一、概述微型水轮发电机组,是由微型水轮机和发电机整装而成。由于微型水轮机转轮直径一般设计为5～20厘米,发电机容量为0.4～3千伏安,所以它的结构简单,一般无调速机构。微型水轮发电机作为独立电源供电时,外接负载变化,将导致水轮机转速变化,通常微型水轮机的飞逸转速高达2倍以上。在这样超速运行 First, an overview Micro-hydro generator, is a micro-turbine and generator from the assembly. As the diameter of the rotor of a mini turbine is generally designed to be 5 to 20 cm and the generator capacity is 0.4 to 3 kVA, its structure is simple and generally has no speed regulation mechanism. When a micro-hydro generator is supplied as an independent power supply, the external load changes will result in changes in the turbine speed, typically up to two times the run-up speed of the micro-turbine. Speeding in such speed