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0527: Evaluating the Feasibility of Above-Ground Compressed Air Energy Storage (CAES)

This study explores the feasibility of a 15 MW, 120 MWh above-ground air energy storage system that could be reproduced on a modular basis from the perspectives of technological readiness, physical footprint demands, and economic viability. Both Compressed Air Energy Storage (CAES) systems and Liquid Air Energy Storage (LAES) systems are reviewed. The study analyzes the vendor landscape (six vendors were identified) by detailing the particulars of each vendor's scheme, taking into account techno

Sep 1, 2009

E&IS

Research

3126: New Capability Applications Based On Synchrophasor Measurements

Phase 1 of this project, namely the Phasor Measurement Unit (PMU) applications state-of-the art assessment, was completed and reported in August 2012. In the present report, the completed activities of Phase 2 are explained.The idea pursued in this phase is the innovative application of PMUs for generation shedding (also known as generation rejection). In other words, appropriate voltage magnitudes and angles (to be obtained from properly located PMUs) will be processed to derive the right amoun

Apr 10, 2012 - Sep 1, 2014

PSPO

Research

0148: Best Practice Guidelines for the Management of Pressure Parts in a Power Plant

This guideline starts with background knowledge such as materials and design issues, including the topic of newer materials now in use in advanced, high efficiency power plants, their fabrication and performance, damage mechanisms, Fitness-for-Service, safe remaining life and the remedial actions that may need to be taken both as short and long term measures. Damage to and failure of components can occur long before the end of their design life due to these factors. It is important for plant ope

Sep 5, 2018 - Jul 23, 2019

TGIG

Research

0245: CPF: Failure Modes Workshop

There has been increased interest in Potential Failure Mode Analyses following the methods’ failure to inform owners and regulators in ways that would have resulted in a successful intervention prior to the February 2017 Oroville dam safety incident. The purpose of this full-day workshop was to review this, and other case studies, review and discuss the strengths and weaknesses of the PFMA method in view of the findings of the Oroville incident Independent Forensic Team (IFT), and to prese

Apr 15, 2020

DSIG

Research

3303: De-Icing Techniques Before, During, and Following Ice Storms [Two Volumes]

This report presents the results of an extensive search to draw up an inventory of all existing de-icing techniques susceptible to be applied on power lines, before, during and following icing storms. The literature survey conducted covers the period of the last 40 years. Enough information on application parameters of de-icing technologies was found to identify progress directions, not only from the technical side, but also from their acceptance by managers. Line maintenance de-icing tools can

Apr 1, 2002

OTD

Research

0156: Thermal Power Plant Cycling Costs-from a Critical Component Perspective

Determining the cost of cycling has been and continues to be a much-studied subject. The data and information required to arrive at this type of information requires years of analysis and an extraordinary amount of data. The purpose of this project is to provide an approach to determining cycling costs based on most vulnerable power plant equipment. In many cases cycling damage is most sustained on specific equipment. This study will look at that equipment and based on inspections, predictive an

Aug 9, 2021

TGIG

Research

50117: A Study of Data Analysis and Modeling Tools Applied to Utility Vegetation Management Programs

Use of predictive analytics to make informed decisions is gaining traction and increasing in scope for various businesses world-wide. However, the current use of predictive modeling in the utility vegetation management (UVM) industry lags significantly behind its utilization in utility companies and a majority of businesses in general. Furthermore, electric grids are being optimized to reduce wasted electric generation by making our electricity usage more reliable and efficient. There is a prono

Apr 24, 2013 - May 23, 2014

DEP

Research

3084: Circuit Breaker/Switchgear Specification Guides

Part A.This document is issued only as a guide for use in compiling technical specifications for supply contracts for indoor and outdoor high voltage circuit breakers. This document is advisory in nature and contains example specifications for vacuum and SF6 high voltage live and dead tank circuit breakers which require verification and amendment by the user, as appropriate, in order to properly cover requirements for each specific application. Typical electrical ratings, performance and test re

May 1, 2012 - Apr 4, 2013

Research

3703: Evaluation and Comparison of Grounding Test Equipment

This report evaluates and compares ground testing equipment for grid integrity testing, soil resistivity testing, and ground grid impedance testing. Theories and techniques are discussed to provide the necessary background information for each test. Equipment is evaluated based on research, test results, and expert experience. Members can use this report as an introductory guide for selecting suitable and cost effective ground testing equipment to fit their needs. Results from an industry survey

Oct 17, 2011 - Jul 1, 2014

Research

30102A: Evaluating the Advanced Substation Monitoring Capabilities of Digital Fault Relays, Fault Recorders, Power Quality Monitors, and PMU Equipment

Substation monitoring is advancing rapidly through the use of new devices and enhanced capabilities. Many types of advanced equipment have overlapping functions for addressing utility needs. Substation measurements are critical for utilities, since monitoring equipment is typically only installed at these locations. Standard applications of this equipment include determining fault location, responding to customer complaints, power quality trending and system disturbance investigation, while more

Sep 15, 2014 - Mar 15, 2015

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