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Impact of amorphous metal based transformers on efficiency and quality of electric power distribution

By: Hasegawa, R.;

2001 / IEEE / 0-7803-7173-9

Description

This item was taken from the IEEE Conference ' Impact of amorphous metal based transformers on efficiency and quality of electric power distribution ' The dramatic increase in the use of power electronics and conditioning devices in addition to ubiquitous nonlinear electrical equipment such as motor drives has resulted in a considerable amount of higher harmonics of the line frequency. These high frequency harmonics lead to increased transformer core losses, especially in power distribution transformers that use conventional steel core materials. Amorphous metal core distribution transformers (AMDTs), by comparison, are uniquely suited to providing low loss performance under higher frequencies. This is due both to unique processing techniques that result in a greatly reduced standard thickness for amorphous metal and a unique chemistry and atomic structure that give a higher electrical resistivity and low energy magnetic flux reversal.