| Summary: | 碩士 === 國立中正大學 === 電機工程研究所 === 103 === Ideal distribution system are generally designed to deploy the load with three-phase balance . However, some reason lead to distribution system in reality, such as the natural terrain, the distribution of users , single-phase load and Asymmetrical transformer incorporate in distribution system etc. All are bring about damage equipment, losses and overcurrent relays malfunction on distribution system. This thesis using OpenDSS(Distribution System Simulator ) simulates Penghu and GreenIsland feeder in Taiwan. In response to renewable energy system rapidly growth, analysis the photo-voltaic incorporate in distribution system has an influence on voltage unbalance and voltage deviation, and improve distribution system unbalance, with Photovoltaic in feeder for improve three phase unbalance. We use CSS(Charged System Search) to find the Maximum Photovoltaic Integrating Amount in distribution system, and improve overvoltage with Smart Inverter thus increase the Photovoltaic Penetration.
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