Industry
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Permanent Magnet Direct Drive (PMDD) Motor Used in Biofermentation & Pharmaceutical Industry
Case Study
160kW 380V Permanent Magnet Direct-Drive Motor in Biopharmaceutical Mixing
| Location | China National Medicines Vitom (Group) Co., Ltd. |
| Application | Low-Speed Mixer for Biopharmaceutical Production |
| Motor Type | Permanent Magnet Synchronous Direct-Drive Motor (PMSM) |
Project Overview
| China National Medicines Vitom upgraded its traditional gear-driven mixer with a 160kW 380V low-speed permanent magnet direct-drive motor, achieving superior mixing homogeneity, energy savings, and sterile compliance in critical biopharmaceutical processes. |  |
Key Specifications
| Motor Power | 160kW |
| Voltage | 380V |
| Speed Range | 15–160 RPM (precisely adjustable for viscosity changes) |
| Efficiency Class | IE5 (Ultra-Premium) |
| Protection Level | IP66 (dust-tight & resistant to high-pressure cleaning) |
Why Permanent Magnet Direct-Drive?
✅ Energy Savings: 25–35% lower power consumption vs. gear-driven systems by eliminating transmission losses.
✅ Contamination-Free: No lubricants or gearbox particles, no oil leaking issues.
✅ Precision Control: speed stability ensures uniform cell culture/suspension mixing.
✅ Silent Operation: <65 dB noise level, reducing workplace disruption.
Measured Performance Benefits
• Energy Reduction: 20% lower kWh consumption.
• Maintenance Savings: Zero gearbox maintenance cuts downtime by
• Product Quality: Mixing CV (coefficient of variation) improved from 8% to <2%.
• ROI Period: 18 months via energy and maintenance savings.
Technical Highlights
• Torque Density: 2x higher than induction motors, enabling compact mixer integration.
• Smart Monitoring: Embedded IoT sensors for real-time torque, temperature, and vibration alerts.
Onsite video
Related Industries
Tel: +86-400-686-9980
Address: No. 108, Changtang Road, Wujin District, Changzhou, Jiangsu, China