Transformers Magazine Vol. 2 Issue 1
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Editorial Message
Dear readers,
We wish you a happy and prosperous 2015! As we start off our second year in print, we will try to bring you even more useful, topical and interesting content while you can guide us with your suggestions and constructive comments.
In this issue, Transformers Magazine brings you a wide range of technical articles and two interviews.
In the interview Dr. Daniel J. Tschudi, Executive Vice President of WICOR Group, shares his views on transformer insulation and monitoring.
Kenneth Budin provides guidance on world’s best practices in transformer transport, installation and commissioning. These final stages of the supply chain are equally important as transformer design, manufacturing process and factory acceptance testing.
In their article Mladen Banovic, P Ramachandran, Navin Rego and Pavel Justiz put forward a summary of the discussion on the significance of CO2/CO ratio in dissolved gas analysis, which was held in Transformers forum on LinkedIn. The authors tried to collect various experiences and present problems which can be faced in different regions of the world, trying to enhance communication about technical problems on a global scale without an intention to impose their personal views.
Communications in the transformer market
Introduction The goal of each player in the market is to grow their business. However, due to competition not every company is equally successful in this. While some companies...
Interview with Dr. Daniel J. Tschudi, Executive Vice President, Electrical Technology Business Area, WICOR Group, Switzerland
TM: Mr. Tschudi, thank you for accepting this interview. Can you, please, provide some facts and figures about the WICOR company to the readers of Transformers Magazine? DJT: The...
Transport, installation and commissioning of power transformers
Abstract Whilst much attention is quite rightly given to power transformer design, manufacturing and factory acceptance testing, the final stages of the supply chain are equally important, namely transport,...
Significance of CO2/CO ratio in dissolved gas analysis
Abstract According to the literature, the ratio of carbon dioxide and carbon monoxide (CO2/CO) for a transformer with a healthy cellulose insulation system should be between 3 and 11....
Chromatographic analysis of gases from the transformer
Abstract Given the demands of today’s power systems, the question of the transformer reliability is one of the top priorities. The need for monitoring the performance of transformers is...
Condition based (re)investment in transformer populations
Abstract Slowly but surely, condition-based maintenance is coming to be understood worldwide as the number-one choice for optimising the reliability and cost-effective service of transformers. Up to now, however,...
Simulation of switching overvoltages of 400 kV shunt reactor
Abstract Bam 400/132 kV substation in Kerman region, Iran, has a 50 MVAR shunt reactor on 400 kV busbar which is grounded through a 128 kVAR neutral reactor. The...
Loss measurement accuracy as key factor for energy saving programmes
Abstract Most government efficiency programmes focus on reducing energy losses in the distribution network and for some of them even provide metrics for these improvements. A large amount of...
