基于融合终端的配电台区低压柔性直流互联系统

Low-voltage flexible DC interconnection system in distribution area based on fusion terminal

随着新型电力系统的建设和发展,配电台区升级转型也成为必然趋势。为此,提出了新型电力系统背景下的配电台区低压柔性直流互联系统,在分析配电台区现状和问题的基础上,总结出该系统的6种典型应用场景。该系统通过低压柔性直流互联并配置融合终端,加速台区间信息交互,实现台区内动态无功补偿、台区间功率灵活互济、故障快速转供,以及分布式电源高效消纳、冲击性负荷稳定供电、能量优化与经济运行,为配电台区升级转型提供了一定的参考意义。

With the construction and development of new power system,the upgrading and transformation of distribution area also become an inevitable trend.Therefore,the low-voltage flexible DC interconnection system in the distribution area under the background of new power system is proposed.Based on the analysis of the current situation and problems in the low-voltage distribution area,six typical application scenarios of the system are summarized.The system accelerates the information exchange between distribution area through the flexible DC Interconnection in the low-voltage distribution area and the configuration of fusion terminal,it also realizes dynamic reactive power compensation,flexible power sharing in the distribution area,reliable power supply in fault,efficient consumption of distributed generation,stable power supply of impact load,energy optimization and economic operation.This system provides a certain reference significance for the upgrading and transformation of distribution area.