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Electrical

Electrical Energy Efficiency

CASE STUDIES

Mineral Producer Installing 150 Copper-Rotor Motors Rising Energy Costs Drive Upgrades, Rapid Payback Expected
This New York State mining concern decided to fight increasing utility charges by going beyond premium motor efficiency, long before the law required the change. 150 new cast copper rotor motors are being installed in place of both NEMA Premium and EPAct-efficiency motors.
Shaw Industries Demands NEMA Premium^® Efficiency Motors for Savings, Reliability
The largest tufted broadloom carpet manufacturer knows the value of premium efficiency motors in both economics and reliability, and specifies NEMA Premium^® motors where applicable.
Bryant University Saves Energy, Cuts Costs With All-Copper Systems
This Rhode Island University counts on copper for high efficiency, reliability, and decreased maintenance. NEMA Premium^® motors are only one part of their strategy.
Transformer Manufacturer Uses Only Copper
Pennsylvania Transformer Technologies recounts the many reasons they manufacture their transformers exclusively from copper windings, including high reliability, better manufacturability, and smaller size. Choice of winding materials is a small portion of overall initial transformer cost.
Copper and Wind Energy: Partners For a Clean Environment
Austin Energy has a commitment to increase their use of renewable energy in the fuel mix, and wind energy plays a vital part. Learn how this Texas utility is controlling their dependence on fossil fuels, including a novel approach to energy storage.
Motor Upgrades Help Cut HVAC Energy Costs at Emory University
A combination of a sound motor replace/repair policy along with a sophisticated monitoring system have contributed to large operating savings at this prestigious university.
Kodak Focuses on NEMA Premium^®
Photo giant's Total Motor Program saves at least $250,000 per year by installing high efficiency motors whenever possible, irrespective of size.
Skating Arena Cuts Energy Costs with Premium-Efficiency Motors
Despite only a 28% duty cycle, new NEMA Premium^® motors paid back their purchase price in only 4 months.
Brass Mill Cuts Costs with NEMA Premium^® Motors
Outokumpu Copper Products, one of the largest brass mills in the country, adopted a motor repair/replace policy that emphasizes cost effective NEMA Premium^® motors.
Weyerhaeuser Policy Calls for Premium-Efficiency Motors and Transformers
Company-wide energy policy yields rapid payback,lower life-cycle cost, better reliability, and reduced environmental impact.
Cummins Engine Company Saves $200,000 per Year With 800 Energy- Efficient Motors
Experience shows improved motors produce huge savings and fast paybacks.
Energy-Efficient Transformer Yields 156% ROI
Furniture manufacturer realizes 7-month payback with all-copper unit.

ENERGY EFFICIENT MOTORS

The 2007 Energy Act: Good News for Motor Users
NEMA Premium® becomes the minimum efficiency standard for many motors in 2010, making the U.S. standards the highest in the world. But, perhaps you should specify NEMA Premium before then. This article discusses the Energy Independence and Security Act of 2007 and explains the sections of that Act dealing with motors.
Introduction to Premium Efficiency Motors
This article describes the several loss categories in motors, how premium efficiency motors reduce these losses, and shows several tables with purchase and operating cost comparisons, as well as paybacks available when selecting premium efficiency motors as replacements for, or in place of standard models.
MotorSlide Calculator™
Now available: A sliderule tool for quickly approximating the annual operating cost of a specifc electric motor, or for calculating the approximate annual savings possible when comparing a more efficient motor versus another, less efficient model of comparable size. The calculator also has a built-in table of NEMA Premium^® nominal efficiencies versus EPAct minimums (up to 200 hp), for quick reference.

Please call (888) 480-MOTR for a free copy (U.S. addresses only.)
Go Beyond Minimum Requirements
NEMA Premium^® Motors Mean Big Savings, Fast Payback and Higher Reliability
This article explains reasons why you want to consider Premium Efficiency Motor and contains several examples of energy and dollar savings available with NEMA Premium^® Motors.
Copper Motor Rotors
Super premium motors are now available.

COPPER BUSBAR

The Copper Busbar Sizing Guide
Sources, ampacity tables, and etc.

ENERGY EFFICIENCY ARTICLES

It's a Law of Physics: Copper Saves You Money
Advertisement on the relationship between conductor size and energy costs in electrical systems.
One Wire Size Up Means Big Savings
Installing wire only one size larger than required by code increases energy savings dramatically.
Do You Have an Energy Efficiency Story to Tell?
CDA is interested in hearing how your company has saved money by choosing copper.
A Systems Approach to Calculating Energy Savings
These pages are provided to help you calculate the best, most efficient designations for wiring, motors and transformers.

TRANSFORMERS

Temperature Rise and Transformer Efficiency
This article describes the relationship between temperature rise and transformer efficiency, expected life, overload capacity, and samples of the savings and paybacks of more efficient transformers.
Introduction to Transformer Losses
A and B values are commonly used in certain industries to describe losses in a transformer. This article explores what A and B values are, how they are calculated, and how they combine into Total Owning Cost (TOC).
Proper Transformer Sizing and Copper Windings Mean Lowest Total Owning Cost, Fastest Payback
Transformers are frequently oversized for the load impressed on them , and not used to the capabilities that were paid for. This article details how proper transformer sizing is important to economic payback, and how proper loading affects operating losses and total cost.
Transformer Life-Cycle Cost (Total Owning Cost)
This article examines the two categories of transformer losses, no-load loss and load loss, and explains the term "Total Owning Cost". Several detailed examples of total owning cost (also called life-cycle cost) are demonstrated using A and B values, actual core and coil losses in watts, and the time value of money. The TOC method described is applicable to any long-lived apparatus.
High-Efficiency Utility Transformers Mean Lowest Total Owning Cost
Economics of energy efficient utility-type transformers.
High-Efficiency Copper-Wound Transformers Save Energy and Dollars
An analysis of the often overlooked energy-efficiency qualities of dry-type transformers.

WHITE PAPERS

TRENDS in ENERGY EFFICIENCY

More Info in Cable for Telecommunications section.

IEEE Power Engineering Society Policy Statement on Energy & Environment

Upcoming Events

Electric West
Mar 18 - Mar 20, 2009
Las Vegas, NV

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Highlights

Busbar section includes AC and DC ampacity tables, mechanical properties, sources, and additional engineering information.

Learn more about Premium-Efficiency Motors & Transformers CD-ROM

Energy Efficiency Case Studies:
Furniture Manufacturer Realizes 7-month Payback With All-Copper Transformer

It’s Proven!!
Using Improved Motors Produce Huge Savings and Fast Paybacks.
Find out how...

Do You Have an Energy Efficient Story to Tell?
CDA is interested in hearing how your company has saved money by choosing copper. More info…

Order Energy Efficiency Educational and Technical Publications