论文关键词:软启动及节能器调压节能用电效率功率因数最小能耗寻优调压控制论文摘要:文章从理论上研究了异步电动机轻载相控调压节能的原理,给出了轻载时影响用电效率的三个关键因素:电压、转差和功率因数,提出了节电的条件。从节能运行的角度出发,在理论上建立了按最小能耗寻优目标功率因数思路以及按负载率确定最佳调整电压U1j的公式。并以此提出了自动最小能耗最优调压控制的概念和技术实现方法。Abstract: Article studied asynchronous motor Phased light load regulator of the principle of energy saving voltage regulator from the theory, impact of power efficiency of three key factors when the light load: Voltage, slip and power factor, proposed power-saving conditions. Running from the ene