E-lesson

THE H-J FAMILY OF COMPANIES: Explanation of Dual Voltage Transformer Concept and Application.

Free Wednesday, 5 November 2025, 4:00 PM TZ TZ Europe/Zagreb

Hosted by: The H-J Family of Companies

The following topics are reviewed during the webinar:

  • Protecting Dual Voltage Transformers
  • Disposition of the fuses in a Series-Parallel winding arrangement
  • Dual Voltage Switches
  • How to run a coordination program for transformers with dual voltage and fuses for both voltages
  • Coordination of protections for step-up and step-down transformers
  • Differences
  • The case of renewable energy applications involving inverters
  • Reverse Flux

Lecturers

Orlando Giraldo

Orlando Giraldo

Experienced Senior Consulting Engineer with a demonstrated history of working in the electrical manufacturing industry. Skilled in Negotiation, Energy, Engineering, Strategic Planning, and Project Engineering. Electrical Engineer from the Technological University of Pereira (Colombia) and strong sales professional with a Finances Specialist degree from School of Administration, Finance and Technology (EAFIT University) in Colombia. Specialist in Distribution Transformers Design, Protection and Components Selection. Speaker in many events of the sector, Transformers Class teacher and multiple training courses in transformers plants of Westinghouse (ABB) in the USA and SIEMENS in Germany, Spain and Portugal. Currently Senior Consulting Engineer with THE H-J FAMILY OF COMPANIES.