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 ...

Piezoelectric transformers and power converters represent a frontier in power electronics, harnessing the direct electromechanical coupling of piezoelectric materials to transform electrical energy ...

2 October 2008 – Following successful final acceptance testing at the Siemens transformer factory in Nuremberg, the world’s first 800kV transformer for extra-high-voltage DC transmission systems (HVCD ...

The FINANCIAL — Siemens Energy together with local partners is to deliver ten extra-high voltage converter transformers, five of them rated at 800 kilovolts, as well as 6-inch thyristor valve ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Not unlike the metric system, the Celsius scale, or the ...

For a PDF version of this article, click here. Power converters based on the forward topology offer high efficiency and good power-handling capability in applications up to several hundred watts. The ...

A new type of DC-DC converter based on Hybrid-switching Method™ and a novel Hybrid Transformer™ enables a high step-down voltage conversion and provides a regulated output voltage of 1V from a 48V ...

Growing data center power demands are driving server equipment manufacturers to reach higher power-conversion efficiencies in order to reduce the thermal footprint of their systems. The transition ...

Following successful final acceptance testing at the Siemens transformer factory in Nuremberg, the world’s first 800-kV transformer for extra-high-voltage DC transmission systems HVDC is ready for ...