Invention Grant
US09587522B2 Model-based partial letdown thrust balancing 有权
基于模型的部分减速推力平衡

Model-based partial letdown thrust balancing
Abstract:
A method, control system, and combined cycle power plant are disclosed herein, which enable balancing thrust between a high pressure (HP) section and an intermediate pressure (IP) section of an opposed flow steam turbine in a combined cycle power plant, including predicting or determining a presence or absence of a thrust imbalance between the HP section and the IP section based on steam flow, pressure, and temperature data at an HP section inlet; and based on the presence or absence of the thrust imbalance, adjusting an amount of steam that enters the HP section.
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