330 Index
WindFarmer, 115, 125, 157, 160, World Wind Energy Association,
163, 174, 256–258, 307 1, 7, 174
WindPRO, 92, 100, 114–115, 121,
125, 133–134, 137, 142, 146, Y
150–151, 155–156, 160, 163, Yaw drive, 174, 176,
168, 174, 256–258, 266, 305, 178–179
307