Column: Tap-changer know-how
Enhancing the switching capacity of change-over selectors with minimized gas production 1. General Regulated power transformers are equipped with a regulating winding with multiple taps...
BY MLADEN Banovic, PhD, Editor-in-Chief
Enhancing the switching capacity of change-over selectors with minimized gas production 1. General Regulated power transformers are equipped with a regulating winding with multiple taps...
Qualitrol has been in business since 1945. Qualitrol serves electric utilities, industrial and oil & gas energy customers globally. Our corporate headquarter is based in...
Power transformers are critical components in an electrical power network. Testing, diagnostics and reliable condition assessment of power transformers becomes increasingly relevant due to the...
Power and distribution transformer markets Market values vs. market volumes Market values How do you estimate the current and future transformer market in any country,...
Overview of Shell’s transformer oil unit As the senior technical person, based in the UK, I am responsible for all Shell’s product developments of industrial...
The Value of a Technical Library Enter the office of most engineering types and there, on the shelf, you are likely to find a collection...
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...
CTR, a market oriented company CTR Manufacturing Industries Ltd., established in 1964, manufactures and distributes engineering and electronic products with manufacturing facilities at Pune, Aurangabad...
Voltage regulation in evolving grid Voltage regulation has always been of vital importance in power grids. However, with the increase of renewable electricity generation, and...
Abstract With new threats endangering the safety of substations, critical infrastructure protection in substations has come to include sniper fire, ballistics and blast protection. Safe...
Introduction Recent actions of leading international standards committees have set the stage for significant changes that will impact anyone who purchases and uses mineral oil....
Abstract Transformers are becoming more and more space-saving, but they also need to be flexible, perhaps even mobile. All components must offer highest operational reliability,...
1. Introduction Apart from their primary role in ensuring long-term protection of surfaces, anticorrosion paints must also be visually appealing in terms of their aesthetics,...
Abstract The article presents the most common diagnostic measurements on instrument transformers (current and voltage transformers) used to assess their condition and reliability. The measurements...
Company overview Oxyweld, Italian leading manufacturer of oxyhydrogen gas generators for brazing, marked its 35th anniversary and today, thanks to its experience, supports many transformer...
Sea Marconi is an energy and environment-focused company, providing lifecycle management solutions for holders of electrical equipment filled with insulating fluids. Founded in 1968 and...