General Electric - Model 4.1 – 113 - Wind Turbine
From General Electric - Wind Turbine
GE’s 4.1-113 combines a proven design with GE’s unparalleled reliable technology to deliver the only built for purpose offshore wind turbine. The 4.1-113 is designed specifically for the offshore environment, with reliability and availability as the primary drivers. This machine includes direct-drive technology, built-in redundancy in the generator and converter, and in-situ repair capabilities, providing unique value to offshore wind farm operators.
Features & Benefits
Features & Benefits
- High reliability and annual energy production with direct-drive design (fewer moving parts): Eliminates downtime due to gearbox faults, maintenance, and exchanges
- Technology Leader: Industry’s most mature offshore direct-drive technology. In operation since 2005 in harsh near shore conditions
- Low operating expense: Once a year maintenance cycle maximizes in-situ repair reducing need for large repair vessels
- Technology based on the experience of 17,000+ onshore units operating globally and 350+ reliability engineers
Design
With its spacious nacelle and internal hub access, the 4.1-113 offers both maintenance and safety advantages. Additionally, GE’s offshore wind turbine technology offers redundant operation, automatic lubrication and in–situ repairs wherever possible, maximizing unit availability and reducing operating costs.
Specifications
Rated Capacity: 4.1 MW
Cut-In Wind Speed: 3,5 m/s
Cut-Out Wind Speed: 25 m/s
Rated Wind Speed: 14 m/s
Wind Class – IEC: 1b
Rotor Diameter: 113 m
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