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Electrical Apparatus
The Magazine of Electrical &
Electronic Application & Maintenance

August 2005 

Below are listed featured articles from the August 2005 issue, Vol. 58, no. 8 © 2005 Barks Publications, Inc. ... see also August 2005 departments and columns and Previous issues.

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• 21st Century service in a 19th Century landmark   Featuring Michigan Industrial Controls, Port Huron, Michigan, readers learn how Thomas Edison's boyhood town has become a home to solid-state electronics service. Technicians at MIC have been servicing uninterruptible power supply systems since 1986. The company offers a range of services, from minor repairs to complete new system design and turnkey start ups. This editorial feature will be of special interest to EA readers who work with repairs or upgrading of a-c and d-c electronic drive systems in industrial machinery

  
  By Richard L. Nailen, P.E., EA Engineering Editor

• Service increasingly mechanical and on-site
  The August EA includes our post EASA show report from the Nashville convention, which stressed non conventional, emerging sources of revenue and ways to improve customer service and profitability. Our extensive coverage includes exhibit floor photos, first-hand seminar reports, comments from attendees, and special insights from Engineering Editor Richard L. Nailen.

  
  With contributions from Richard Nailen, Jane Powell Campbell, Elizabeth Van Ness and Kevin Jones

• Choosing the right insulation test Why the type of test employed depends on the use to which the insulation will be put. Maintenance electricians, troubleshooters, engineers, or service center personnel who need to diagnose the insulation condition of large rotating machines will learn much from this technical article. Evaluating the integrity of a motor or generator insulation system requires several different tests. The effects of moisture or chemical contamination; the quality of an impregnation process; and the presence of air voids within the insulation wall must all be accounted for. Whereas insulation resistance testing alone is sufficient for many windings, testing the power factor of insulation is useful at the higher voltages when voids may be the principal defect rather than moisture or contamination. (Read an online summary.)

  
  By Richard L. Nailen, P.E., EA Engineering Editor

• Standards for service quality How to establish benchmarks in an electromechanical service setting

  By William H. Wiersema, CPA, EA Contributing Editor

• Welders require protection from head to toe   Every job needs complete protective equipment.
  By Richard B. Elsberry, EA Contributing Editor 

See also August 2005's Departments, columns