RPM-AC-Motor
Characteristics
- Developed by Baldor (largest motor manufacturer in the United States)
- Motor with rotor with permanent magnets (RPM)
- Designed specifically for cooling towers and dry coolers
- Direct drive of axial fans: replaces traditional belt or mechanical drives
- Laminated frame
- Exceeds efficiency class IE3, especially at low speeds
- Also available in ATEX category II 3 zone 2 version
Advantages
- Energy saving - high efficiency (even at low speeds)
- Retrofit can be accomplished in less than 6 hours: the motor is designed to drop directly into existing gearbox mounting patterns
- Longer life expectancy thanks to limited temperature increase in the motor
- Maintenance limited to annual greasing of bearings
- No reductor required
- More compact than traditional induction motors