Column: Tap-changer know-how
Insulating liquids – Part II: Non-mineral insulating liquids 1. General In the previous edition of Transformers Magazine, the typical properties of mineral insulating oils were...
BY MLADEN Banovic, PhD, Editor-in-Chief
Insulating liquids – Part II: Non-mineral insulating liquids 1. General In the previous edition of Transformers Magazine, the typical properties of mineral insulating oils were...
Introduction The Centre of Excellence (CoE) for Transformers in Zagreb was founded following the decision by the Management Board of KONČAR – Electrical Industry Inc....
Abstract Electric utilities have a duty to supply electricity securely whilst being mindful of environmental needs and fire safety, especially in urban areas. Mineral oil...
Introduction With the increasing globalisation of markets and manufacturers keen to explore the attractiveness of less familiar markets, there has never been a greater need...
FEWA’s profile Federal Electricity & Water Authority (FEWA) was established as an independent entity with an aim to run its own projects, be efficient and...
As the modern world becomes increasingly “wired”, more critical systems and infrastructure are linked via the internet. While that has given rise to incredible new...
Abstract Vapor phase drying is the most effective method for drying transformer insulation in a manufacturing setting. The process does not lend itself well to...
Introduction Transformer Life Management (TLM) Conference was first held ten years ago, following the idea to create a comprehensive platform where all industry stakeholders –...
In the transformers industry, Maschinenfabrik Reinhausen (MR) is a synonym for voltage regulation. Majority of transformers today operating around the globe are equipped with some...
Abstract Grid expansion represents a technically obvious but also very expensive solution for the infeed of renewable energy sources. A more intelligent solution is the...
Abstract This article examines issues related to power quality and generation of higher harmonics in single-phase transformers of low power supply, supplying electricity to household,...
Abstract Superconducting transformers using high current density High Temperature Superconductor (HTS) wire cooled with liquid nitrogen can be lighter and more efficient than conventional power...
Abstract Infrared Thermography, Ultrasonic Noise Analysis, Partial Discharge Detection, Dissolved Gas Analysis, Vibration Analysis – all these techniques are great stand-alone diagnostic tools; however, when...
Abstract The dynamic resistance measurement was developed as a supplementary measurement in order to analyse the switching process of the on-load tap changer. The article...