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Vibration Problems of Penstock Piping for a Vertical Tubular Hydraulic Turbine
Excessive vibration amplitudes were experienced in the vertical gated tubular units at the Great Falls Hydroelectric Project located in the City of Paterson, New Jersey. Vibration amplitude...

Runner Induced Penstock Vibrations
During the start up testing of the Sly Creek Power-house a severe penstock vibration was discovered at wicket gate openings above 65%. Subsequent testing revealed that the penstock vibration...

Turbine Runner Procurement for the Robert Moses Niagara Power Plant Upgrade
Procurement of the new runners involved the selection of two manufacturers who have entered into a design competition in which competing models will be tested in an independent hydraulic...

Development of High Specific Speed Pump-Turbines
The operational range of pump-turbines is continually increasing, especially in the direction of high specific speed installation. In this context, high specific speed refers to units...

Yacyreta Hydroelectric Project Turbine Design
This paper provides general information about this major hydroelectric project on the Parana River on the border between Argentina and Paraguay in South America. In addition, some specific...

Hydro Turbine Submergence
The elevation of a hydro-electric turbine above or below tailwater is based on hydraulic model studies to determine the critical sigma, defined as the ratio of barometric pressure plus...

Uprating, Modernization and Automation of a Vertical Francis Turbine Generating Unit
The power demands of the Boise Cascade Paper Mill in Rumford, Maine are partially satisfied by two hydro-generating plants located in the near vicinity. In 1984 several factors prompted...

Design Data of Kaplan and Bulb Turbine Units
Some basic statistical data covering geometrical and energy parameters for Kaplan and bulb turbine units are presented. These data are further compared as specific rations for both units,...

Computer Aided Design of Small Hydro Turbine?Phase II
Ateliers Bouvier have been expanding the use of its computer aided design (CAD) system during these last four years, and the aim of this paper is to present some additional aspects of...

Update: Ozark-Webbers Falls Turbines
The Ozark and Webbers Falls powerhouses were designed and constructed under the supervision of the U.S. Army Corps of Engineers. Both are located on the McClellan-Kerr Arkansas River Navigation...

Reduced O&M Costs through Better Metallurgy
There are many areas in hydroelectric power plants where better materials of construction can reduce operation and maintenance (O&M) costs. Some of the most nagging problems deal...

Turbine Improvements through Model Testing, a Case Study
An air-flow, propeller type, rim-drive turbine is being manufactured to be used in sites with heads ranging from 12 to 28 feet. A laboratory turbine model study was conducted to optimize...

Upgrading Open-Wheel Pit Hydro Plants with Modern Submersible Hydroturbines
This paper presents a new approach in rehabilitating open-wheel hydrosites by using modern, standard submersible hydroturbines, open flume type cylinder gates, and high efficiency draft...

Murray?Commissioning Maxi Hydro with Mini Flow
The Murray Hydroelectric Project contains two of the largest pit turbines in the world. An existing dam constructed for navigation and flood control on the Arkansas River, Lock and Dam...

Pit Turbines, an Economical Solution for Low Heads
The paper describes the experience with pit turbine design and construction at the 8 MW St. Cloud facility located on the Mississippi River in Minnesota. Major topics in the paper include...

65 MW Bulb Turbine Generating Unit for Tadami Project
The Tadami Hydro-electric Power Project (Tadami Project) of the Electric Power Development Co., Ltd. (EPDC) - Japan is now under construction and is scheduled to be in commercial operation...

Acoustic Flowmeter/Efficiency System Installation at the Niagara Power Project
The New York Power Authority's Robert Moses Niagara Power Project (RMNPP) recently installed an acoustic flowmeter/efficiency system on two 150 MW rated generators. This paper...

Model Tests for Six-Jet Vertical Pelton Turbines for Bradley Lake Hydroelectric Project
A model of a six-jet vertical Pelton turbine, including the spiral distributor, 50 feet of penstock, discharge chamber, and short free-surface tailrace was designed, built, and tested...

Field Efficiency Testing of Hydroelectric Turbines
The wide variability of conditions encountered in field testing of turbines is illustrated by examining two case studies with widely different scenarios. One site involved field acceptance...

Turbine Efficiency Measurements by the Pressure-Time and the Current-Meter Method at Paugan
Paugan generating station was built in the 1920s. Although the generators were converted from 25 Hz to 60 Hz in the mid 1950s, the original runners were in place until recently when a...

 

 

 

 

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