It won’t have an immediate transformative effect on troublesome shortages, but a new U.S. Department of Energy (DOE) ruling brings more clarity to solving the long-term puzzle of future transformer ...

Several switching-converter topologies exist for power converters that operate from the ac mains and must maintain a power factor of 0.9 or better. One topology is a boost converter with a control ...

For the PDF version of this article, click here. Among the first decisions engineers must make when designing a new switchmode power supply are transformer size, working frequency and the selection of ...

The U.S. Department of Energy’s (DOE’s) final energy efficiency standards for distribution transformers appear to strike a compromise with industry, softening the agency’s stance on steel requirements ...