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Ralph Edward Fehr, III, Ph.D., PE
Electrical Engineer


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PDHonline Course Provider Biography

Dr. Fehr holds BS, ME, and Ph.D. degrees in Electrical Engineering. He has worked for over 20 years in the electric power industry. His areas of expertise includes power systems, particularly fault analysis (symmetrical components, short circuit calculations, and protective device selection/coordination), raceway design (conduit and cable trays), and power quality. He is a registered professional engineer and a member of several engineering societies including Institute of Electrical and Electronics Engineers. Dr. Fehr has an extensive teaching background and has written a textbook in the engineering field.


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Course No. Courses Provided by Ralph Fehr, Ph.D., PE and John Huang, PE PDH Units Current Price Buy Quiz
E622 Conduit System Design 4 $119 Buy Quiz
E622T Conduit System Design (Timed & Monitored) 4 $119 Buy Quiz
E650 Understanding Three-Phase Transformers 4 $119 Buy Quiz
E651 Short Circuit Current Calculations Using Symmetrical Components 8 $199 Buy Quiz
E651T Short Circuit Current Calculations Using Symmetrical Components (Timed & Monitored) 8 $199 Buy Quiz
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