Product Overview The HL220-LJ-134 3.2MW Francis hydro turbine generator unit is a complete vertical-shaft mixed-flow generating set developed for small and medium-head hydropower stations. It integrates a stainless-steel Francis runner, a synchronous generator, a microcomputer speed governor, an excitation system and a protection and control system into one reliable package. Every unit is custom-engineered and manufactured in China according to the actual head, flow, grid and