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现代火电厂锅炉给水泵一般采用调速型液力偶合器调节泵的转速.以实现对给水流量的控制.偶合器调节特性的非线性对系统性能有很大影响,必须加以非线性补偿.本文就非线性补偿原理和几种常用的补偿方法进行了分析.
In modern thermal power plant boiler feed pump, the speed governor type fluid coupling is generally used to adjust the speed of the pump, so as to control the feedwater flow rate.The nonlinearity of the coupling adjusting characteristic has a great influence on the system performance and must be compensated nonlinearly. The principle of nonlinear compensation and several commonly used compensation methods are analyzed.