Sewage treatment water residual pressure power generation system and control method

The invention discloses a sewage treatment water residual pressure power generation system which comprises a sewage treatment water residual pressure power generation device and a control unit which are connected through a signal line. The invention further discloses a control method of the sewage treatment water residual pressure power generation system. The control method comprises a water turbine control method and a motor side converter control method. According to the sewage treatment water residual pressure power generation system and the control method, the problems of unstable power generation power and voltage in the prior art are solved. 本发明公开了污水处理水余压发电系统，包括通过信号线连接的污水处理水余压发电装置和控制单元。本发明还公开了污水处理水余压发电系统的控制方法，包括水轮机控制方法和电机机侧变流器控制方法。本发明污水处理水余压发电系统及控制方法，解决了现有技术中存在的发电功率、电压不稳的问题。