This is a transformers course based on 47 years of experience in transformers design, production, tests, protection, manufacturing machines, components marketing, and factory management.
The program contains state-of-the-art information about the core and coil manufacturing media, renewable energy transformer applications, digital and smart transformer characteristics, monitoring and control, fuse protection of oil-immersed transformers, high temperature solid and liquid insulations, including ester oils.
The course is intended for transformer manufacturers, repair shops, utility engineers, people involved in transformer monitoring and control, people producing transformer components who want to understand transformer operation.
To know more, see the course brochure here. Then you can select the level which suits your needs best.
Live and on demand lessons are fully vendor agnostic but they are sponsored by The H-J Family of Companies.

ENG – Introduction to transformers – e-lesson #1: History of transformers and introduction to the content of the course
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #2: The basics of transformers
This is the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo.
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #3: The magnetic circuit
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #3, PART II: The magnetic circuit
This is the fourth lesson of the Introduction to transformers course by Mr Orlando Giraldo, part II of The magnetic circuit lesson.
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #4: Equivalent circuit of a transformer
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #5: Operating characteristics of transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #5 pt II: Operating characteristics of transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #6: Windings and insulation system in the transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #6 pt II: Windings and insulation system in the transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #7: Temperature and load-ability of transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #1: History of transformers and introduction to the content of the course
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #2: The basics of transformers
This is the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo.
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #3: The magnetic circuit
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #3, PART II: The magnetic circuit
This is the fourth lesson of the Introduction to transformers course by Mr Orlando Giraldo, part II of The magnetic circuit lesson.
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #4: Equivalent circuit of a transformer
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #5: Operating characteristics of transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #5 pt II: Operating characteristics of transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #6: Windings and insulation system in the transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #6 pt II: Windings and insulation system in the transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATION
ENG – Introduction to transformers – e-lesson #7: Temperature and load-ability of transformers
Join us for the second lesson of the Basic level of the Introduction to transformers course by Mr Orlando Giraldo. This transformer lesson provided an...
VIDEO | PRESENTATIONAbout the author

Orlando Giraldo
Orlando Giraldo has acquired the title of electrical engineer from the Technological University of Pereira, Colombia, and finance specialist from the EAFIT University. He has worked for over 46 years of at different positions in the transformer-related areas in ABB (13 years), SIEMENS (14 years) and THE HJ FAMILY OF COMPANIES
(the last 21+ years) on: design, production, tests, sales, etc., of transformers and components. He has also completed multiple training visits to transformer and component plants around the world. Mr. Giraldo is a specialist in transformer production, componentsand protection. For the last two years, he has been working as senior consulting engineer of THE H-J FAMILY OF COMPANIES and teacher of Transformer course in the Technological University of Pereira.