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Voltage controlled magnetic components for power electronics –technologies and applications: an overview
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  • Yoann Pascal ,
  • Marco Liserre ,
  • Rainer Adelung ,
  • Soeren Kaps ,
  • Thiago Pereira ,
  • Nian Sun ,
  • Jeffrey McCord ,
  • Lukas Zimoch
Yoann Pascal
Fraunhofer ISIT

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Marco Liserre
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Rainer Adelung
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Soeren Kaps
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Thiago Pereira
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Jeffrey McCord
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Lukas Zimoch
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Voltage controlled magnetic components, which consist in dynamically controllable inductances and transformers, are a promising yet understudied technology of growing interest. In fact, these components offer circuit designers an additional degree of freedom to achieve multi-objective optimization with improved Pareto fronts. This article provides a review of some technologies that can be used to create controlled magnetics, including emerging technologies with high potential. Furthermore, a list of possible applications is proposed, where these components can provide a significant advantage in terms of efficiency, size reduction, or controllability. Special emphasis is laid on a use case: a 20 kW multiport DC/DC converter in which power flow control is achieved using voltage-controlled inductors based on partially saturable magnetic cores.