The invention discloses a vertical-axis wave-activated generator. The vertical-axis wave-activated generator comprises vanes, a rotating shaft, a strut, an above-water platform exposed out of the
sea level, a generator body, a vane
height increasing device, a control device and a base, wherein the generator body, the vane
height increasing device and the control device are arranged on the above-water platform. The vanes are fixed to the rotating shaft in the circumferential direction, the upper end of the strut is embedded in and sleeved with the rotating shaft through a bearing, the lower end of the strut is fixedly connected with the base, the above-water platform is fixed to the upper end of the strut, the generator body and the output end of the rotating shaft are in drive connection, the vane
height increasing device is arranged at the upper end of the rotating shaft and used for adjusting the draught of the vanes, and the control device is connected with a generator circuit and used for controlling continuous and stable output of
electric energy. The arrangement of the vertical-axis wave-activated generator on the sea is independent of the direction of incident
waves, the vanes drive the rotating shaft to rotate so as to directly drive the generator body to generate
electricity, the complexity of middle link
energy transfer,
energy storage and
voltage stabilization of an ordinary wave-activated generator is omitted, the conversion efficiency and the
electricity generating quality of wave energy are improved, and the vertical-axis wave-activated generator is convenient to maintain and low in manufacturing cost.