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3388: Guide for Design, Installation and Repair of ACSR Conductor Splices

This report reviews the current information relating to the design, installation, failure mechanisms, inspection, and repair practices of ACSR conductor splices/connectors in the transmission system. The information was gathered through the literature review and a survey of industry practice.Few standards describe the design and inspection requirements for ACSR conductor splices. Most utilities follow guidelines from either the conductor manufacturer or connector manufacturer to design and insta
May 1, 2012 - May 26, 2014

OTD

Research

5012: State of the Art on Diagnostic Techniques for Extruded Distribution Cables

The purpose of this project is to undertake a state-of-the-art study of the various available techniques that could be used to diagnose underground extruded cables. It is aimed at being used as a tool for the utilities in their choice of a diagnostic technique for the maintenance of their extruded cable lines.
Jan 1, 2004

DEP

Research

7042: Field Testing of High Efficiency Air Conditioning Units

Apr 13, 2011 - Dec 12, 2011

ADO

DSM

Research

3004: Prediction Of Remaining Life By The Analysis Of Oil-Soluble Compounds In Power Transformers

The first part of this study consisted in determining whether any new species originating from cellulose breakdown are present in cells that have been aged with Kraft paper at 150°C. This accelerated aging, allowed us to observe the production of over one hundred compounds. We tried to follow the progress of the most interesting species in the gaseous layer, the oil and the paper. Only the species which demonstrated fairly linear changes over time were retained.The second part of the study c
Apr 1, 2002

SE

Research

3140: Converting an AC Transmission Line to DC

The world is seeing a surge in the application of renewable energy sources (RES) such as hydro, wind, solar, and stored energy solutions. This RES penetration impacts overall grid performance due to its fluctuating nature and distance from load sources. New rights-of-way (ROWs) are highly opposed by landowners, expensive to build, and in some instances, not fully utilized due to system load flow dynamics. Transmission from RES to load centers to meet load growth is difficult within the existing
Mar 2, 2020 - Jul 22, 2020

Research

0351: Hydro Plant Operations and Maintenance Safety Improvement

The objective of this hydro plant operations and maintenance safety improvement project was to provide participating organizations with an inventory of workplace safety practices (best practices) that contribute to leading safety performance. The process used to determine best practice required compilation and comparison of injury performance data for 10 hydro operations and maintenance (O&M) organizations. This was followed by field investigations at hydro sites and maintenance work centres of
Apr 30, 2007

HPE

Research

5038: Review of Practical Field Condition Assessment Methods for Utility O/H Distribution Class Composite Mechanical Support Products

A study was undertaken to determine if there are any field inspection and/or diagnostic techniques that can be applied in the condition assessment of composite or FRP (Fiber Re-inforced Plastic) insulating materials used in the manufacture of distribution class O/H utility mechanical support products. These can include crossarms, brackets, pole top extensions, and guys. A literature review, and utility and manufacturer telephone survey was conducted as part of an initial study to investigate t
Oct 1, 2003

DEP

Research

3134: Impacts on Transmission System Operations When Integrating DER

This report documents the findings of a study analyzing the “Impacts on Transmission System Operations when Integrating DER (Distributed Energy Resources)”. It is a follow-up to a prior impact analysis report in 2017 called “Impact on Distribution Operations when Integrating DER” under the CEATI project T164700-3804.The objective of this study was to identify the major impacts on transmission grid operations when integrating distributed energy resources (DER) and determin
Jun 5, 2017 - May 25, 2018

Research

30124: CPF: Best Practice for On-site Condition Assessment of High Voltage Instrument Transformers

Aging instrument transformers can cause safety problems and may restrain power system operations. The catastrophic failure of instrument transformers could cause a widespread fault in the substation and endanger personnel working nearby. During service, high-voltage instrument transformers (HVITs) are exposed to various stresses, namely, electrical, thermal, mechanical and environmental. These stresses can cause the breakdown of the insulation system (oil and paper), which is associated with par
Mar 19, 2019 - May 30, 2019

SE

Research

3025: Improved Condition Assessment and Diagnosis of CB and LTC by Particle and Sediment Analysis

This study was undertaken to determine the merits of oil analysis for condition monitoring and diagnostics of oil circuit breakers and load tap changers. Oil samples taken from a selected number of in-service circuit breakers and load tap changers were sent to the lab for comprehensive analysis. Test results, along with equipment information, were collected into a relational database and analyzed for trends and correlations. An algorithm was developed utilizing oil test results to assign an equi
Jul 1, 2005

SE

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