Abstract

Air conditioner for cooling air is one of the major needs for those who live in hot climate area such as Indonesia. This work presents the performance test of a grid-tied PV system to power air conditioner under a hot tropical climate in Surabaya, Indonesia. A 800 WP grid-tied photovoltaic (PV) system was used, and its performance was tested to power a 0.5 pk of split air conditioner system. It was found that about 3.5 kWh daily energy was consumed by the tested air conditioner system, and about 80% it could be supplied from the PV system. While the other 20% was supplied by the grid during periods of low solar irradiation, 440 Wh of energy was fed into the grid during operation out of office hours. By using the grid-tied PV system, the energy production by PV system did not need to match the consumption of the air conditioner. However, a larger capacity of PV system would mean that a higher percentage of the load would be covered by PV system.

Highlights

  • Solar energy is one of the most promising renewable energy resources that can be expected to reduce fossil fuels consumption, and in turn to reduce the emission of greenhouse gas in the atmosphere

  • The parameters measured for analysis were: - the DC power from PV modules, - the AC output power from the inverter, - solar radiation, - inside and outside temperatures, - power consumption air conditioner, - The start-up power of the air conditioner

  • The air conditioner system was set on the temperature of 22 °C and ran during 07:30 to 17:30 fitting with typical office hours period and condition of a typical office in Indonesia

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Summary

24-25 August 2017

(Hong Kong University of Science & Technology, PRC) ● Assoc. (Chalmers University of Technology, SWEDEN) ● Assoc. (Sirindhorn International Institute of Technology, THAILAND) ● Asst. (Sirindhorn International Institute of Technology, THAILAND) ● Assoc. (Suranaree University of Technology, THAILAND) ● Assoc. Series: Materials Science and Engineerin1g23247536(72809107) 012010 doi:10.1088/1757-899X/273/1/012010

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