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Mt. Tabor Hydroelectric Project
In 1980 the engineering staff of the City of Portland Bureau of Water Works identified several potential hydroelectric sites in Portland water supply and distribution system. The Mt. Tabor...

Design and Application of an Open-Loop Control System for Run of River Sites
This paper compares an open loop control system for variable geometry turbines to a closed loop system for fixed geometry turbines. The control systems were designed to operate three submersible...

Construction Management of Small Hydro Projects
A major driving force in the small hydro industry is the corps of private entrepreneurs actively engaged in the development of small hydro projects. While many of these developers are...

Low Head Hydroelectric Development on Madera Canal
The Madera-Chowchilla Power Authority with cooperation from the U. S. Bureau of Reclamation has been successful in the development of four hydroelectric plants at five head drops on the...

Re-Use of Civil Structures Make Norway Hydro Possible
Utilization of abandoned civil facilities made the addition of 1,800 KW to an operating 3,200 KW hydro plant of the City of Norway, Michigan Light and Power feasible. Work consisted of...

Two New Machines for Ultra Low-Head Hydropower
This paper outlines the development of two new types of positive displacement ultra low-head hydropower machines, the AUR Water Engine (AURWE) and the Salford Transverse Oscillator (STO)....

North Fork Hydro Electric Power Station
Lake Hemet Municipal Water District has recently installed a hydro power station capable of producing approximately 200 KW of power during years of normal flow and 600 KW during periods...

Hydropower on the Arkansas?A Non-Federal Development
In 1980, Arkansas Electric Cooperative Corporation (AECC) filed preliminary permit applications with the Federal Energy Regulatory Commission for developing the hydropower potential at...

The Institutional Lender's View of Project Insurance Issues
The purposes of this article are to describe the typical insurance requirements of project financing institutions (particularly for projects with an insurable value of less than 20 million)...

Turbine Efficiency Loss Associated with Draft Tube Aeration
Draft tube aeration is one method for improving the dissolved oxygen content of hydroelectric discharges. A simple analytical procedure is presented for estimating the loss in turbine...

Analysis of Slow Speed vs. High Speed Generation
This paper presents a discussion of the relative merits of each alternative, with emphasis placed on experience gained from projects recently completed. The discussion considers such factors...

Prospects for Hydroelectric Power Development at Corps of Engineer Dams
There are two basic approaches to developing hydroelectric power facilities at Corps dams. The Corps can develop projects at the request of Congress through the authorization process....

The Pacific Northwest Hydropower Data Base Study
The Hydropower Data Base is presently a functional tool for evaluating hydropower in the Northwest. It is a complete system which has been implemented using a variety of crosschecks and...

Friant Power Project: Design and Construction?Non-Federal Power at a Reclamation Facility
Friant Dam, Millerton Reservoir, provides the principal water supply for the Friant Division Central Valley Project of the U. S. Bureau of Reclamation (Bureau). The dam is a 319-foot high...

Economic Evaluation of Alternative Electric Power Developments
A hydroelectric-dominated power system and a thermal-dominated system represent different ways of meeting total electric demand, but with materially different cash flow patterns. This...

Computerized Engineering for the Hydraulic Design of Hydro-Turbine Stay Vanes
To design a turbine stay vane as an integral part of the spiral case/stay vane/wicket gate waterpassage, both the vane geometry and the gate/vane position must be developed and analyzed....

Control System Design Considerations for Small Hydro Projects
This paper deals with the philosophy that must be embraced when specifying a fast track small hydro project. The major areas discussed are: the role of control systems in the context of...

Electrical Design of Small Hydro Plants
Major aspects of electrical design criteria for small hydro power plants used in co-generation schemes are: turbine control, generator and excitation equipment selection, protection relaying,...

Performance Consideration for Selecting a Static Excitation System
Many hydropower plants today are being upgraded with new static exciter/regulator systems to replace the old existing rotary exciters. One type of system is the semi-inverting system where...

Application of an Integrated Numerical System for the Modernization of Hydro Turbines
The modules of an integrated numerical system for the new design and replacement of hydro power plant components are described and some examples of application are shown. The main modules...

 

 

 

 

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