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THE HIGH-FREQUENCY BASE CONVERTERS WITH VARIABLE CIRCULATING CURRENT
Mikihiko MATSUI,Sejin SEONG,Tadashi FUKAO 전력전자학회 1989 ICPE(ISPE)논문집 Vol.- No.-
" High frequency (HP) base " or " HF" link " power conversion techniques are now expected to be applied for very large capacity power conversions in the future, because they can be realized by using conventional commutation turn-off thynstors which have merits in costs and reliabilities compared with GTOs. This paper summarizes a novel series of HF base power converters named "HFbase-VCC(HF base converters with variable circulating current)", that are characterized by the variable circulating current and its control scheme which the authors have been researching on. Basic principles of operation are explained through a dc source dual-converter system, then they are extended to the applications using ac source HF cycloconverter systems.<br/>