Schemes analysis of multi-access points distributed photovoltaic access system

Due to the gradual deterioration of the environment and the shortage of energy resources, the full use of renewable energy has become the focus of global attention. With development and wide application of photovoltaic power generation in power system, the selection of optimum plan for access system has become one of the first and most important problems before the acceptance of photovoltaic power generation. The paper takes a proposed distributed photovoltaic system as an example to research and analyse two kinds of multiple access schemes for distributed photovoltaic system. Sensitivity analysis method is proposed to calculate the load flow for making a comprehensive comparison and selection among the aspect of active power loss. In the premise of ensuring the normal power generation of the photovoltaic system, this paper suggests a scheme that can help spontaneous self-consumption, thus effectively decreasing network loss and the construction investment.