EC Motors

EC motors use permanent-magnet rotors with electronic commutation, holding high efficiency across a wide speed range while reporting speed and fault status. Read about EC vs AC induction vs BLDC distinctions, IE5 efficiency class relevance and how integrated drives change fan control design.

External rotor motor with the impeller mounted directly on the rotor
By longwell / August 21, 2026 / Fan Engineering Guides

External Rotor vs Internal Rotor Motor Fans

In an external rotor motor the outside spins and the impeller mounts s...

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what is bldc motor
By longwell / July 29, 2026 / Technical Articles

What is BLDC (Brushless DC) Motor?

Various types of motors are used in commercial or industrial fans, eac...

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LONGWELL EC motors
By longwell / July 18, 2026 / Technical Articles

EC Motor Efficiency Explained for HVAC Systems

Electric motors served as the driving components of HVAC systems. Thei...

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10 common ec fan specification mistakes
By longwell / July 1, 2026 / Technical Articles

EC Fan Specifications: 10 Common Mistakes to Avoid

Selecting the wrong EC fan can cost your countdown and excess noise. E...

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-strong-1--New-Challenges-in-the-Indust
By longwell / April 14, 2026 / Technical Articles

New Challenges in the Industrial Ventilation Market

The Future of EC Motor Technology in EC Axial Fans Industry Insight | ...

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---text---Rethinking-Ventilation-Why-En
By longwell / April 6, 2026 / Technical Articles

Rethinking Ventilation Why Engineers Are Choosing EC Duct Fans

Rethinking Ventilation: Why Engineers Are Choosing EC Duct Fans LONGWE...

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Cross-Flow-Fan--Complete-Engineering-Gu
By longwell / March 12, 2026 / Technical Articles

Cross Flow Fan: Complete Engineering Guide, EC Motor Technology, and Selection Tips (2026)

Cross Flow Fan: Complete Engineering Guide, EC Motor Technology, and S...

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By longwell / January 19, 2026 / Technical Articles

LONGWELL EC Technology White Paper

Smart Power Solutions for Next-Generation HVACR Systems A global wind ...

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-strong-What-You-Need-to-Know-About-EC-
By longwell / January 7, 2026 / Technical Articles

What You Need to Know About EC Fan Technology

What You Need to Know About EC Fan Technology You want fresh air in yo...

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Saying-Goodbye-to-High-Energy-Consumpti
By longwell / November 6, 2025 / Technical Articles

Saying Goodbye to High Energy Consumption: LONGWELL EC Energy-Saving Fans Help Data Centers Achieve 20-30% PUE Optimization?

👋 Saying Goodbye to High Energy Consumption: LONGWELL EC Energy-Saving...

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