Transformer Magazine Vol. 13 Issue 3

100 years of the Jansen patent – The quiet invention that sets the pulse of energy

by Transformer Magazine

This advertorial from Reinhausen looks back at 100 years of the Jansen patent and the high-speed resistor-type tap-changer.

Interview with Dr. Konstantin Papailiou, President of CIGRE

by Transformer Magazine

CIGRE President Dr. Konstantin Papailiou provides a strategic overview of the global energy transition.

The business power of research based insights

by Mladen Banović

This article explores how research-based insights can become business power in the industry.

Interview with Dr. Karl Schäcke, CEO of ASTA Energy Solutions AG

by Transformer Magazine

Dr. Karl Schäcke, CEO of ASTA Energy Solutions AG, discusses ASTA’s role in supplying high-performance copper winding solutions for transformers, generators and other key energy infrastructure.

Rethinking transformer refurbishment: Industrial capacity as a strategic asset management enabler

by Fernando Melo

This article from Siemens Energy explores how asset refurbishment is evolving.

Confidential information

by Tony McGrail, Richard Heywood, Mohamed Khalil

This column examines why an AHI should not be treated as a single absolute number, especially when data may be incomplete, outdated, inaccurate, or affected by measurement uncertainty.

Interview with Antoine Magnier, President, CEO and Co-Owner at SERGI

by Transformer Magazine

Antoine Magnier discusses why physical protection of power transformers should receive more attention as grids become more loaded, dynamic, and critical.

The statistical scatter of breakdown voltages of transformer oil – Part VI

by Vitaly Gurin, Marius Grisaru

Part VI of the column explores the limited studies focusing on how hydrostatic pressure impacts the breakdown of transformer oil and other liquid dielectrics.

From a transformer to a system solution: Rethinking integrated energy systems

by Transformer Magazine

This article explores the concept of the Interface Transformer developed by Kyte Powertech — a brand of the R&S Group.

Interview with Dr. Naihu Li, Vice-President of CHINT T&D and Head of the CHINT Group R&D Institute

by Transformer Magazine

This interview with Dr. Naihu Li from CHINT T&D looks at Europe’s growing grid infrastructure challenge and the pressure it is placing on transformer and high-voltage equipment supply.

Sungrid: Made in the USA to serve in the USA

by Transformer Magazine

Find out more about Sungrid’s technical capabilities, including customised conductor designs, crepe paper and hybrid NOMEX® insulation systems and more!

Beyond MVA: Why transformer size alone fails as a metric for Condition Monitoring ROI

by Bhaba Das

This paper explores two wind farm cases to illustrate that system context, not size, defines the business case for OCM systems..

Why monitoring is the missing link in the energy transition

by Transformer Magazine

In this advertorial from Qualitrol, find out why transformer monitoring is becoming increasingly important as grids adapt to renewable generation, changing load patterns, and growing demand.

Managing insulation aging through direct hot spot temperature measurement: Benefits of gallium arsenide-based fiber-optic sensing for transformer winding hot spot monitoring — Part I

by Andrea Tonin, Fiorenzo Stevanato

This is the first part of an article which reviews direct hot spot measurement using gallium arsenide-based fibre optic sensors installed in the winding.