YVF3-355~450系列变频调速三相异步电动机
VF3 系列电动机采用高强度铸铁结构，具有可靠性高、调速范围宽、精度高等特点，装有独立的冷却风机，保证电机在不同转速下均有良好的冷却效果。
结构特点 Structural characteristics
YVF3低压大功率三相异步电机采用高强度铸铁结构，具有可靠性高、调速范围宽、精度高等特点，装有独立的冷却风机，保证电机在不同转速下均有良好的冷却效果。
The Y2VF series motors with high strengh cast iron structure, have the characteristics of high reliability, wide speed range, high precision. The Y2VP series motors have independent cooling fan to ensure good cooling effect under different speed.
| 概述 | Summary |
| 机座号：H355~H450 | Frame Size: H355~H450 |
| 额定功率：250~900kW | Rated Power: 250~900kW |
| 极数：4~8极 | Poles: 4p,6p,8p |
| 防护等级：IP54 | Protection Degree: IP54 |
| 绝缘等级：F | Insulation Class: F |
| 额定电压：380V、660V | Rated Voltage: 380V、660V |
变频范围：恒转矩：25~50Hz 恒功率：4p：50~75Hz 6~8p：50~100Hz | Frequency range: constant torque: 25~50Hz constant power: 4p: 50~75Hz 6~8p: 50~100Hz |
| 外形及安装尺寸同Y3低压大功率电机 | Mounting dimensions are same as Y3 big power series |
| 因独立风机电机的长度增加ΔL | Motor length increase by ΔL because of cool fan |