Gravity suction circulation hydroelectric generation system

The invention relates to the technical field of electric power, in particular to a gravity suction circulation hydroelectric generation system which comprises a water inlet main pipe, a water return main pipe and a water-turbine generator set, the water inlet main pipe is connected with a water inlet of the water-turbine generator set through a water inlet branch pipe, and a water outlet of the water-turbine generator set is connected with the water return main pipe through a water return branch pipe. The water return main pipe is connected with a top water inlet of the water storage tank through a water tank water inlet pipe, and a bottom water outlet of the water storage tank is connected with the water inlet main pipe through a water tank water outlet pipe. 本发明涉及电力技术领域，具体涉及一种重力吸力循环水力发电系统，包括进水母管、回水母管、水轮发电机组，所述进水母管通过进水支管与水轮发电机组进水口连接，所述水轮发电机组出水口通过回水支管与回水母管连接，所述回水母管通过水罐进水管与储水罐顶部进水口连接，所述储水罐底部出水口通过水罐出水管与进水母管连接。