Design and Construction of Paute Project, Ecuador
The Paute Project is a key element in Ecuador's program for developing a modern electric power system. When fully developed, it will consist of three separate developments:...
Capacity Planning of Decentralized Small-Scale Hydro Power Plants
Some simple and efficient models are proposed to determine the optimal capacity and the expected energy generation of a decentralized small-scale hydro plant. Both the supply of an isolated...
U.S.-China's Cooperation in Unified Resource Development
This paper reports on activities between China and the United States involving exchange of technical expertise and project development. The paper focuses on how unified resource development...
HydroMAX; Computerized Hydropower Scheduling
The New England Power Exchange (NEPEX) is currently using the HydroMAX Program to schedule daily hydropower operations for the 17 stations in the 11,250 square mile Connecticut River Basin....
Interactive Simulation of Hydropower Systems
This paper describes a new educational technology that has proven extremely effective in introducing both technical and lay persons to the operational principles, management alternatives,...
Generic Power System Stabilizer Design
The object of this paper is to describe the design considerations of a microprocessor based power system stabilizer operating through excitation control as applied to a multi-unit pumped...
Optimal Dispatch of Hydroelectric Systems
This paper presents a reliable and computationally efficient method for solving the optimal hydro dispatch problem. Moreover, this method guarantees a true optimal solution when the units'...
Increasing Hydropower Operating Efficiency
A method is described for determining the most efficient use of hydro units in a multiple unit hydro plant. In a multi-unit plant enough flexibility exists to load a chosen set of units...
Quantifying the Maximum Capability of Hydroplants
A procedure was developed to quantify the maximum hydropower capability. This procedure basically consists of two steps: dividing the total available water into weekday and weekend components;...
Hydro System Enhancement: TVA's Comprehensive Hydropower Program
The Tennessee Valley Authority's Comprehensive Hydropower Program is systematically identifying opportunities for increasing hydroelectric generation in five areas: small...
Impacts of Indexed Sequential Hydrological Modeling on Hydrogeneration Capacity Estimation
Indexed sequential modeling (ISM) has been proposed by the Western Area Power Administration as an alternative approach to developing firm marketable capacity (i. e. , project dependable...
Planning of Hydropower Development in Hydrothermal Systems by Capex
This paper discusses the power generation expansion model CAPEX in which provisions are made that specifically account for the distinct characteristics of hydropower. The model determines...
Computer Modeling and Applications
A series of programs is available to evaluate the hydrology, compute the capacity to generate energy, establish unit costs, analyze penstock surge pressures, and simulate ramping rates....
LRFD Format for Transmission Structures
The structural design of high voltage electric transmission lines in the US is usually governed by the National Electrical Safety Code (NESC). A simple reliability-based Load and Resistance...
Steel Poles?Past, Present and Future
When using steel pole structures, construction possibilities are limitless. Of all the options available, tubular steel structures provide the most versatility for transmission line construction....
Lattice Tower Design Using Cold-Formed Shapes
The use of cold-formed shapes in lieu of hot-rolled angles may lead to major changes in the design of lattice transmission towers. The design procedure of the new shapes is more creative,...
Innovations in Prestressed Concrete Structures
Prestressed concrete poles are probably the best choice for most transmission line structures. They have many advantages over structures made from other materials for both engineering...
Cold-Formed Angles for Transmission Towers
Cold-formed members enable the engineer to design transmission towers that may be more cost-effective than those built with hot-rolled angles. Members can be designed to closely fit the...
Design and Test of Cold Formed Steel Members
Latticed systems represent the most spread and low-cost solution for electrical trasmission towers, when ground conditions do not affect the design choice. Steel angles have been used...
Bolted Connections for Steel Towers
Laced electrical transmission towers require on-site assembly. Consequently, the number of bolts and pieces are important considerations in the total cost of the structures. ASTM A394(1)...
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