GE - Model 1.85-87 - Wind Turbine
From General Electric - Wind Turbine
GE’s 1.85-87 wind turbine is designed for Class IIs winds, and offers an 11% increase in swept area and an extra 230 kW output at rated wind speed compared to the 1.6-82.5 turbine. The increase in blade swept area results in a 10% increase in Annual Energy Production (AEP) at 8.5 m/s.
GE’s proprietary Advanced Loads Control allo...
GE’s proprietary Advanced Loads Control allows siting of the 1.85-87 wind turbine in Class IIs wind regimes, combining drive train sensors and capabilities of the Mark* Vie turbine controller to individually pitch blades and improve loads handling performance.
GE’s stringent design procedures result in a turbine engineered for high performance and availability with the same reliable performance as the rest of GE’s 1-2 MW fleet.
About the 1.85-87
Class: IEC TC IIs
- Hub Heights: 80m
- Tip Height: 123.5m
- Noise: 107dBA
- Frequency: 50Hz & 60Hz
- Blades: 42m
- Technology: Model based controls, vortex generators
Features & Benefits
Features & Benefits
Higher AEP than its 1.5 predecessors by incorporating GE’s 1.6-100 gearbox
- Capacity factor leadership in high wind regimes
- Designed to meet or exceed the 1.5 MW platform’s historic high availability
- Grid friendly options are available — Enhanced Reactive Power, Voltage Ride Thru, Power Factor Control
- Wind Farm Control System; WindSCADA™
- Sharing of components with family products
- Available in both 50 Hz and 60 Hz versions for global suitability
Design
GE's 1.85-82.5 wind turbine has a rotor diameter of 82.5 meters. This wind turbine also incorporates Advanced Loads Control which reduces the loads on the blades and other mechanical components to allow increased power production while maintaining a 20-year design life. GE’s 1.85-82.5 uses proven design gearboxes, main shaft, and generators with appropriate improvements to enable the larger rotor diameter in high wind regimes. GE's 1.85-82.5 wind turbine utilizes GE Energy's proven Mark VIe* controller and advanced diagnostic capability to increase troubleshooting efficiency.
Specifications
Designed and certified to IEC 61400-1 — TC II: 8.5 m/s average wind speed; 14% turbulence intensity
- Standard and cold weather extreme options
- Standard tower corrosion protection; C2 internal and C3 external with optional C4 internal and C5 external available
- Rotational direction: Clockwise viewed from an upwind location
- Speed regulation: Electric drive pitch control with battery backup
- Aerodynamic brake: Full feathering of blade pitch
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