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白山发电厂机组在启机过程中水轮机导叶发生拒动现象，通过现场试验，测试机组开启和关闭过程中接力器油压变化情况，据此得出导叶上的水力矩和摩擦力矩，从而提出引起导叶拒动的原因及解决对策。
During the start-up process of Baishan Power Plant unit, the guide vane of the turbine is refusing to move. The field test is used to test the hydraulic pressure variation of the relay during the start-up and shut-down of the unit, thus obtaining the hydraulic moment and the friction moment on the guide vane Put forward the cause of guide vane refused to move the reasons and solutions.