广泛应用于矿山机械、冶金、轧钢、起重、船舶、电传动机车、机床、纺织、印染、造纸、印刷、水泥和化工等工业设备中需要宽广调速的动力系统和自动化控制系统。 The motors are widely used as the power of such instruments as mining machinery, metallurgy, steel rolling, lifting, watercraft, electrical transmission engine. etc, which need adjust the speed in a wide range and the automation system.