Permanent Magnet Synchronous PMSM 3 Phase AC Motors

This series of three‑phase permanent magnet synchronous motors (PMSM) is engineered for industrial drive applications where efficiency, torque density and operational reliability are prioritized. Built with a fully enclosed housing and self‑cooling structure, these motors comply with international standards (IEC) and incorporate robust electrical and mechanical design features.

PMSMs differ from traditional inductive motors by replacing the rotor winding with high‑performance permanent magnets, improving efficiency and reducing electrical losses during operation. Their design aligns with modern variable frequency drives (VFD), enabling precise speed control across a wide range.

• Product Type: Three‑Phase Permanent Magnet Synchronous Motor (PMSM)
• Rated Output Power: 30 kW (typical model)
• Rated Voltage: 380 V or customized
• Rated Current: ~49 A
• Efficiency: > 92% (meets IEC IE3 or higher)
• Poles: 6
• Power Factor: ~0.98 cos
• Frequency: 50 Hz
• Rated Speed: 1000 r/min
• Protection: IP54 enclosure
• Insulation Class: F
• Cooling Mode: IC411 self‑cooling
• Certification: CCC, CE, ISO9001 (available)

These key performance figures are indicative of balanced design - combining efficiency, thermal stability and continuous duty capability.

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High Efficiency & Power Factor

PMSM designs leverage permanent magnets to eliminate rotor excitation losses and reduce stator copper loss. The resulting efficiency often surpasses IE3 standards, lowering operational energy consumption and cost.

Strong Starting Torque

The rotor's magnetic field produces robust starting torque without external excitation. Compared with similarly sized induction motors, PMSMs often deliver higher torque at lower speeds, aiding applications requiring rapid acceleration or load changes.

Wide Speed Control Range

Integrating with VFD systems, these motors maintain stable operation as motor speed varies with electrical frequency. The proportional relationship between speed and frequency supports control across a broad range - often required in production lines or variable load scenarios.

Compact Size & Reliability

Permanent magnet designs allow for higher power density in smaller footprints. With fewer rotating losses and simplified rotor structure, these motors run with lower vibration, reduced noise, and extended maintenance intervals.

• Precision conveyors and material handling systems
• Pumping and compressing units in petrochemical and water treatment
• Textile, printing and packaging machinery
• Fan and blower drives in HVAC systems
• Automated production lines and robotics

Their ability to integrate with advanced control systems makes PMSMs suitable for applications demanding both performance and reliability.

We support bulk orders and OEM customization, including:

• Rated voltage and frequency tailored to your power grid
• Shaft modifications and mounting flange options
• Special insulation or cooling options for harsh environments
• Factory testing with performance curves and certification

Providing load profiles, duty cycles and environment details during inquiry helps us recommend the optimal model and configuration.

• Ensure proper alignment with VFD parameters for smooth torque response.
• Confirm protection class and cooling mode matches ambient conditions.
• Balance motor load and control strategy to minimize torque ripple and thermal stress.

-Other Models Technical Datasheet:

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