James E. Timperley, P.E. serves as the moderator of the Stator Electrical Testing forum.

James E. Timperley (BSEE, 1968 Oklahoma State University) began working in the utility industry with American Electric Power in Canton, Ohio.

Mr. Timperley was involved with station engineering, establishing an electrical R&D laboratory and a large motor repair shop as well as inspecting, operating and maintaining large electrical rotating machinery.

He retired from AEP after 38 years of service and joined Doble Engineering in 2007 where he is a project engineer. Activities include upgrading and maintaining high current isolated phase bus, equipment root cause failure analysis, and the development and application of EMI Diagnostics.

Mr. Timperley has published over 75 technical papers on operating, maintaining, testing, advanced insulation materials and repairing rotating electrical machinery. He is an IEEE Life Fellow and was presented the 2006 Dakin Award by the IEEE Dielectric & Insulation Society for the development of EMI Diagnostics. He is a member of several IEEE standards groups and is a registered professional engineer in the state of Ohio.