On-load tap changers (OLTC)
Check out the course brochure
Dr. Raka Levi gives the insight into on-load tap changers on three levels: basic, intermediate and master’s, all of which have their intended audience.
To know more about the entire course, see the OLTC Course Brochure.
Subscribe to the OLTC Course level which suits your needs best.
OLTC Course – e-lesson #1: On-load tap-changer basics
Join us on 21st May at 2 pm CET for the lesson #3 of the OLTC course! This e-lesson focused on reactor-type on-load tap changers,...
VIDEO | PRESENTATION
OLTC Course – e-lesson #2: Resistor type OLTC
Explaining arcing tap switch, an overview of diverter and selector, difference in various manufacturers’ designs, and a brief preview of the future sessions
VIDEO | PRESENTATION
OLTC Course – e-lesson #3 – Reactor type OLTC
This is the third e-lesson in the entire course, and the second one on the Intermediate level.
VIDEO | PRESENTATION
OLTC Course – e-lesson #4 – Testing on load tap changers
Test techniques applied to transformers with on load tap changers
VIDEO | PRESENTATION
OLTC Course – e-lesson #5 – Testing resistor type on load tap changers
Testing resistor type on load tap changers
VIDEO | PRESENTATION
OLTC Course – e-lesson #6 – Testing reactor type on load tap changers
Dynamic test techniques applied to transformers with reactor type on load tap changers
VIDEO | PRESENTATION
OLTC Course – e-lesson #7 – Analysis of OLTC test results
The first e-lesson on the Master's level of the OLTC Course!
VIDEO | PRESENTATION
OLTC Course – e-lesson #8 – Special cases of OLTC testing
Eighth lesson of the OLTC Course is the second lesson on the Master's level, as well as the final lesson of the entire course
VIDEO | PRESENTATION
OLTC Course – e-lesson #1: On-load tap-changer basics
Join us on 21st May at 2 pm CET for the lesson #3 of the OLTC course! This e-lesson focused on reactor-type on-load tap changers,...
VIDEO | PRESENTATION
OLTC Course – e-lesson #2: Resistor type OLTC
Explaining arcing tap switch, an overview of diverter and selector, difference in various manufacturers’ designs, and a brief preview of the future sessions
VIDEO | PRESENTATION
OLTC Course – e-lesson #3 – Reactor type OLTC
This is the third e-lesson in the entire course, and the second one on the Intermediate level.
VIDEO | PRESENTATION
OLTC Course – e-lesson #4 – Testing on load tap changers
Test techniques applied to transformers with on load tap changers
VIDEO | PRESENTATION
OLTC Course – e-lesson #5 – Testing resistor type on load tap changers
Testing resistor type on load tap changers
VIDEO | PRESENTATION
OLTC Course – e-lesson #6 – Testing reactor type on load tap changers
Dynamic test techniques applied to transformers with reactor type on load tap changers
VIDEO | PRESENTATION
OLTC Course – e-lesson #7 – Analysis of OLTC test results
The first e-lesson on the Master's level of the OLTC Course!
VIDEO | PRESENTATION
OLTC Course – e-lesson #8 – Special cases of OLTC testing
Eighth lesson of the OLTC Course is the second lesson on the Master's level, as well as the final lesson of the entire course
VIDEO | PRESENTATIONWe collaborate with leading companies
About the author
Raka Levi
Dr. Levi spent his entire career in diagnostic testing transformers and other substation apparatus, while the last 15 years dealing with tap changers. He is senior member IEEE and vice-chairman of the working group for revision of Guide for testing power transformers. Raka Levi consulted clients on all 5 continents in the field of condition assessment and substation monitoring.