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A study and evaluation of power electronic based adjustable speed motor drives for air conditioners and heat pumps with an example utility case study of the Florida Power and Light Company

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3 Author(s)
Domijan, A. ; Dept. of Electr. Eng., Florida Univ., Gainesville, FL, USA ; Hancock, O. ; Maytrott, C.

The authors present an evaluation, analysis and comparison of several specific power electronic (PE)-based and non-PE based air conditioner and heat pump technologies, and their potential impact for energy savings on the Florida Power and Light Company system. Data and a computer flow chart are provided. Four heat pump models are developed and compared in regard to Florida climates. These models are conventional single-speed, two-speed, variable-speed, and Oak Ridge National Lab variable-speed systems. Some of the results indicate that, generally, the major advantage of PE-based variable-speed variable-capacity heat pumps is due to the higher coefficients of performance and energy efficiency ratios resulting from oversized heat exchangers, and the decrease of cycling losses that result from on/off operation which must occur when capacity exceeds load

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Energy Conversion, IEEE Transactions on  (Volume:7 ,  Issue: 3 )