Column: Tap-changer know-how
Common oil expansion tank for transformers and tap-changers Introduction On-load tap-changers (OLTCs) feature an own oil compartment which accommodates the diverter switch or...
BY MLADEN Banovic, PhD, Editor-in-Chief
Common oil expansion tank for transformers and tap-changers Introduction On-load tap-changers (OLTCs) feature an own oil compartment which accommodates the diverter switch or...
Doble – one of the pillars of the industry Doble has served the electric power industry for nearly a century. While that legacy of service...
Regional requirements for transformer design (Localized transformer design) Looking at the global energy consumption map, the world could be divided into high energy consumption regions,...
Europe, North America and China: The future and is Brexit at all relevant Introduction The European Union (EU) now comprises 28 member states covering...
The SERGI TRANSFORMER PROTECTOR company SERGI has its headquarters in France, near Paris. As of today, it is a company of more than 100 employees...
Introduction In the beginnings of the dissolved gases monitoring of transformer oil, what was most important for customers was to have a tool that could...
On-line monitoring of HV substation equipment: Myths and truths Introduction The challenges facing substation owners and operators for the past years are unrelenting and...
Abstract Power transformers are still among the most costly and critical components in an electrical power network. Thus, the importance of a reliable condition assessment...
Abstract Availability is what the modern energy industry is all about. Private consumers in most economies expect and need an energy availability of 99.98 percent...
Short-circuit withstand capability of power transformers – Part I Abstract This article discusses verification of the ability of a transformer to survive short circuit....
Abstract: A project in the heart of London interconnects innovative transformer technologies to add value for the neighbourhood by delivering power and heat at the...
Growing energy demand, increasing distributed generation and an aging asset infrastructure are all part of the major challenges facing electric utilities today. Asset and maintenance...
Abstract Green transformers, a sustainable and environmentally-friendly range of power transformers, are gaining in popularity. The growing interest in such transformers is linked to the...
BALIKESIR ELEKTROMEKANIK SANAYI TESISLERI (BEST) A.S. has been manufacturing power and distribution transformers since 1966. Today, thanks to 50 years of experience on five different...
Abstract Oil-impregnated cellulose materials are used in oil-filled transformers. Water in insulation has a negative effect on electrical, mechanical and chemical properties of insulating materials....
Maximum flexibility with utmost safety and efficiency. Power transformers can meet these requirements if they are equipped with the CONNEX dry-insulated, modular, pluggable connection system....
Abstract Recent testing has proven that the superior mechanical properties of INSULutions® STRIP-Flex K paper from Weidmann, when used together with Tuboly-Astronic’s advanced HV strip...
Power transformers switch AC voltage between different voltage levels, making them essential in power plants, industrial operations and electrical substations. To prevent damage due to...