Up Time Magazine - February/March 2009 - (Page 41) erate the machine at a steady speed either on a dynamometer or flat stretch of road is required. As with industrial machinery, the usefulness of the data for analysis is dependent upon the information provided on the electric machine and the components attached to it. However, we now Figure 11 - Variable Speed High Frequency know that it is feasible for purposes of Conclusion research and servicing of modern hybrid and The use of the ESA/MCSA data collector electric vehicles. provides an excellent view as to the condition of the electric motors and transmission Howard W Penrose, Ph.D., CMRP is the in the two-mode hybrid Tahoe. The initial President of SUCCESS by DESIGN® Reliconcerns about whether or not data could ability Services and Publishing, President be collected and in a non-intrusive manner, of AllAmericanHybrid.com™, Editor in Chief were resolved through the use of the ATPOL of the Institute of Electrical and Electronics II Bluetooth data collector and the collection Engineers, Inc. Dielectrics and Electrical Inof useful data. Challenges, such as the abil- sulation Society (IEEE-DEIS) Web and eZine, ity to watch real-time data for collection do and the Founding Executive Director of the need to be overcome and the ability to op- Institute of Electrical Motor Diagnostics, Figure 12 - Variable Speed Harmonics Inc. He is a member of the National Writers Union (UAW Local 1981) and International Federation of Journalists and author of such books as “Physical Asset Management for the Executive – Caution: Do Not Read This on an Airplane,” and, “Electrical Motor Diagnostics: 2nd Edition.” For more information, please feel free to contact Dr. Penrose at howard@motordoc.com. www.uptimemagazine.com 41 http://www.AllAmericanHybrid.com http://www.uptimemagazine.com
For optimal viewing of this digital publication, please enable JavaScript and then refresh the page. If you would like to try to load the digital publication without using Flash Player detection, please click here.