wind turbine concept is based on robust design with pitch-regulated blade operation, a three-stage gearbox with 1390 kW rating and a safe peak load damping with a fluid coupling to the asynchronous induction generator. The turbine operation is efficiently controlled by the Suzlon controller. These technologies are all well-known in the wind power industry and have proven themselves. With more than 1000 units of the 1.25 MW turbines installed...

SUZLON END TO END SOLUTIONS SINCE 1995 The End-to-end solution pattern is built on Suzlon's expertise in technology, processes and thorough understanding of the Indian wind energy market. It is a unique combination of proven technology and a bundle of value added services. This successful and proven business model includes everything - from arranging land; to equipment supply & EPC; to nodal agency clearances; to life-cycle operations & maintenance of project. There is no need for customer to engage manpower or time on the wind power project. Suzlon brought about a paradigm shift in India's wind...

OPERATING DATA Rated power Cut-in wind speed Rated wind speed Cut-off wind speed Survival wind speed 3 Blades, Upwind / Horizontal axis Rotational speed at rated power Rotor blade material Epoxy bonded fiber glass Swept area Power regulation Active pitch regulated One planetary stage & Two helical stages Nominal load Forced oil cooling lubrication system Dual speed induction generator (asynchronous) Speed at rated power Rated power Rated voltage Cooling system Tubular tower (corrision proof painting on inner and outer surface) Tower height Hub height (including foundation) BRAKING SYSTEM Aerodynamic...

OPERATING DATA Rated power Cut-in wind speed Rated wind speed Cut-off wind speed Survival wind speed 3 Blades, Upwind / Horizontal axis Rotational speed at rated power Rotor blade material Epoxy bonded fiber glass Swept area Power regulation Active pitch regulated One planetary stage & Two helical stages Nominal load Forced oil cooling lubrication system Dual speed induction generator (asynchronous) Speed at rated power Rated power Rated voltage Cooling system Tubular Tower (corrision proof painting on inner and outer surface) Tower height Hub height (including foundation) BRAKING SYSTEM Aerodynamic...

Suzlon sales offices: Suzlon Energy Australia Pty Ltd. Level 42,80 Collins Street Email: [email protected] Suzlon Energia Eolica do Brazil Rua Senador Virgflio Tavora, 195. Ceara, Brazil Email: [email protected] Suzlon Energy Latin America Edificio Torre del Parque Arauco II Av. Cerro Colarado 5240, Piso 10 Santiago, Chile Suzlon Energy (Tianjin) Ltd. Beijing Branch 17/F, Building A&B, Office Park Chaoyang District, Email: [email protected] Suzlon Wind Energy A/S Email: [email protected] A Wing, G Block, Bandra Kurla Email: [email protected] Email: [email protected]...