2025

Design Awards Silver Winner - Guangdong Welling Motor Manufacturing Co., Ltd.

High-Efficiency and Compact Ferrite Motor

Entrant

Guangdong Welling Motor Manufacturing Co., Ltd.

Category

Industrial Equipment, Machinery & Automation - Motor

Client's Name

Country / Region:

China

Driven by carbon neutrality goals, the home appliance and HVAC industries are transitioning towards greater efficiency and sustainability. Our project introduces the "High-Efficiency, Compact Ferrite Motor," specifically optimized for air conditioning fan systems. It overcomes traditional DC motor limitations in cost, efficiency, and noise reduction, providing a superior energy-efficient and quieter solution.

This motor integrates high-performance ferrite materials with innovative motor design, sensorless control technology, and biomimetic noise-reduction fan technology, significantly enhancing system efficiency and promoting green energy solutions.

Key Technological Innovations:
High-Efficiency Motor Topology Design: Utilizing oriented silicon steel with a separated stator yoke structure, improving magnetic flux utilization and increasing motor efficiency from 86.3% to 92.6%.
Sensorless Control Technology: Implementing variable-axis high-frequency current injection algorithms, ensuring stable and efficient operation without additional power losses.
Biomimetic Noise-Reduction Fan Technology: Inspired by owl wing structures, optimized fan blade design and orthogonal dynamic-static noise suppression reduce fan noise by 3dB(A), delivering a quieter airflow experience.
Compared to previous generations and competing products, this motor achieves:

92.6% efficiency, exceeding the industry average by 6.3%-12.4%.
3dB(A) noise reduction, significantly improving user comfort.
Advanced magnetic circuit design, ensuring superior performance while reducing material costs.
This product has been successfully implemented in air conditioning fan systems, with annual sales exceeding 1 million units and generating an additional revenue of 500 million RMB. It is expected to reduce carbon emissions by 10,000 tons per year, supporting the industry's transition towards a more efficient and sustainable future.

By solving the efficiency and miniaturization challenges of ferrite motors, this project sets a new standard for energy-efficient motors, providing a forward-thinking solution for global sustainable development.

Credits

Qu Huan
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