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A power electronic-based distribution transformer

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4 Author(s)
E. R. Ronan ; Missouri Univ., Kansas City, MO, USA ; S. D. Sudhoff ; S. F. Glover ; D. L. Galloway

The distribution transformer has been in use by utilities throughout the twentieth century. Until now, it has consisted of a configuration of iron or steel cores and copper/aluminum coils, with mineral oil serving as both coolant and dielectric medium. Inherent in this type of construction are regulation, significant weight, losses, environmental concerns, and power quality issues. For the 21st century, a new kind of distribution transformer is proposed; one that can be made self-regulating, oil-free, and able to correct power quality problems. A power electronic transformer has been analyzed, simulated, prototyped, and tested. Results of this effort as well as the novel features of this new type of transformer are discussed herein

Published in:

IEEE Transactions on Power Delivery  (Volume:17 ,  Issue: 2 )