Electrical Apparatus, March 2014

Electrical Apparatus, March 2014

Featured Articles

Hydropower service, featured in the March 2014 Electrical Apparatu

A Jay Electric employee stands inside a Westinghouse 2,750 kVA hydro stator during rewind on site. A
full-scale upgrade includes analysis of turbine rotor wheels, the rotor shaft, the rotating field poles, and
the stator along with the controls. —Photo by Chase Fell, Jay Electric

Repair Operations – Hydropower: the sleeping giant. Although barriers to entry in the market exist, opportunities for electromechanical service firms may present themselves   By Joseph S. Hoff, EA Associate Editor

Motor thermal models, featured in the March 2014 Electrical Apparatus

Technician adjusting the slip ring assembly being used at the factory to provide measured temperatures during acceleration of a motor large enough to accommodate rotor bar temperature sensors. —Electrical Apparatus file photo

Motor Performance – Motor thermal models can be confusing: The mathematics, while straightforward, may not match actual conditions (Read an online summary)
By Richard L. Nailen, P.E., EA Contributing Editor

The hazards of cleaning solvents, featured in the March 2014 Electrical Apparatus

This photo shows how not to wash parts. When washing parts, whether in tanks or otherwise, workers need to use proper personal protective equipment, which may include goggles or a face shield, chemical resistant aprons, and gloves with sleeves. Gasoline, fuel oil, kerosene, and other chemicals not formulated for the purpose should never be used as cleaning solvents. —Thor Jorgen Udvang/Shutterstock photo

Safety & Health – Hazards that come with cleaning: Follow these safety measures when washing parts with solvents.   By Joseph S. Hoff, EA Associate Editor

Accounting – Saving money in operations:   Small tweaks that can significantly boost the bottom line   By William H. Wiersema, CPA, EA Contributing Editor
Fast Forward – Data Exchange: Engineers may want to check out a file form geared specifically to them   By Bill O’Leary, EA Associate Editor
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Departments and Columns

Publisher’s Comment   In this issue: The pros and cons of hydropower repair …Motor thermal models and math …Cutting costs, saving money …Thank you for kind words …Elsie Dickson
Let’s Solve Your Problem  In this issue:  What’s causing vertical motor vibration? …What is meant by ‘per unit’ calculations? …How is resistance to weather defined? …Space heaters not needed with today’s insulation? …How common is resistor starting? …‘Stiff’ or ‘resilient’ base for vibration tests? …Edited by the EA staff
Lafert receives green building award, featured in March 2014 Electrical Apparatus

Lafert North America’s High Performance Metric Motors won first place in the Green Building category in the annual AHR Innovation Awards Competition during the AHR Expo in New York Jan. 22. The AHR competition is sponsored by ASHRAE, the Air-Conditioning, Heating, and Refrigeration Institute, and the International Exposition Co. Sean Hickey (center), president of Lafert NA, accepted the Innovation Award, which had been selected by a panel of industry professionals with expertise in the HVACR industry. Presenting the award were Bill Bahnfleth (left), president of ASHRAE, and Bob McDonough (right), chairman of the Air-Conditioning, Heating, and Refrigeration Institute. —Lafert NA photo

Business briefs –  In this issue: EIS acquires wire and cable distributor Electro-Wire, Inc…. Koontz-Wagner Services of Indiana is sold to Kestrel Capital Group of Chicago… Regal Beloit buys vapor recovery specialist Hy-Bon Engineering… Motion Industries completes Canada acquisition of Commercial Solutions, Inc…. Houghton Int’l earns ISO 14001 certification… Lafert wins green building Innovation Award (pictured, left) … Eaton expanding three Milwaukee-area plants with help from Wisconsin Economic Development Corp. … Toshiba joins Next Generation Power Electronics Manufacturing Innovation Institute semiconductor R&D group… Rockwell in $3 million SmartCloud investment … A.O. Smith posted record sales in 2013 … Emerson sees steady first-quarter sales

Associations, societies & government activities   In this issue:  Professional Electrical Apparatus Recyclers League to hold Phoenix conference in May – see www.pearl1.org  … NEMA backs grid expansion legislation… Hydraulic Institute enters training partnership with pump manufacturer Grundfos USA… National Association of Electrical Distributors recognizes Siemens for education support … New UL safety programs to ease smart meter adoption… Air-Conditioning, Heating, and Refrigeration Institute earns Canadian accreditation from the Standards Council of Canada… National Electrical Contractors Association adds British Columbia chapter… Electrical Apparatus Service Association plans to conduct bimonthly online surveys… National Fire Protection Association announces National Electrical Code.Challenge winner Derek Vigstol of Princeton, MN … International Electrotechnical Commission seeks young tech pros for international IEC Young Professionals 2014 Workshop… American Society of Safety Engineers to host first India safety conference – see www.safetyindia2014.org . Edited by Kevin Jones
EMBR Update  – Updates to the ElectroMechanical Bench Reference 2014, the annual buyers’ guide supplement to the December 2013 issue of Electrical Apparatus.  
Educating innovative leaders at the Univerity of Florida, featured in the Electrical Apparatu

Erik Sander, far right, moderates a panel discussion entitled “Building the Student Innovator Ecosystem” at the 2013 Gator Engineering Innovation Summit. Also pictured, from left to right, are: Amir Rubin, Augi Lye, David Flores, and Trevor Abbott. —University of Florida photo

Engineering Education – Creating innovative leaders at the University of Florida   By Josh Hoff

Standards   New datacom cable standard issued by NEMA … Transfer switch requirements updated by Underwriters Laboratories…  Edited by the EA staff
Calendar briefs  In every issue and updated on the web. See our online calendar for current offerings.
EA reader  at Ease  Mike Morrone, a manager at Soles Electric Co., Inc., in Fairmont, W.Va., coaches the girls’ basketball team at Fairmont Senior High School in Fairmont, W.Va., By Joseph Hoff
Scott Harrison of Rea Magnet Wire Co., featured in the March 2014 Electrical ApparatusScott Harrison
The MTConnect Institute’s Thomas Kurfess, featured in the March 2014 Electrical Apparatus
Thomas Kurfess
Names & faces In this issue:  Scott Harrison of Rea Magnet Wire Co.. Eran Rosenzweig of Kencoil … The MTConnect Institute’s Courtney Hill, David A. Edstrom, Scott Hibbard, Thomas Kurfess, and Paul Warndorf … The National Electrical Manufacturers Association’s Christopher B. Curtis, Mark Bulanda, Donald Fowler, Daniel Jones, Philip Mezey, and David Nord… SL Power Electronics’ Timothy F. Croal … The National Fire Protection Association’s Jim Pauley and James M. Shannon…
Edited by Bill O’Leary
Kenneth Wayne (Kenny) Ullrich, founder and owner of Electric Motor Service LLC, featured in the March 2014 Electrical ApparatusKenny Ullrich
.Greg “Slim” Smith, owner of S&G Electric Motor Repair, Inc., Blackfoot, Idaho , featured in the March 2014 Electrical Apparatus
Deaths   In this issue: Kenneth Wayne (Kenny) Ullrich, founder and owner of Electric Motor Service LLC …Greg “Slim” Smith, owner of S&G Electric Motor Repair, Inc., Blackfoot, Idaho …
Edited by Josh HoffThomas Kurfess
Training Briefs   Announcements of workshops, seminars and instructional materials, in every issue and updated on the web. In this issue – Induction Machine Design  – March 12-14, 2014 at Sheraton Sand Key, 1160 Gulf Blvd., Clearwater Beach, Fla. 33767 A three day course covering how to design induction motors and generators, induction machine stator and rotor options, choosing core steel materials, nonlinear magnetic analysis, how to achieve performance specs, choosing poles and slot combination, coil design principles, computer models and using them to evaluate options, how to maximize efficiency or power density, testing and measurement methods, and the role of FEA and CAE software Offered by: Advanced MotorTech LLC, 4951 71st Ave. N., Pinellas Park, Fla. 33781; (727) 412-8200; www.advancedmotortech.com  ….  Motor & Generator Rewinding   – July 15-1, 2014, at TECO-Westinghouse facilities, Round Rock, Tex.,    Attendees will learn basic motor theory, rewind specs, insulation systems, coil design, windings, bearings, maintenance, testing, repairs, case studies, quality. Offered by: EPRI, TECO-Westinghouse Contact Jarsco Engineering, 18901 State St., Corona, Calif. 92881; (951) 735-5239. …Also- Smartforce Student Summit to be held at Chicago International Manufacturing Technology Show (IMTS) …International Society of Automation (ISA) to conduct four “highly intensive” technical training events in Denver, Colo.; Houston, Tex.; and Carson, Calif., See www.isa.org/PR14/TrainingCamp
Direct and Current  In this issue: Power transmission distributors more optimistic . .. Manufacturing technology ends 2013 strongly… Energy Dept. pledges $7 million against power outages… European industrial production dips slightly… Solar industry employment grows… …    from The Editors of Electrical Apparatus.
And, in every issue:  Classified Advertising (Equipment, jobs, businesses for sale, business opportunities and services), Advertising Index, and your favorite cartoons, Motorhead and Generatorhead (illustrated by Mark Ziemann) and Cy’s Super Service (illustrated by James Estes)!
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