Delta‘s PWM Technology Endows DC Fans with Low Switching Noise and High Power Efficiency
Delta's DC fans technology continues to provide better performance, higher reliability, and cost-effective thermal cooling solutions. Pulse-Width Modulation (PWM) Technology is one of the primary reasons Delta fans have a clear advantage over other manufacturers. PWM regulates the voltage signal between fully on and fully off. It controls the speed of the fan. The main advantage is that power loss in the switching device is very low. When a switch is off, there is practically no current, and when it is on, there is almost no voltage drop across the switch. Therefore, power loss is close to zero. Delta carries a full lineup of PWM speed control fans with dimensions ranging from 36x36x28mm up to 280x280x80mm.
DELTA'S UNIQUE INTERNAL ADVANCE PWM CONTROLLERS DELIVER A VARIETY OF ADVANTAGES:
Advanced soft switching control (available on certain models)
Flexible speed control
Wide PWM frequency range input (30Hz - 30kHz)
Prevents current spikes
High power efficiency
Low switching noise
Low vibration
Extends the service life of the Motor
Available in Axial and Blower Models
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