摘要
随着电力电子技术的发展,直流供电技术呈现出技术和经济优势,在能源变革背景下具有很好的发展前景。本文首先对低压直流供电的发展情况和电压等级序列等进行了论述,随后总结分析了直流配电网协调控制、配网保护和电能质量控制等关键技术以及关键设备的研制情况,最后整理了国内外直流供电技术研究与工程应用情况,其中苏州工业园区主动配电网应用示范区是城市能源变革的重要探索。
With the development of power electronics technology,the DC power distribution network presents its obvious advantage in technology and economic and has good prospects in the background of an energy revolution. First,the development of low-voltage DC power supply and voltage levels were discussed. Then,it summarizes and analyzes the key technologies of DC distribution network coordination control technology, protection technology and power quality control, as well as the development of key equipment. At last,the project research and application of DC power supply engineering in the world are summarized. The construction of active distribution network in Suzhou industrial park is an important exploration of urban energy transformation.
引文
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