Industry
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Permanent Magnet Synchronous Motor Used in Petroleum & Chemical Industry
Case Study
| Permanent Magnet Synchronous Motor (PMSM) Replacement for Beam Pumping Unit in Tuha Oilfield, Xinjiang |  |
| Location | Tuha Oilfield, Xinjiang, China |
| Application | Beam Pumping Unit |
| Motor Type | 380V 15kW 8-Pole Self-Starting Permanent Magnet Synchronous Motor (PMSM) |
Project Overview
Tuha Oilfield replaced traditional induction motors with 380V 15kW 8-pole self-starting PMSM on beam pumping units, achieving higher efficiency, reduced energy consumption, and improved reliability in oil extraction operations.
Key Specifications
| Motor Type | Permanent Magnet Synchronous Motor (PMSM) |
| Power | 15kW |
| Voltage | 380V |
| Poles | 8 |
| Starting Method | Self-starting (no external drive required) |
| Efficiency Class | IE4 (Super Premium Efficiency) |
| Protection Level | IP55 (dust & water-resistant) |
Why Replace Induction Motors with PMSM?
• 10-30% Energy Savings – Higher efficiency (>94%) across all load ranges vs. induction motors (85-90%).
• Self-Starting Capability – Eliminates the need for a frequency converter or soft starter, reducing system complexity.
• High Torque at Low Speed – Ideal for beam pumping units, ensuring smooth operation even under heavy loads.
• Reduced Maintenance – No brushes, slip rings, or gear wear → 50% lower maintenance costs.
• Power Factor >0.95 – Minimizes reactive power losses, reducing electricity bills.
Measured Performance Benefits
• Energy Savings: 10-30% reduction in power consumption
• ROI Period: <2 years due to lower electricity costs.
• Uptime Improvement: 99% reliability (vs. 92% with induction motors).
• Reduced Voltage Fluctuations: Stable operation in weak grid conditions.
Technical Highlights
• Built-in Encoder – Ensures precise speed control for optimal pumping cycles.
• Wide Voltage Tolerance – Operates stably at 340V–420V (suitable for remote oilfields).
• High Overload Capacity – 2.3rated torque for startup and load fluctuations.
• IoT Compatibility – Optional remote monitoring for predictive maintenance.
Onsite video
Related Industries
Tel: +86-400-686-9980
Address: No. 108, Changtang Road, Wujin District, Changzhou, Jiangsu, China