基于交直流微电网的智慧能源站拓扑结构研究

“多站合一”的智慧能源站是未来变电站发展的新模式，其中变电站供电系统是保证智慧能源站可靠运行的关键。针对变电站站用交直流系统，计及当前交直流微电网技术进步，提出了智慧能源站供电系统采用交直流微电网的方案，并对交直流微电网电压等级、拓扑结构进行分析。通过对供电可靠性和经济性进行比较，说明交直流微电网的新型结构优于传统结构，验证了智慧能源站新型交直流微电网拓扑结构的可行性及技术优势。

Topology Structure of Smart Energy Station Based on AC/DC Microgrid

Multi Station Integration smart energy station is a new mode of substation development in the future， in which the substation power supply system is the key to ensure the reliable operation of smart energy station. In view of the AC/DC system used in substation station and considering the current AC/DC microgrid technology progress， the power supply system of smart energy station adopting AC/DC microgrid is proposed. The voltage level and topological structure of the AC/DC microgrid are analyzed. By comparing the reliability and economy of power supply， the new structure is shown to be superior to the traditional structure， and the feasibility and technical advantages of the new AC/DC microgrid topological structure of the smart energy station are verified.