“九五”国家推广节能新技术●机械部信息中心１、电动机调速技术电动机调速技术，是电动机节电、改善工艺、提高产品质量和产量、遏制环境恶化的一个重要手段．电机调速的目的，一是随负荷变化需要自动调节输出（如风机、泵类流量、压力等）以节省能源；二是改善自动控制... Ninth Five-Year "national promotion of new energy-saving technologies ● Ministry of Machinery Information Center 1, motor speed control Motor speed control technology is the motor energy saving, improve technology, improve product quality and output, to curb environmental degradation is an important means. Motor speed control purposes, first, with the load changes need to automatically adjust the output (such as fans, pump flow, pressure, etc.) to save energy; second is to improve the automatic control ...