Reliability Enhancement of Modular Smart Transformers by Uneven Loading of Cells
Conference: PCIM Europe 2017 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/16/2017 - 05/18/2017 at Nürnberg, Deutschland
Proceedings: PCIM Europe 2017
Pages: 8Language: englishTyp: PDF
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Authors:
Raveendran, Vivek; Andresen, Markus; Buticchi, Giampaolo; Liserre, Marco (University of Kiel, Germany)
Abstract:
A Smart Transformer (ST) is a power electronics based transformer developed for the electrical distribution grid, where it can provide many advanced grid services. The advanced functionality comes with the concern of lower reliability affected by the complexity and the higher number of components. To overcome the reliability concerns, this work proposes to utilize a modular architecture for routing the power in the cells such that cells with shorter remaining lifetimes are less stressed and the time to the next failure in the system is delayed.