Xenon |
A heavy gas used in specialized electric lamps. |
X-Ray |
A type of electromagnetic radiation having low energy levels. |
Xyloid Coal |
Brown coal or lignite mostly derived from wood. |
Yaw |
Rotation parallel to the ground. Generators Yaw to face the wind as the wind changes direction. |
Yaw Axis |
Vertical axis through the center of the generators gravity. |
Yaw Bearing |
The bearing that sits under the generator to allow the generator to rotate and follow the wind direction. |
Zenith Angle |
The angle between directly overhead and a line through the sun. The elevation angle of the sun above the horizon is 90° minus the zenith angle. |
Zephyr |
A gentle breeze. Also the West Wind in Greek mythology. (“Favonius” in Latin.) |
Zonda |
A warm, dry wind that blows westerly off the Andes of South America and across the plains of Argentina. |