A Novel LC Resonant Based Partial Booster Scheme for Improved Efficiency and Reduced Cost of Transformerless Photovoltaic Inverters
D.V.M.M. Krishna, H. Preckwinkel, N. Fröhleke, J. Böcker, in: PCIM Europe Conference, Nürnberg, Germany, 2013.

Verlustmodellierung und Effizienzoptimierung einer hart schaltenden, netzfreundlichen Pulsgleichrichterstufe (PFC)
S. Bolte, J. Baurichter, C. Henkenius, N. Fröhleke, J. Böcker, H. Figge, in: Internationaler ETG Kongress, Berlin, Germany, 2013.

Minimierung niederfrequenter Oberschwingungen in Pulsmustern für 2-Level Umrichter in Antriebssystemen mittels winkelmodulierter Partikel Schwarm Optimierung
K. Peter, J. Böcker, in: Internationaler ETG Kongress, Berlin, Germany, 2013.

Formaler Regelungsentwurf für netzfreundliche PFC-Ladegleichrichter unter Anwendung eines Netzbeobachters
L. Keuck, N. Fröhleke, J. Böcker, in: Internationaler ETG Kongress, Berlin, Germany, 2013.

High efficiency photovoltaic power conditioning system
H. Sharabash, D.V.M.M. Krishna, N. Fröhleke, J. Böcker, in: PCIM Europe Conference, Nürnberg, Germany, 2013.

Can oversampling improve the dynamics of PWM controls?
J. Böcker, O. Buchholz, in: 2013 IEEE International Conference on Industrial Technology (ICIT), IEEE, 2013.

Dynamical modeling for series-parallel resonant converter under optimized modulation
Z. Cao, J. Tao, N. Fröhleke, J. Böcker, in: 2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2013.

A simplified mathematical model for DC-balancing and capacitor ripple reduction in 3-level inverters
D.V.M.M. Krishna, N. Fröhleke, J. Böcker, H. Preckwinkel, in: 2013 IEEE International Conference on Industrial Technology (ICIT), IEEE, 2013.

A novel low cost solar central inverters topology with 99.2% efficiency
H. Preckwinkel, A. Bünte, J. Böcker, N. Fröhleke, K. Dora, in: 2013 15th European Conference on Power Electronics and Applications (EPE), IEEE, 2013.

A modular multilevel converter based high-power high-current power supply
J. Solanki, N. Fröhleke, J. Böcker, P. Wallmeier, in: 2013 IEEE International Conference on Industrial Technology (ICIT), IEEE, 2013.

A novel space vector modulation strategy for thyristor matrix converters
M. Lönneker, J. Böcker, in: 2013 15th European Conference on Power Electronics and Applications (EPE), IEEE, 2013.

A precise open-loop torque control for an interior permanent magnet synchronous motor (IPMSM) considering iron losses
W. Peters, O. Wallscheid, J. Böcker, in: IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society, 2012, pp. 2877–2882.

Cost-Effective Implementation of a Digitally Controlled LLC Resonant Converter for Application in Server- and Telecom-PSUs
H. Figge, N. Fröhleke, J. Böcker, F. Schafmeister, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2012, pp. 1–8.

Novel dynamical modeling for series-parallel resonant converter
Z. Cao, F.H. Nzeugang, J. Tao, N. Fröhleke, J. Böcker, in: 21th IEEE International Symposium on Industrial Electronics (IS), Huangzhou, China, 2012.

Reduction of Total Harmonic Distortion (THD)for Interleaved Converters Operating in Discontinuous Conduction Mode (DCM)
T. Grote, S. Bolte, N. Fröhleke, J. Böcker, in: PCIM Europe Conference, Nürnberg, Germany, 2012, 2012.

High Fidelity Hybrid Hardware-in-the-Loop Simulator with FPGA and Processor for AC Railway Traction
J. Böcker, M. Sun, Z. Cao, L. Tong, H. Zou, P. Ranjan, in: PCIM Europe Conference, Nürnberg, Germany, 2012.

Full Digital Implementation of an Optimized Modulation Strategy for Series-Parallel Resonant Converter
J. Tao, Z. Cao, M. Sun, N. Fröhleke, J. Böcker, in: PCIM Europe Conference, Nürnberg, Germany, 2012.

Boosting Dynamics of AC Machines by using FPGA-Based Controls
O. Buchholz, S. Mathapati, J. Böcker, in: PCIM Europe Conference, Nürnberg, Germany, 2012.

Analytical and Offline Approach to Select Optimal Hysteresis Bands of DTC for PMSM
S. Mathapati, J. Böcker, IEEE Transactions on Industrial Electronics 60 (2012) 885–895.

Photovoltaic inverter with high efficiency over a wide operation area - a practical approach
H. Preckwinkel, D. Krishna, N. Fröhleke, J. Böcker, in: IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society, IEEE, 2012.