交流励磁可变速蓄能机组技术及应用

The Technology and Application of Adjustable-Speed Pumped Storage Units with AC Excitation

抽水蓄能机组采用可变转速电机可获得最佳性能指标。介绍了交流励磁可变速蓄能机组的基本原理、技术优势、运行应用情况及发展趋势,重点分析日本可变速机组运行情况、技术和经济合理性。指出可变速机组是一种高效的先进调峰调频电源,可为电网安全稳定运行提供更有力的保障,是电力系统管理的必要工具。

The adjustable-speed motor-generator is favourable for pumped storage units to achieve best performance.This paper introduces the basic principle,technical advantage,operational application and development trends of adjustable-speed pumped storage units in AC excitation with a focus on their operation situation and technology econmics in Japan,pointing out that the adjustable speed uinit is a kind of power that has very hight efficience in power regulating so to provide powerful supports to the safety operation of grids and be the necessary facilities for power system control.