Off-grid distribution system would be a promising option for a marginally viable community. However, technical challenge regarding photovoltaic generation employment in an off-grid distribution system is its uncertain and fluctuating generation output, which would require larger energy buffer and regulation capability. In this paper, it is proposed a probabilistic operation scheduling method for an off-grid considering the uncertainties in photovoltaic generation output and electricity demand. The proposed scheduling method uses both the probabilistic power flow analysis and the optimal power flow technique. Effectiveness of the proposed scheduling method is validated through numerical case studies for the assumed test off-grid model.
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