Research on Line Loss Improvement of Station Area in Distribution Network by Modular Photovoltaic Energy Storage System

Abstract

Under the background of “carbon peak and carbon neutral”, it is the general trend to promote the transformation of energy structure. The new energy power generation system represented by photovoltaic is developing rapidly. The mismatch between photovoltaic output and line load power will inevitably lead to the increase of line loss. The energy storage system that has both rapid power regulation and energy storage capacity is one of the effective means to improve the increase of line loss caused by photovoltaic access. Based on the in-depth analysis of the influence of photovoltaic system access on the line loss of the station area of distribution network, a modular photovoltaic energy storage system to improve the line loss of the station area in distribution network was constructed, and the research on the capacity configuration and coordinated control of the modular photovoltaic energy storage system was carried out in this paper. Finally, a typical line model of photovoltaic access station is constructed to verify the improvement effect of the modular photovoltaic energy storage system proposed in this paper on the line loss of station area in distribution network.