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Electrical: Power Quality

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Are You Ready for the Electrical Needs of Today and Tomorrow?

A6006


Offers a quick primer on the symptoms of power quality problems (most originate within the building). Lists recommended solutions for commercial, industrial and institutional facilities.
(4 pgs.) 1 free (add’l $0.25 ea)

Beating Power Quality Problems

A6028


Second of a two-part series (see A6029), this article focuses on specific wiring and grounding recommendations that can prevent or alleviate most power quality abnormalities. Issues discussed include handling of harmonics, general circuit wiring, isolated grounding, grounding conductors, ground rings, lightning protection. Reprint, Energy User News, January 1999.
(4 pgs.) 1 free (add’l $0.25 ea)

Clean and Constant: The Basics of Power Quality

A6029


First of a two-part series (see A6028) on a basic examination of the definitions, causes and cures of most power quality problems. This article outlines the nature of the problems that might be encountered and the types of sensitive equipment that might be susceptible. Reprint, Energy User News, November 1998.
(4 pgs.) 1 free (add’l $0.25 ea)

Fundamentals of Power Harmonics - VIDEO

A6004


Discusses the sources of harmonics, interpretation of harmonic signatures, how to perform a site survey, and steps to mitigate power quality problems. Produced in cooperation with the Fluke Corporation.
(26 min.) (NTSC) $10.00

The Importance of Power Quality to the Future Use of Copper Building Wire

A6021


This paper, presented at Wire & Cable Focus '97, discusses the current usage intensity of copper building wire. Importantly, it identifies solutions to specific problems associated with poor power quality that dictate greater copper consumption in the years ahead.
1 free (add’l $0.25 ea)

Power Quality – CD-ROM

A6027


Videos, articles and diagrams leading to an understanding of important power quality issues, including adequate wiring, exterior and interior grounding, harmonics, lightning protection and power conditioning. Suggests techniques to alleviate power quality problems with computers and other sensitive electronic equipment.
1 free (add’l $2.00 ea)

Power Quality Issues and Recommendations and
An Abbreviated Bibliography of Power Quality Information Sources

A6016


Lists 13 recommended practices and procedures to help ensure power quality in all kinds of buildings. Also includes a list of nine of the most useful and widely available sources on power quality issues.
(2 pgs.) 1 free (add’l $0.25 ea)

A Primer on Power Quality

A6018


Provides electricians, engineers, designers and facility managers with a thorough "grounding" in what power quality is. Identifies the problems associated with poor quality in today's commercial/industrial environments and recommends wiring and grounding techniques and practices that should be part of the design of new or renovated structures.
(8 pgs.) 1 free (add’l $0.25 ea)

Wiring for the Office of the Future

A6025


The Sacramento Municipal Utility District implemented its own advice on how to upgrade building wiring in its new customer services building. Nine key design elements were employed to tame harmonic voltages, handle today’s electronic equipment and enable expansion flexibility. The approach was retrofitted to SMUD’s existing headquarters. Reprint, Buildings, October 1998.
(4 pgs.) 1 free (add’l $0.25 ea)


Power Quality Case Studies:

All-Copper Electrical & Grounding Systems Ensure Reliability at First Data Teleservices

A6031


How growing business voulume led to a decision to upgrade the center's electrical systems with high-quality copper grounding for added reliability, lightning protection and improved power quality. Points out the value of thinking "beyond the Code."
(6 pgs.) 1 free (add’l $0.25 ea)

All-Copper Grounding Network Ensures Reliability at Satellite Communications Station

A6069


Only a robust, low-resistance copper grounding system is sufficient to protect the largest array of satellite communications antennas in the Western Hemisphere.
(6 pgs.) 1 free (add’l $0.25 ea)

All-Copper Grounding Systems End Million Dollar Losses at Emergency Response System

A6088


Florida’s “Lightning Alley” wreaked havoc on Orange County’s critical 911 operations for more than 10 years. See the details of a new, system-wide replacement and upgrade of the system’s grounding and lightning protection. It’s enabling trouble-free, reliable service that save lives and saves substantial tax dollars, too.
(6 pgs.) 1 free (add’l $0.25 ea)

Allegheny Power Insists On Copper For Substation Transformers

A6110


Utility transformers are big and expensive, and reliable service to customers is a paramount consideration. That's why copper windings are so important, and a relatively insignificant cost factor in the overall buying decision. This story discusses Allegheny's reasoning, and why they always specify copper.
(4 pgs.) 1 free (add’l $0.25 ea)

Copper-Based Grounding System Ends Lightning Damage at Florida Resort

A6054


Following major damage from lightning at a Florida resort, the investment of $3,500 in a copper grounding system upgrade is now successfully protecting $1.5 million in electronic equipment.
(6 pgs.) 1 free (add’l $0.25 ea)

Copper Checks in @ Internet Hotel

A6093


In a building designed to accommodate high-tech companies, power quality considerations play a key role. This article describes one such building in Phoenix, Arizona, and the wiring, grounding, and protection infrastructure that ensures power reliability. Although designed for internet firms, the techniques this building employed are suitable to every sensitive installation.
(6 pgs.) 1 free (add’l $0.25 ea)

Copper Corrects Power Quality Problems in Columbus, Ohio, High-Rise Office Tower

A6095


False economies in original construction, including aluminum feeders, led to numerous, hard to solve power quality problems for this otherwise-modern high-rise office building. Among the changes were a switch to copper feeders, which solved power quality problems and provided for additional capacity.
(4 pgs.) 1 free (add’l $0.25 ea)

Copper Grounding System Protects Mt. Washington Towers

A6024


Mitigating lightning strikes and other static discharges was necessary to protect millions of dollars in electronic equipment for this broadcasting operation. A new, robust grounding system was installed at a cost far less than for the repair of annual equipment damages. The system has performed flawlessly for more than five years.
(4 pgs.) 1 free (add’l $0.25 ea)

Copper Protects MIT Computer Center

A6111


This world-famous university takes quality power seriously, and makes robust electrical design one of their priorities when constructing new facilities. This case history describes one such building on campus, the eye-catching Stata Center, and the "above minimum" design elements used to ensure power reliability and long term capacity.
(4 pgs.) 1 free (add’l $0.25 ea)

Florida Credit Union Data Center Shrugs Off Direct Lightning Hit

A6071


Shows the degree of protection afforded a major Florida bank by a solidcopper grounding system and multiple levels of surge protection, even when subjected to a direct lightning strike.
(6 pgs.) 1 free (add’l $0.25 ea)

Florida 911 Center Upgrades Lightning Protection System for Maximum Safety

A6053


Located in “lightning alley” in Central Florida, this emergency communications center and its adjoining tower were extensively retrofitted to provide sufficient protection for lightning and other power surges.
(6 pgs.) 1 free (add’l $0.25 ea)

New Ground System Ends Lightning-Caused Outages at 100-kW FM Station

A6082


A6082 Lightning strikes in “Tornado Alley” regularly took this Nebraska radio station off the air and severly damaged transmitter and HVAC equipment, until they installed a total grounding system upgrade. The simple low-cost system is described in detail. The results have been 24/7 reliability and no equipment damage, despite even a powerful strike that burned through a ground strap at the top of the antenna tower.
(6 pgs.) 1 free (add’l $0.25 ea)

Networked Machine Shop/Manufacturing Plant Learns the Value of Grounding

A6044


Shows how proper grounding helped one company overcome years of bad advice to realize the full value of its networked CNC-CAD/CAM systems. Points out how grounding can tame network signal noise and it's associated problems.
(6 pgs.) 1 free (add’l $0.25 ea)

New Rules and Copper Conductors Help Upgrade a 20-Year-Old Electrical System

A6023


Power quality problems are widespread and growing worse as new businesses occupy older commercial buildings. This case study shows how one data-processing firm overcame a host of typical, disruptive problems and revamped their power distribution system to ensure reliability and productivity.
(4 pgs.) 1 free (add’l $0.25 ea)

Power Quality Gets Top Grades at Business-Oriented University

A6012

  
Copper conductors, attention to harmonics, limiting outlets per circuit and separation of sensitive loads are among the steps Bryant University takes to ensure reliability of service and equipment. This case history describes in detail the “beyond code” design considerations for quality power at this computer-intensive university.
(4 pgs.) 1 free (add’l $0.25 ea)

Proper Copper Grounding System Stops Lightning Damage at Nebraska FM Station

A6032


Reveals how safety, power quality and communications improve with low-resistance copper grounding. Identifies often-overlooked target areas of concern and corrects some misunderstood concepts.
(6 pgs.) 1 free (add’l $0.25 ea)

Two Miles of Copper Grounding Saves Big Money, Improves Safety on New Mexico Ski Lift

A6081


Power quality issues aren’t confined to computers and sensitive electronics. Big, sprawling motor-driven operations like this ski lift are heavily impacted, too. Read how installing transient voltage protection and one of the North America’s most extensive copperbased grounding systems restored dependable operation and profits at this rugged business environment.
(6 pgs.) 1 free (add’l $0.25 ea)

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