In this paper, the principle of the integrated generation for offshore
wind power and ocean wave energy is proposed, which are converted
both through hydraulic energy. Based on the principle, the integrated
unit consisting of one WTG and three WECs is invented. The wind
wheel with retractable blades can obtain optimum wind power
coefficient through adjusting the diameter and velocity of the wheel.
The 3-DOF mechanism with the hemispherical oscillating body can
collect the wave power efficiently. The mechanical energy collected
from the wind power and the wave energy can be converted by the
same ECDs into hydraulic energy which drives the hydraulic motors
and electrical generators to produce electricity. The performance of the
WEC is obtained and the efficiency of the ECD is tested. The array of
the unit is determined. The power output of the unit is calculated to be
16.7 MW. Based on the layout method, the single row wind-wave
power plant is established. The rated power of the plant is up to be
100 MW.