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Hyunkyung Shin
Department of Financial Mathematics, Gachon University, Seongnam 13120, Korea

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Communication
Published: 18 March 2019 in Applied Sciences
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An optimal design model for residential photovoltaic (PV) systems in South Korea was proposed. In the optimization formulation, the objective function is composed of three costs, including the monthly electricity bill, the PV system construction cost (including the government’s subsidy), and the PV system maintenance cost. Here, because the monthly electricity bill is not differentiable (it is a stepped piecewise linear function), it cannot be solved by using traditional gradient-based approaches. For details considering the residential electric consumption in a typical Korean household, consumption was broken down into four types (year-round electric appliances, seasonal electric appliances, lighting appliances, and stand-by power). For details considering the degree of PV generation, a monthly generation dataset with different PV tilt angles was analyzed. The optimal design model was able to obtain a global design solution (PV tilt angle and PV size) without being trapped in local optima. We hope that this kind of practical approach will be more frequently applied to real-world designs in residential PV systems in South Korea and other countries.

ACS Style

Hyunkyung Shin; Zong Woo Geem. Optimal Design of a Residential Photovoltaic Renewable System in South Korea. Applied Sciences 2019, 9, 1138 .

AMA Style

Hyunkyung Shin, Zong Woo Geem. Optimal Design of a Residential Photovoltaic Renewable System in South Korea. Applied Sciences. 2019; 9 (6):1138.

Chicago/Turabian Style

Hyunkyung Shin; Zong Woo Geem. 2019. "Optimal Design of a Residential Photovoltaic Renewable System in South Korea." Applied Sciences 9, no. 6: 1138.