Frequency generator governor less pure condensing steam turbine driven feed pump system and method

The present invention discloses a pure condensing Turbine one kind of frequency generator to pump speed drive system includes a small pure condensing steam turbine, a pump set, and the frequency generator speed gearbox, wherein the pure condensate small turbine, a pump set, and the frequency generator is connected coaxially speed gearbox; speed gearbox arranged between the small pure condensing steam turbine and generator frequency, the governor driven by the gearbox speed said frequency generator rotor; by controlling the output frequency of the generator, thereby controlling the rotational speed of the small pure condensing steam turbine, thereby to control the rotational speed of the water pump. The system of the present invention greatly reduces the loss of the small inlet steam turbine throttle, improve operating efficiency, and full power capability of the small steam turbine, increased operational benefits. The present invention also discloses a steam generator and a method for adjusting the pump speed.