可变速抽水蓄能机组调速器的控制策略

Analysis of the Governor Control Strategy of Variable Speed Pump-turbine

可变速机组由于其转换效率高、适应水头和出力范围宽、调节性能优越等特点越来越受到研究重视。本文从可变速机组的系统组成、调节原理出发,针对机组水泵、水轮机不同工况,提出了机组效率寻优、功率调节、一次调频控制、调速励磁的联合控制等方面的控制策略,对于可变速机组的控制调节做出了一些有益探索,可供大型抽水蓄能电站可变速机组的控制研究提供一定参考。

Due to its high conversion efficiency, wide adjustment of water-head and wide power-output range, superior performance, the variable speed turbine generator has been paid more and more attention. This paper introduces the composition and the adjustment principle of the variable speed turbine generator, according to different conditions of the turbine generator in the pumping or power generation, the paper puts forward the control strategy of unit efficiency optimization, power-output regulation, primary frequency regulation control strategy, combined control of Governor system and Excitation system, beneficial explorations are made for controlling the variable speed turbine generator, which can provide reference for the controlling research of the variable speed turbine generator.