Printed version of the OLTC Dynamic Testing Guide book is now available!

Our readers have expressed great interest in buying a printed version of the OLTC Dynamic Testing Guide. We are pleased to announce that the book is now available in both digital and printed form!


OLTC Dynamic Testing Guide incorporates Dr. Raka Levi’s knowledge and experience collected throughout his professional career and offers a unique source of practical cases with relevant explanations for everyone craving deeper understanding of the OLTC technologies. The book’s outstanding value will most certainly contribute to creating more effective case studies, and help users improve result interpretation.

Don’t miss out on this limited opportunity and order now!


Dr. Raka Levi is an electrical power engineer with over 30 years of technical experience in the field of asset management, condition assessment, power instrumentation, diagnostics and monitoring, tap-changer testing and consulting services.

He is the director of Levico, Inc., a consulting company in the USA.

During his career, he has operated from offices in Boston (USA), Belgrade (Serbia), Barcelona and Madrid (Spain) and provided customized services to clients on all continents as an expert and consultant to test equipment manufacturing companies.

He has recently conducted the live OLTC Course at the Transformers Academy, which is still available on demand.