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Adapting Tunneling to Rocks of the Sierra Nevada
Exploration programs were completed to select the most economical tunnel routes which are not only the shortest but are those which can be excavated by tunnel boring machines with the...

Osoyoos Lake Control Structure
The new Osoyoos Lake Control Structure has been built on the Okanogan River at Oroville, Wa. The site is about 2 miles downstream from the outlet of Osoyoos Lake, and about 9 miles south...

Analysis of Hydraulic Transients for Design and Operation of Two Powerhouses in Series
The Dinkey Creek Project will be located in the southern Sierra Nevada mountains 40 miles north-east of Fresno, California, and will develop about 4000 ft of gross head with a maximum...

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...

Field Testing: Producing Complete Test Results on Site, A Realistic Objective
Modern technologies and instruments have had an influence in nearly every field imaginable. At Hydro-Quebec, the last ten years have brought about a complete transformation in the way...

Index Testing With a Data Acquisition and Control System
A computer controlled index test has been developed that can be used to optimize blade-gate relationships on adjustable blade (Kaplan) hydraulic turbines. This paper includes hardware...

Design and Commissioning of the Philadelphia Hydroelectric Project
The Philadelphia Hydroelectric Project consists of a single horizontal-shaft double-regulated S-type unit, rated 3440 kW, utilizing a programmable controller for unit operation together...

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...

Programmable mMicroprocessors in Local Control of Hydro Power Plants
The main purpose of the control equipment is to provide the generator with means for operation of the power station equipment. There is a need for status information on the generating...

An Integrated Site Controller-Network Monitoring System for Small Scale Hydroelectric Sites
Over the past decade more and more small scale hydroelectric power developers have faced the question of the economic feasibility of installing microprocessor based control systems for...

Grand Coulee SCADA System Procurement
Purchasing a quality Supervisory Control and Data Acquisition (SCADA) or Energy Control System (ECS) at a reasonable price for a particular installation can be a challenging undertaking....

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...

The Design and Operating Experience of a Multiplexer Application in Conventional Hydro Powerhouse Control
The design of the Bonneville Second Powerhouse control system presented an opportunity to replace conventional cables with a multiplexer system that would provide a two-way data communication...

Capabilities of Automated Control System Employing Advanced Programmable Controllers
This paper details Voith Hydro's range of experience in the use of Programmable Logic Controllers (P. L. C. 's) in the automation of new hydro electric sites....

Integrated Automatic Hydroelectric Plant Control
The increased acceptance and employment of microcomputers to control specific functions in small hydroelectric plants has led to computerized integrated total control of hydropower generation....

Control and Tests of Tims Ford Induction Generator
This paper will discuss the electrical control scheme and commissioning tests developed for a small induction generator installed by the Tennessee Valley Authority (TVA) at its Tims Ford...

Hydropower Goes Downtown
Beneath a busy street in Southern California seems an unlikely location for a small hydroelectric generating plant. However, located just below El Segundo Boulevard in the town of El Segundo...

Sensing by Satellite
Commercially available data collected by U.S. and French satellites re helping civil engineers take a closer look at our planet. Also available are PC-based image processing systems that...

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...

Quality Control/Inspection�Upper Stillwater Dam
Roller compacted concrete construction, or RCC, is a relatively new method of constructing concrete dams and involves placing and spreading no-slump concrete in horizontal layers and compacting...

 

 

 

 

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