Necessity of Time-Series Simulation for The Investigation of High Penetration of Photovoltaic Systems in Malaysia
Keywords:Loss Ratio, Malaysian Network, Network Losses, PV System, Time Resolution,
AbstractThe distributed energy resources (DER) have been introduced as one of the promising ideas to sustain the future energy demands. However, the energy produced by DER particularly the photovoltaic (PV) system is intermittent and often fluctuates in nature. In this regard, this paper presents the modelling of Malaysian reference network (RN) that aims to analyse the impact of PV integration at the medium voltage (MV) networks. More precisely, the losses ratio is evaluated with different types of time resolution PV generation profiles. The case studies have considered typical urban, semi-urban and rural MV networks in Malaysia. Different actual time resolution solar PV generation profiles were utilised in the case study. By analysing different ranges of time resolution PV generation profiles, it is suggested that 15-minute time resolution PV generation profiles data are sufficient to be used in the network assessment study with approximately 5% error. The use of hourly PV generation data will result in up to 31% loss of accuracy.
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