At present, the widespread use of solar energy. Since Thailand is located in or near the equator in the heat. The solar energy is about 5.05 kWh / m2 of solar power is to be utilized in various fields. This research is to compare the fit between systems, solar water heating and solar collector pattern Flat 2 m2 the pump size 100 W, the efficiency of collecting solar radiation in the range of 80 to 82.5%, the value = 0.88 and. = 8.84 electrification 235.6 kWh / year and generation systems, solar water heating with heat pump size 3 kW with a coefficient of performance (COP) is in the range of 2 - 4 Power Consumption: 7,608 kWh / year to compare the suitability for. slaughterhouse using a 30 kW electric heaters produce hot water at a temperature of 62 ° C in the air and spinning wool boiled pig modular. 2,400 liter volume of water which has cost each month about 12,000 - 18,000 baht by the information that would be the appropriate choice of hot water technology that can reduce energy demand and reduce the power of the original. Solar Water Heating System Annual expense charge 1,268 baht more suitable for slaughter. Hot water heat pump system with a power of around 38,040 baht bills.
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