Abstract
Analysis of Voltage Unbalance due to Single-Phase Dispersed Generation Systems in Three-Phase Low-Voltage Distribution Feeders
Highlights
In recent years, the greenhouse effect of the earth has become increasingly obvious, climate change has become severely, and the frequency of natural disasters has increased
The voltage unbalance of a three-phase low-voltage distribution feeder with a dispersed generation systems (DGSs) has been analyzed by this research
Simulation results shown in this paper has demonstrated that the interconnection of a DGS does affect the voltage unbalance of the connected three-phase lowvoltage distribution feeder
Summary
The greenhouse effect of the earth has become increasingly obvious, climate change has become severely, and the frequency of natural disasters has increased. Large-scale renewable energy power generation systems are usually interconnected with transmission systems or highvoltage power distribution systems. Small-scale renewable energy power generation systems are interconnected with low-voltage distribution systems [3]. In Taiwan, renewable energy generation systems with a capacity of less than 100 kW are only allowed to be interconnected to low-voltage distribution feeders. The distribution feeders of low-voltage distribution systems have a three-phase structure, but the single-phase loads usually exit in them, so three-phase voltage unbalance problems arise [4,5]. More and more small-scale single-phase dispersed generation systems (DGSs) are integrated into low-voltage distribution systems. Under such circumstances, does the voltage unbalance problem of the three-phase low-voltage distribution feeder become more serious? Does the voltage unbalance problem of the three-phase low-voltage distribution feeder become more serious? It is really interesting
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