Transformer Magazine Vol. 8 issue 3

Thomas Gilke – Vice President, Global Sales of Krempel

by Barbara Tomić

The Krempel group of companies is represented by 11 locations across four continents, 8 production locations, with 1,100 employees.

An innovative range of 3D moulded insulation parts

by Barbara Tomić

These products offer OEM´s and end customers vast grades of freedom for designing advanced temperature transformers according to IEC 60076-14 (transformer standard).

Timing and modality to obtain representative and beneficial DGA sample for liquid-filled device

by Marius GRISARU

For Transformers Magazine readers, the importance of DGA to transformer health and transformer owner’s reputation does not have to be described or promoted.

Peter Schikarski – CEO at Haefely AG

by Barbara Tomić

The highlight of the 2019 interview was transformer testing, in the new environment that Haefely acquired within the Swiss Pfiffner Group.

Sharing our expertise with remote services to achieve sustainable performance

by Burak Yildiz, Stephen Pearce

The risk of sudden transformer failure entails not only huge replacement costs and downtime but is also hazardous to the environment and human life.

Enhancing the reliability of offshore wind farm transformers with customized design and maintenance

by Michal Lasota, Miroslaw Owczarek

Many nations have set goals to meet a significant proportion of their energy needs from non-conventional sources.

Standards relevant to transformers – Part VI

by P. Ramachandran, A. S. Jhala

Transformer specification is a “common language” between manufacturers, suppliers, vendors, engineers, or any other parties that work with transformers on the technical level.

Peter Grolmus – CTO at Ekofluid GmbH

by Barbara Tomić

Most oil treatment equipment on the market is still being build the same way it was built twenty or even forty years ago.

MR TAPCON® 230

by Barbara Tomić

The concept of the new TAPCON® 230 is designed for consistently simple handling – everywhere and in all phases of operation.

Books on power transformers in Russian – A bibliography 1924 – 1969

by Vitaly Gurin, P. Ramachandran

This is in continuation of the bibliography of books on power transformers in the German language published earlier [1].

The Power Diagnostix by Megger ICMmonitor: A versatile device for on-line or temporary partial discharge monitoring of power transformers

by Barbara Tomić

Keeping the power on, the mission of Power Diagnostix (PDIX), is vital to the success of any power grid operator.

Deviation of short-circuit impedance from specified design value

by Vitaly Gurin

The mass production of transformers has led to the use of standard methods for controlling technological processes in a series production environment.

Investigating cost-benefit analysis for digital distribution transformers – Part I

by Bhaba P. Das

Due to the changing dynamics and increasing complexity of today’s electricity grid, the need for dynamic asset management strategies is very evident.

Importance of using high test voltage for transformer turns ratio test

by Edis Osmanbašić

The transformer turns ratio test is one of the fundamental transformer routine tests declared by both IEC 60076-1 and IEEE C57.12.90. standards.

Optical sensor for determining the degree of polymerization of the insulation paper inside transformers

by Tobias Münster et al.

Performance is depending on the degree of polymerization of cellulose, which is the average number of monomeric units (glucose rings) in the cellulose chain.

Digital transformation as a backbone for holistic product development of transformers

by Girish Jois

Digital transformation has become a buzz word and the technology is facing a challenge in implementation when attempting to reap the benefits of digitisation.

Retrofitting of a 420 kV draw-lead type bushing with a draw-rod type – Part I

by K. K. Murty et al.

The bushings play an important role by providing insulation to the live leads from the power equipment.