采用液力偶合器传动箱动力机组,将调速电动机、偶合器及齿轮减速箱组合为一个动力单元可降低游梁式抽油机的系统能耗。在分析抽油机液力偶合传动原理的基础上,指出液力偶合传动装置采用双速电动机作为动力机,取消了胶带传动,偶合器使电...采用液力偶合器传动箱动力机组,将调速电动机、偶合器及齿轮减速箱组合为一个动力单元可降低游梁式抽油机的系统能耗。在分析抽油机液力偶合传动原理的基础上,指出液力偶合传动装置采用双速电动机作为动力机,取消了胶带传动,偶合器使电动机的峰值电压降低,可降低冲击载荷30%-40%,同时对抽油机液力偶合传动装置进行了6口井的现场应用。应用结果表明：抽油机液力偶合传动使电动机功率由37 k W降至30 k W,平均日耗电由234 k W·h降至191 k W·h,节电率达18.37%。所得结论对老油田抽油机节能改造具有参考价值。展开更多
Tidal current turbines(TCTs) are newly developed electricity generating devices.Aiming at the stabilization of the power output of TCTs,this paper introduces the hydraulic transmission technologies into TCTs.The hydro...Tidal current turbines(TCTs) are newly developed electricity generating devices.Aiming at the stabilization of the power output of TCTs,this paper introduces the hydraulic transmission technologies into TCTs.The hydrodynamics of the turbine was analyzed at first and its power output characteristics were predicted.A hydraulic power transmission system and a hydraulic pitch-controlled system were designed.Then related simulations were conducted.Finally,a TCT prototype was manufactured and tested in the workshop.The test results have confirmed the correctness of the current design and availability of installation of the hydraulic system in TCTs.展开更多
文摘采用液力偶合器传动箱动力机组,将调速电动机、偶合器及齿轮减速箱组合为一个动力单元可降低游梁式抽油机的系统能耗。在分析抽油机液力偶合传动原理的基础上,指出液力偶合传动装置采用双速电动机作为动力机,取消了胶带传动,偶合器使电动机的峰值电压降低,可降低冲击载荷30%-40%,同时对抽油机液力偶合传动装置进行了6口井的现场应用。应用结果表明：抽油机液力偶合传动使电动机功率由37 k W降至30 k W,平均日耗电由234 k W·h降至191 k W·h,节电率达18.37%。所得结论对老油田抽油机节能改造具有参考价值。
基金Project supported by the National Natural Science of China (Nos. 50505043 and 50735004)the National High Tech R&D Program (863) of China (No. 2007AA05Z443)
文摘Tidal current turbines(TCTs) are newly developed electricity generating devices.Aiming at the stabilization of the power output of TCTs,this paper introduces the hydraulic transmission technologies into TCTs.The hydrodynamics of the turbine was analyzed at first and its power output characteristics were predicted.A hydraulic power transmission system and a hydraulic pitch-controlled system were designed.Then related simulations were conducted.Finally,a TCT prototype was manufactured and tested in the workshop.The test results have confirmed the correctness of the current design and availability of installation of the hydraulic system in TCTs.
