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在水轮机调速系统中,通过数字计算机把频率的和有功功率的比例-微分反馈引入到调速器的功率给定装置上,不仅可以改善调速器的调节品质,还可以部分地实现频率的“二次调节”,这是水电站厂内经济运行实时控制的一个重要条件。
In turbine governor systems, the introduction of a proportional-differential feedback of frequency and active power to the governor’s power set-up via a digital computer not only improves the governor’s tuning quality but also partially achieves frequency “Secondary regulation”, which is an important condition for the real-time control of the economic operation of the hydropower plant.