The paper set up a model of hydro unit maintenance , whose object is the max income in the life period of unit, considering the economic factors of the power market and restrictions of hydro units.
本论文建立了水电机组最优检修间隔模型，以机组在寿命期内的收益最大为目标函数，考虑了电力市场的经济因素和水电机组的约束条件。
Under no-load operation, how to set the PID parameters and prevent misfit among the parameters is concerned in hydro-turbine regulation.
在机组空载工况下如何整定PID参数及防止参数间配合不合理，是水轮机调节关心的问题。
The mathematical model of 3-dimentional air arc plasma under the effect of external magnetic field is set up based on magnetic hydro-dynamics(MHD).
以磁流体动力学（MHD）为基础建立了三维空气电弧等离子体在外部磁场作用下运动时的数学模型。
The principles and structures of Hydro-viscous Drive( HVD ) set were introduced.
介绍了液体粘性软启动装置的基本工作原理和结构。
The principles and structures of Hydro-viscous Drive( HVD ) set were introduced.
介绍了液体粘性软启动装置的基本工作原理和结构。
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