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Wind turbine transformer optimum design assuming a 3D wound core
, Article 30th Power System Conference, PSC 2015, 23 November 2015 through 25 November 2015 ; 2017 , Pages 38-44 ; 9781509027057 (ISBN) ; Moradnouri, A ; Vakilian, M ; Sharif University of Technology
Institute of Electrical and Electronics Engineers Inc
2017
Abstract
A wind turbine transformer (WTT) is designed using a 3D wound core while the transformer's total owning cost (TOC) and its inrush current performance realized as the two objective functions in a multi-objective optimization process. Multi-objective genetic algorithm is utilized to derive Pareto optimal solutions. The effects of inrush current improvement on other operating and design parameters of the transformer such as: losses, dimensions, and weights are investigated. An approach is presented to select one design from optimal Pareto solutions based on relative improvement of the inrush current performance. Finally, this multi-objective optimum wind turbine transformer design is compared...
Derivation of a low-frequency model for a 3D wound core transformer
, Article 2017 25th Iranian Conference on Electrical Engineering, ICEE 2017, 2 May 2017 through 4 May 2017 ; 2017 , Pages 1319-1323 ; 9781509059638 (ISBN) ; Hajipour, E ; Moradnouri, A ; Vakilian, M ; Sharif University of Technology
Abstract
3D wound core is a newly proposed core structure, which is used for construction of distribution transformers. Although many advantages have been proposed for transformer with 3D wound core and it has found increasing application in some countries such as China and Iran, no model has been presented so far in the literature for such transformers. In this paper, a low frequency model, derived based on the duality principle for transformer with 3D wound core, which can be used for both steady state and low-frequency transient studies. The validity of the model in steady state condition is then verified by experimental results. © 2017 IEEE
The impact of smart grid technology on dielectrics and electrical insulation
, Article IEEE Transactions on Dielectrics and Electrical Insulation ; Volume 22, Issue 6 , 2015 , Pages 3505-3512 ; 10709878 (ISSN) ; Castellon, J ; Pilgrim, J. A ; Saha, T. K ; Ma, H ; Vakilian, M ; Moradnouri, A ; Gholami, M ; Sparling, B. D ; Sharif University of Technology
Institute of Electrical and Electronics Engineers Inc
2015
Abstract
Delivery of the Smart Grid is a topic of considerable interest within the power industry in general, and the IEEE specifically. This paper presents the smart grid landscape as seen by the IEEE Dielectrics and Electrical Insulation Society (DEIS) Technical Committee on Smart Grids. We define the various facets of smart grid technology, and present an examination of the impacts on dielectrics within power assets. Based on the trajectory of current research in the field, we identify the implications for asset owners and operators at both the device level and the systems level. The paper concludes by identifying areas of dielectrics and insulation research required to fully realize the smart...