Seismic Design Practices for Power Systems: Evolution, Evaluation, and Needs
The evolution of seismic design practices in electric power systems is reviewed. In California this evolution had led to many installation practices that are directed at improving the...

Modeling of Reactive Chemical Transport of Leachates from a Utility Fly-Ash Disposal Site
Fly ash from fossil-fuel power plants is commonly slurried and pumped to disposal sites. The utility industry is interested in finding out whether any hazardous constituents might leach...

Nuclear Plant License Renewal: Benefits, Feasibility, and Process
The future of power plants in the U.S. is of growing concern. The need for competitively priced and economically safe plants is a must. The reluctance of the utility industry to produce...

Procedure for Seismic Evaluation and Design of Small Bore Piping
Simplified methods for the seismic design for small bore piping in nuclear power plants have been used for many years. Various pipe designers have developed unique methods to treat the...

Second Natural-Gradient Tracer Experiment
The Tennessee Valley Authority (TVA) has begun a second large-scale groundwater field experiment at the Columbus Groundwater Research test site in Mississippi. This research is a continuation...

Design, Permitting and Initial Operation of a 32 Mw Agricultural Waste Fired Power Plant
Independent power producers are playing an increasingly important role in satisfying the electric power requirements of public utilities. Many of the independent power producers rely heavily...

Low Flow Impact on Power in the Great Lakes Basin
Approximately 94,400 mW of installed capacity in the Great Lakes Basin could be adversely affected by low levels/flows induced by drought or climatic warming. Methods for evaluating the...

A New Power Invention
Hydropower is the most natural form of energy generated in the World. It allows us to make use of our natural resources without pollution. It harnesses the basic fundamentals of nature...

Pressure Control Studies for PG&E's 20 MW Grizzly Hydroelectric Project
The Pacific Gas and Electric Company's Grizzly Hydroelectric Project consists of a single 20 MW Francis turbine under 700 feet head located near the existing Bucks Creek Project....

Voltage Regulator Influence on Generator System Stability
During initial startup of a generator system, it is not uncommon to witness generator voltage instability. Most of the time, the solution is reduced to returning the stability control...

Volume-Controlled Approach for Direct Measurements of Compressibility and Hydraulic Conductivity

Ferroresonance & the Snettisham Hydroelectric Project
Key system features of the Snettisham power plant in Alaska will be highlighted along with a discussion of the operational problems encountered due to a ferroresonant condition. The project...

Technology Transfer in the Bureau of Reclamation
In addition to its traditional methods of transferring technology through reports and manuals and participation in professional and technical societies, the Bureau of Reclamation has initiated...

Evaluation of an Eicher Fish Diversion Screen at Elwha Dam
In the spring of 1990, the Electric Power Research Institute (EPRI) initiated testing of an inclined fish screen installed in a 9-foot diameter penstock at the Elwha Hydroelectric Project...

Estimating Power Plant Cooling Water Demand
The Fayette Power Project (FPP) includes three generation units, with more than 1,500 megawatts of generating capacity, supplying electricity to more than a million Central Texans. The...

Recent Studies on the Optimal Operation of Reservoir Systems in China
Many researchers and engineers have examined the problem of optimal operation of hydro-electric systems in order to exploit the potential of electric power generation. At the same time,...

Reliability of Electric Power Transmission Systems in Seismically Active Metropolitan Tokyo: Part 1. Network Modeling
A method is proposed for modeling electric power transmission systems. The model can be used to evaluate the reliability of the network connectivity in a seismically active region. It...

Reliability of Electric Power Transmission Systems in Seismically Active Metropolitan Tokyo: Part 2. Seismic Hazard Analysis
For studying the seismic reliability of a power transmission system of Metropolitan Tokyo, the seismic hazard analysis of Kanto district was performed based on a three dimensionally distributed...

Diffusion Coefficients and Hydraulic Conductivity in Unsaturated Hanford Soils and Sediments
Two groundwater transport parameters of some Hanford formation materials, the hydraulic conductivity and the diffusion coefficient, were measured to aid in predicting contaminant migration....

Seismic Characterization of Fracture Properties
Laboratory measurements of the mechanical stiffness, hydraulic conductivity and seismic properties of three natural fractures were made as a function of applied normal stress. Seismic...

 

 

 

 

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