2 Answers
They have what's called a Yaw drive built into them.
Yaw drive:
Upwind turbines face into the wind; the yaw drive is used to keep the rotor facing into the wind as the wind direction changes. Downwind turbines don't require a yaw drive, the wind blows the rotor downwind.
http://www1.eere.energy.gov/windandhydro/wind_how.html#inside
Yaw drive:
Upwind turbines face into the wind; the yaw drive is used to keep the rotor facing into the wind as the wind direction changes. Downwind turbines don't require a yaw drive, the wind blows the rotor downwind.
http://www1.eere.energy.gov/windandhydro/wind_how.html#inside
11 years ago. Rating: 0 | |