System for extracting energy from watercourse flow has suction tube with first end below water level, second end connected to pump, central energy generating unit in central part of suction tube, water turbine(s) that drives generator

摘要

The system has at least one flow machine driven by the water flow, at least one pump (3) at least indirectly driven by the flow machine, a suction tube (4) with a first end below the water level (7) and its second end connected to the pump and a central energy generating unit in the central part of the suction tube with at least one water turbine that drives an electrical generator.