A Revolutionary Spin: The DC Motor

In the backdrop of many American lives is an awareness of global warming, rising gas prices and a national recession. All these factors push us towards achieving a more energy-efficient future.  While numerous companies are developing clean energy solutions, the average energy consumer can start immediately in one’s own home.  Beyond adapting simple energy-saving habits like turning the lights off in unoccupied rooms or keeping the thermostat at eighty degrees, the consumer can save energy and money by installing new technologies in their home environments.

For the last couple of years, Monte Carlo Ceiling Fan Company has been developing the Direct Current (DC) motor for ceiling fans. The DC motor for ceiling fans is a new innovative design that is considered to be revolutionary. Today, the standard is an Alternating Current (AC) motor that uses a steel aluminum rotor and copper windings which depend on an electrical current to start and continually feed its electromagnetic rotation. The DC difference arises from the use of industrial strength magnets to create a magnetic field that performs most of the work after the initial electrical charge.  DC fans are also engineered with integral electronic drivers that (a) convert AC to DC. (b) controls the fan’s speed by reducing input voltage and (c) coordinates and aligns the magnets with the coils.

What does this mean to the average person who has ceiling fans in their home?  

Well, the DC motor exceeds Energy Star standards by 300%. In independent tests comparing fans with the DC motor against those with the AC motor, the former saved consumers an annual average of $45.  The test conditions were limited to fans of a similar-size spinning 10 hours a day at an energy rate of $0.15 per kWh.

These models are homely and old-fashioned.  But they weren’t developed to out-style the AC motor fans.  DC motor fans were developed for performance efficiency. They are best suited for placement in high use areas like the bedroom and living room.

 
About the Author: Akemi Hong is a writer and graphic designer. You"ll find Akemi occupied indoors as a marketing and design associate for 1STOPlighting.   

 

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November 21. 2009 06:49