Pit Turbine Technology for Low Head Hydro Projects
Manufacturers of hydro generating equipment have developed designs that are adaptable to existing dams and suitable for upgrading and redevelopment of existing hydro plants. The pit turbine...
Optimisation of Bulb and Kaplan Turbine Runners
The paper presents a brief survey of the theoretical method used so far at Turboinstitut Ljubljana for axial runner design and analysis. Theoretically optimised runner is later experimentally...
Hydro Research and Plant Renewal
Obtaining extra energy or output from existing plants is the current topic when the question of refurbishing older turbine installation arises or when plant operating conditions can be...
Rehabilitation of a High Specific Speed Francis Turbine
An upgrade of two (2) 4. 06 meter diameter high specific speed Francis turbines is now in progress. These machines were originally installed by Allis-Chalmers in the 1920's...
The Cougar Project?Turbine Runner Replacement
The Cougar turbine runners have been subjected to a substantial amount of cavitation damage which has required repair by welding. The continued welding repair has subsequently resulted...
Synopsis of Harry S. Truman Turbine Repair
The Harry S. Truman Powerplant was designed and constructed under the supervision of the U. S. Army Corps of Engineers and is located on the Osage River near Warsaw, Missouri. During 1981...
An Analysis of Cavitation Damage in a Francis Turbine Operating Under Small Opening Condition
In this paper some new formulae are derived to estimate the pressure and the relative velocities in the crown and the band regions of the Francis turbine runner operating under any gate...
Field Observations of Cavitation Erosion in Hydraulic Turbines
Field surveys of the operational and design characteristics of 602 hydroturbines installed since 1950 and having a capacity in excess of 20 MW or a discharge diameter greater than 3 meters...
Racine?5 Years of Successful Operating Experience with the World's Largest Bulb Turbines
In September 1982 two bulb turbine generating sets with a runner diameter of 7700 mm and a generator rating of 25 MVA were put into commercial operation at the Racine dam on the Ohio river....
Development of Three Systems Operated Rev. Pump Turbine
In order to represent the development of reversible, single stage pump turbines in Yugoslavia, the three systems operated pump turbine (3SRPT) of the fourth unit of Moste hydro power plant,...
Computer Aided Design of Butterfly Inlet Valves
Computer simulation of butterfly inlet valves (throughflow, lattice) in hydropower schemes is presented. The software is intended for practisting engineers to obtain significant parameters...
Digital Control of 180MW Francis Turbines: Controller Design, Simulation, and Operational Results
The features of a new hydro-power station are outlined as are some specifications that the customer required of a digital controller. Both hardware and software aspects of this recently...
Kaplan Blade Angle Controller
This paper describes a recently developed computerized Kaplan blade angle controller that is capable of improving turbine performance. Model Tests or Index Tests produce the Three-D-Cam...
McNary Powerhouse Generating Unit 14 Stator Core and Winding Replacement
The powerhouse contains 14 main generating Kaplan-blade units, each rated at 73,684 kVA at 0. 95 power factor. In early 1985 the decision to rewind and uprate Unit 14 was being finalized....
Design Improvements on a Small Hydro Project
The Whiskeytown Hydroelectric Project, built for the City of Redding, California, provides an excellent example of the type of improvements in general arrangement which can be achieved...
Subsurface Savings
Less conservatism than usual in designing building foundations is being accepted or demanded by some owners to save money. The article describes four examples of cost-cutting innovations,...
Planning, Design and Cost Estimates for RCC Dams
Engineers, planners, and officials of agencies responsible for developing water resource projects are confronted with preparing preliminary designs and cost estimates for dams. This paper...
Cedar Falls Roller Compacted Concrete Dam
This paper presents the design, material testing, quality control, and construction considerations applicable to a small Roller Compacted Concrete (RCC) dam. The Cedar Falls RCC dam is...
Design of Seepage Control Systems for RCC Dams
As the reservoirs of the first generation of roller compacted concrete (RCC) dams have been filled, several have exhibited significant amounts of seepage, a fact that has been of concern...
Compaction Parameters of Roller Compacted Concrete
Density in roller compacted concrete is usually achieved through vibratory compaction. Factors of major influence in attaining densification of a structure with a vibrating roller are...
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