Impact Assessment and Optimization Approaches for Distributed Power Generation Integration into Distribution Transformers

With the increasing proportion of distributed generation (DG) in the distribution network, the distribution system has become more complex and its impact has gradually expanded. To mitigate the negative effects caused by DG, this paper establishes a simplified model of distributed photovoltaic connected to the load side of the distribution network and analyzes its influences on the voltage and power loss of the distribution network. On this basis, the paper analyzes the causes of voltage fluctuations, proposes methods to reduce voltage fluctuations, and also puts forward ideas for lowering network losses, which can serve as references.