This report analyzes energy usage and associated utility capacity requirements for compressor based air-conditioning compared to evaporative cooling supplied by electricity from photovoltaics (PV). Two novel scenarios are presented, two stage evaporative coolers with grid tied PV, and two stage evaporated coolers supplied with direct current (DC) electricity from PV. The two scenarios are complimentary; where a grid tied system can tap DC for air-conditioning purposes (see Figure 1). 8% PV system gains can be achieved by eliminating the inverter for powering such a DC heating, ventilating and air-conditioning (HVAC) system. A PV system directly coupled to high efficiency evaporative cooler can remove the air-conditioner peak demand from a utilities load profile. Typical cities energy comparisons are presented. Incentive and public goods programs are not necessarily designed for this optimized, direct utilization of DC approach.
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ASME 2006 International Solar Energy Conference
July 8–13, 2006
Denver, Colorado, USA
Conference Sponsors:
- Solar Energy Division
ISBN:
0-7918-4745-4
PROCEEDINGS PAPER
PV Operated HVAC for Southwest States
Joseph McCabe
Joseph McCabe
Energy Ideas, LLC, Winters, CA
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Joseph McCabe
Energy Ideas, LLC, Winters, CA
Paper No:
ISEC2006-99137, pp. 167-170; 4 pages
Published Online:
October 2, 2008
Citation
McCabe, J. "PV Operated HVAC for Southwest States." Proceedings of the ASME 2006 International Solar Energy Conference. Solar Energy. Denver, Colorado, USA. July 8–13, 2006. pp. 167-170. ASME. https://doi.org/10.1115/ISEC2006-99137
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