Key aspects of insulating fluids
International Conference on Condition Monitoring, Diagnosis and Maintenance (CMDM 2017)
Carl Wolmarans from Nynas will be giving a technical presentation when experts from all over the world meet in Bucharest to share experiences on the development of electric power systems.
Modern Management Technology will be the keywords when the international industry organisation CIGRE holds the International Conference on Condition Monitoring, Diagnosis and Maintenance in the Rumanian capital city Bucharest. The conference will take place from 25 until 27 September, and areas for discussion include Smart Grids, Condition Monitoring and Diagnosis in Power Plants, Modern Maintenance Tools and Technologies and Asset Management Tools for Power Equipment.
One of the technical presentations at the conference will be given by Carl Wolmarans, Development Engineer within the Electrical Industry division of Nynas.
The basic premise of the presentation – The key aspects of insulating fluids; HV performance, ageing behaviour & fault markers – deals with the need for an holistic approach when evaluating the suitability of an insulating fluid for a certain equipment type and design, as there are an increasing number of options available for insulating fluids used in power transformers.
Three of the most important aspects of insulating fluids will be covered briefly by Carl Wolmarans in order to provide an insight into some of the factors and properties at play.
“Firstly there is HV performance, which relies on the intrinsic chemistry of the fluid as well as its purity and condition. Then there is also ageing behaviour, where one must assess and consider oxidation, hydrolysis and thermal degradation as well as the consumption of any additives that are used to improve ageing. Lastly, some attention will be paid to Dissolved Gas Analysis (DGA) and how a context-driven approach together with further research and empirical data is necessary to establish DGA norms for alternative fluids,” summarises Carl Wolmarans.
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