Christopher Joffe

Design and optimization of a multi-coil system for inductive charging with small air gap

Martin Marz, Christopher Joffe, Andreas Rosskopf, 2016, 2016 IEEE Applied Power Electronics Conference and Exposition (APEC).

Autonomous circuit design of a resonant converter (LLC) for on-board chargers using genetic algorithms

Christopher Joffe, Andreas Rosskopf, Sophia Volmering, 2018, 2018 IEEE Transportation Electrification Conference and Expo (ITEC).

Calculation of ohmic losses in litz wires by coupling analytical and numerical methods

Christopher Joffe, Andreas Robkopf, Eberhard Bar, 2014, 2014 4th International Electric Drives Production Conference (EDPC).

Implementation of simultaneous energy and data transfer in a contactless connector

Robert Weigel, Alexander Koelpin, Christopher Joffe, 2016, 2016 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet).

Advanced Vehicle Charging Solutions Using SiC and GaN Power Devices

Stefan Zeltner, Bernd Eckardt, Christopher Joffe, 2018 .

Reliabe data link for power transfer control in an inductive charging system for electric vehicles

Robert Weigel, Alexander Koelpin, Christopher Joffe, 2016, 2016 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM).

Influence of Inner Skin- and Proximity Effects on Conduction in Litz Wires

Christopher Joffe, Andreas Rosskopf, Eberhard Bar, 2014, IEEE Transactions on Power Electronics.

Calculation of Power Losses in Litz Wire Systems by Coupling FEM and PEEC Method

Christopher Joffe, Andreas Rosskopf, Eberhard Bar, 2016, IEEE Transactions on Power Electronics.

A novel positioning tolerant inductive power transfer system

Christopher Joffe, Andreas Rosskopf, Stefan Ditze, 2013, 2013 3rd International Electric Drives Production Conference (EDPC).