Reverse Mode Application of Sine Amplitude Converters

Inhalt:
The power electronics industry is seeing the re-emergence of DC high voltage distribution in place of AC systems of power transmission within advanced machines and installations. A modular DC-DC converter is available in a number of different package and power formats that can form a bridge from low voltage systems to ones that run at levels in the 400 - 1000 V range. Experiments and feasibility studies point the way to new product variants of both the BCM (bus converter module) and VTM (voltage transformation module) engines – both of which manifest mature SAC (sine amplitude converter) technology. Efforts are now focused on qualifying parts for bidirectional power flow use. Three operational topology variants are described. Early experimental objectives and outcomes are outlined in the article, along with pertinent techniques that can be used to overcome new challenges implied in this novel deployment of SAC parts. AExamples of applications drawing on the technique are outlined in the final part of this article.