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7044: Refrigeration Systems Reference Guide

This guide is aimed at helping you implement energy efficiency methods and practices involving refrigeration systems at your location. The main emphasis is on small to medium systems that operate with refrigerants other than ammonia.It is common for small- and medium-sized businesses to have piecemeal refrigeration components installed and operating. The guide will also help you to make informed decisions about operating, maintaining or modifying your existing refrigeration system or configurati

May 4, 2009 - Nov 8, 2010

ADO

DSM

Research

3334: Technology Watch on Lightning Phenomena

Engineers understood the main concepts of lightning protection well before electric power systems were practical, and applied these concepts successfully to prevent damage on telegraph lines in the mid 1850s. These concepts of interception and diversion to ground have also served the electrical power engineer well. However, lightning still affects different parts of the power system and causes a wide spectrum of problems, ranging from brief voltage sags, blown fuses, damaged insulation to widesp

Sep 1, 2006

OTD

Research

30108: Specification Guide for Medium & High Voltage Disconnect and Ground Switches

This document serves as a guide for selecting and compiling comprehensive technical specification requirements for disconnect and ground switches rated from 5kV to 800kV that are generally used in air insulated substations. Typical electrical ratings, performance, and test requirements are covered with considerations for operational, environmental, and safety features. Guides for preparing a Detailed Rating Specification, and a Form of Tender are also provided. A summary of the primary reference

Aug 13, 2015 - Jun 8, 2016

Research

0233: Development of Standardized Inundation Maps Produced using Geographic Information Systems (GIS)

CEATI’s Dam Safety Interest Group (DSIG) outlined a variety of needs in the field of Emergency Management. One area of particular interest was the technological advances in developing inundation maps for dam breach and other extreme hydrologic events. The presentation and application of the GIS based inundation maps vary considerably, and the purpose of this study is to develop a standardized practice for the dam owners. This will benefit the downstream response age

Dec 4, 2012 - Feb 21, 2014

DSIG

Research

3705A: Grounding System Maintenance Guide

Grounding systems are crucially important components of any power supply system because they impact public and employee safety, supply system reliability, power quality and life expectancy of power equipment. This report provides guidelines for maintenance of different components of grounding systems, from simple grounding systems such as a single ground rod to the complex grounding systems employed in large substations. Grounding systems with both primary electrodes and auxiliary electrodes are

May 23, 2014

Research

3020: Safety Protocol for Restoration of Substations Involved with Fires/Explosions

In the event of a fire or explosion, some materials typically found in substations may form hazardous by-products. This report identifies these materials and presents a safety protocol for the sampling and cleanup of the atmosphere, equipment and debris following a fire or explosion in a substation. This safety protocol may be used by electrical utilities as a guide in the development of their own secondary response plans and procedures.Keywords: Substation, fire, explosion, safety, toxic, decon

Nov 1, 2004

Research

3710: Review of Distribution System Grounding Practices and Rules

Distribution systems have faced substantive and significant changes over recent years as a result of an increase in non-linear loads, the connection of distributed generation, a growing mindfulness for the protection of dairy animals against stray voltages, as well as the need to improve efficiencies and controllability. In response, designers are making changes to topologies, adding new protection and control devices, increasing distribution voltage levels, and paying more attention to neutral

Jun 3, 2014 - Jan 20, 2016

DEP

Research

0125: Damage to Conventional Power Plants Due to Cyclic Operation and Guidelines for Best Practices

The study is intended to provide information and data, both technical and financial, on the effect of two shift operation on key items of plant equipment, in a typical range of plant built between 1965 and the present. The purpose of the study is: a) To highlight the main factors that increase the operations and maintenance (O&M) costs with a view to discussing the feasibility of technical and management palliatives required to minimise or control such costs.b) To increase plant availabilityc)

Jan 2, 2008 - Apr 1, 2009

TGIG

Research

5125: Factors Affecting High Grade Power Costs

The traditional electricity structure provides a baseline (or normal) level of power quality that isprovided to all customers using “good utility practice” at the regulated rate. In the competitiveelectricity market, the utility may consider offering special levels of power quality to particularindividual customers with critical power needs and sensitive equipment in return for a pricepremium. While customer‐side solutions are available, the customer may prefer a utility‐sidesolution

Dec 1, 2005

Research

30140: Enhancing End-of-Life Assessment of Power Transformers

This report summarizes the main findings from available literature and subject matter expert feedback regarding health condition and end-of-life metrics for power transformers. The transformer itself (i.e., windings and tank) has several properties that can be used to assess its current health and estimate its remaining life. However, other components and accessories that are directly attached to the transformer are just as important to assess as part of the transformer’s health and life expecta

Jun 25, 2020 - Oct 12, 2023

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