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5055: Asset Management Practices of Leading Distribution Utilities

The objective of this project was to gather information pertaining to the asset management practices of leading distribution utilities and to enable participating utilities to learn from the experience of leading North American and worldwide utilities on the subject, as well as to identify proven approaches and tools that can be used in the development and implementation of a superior distribution asset management plan. By means of a literature search and critical review, a user survey, and inpu

DEP

Research

3210A: CPF: Ultrasonic Assessment of the Condition of Tower Legs, Phase I: Feasibility Study

This Progress Report covers work on Phase 1 “Feasibility study – Lab Testing andDevelopment” scheduled for this period. The legs of steel transmission towers start to corrodeonce they have been installed and buried. A reliable method of assessing the condition of theburied structures is required. The idea of ultrasonic determination of the buried structurescondition is based on the excitation of traveling acoustic waves in the leg. Equipment forinspection consists of pulser-rec

Jul 18, 2006 - Sep 15, 2006

OTE

Research

3410: Reliably Predicting Underground Cable Life from Endurance and Breakdown Tests

The primary objective of this study was to develop an electrical aging model for XLPE cables aged at room temperature in air. A model successfully describing various experimental results on films and cables is presented within this report. The basic parameters involved in the model are explained, and difficulties associated with data interpretation are discussed. Another objective was to relate breakdown and electrical aging. It is shown that there is indeed a relation between the two processes,

TUC

Research

0358: Short Converging Intake Comparative Flow Rate Measurement Tests at Kootenay Canal

Hydroturbine efficiency testing is important for acceptance tests of new turbines, power and water sharing agreements, and optimal dispatch of generating units. The measurement of flow rate is a key component of efficiency testing. However, the major standard test codes do not allow any practical means for measuring flow rate in one of the most common hydroelectric configurations, the low-head Kaplan unit. These units are characterized by a short converging intake that lacks the long uniform wat

HPE

Research

3094: Guide for Tender Evaluation, Design Review and Factory and Site Acceptance Tests for MV and HV Circuit Breakers and Switchgear

This guide provides a structured approach to the switchgear procurement process as an effective method of ensuring satisfactory operating performance in accordance with specified requirements. The foundation for the procurement process has been laid by previous CEATI projects which provided information on the technical aspects of circuit breakers and switchgear and assistance in the development of technical specifications. Guidance is provided on the complete switchgear selection and contract ad

Jun 2, 2014 - Feb 9, 2015

SE

Research

5039: Distribution Underground Polymeric Cable Systems R&D Business Plan

Today, electrical utilities need effective management of all their resources, including their underground cable assets. The cable system represents a significant financial investment that needs to be carefully monitored and maintained. CEATI has long recognized the importance of distribution cable systems to utilities, and has set-up and carried out an extensive research program to address the issues. CEATI is now preparing a new program in the life cycle management of polymeric cable systems. T

DEP

Research

G31: Material Related Problems & Challenges In Power Engineering Devices

TGIG

Research

3359: Simulation of the Cascade Process of Towers

This document provides a synthesis of investigations made on the cascading tower process. It aims at estimating the loads generated by a tower failure on the adjacent towers for several cases of initial default on the line: failure of a tower, conductor breakage, etc. The main results are as follows.Concerning transversal failure:The critical point is the load transmitted by the ground wires. Conductors transmit lower loadings because of the insulator strings.It is very important to take into ac

OTD

Research

3028: Evaluation of Online-Offline Techniques to Assess the Need to Replace CB Contacts for All Types (Oil, Air, SF6) of Circuit Breakers

This project was undertaken to evaluate various techniques for assessing the degree of wear of circuit breaker contacts to evaluate the need for their replacement. The techniques available include both online (i.e., monitoring) and offline techniques. The project’s approach was to focus on those methods that are commercially available today and those that show promise of being commercially viable in the near future. A survey was undertaken to help identify systems and techniques of interes

SE

Research

3062: Condition Based Risk Management (CBRM), A Process to Link Engineering Knowledge and Practical Experience to Investment Planning

This report documents the application of the Condition Based Risk Management (CBRM) process to a sample of power transformers. The supplied asset data was used to develop a CBRM spreadsheet model that provides utilities with a complete set of results including the following.For each asset:A definition of the current condition as a Health Index (HI)An estimate of the current Probability of Failure (PoF)The ability to 'age' each asset to give an estimate of the future HI and future PoFA measure of

SE

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