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5143B-15: ASD Nuisance Tripping Case Study

ABSTRACT: Power quality problems related to utility capacitor bank switching include customer equipment damage or failure, nuisance tripping of adjustable-speed drives or other process equipment, transient voltage surge suppressor failure, and computer network problems. This case highlights several of the more common power quality problems associated with the application of utility distribution system capacitor banks. The frequent switching of capacitor banks, coupled with the increasing ap

Mar 1, 2010

Research

3306: Investigation of the Differences in the Application of the Canadian and U.S. Methodology for Estimates of Ice Loads for a 50-yr Return Period

A concern of utilities in the United States and Canada is the discontinuity in 50-yr return period ice loads between the Canadian CSA map and the map for the United States in the ASCE 7 Standard. The purpose of this study by the Cold Regions Research and Engineering Laboratory (CRREL) and Environment Canada (EC) is to investigate the differences at the common border. The study area extends from eastern Michigan and northwest Ohio, across Ontario, and into western New York. This report explains t

Jun 1, 2002

OTD

Research

33142: Evaluation of NDE of Wood Poles

The objective of this project is to prepare a state of the art report for evaluating in-service wood pole strength data based on non-destructive tests (NDE). The study should evaluate all NDE tools available in the market place and their effectiveness, in the use of in-service pole conditions particularly, validating field assessments and measurements by actual pole bending test data that are available in open literature or manufacturer’s own database. In addition, the study should address the a

Oct 23, 2020

OTD

Research

0374: CPF: Asset Management Maturity Matrix

This worksheet is designed to evaluate compliance to the ISO 55000: 2014 standards on Asset Management. Compliance to an ISO standard requires all program elements specified be implemented to a sufficient level to get the benefits standardization brings.Scoring using this maturity matrix has been developed on a scale of maturity from 1 to 5. Every element or sub-element needs to be implemented for the benefits of the standard to be achieved. Using this compliance approach leads to having all the

May 12, 2014 - Jan 22, 2015

Research

0432: CPF: Review and Recommendation of Hydrologic Forecast Verification Strategies and Methods

This report has two parts. The first contains the review component of the “Review and Recommendation of Hydrologic Forecast Verification Strategies and Methods” project. The objective is to review available and emerging verification techniques, metrics, frameworks, software tools, and systems (both pre-operational and operational) in order to establish guidance and best practices for hydrologic forecast verification. Included is a review of verification theory, verification metrics,

Jan 2, 2019 - Apr 17, 2020

Research

3053: Substation Equipment Failure/Save Database

The objective of this database is to share information and make participating utilities aware of problems encountered by others so that they may take remedial actions on their own equipment before failures occur. For failures this will include identifying the equipment, failure modes, root causes and remedial actions to prevent future failures. For saves it will include identifying the equipment, detection of the problem and remedial actions to be taken to prevent failures and for avoidance of

Jul 1, 2009

Research

7010: Daylight Harvesting Pilot Tests Using a Variety of Daylighting Systems and Dimmable Electronic Ballast Technology

The objective of this project was to evaluate the performance of several daylighting systems and daylight harvesting strategies. The daylighting systems use various kinds of refraction and diffusion lenses to spread the light evenly into an indoor area. The daylight harvesting systems turn off the lights or dim them in response to the increased levels of natural light. This study focuses only on overhead roof penetration systems and the technologies available to provide daylight harvesting throu

Jan 1, 2008

ADO

DSM

Research

30119: Guide to Developing Utility Asset Management Plans for Each Asset

This report details a step-by-step guide that can be used by utilities to develop asset management plans for each asset – including the minimum requirements for an asset management plan and guidance to develop the best-in-class asset management plan for each asset. This report focuses on substation equipment but the techniques discussed herein can be applied to other assets managed by electric utilities. The broader principles can be applied to any physical assets requiring management. The

May 2, 2017 - Feb 15, 2019

Research

3716: Personal Protection Grounding Reference Guide

Personal protective grounding practices can vary from one utility to the next. Practices could includeterms such as grounding both sides, bracket grounding, equipotential bonding and single pointgrounding. The use of equipotential bonding is often plagued by inconsistencies and a lack of acceptance and may not be as practiced in Transmission as in Distribution work. Utility standard operating procedures may allow for more than one grounding method, such as: “Grounding between the work area

Jun 22, 2015 - Aug 17, 2016

Research

50129: Cable Rejuvenation Practices

Cable rejuvenation technology is an alternative to traditional cable asset management measures, such as full, targeted, or partial cable system replacement; preventative maintenance; or ‘do nothing’ options. It involves the pressurized injection of a multi-ingredient organosilane-based fluid into stranded power cable, followed by pressurized diffusion of the fluid throughout the cable’s insulation. The fluids then react with and remove adventitious water in the insulation, ther

Apr 28, 2015 - Oct 6, 2017

DEP

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