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The document discusses improving the energy efficiency of ceiling fans for mass markets. It summarizes using a brushless DC motor, which saves over 50% energy but causes harmonic problems solved by a power factor correction circuit. A low voltage BLDC motor is 50% cheaper than high voltage and safer. Experimentally designed aluminum blades of uniform thickness provide 12-16% more efficiency compared to conventional blades at the same cost. Together, the BLDC motor and efficient blades double efficiency whil

Author

fredys

Language

EN