复杂电网自律协同无功电压优化控制:关键技术与未来展望

Autonomous-Synergic Voltage Control for Complicated Power Systems: Key Technologies and Prospects

自动电压控制(automatic voltage control,AVC)技术对保证电力系统安全、优质、稳定与环保运行意义重大。回顾了自动电压控制技术的发展历史,提出了在大规模复杂电网实施自动电压控制的关键技术挑战,并进一步阐述了应对这些挑战的自律协同思想与电压控制关键技术,包括巨型电网安全与经济协同优化技术、支撑大规模可再生能源可靠接入的自律协同电压控制技术、以及基于自适应架构的递阶协同电压控制方法。最后,结合中国电网的现实需求与变化趋势,对未来自动电压控制技术的发展方向进行了展望。

Automatic voltage control（AVC） system has great significance in keeping the power system secure,optimized,stable and environment-friendly.This paper reviews the history of AVC system＇s history,and points out the key technical challenges of implementing AVC system in large-scale complicated power grid,further,the authors introduce a series of autonomous-synergic voltage control techniques to meet the challenges,including the synergic optimization method of the security and economy of huge power grid,the autonomous-synergic voltage control method supporting high penetration of renewable generation and the progressive synergic voltage control method based on automatic adaptive structure.At last,the authors discuss the prospect of AVC system according to real demand and developing trend of Chinese power grid.