Krishna DVMM, Preckwinkel H, Fröhleke N, Böcker J. A Novel LC Resonant Based Partial Booster Scheme for Improved Efficiency and Reduced Cost of Transformerless Photovoltaic Inverters. In: PCIM Europe Conference, Nürnberg, Germany. ; 2013.
LibreCat: /record/30562

Bolte S, Baurichter J, Henkenius C, Fröhleke N, Böcker J, Figge H. Verlustmodellierung und Effizienzoptimierung einer hart schaltenden, netzfreundlichen Pulsgleichrichterstufe (PFC). In: Internationaler ETG Kongress, Berlin, Germany. ; 2013.
LibreCat: /record/30565

Peter K, Böcker J. Minimierung niederfrequenter Oberschwingungen in Pulsmustern für 2-Level Umrichter in Antriebssystemen mittels winkelmodulierter Partikel Schwarm Optimierung. In: Internationaler ETG Kongress, Berlin, Germany. ; 2013.
LibreCat: /record/30563

Keuck L, Fröhleke N, Böcker J. Formaler Regelungsentwurf für netzfreundliche PFC-Ladegleichrichter unter Anwendung eines Netzbeobachters. In: Internationaler ETG Kongress, Berlin, Germany. ; 2013.
LibreCat: /record/30564

Sharabash H, Krishna DVMM, Fröhleke N, Böcker J. High efficiency photovoltaic power conditioning system. In: PCIM Europe Conference, Nürnberg, Germany. ; 2013.
LibreCat: /record/30556

Böcker J, Buchholz O. Can oversampling improve the dynamics of PWM controls? In: 2013 IEEE International Conference on Industrial Technology (ICIT). IEEE; 2013. doi:10.1109/icit.2013.6505952
LibreCat: /record/30553
DOI: 10.1109/icit.2013.6505952

Cao Z, Tao J, Fröhleke N, Böcker J. Dynamical modeling for series-parallel resonant converter under optimized modulation. In: 2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE; 2013. doi:10.1109/apec.2013.6520481
LibreCat: /record/30571
DOI: 10.1109/apec.2013.6520481

Krishna DVMM, Fröhleke N, Böcker J, Preckwinkel H. A simplified mathematical model for DC-balancing and capacitor ripple reduction in 3-level inverters. In: 2013 IEEE International Conference on Industrial Technology (ICIT). IEEE; 2013. doi:10.1109/icit.2013.6505715
LibreCat: /record/30551
DOI: 10.1109/icit.2013.6505715

Preckwinkel H, Bünte A, Böcker J, Fröhleke N, Dora K. A novel low cost solar central inverters topology with 99.2% efficiency. In: 2013 15th European Conference on Power Electronics and Applications (EPE). IEEE; 2013. doi:10.1109/epe.2013.6631769
LibreCat: /record/30561
DOI: 10.1109/epe.2013.6631769

Solanki J, Fröhleke N, Böcker J, Wallmeier P. A modular multilevel converter based high-power high-current power supply. In: 2013 IEEE International Conference on Industrial Technology (ICIT). IEEE; 2013. doi:10.1109/icit.2013.6505713
LibreCat: /record/30552
DOI: 10.1109/icit.2013.6505713

Lönneker M, Böcker J. A novel space vector modulation strategy for thyristor matrix converters. In: 2013 15th European Conference on Power Electronics and Applications (EPE). IEEE; 2013. doi:10.1109/epe.2013.6631954
LibreCat: /record/30560
DOI: 10.1109/epe.2013.6631954

Peters W, Wallscheid O, Böcker J. A precise open-loop torque control for an interior permanent magnet synchronous motor (IPMSM) considering iron losses. In: IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society. ; 2012:2877–2882.
LibreCat: /record/29600

Figge H, Fröhleke N, Böcker J, Schafmeister F. Cost-Effective Implementation of a Digitally Controlled LLC Resonant Converter for Application in Server- and Telecom-PSUs. In: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). IEEE; 2012:1-8.
LibreCat: /record/30325

Cao Z, Nzeugang FH, Tao J, Fröhleke N, Böcker J. Novel dynamical modeling for series-parallel resonant converter. In: 21th IEEE International Symposium on Industrial Electronics (IS), Huangzhou, China. ; 2012. doi:10.1109/ISIE.2012.6237122
LibreCat: /record/30543
DOI: 10.1109/ISIE.2012.6237122

Grote T, Bolte S, Fröhleke N, Böcker J. Reduction of Total Harmonic Distortion (THD)for Interleaved Converters Operating in Discontinuous Conduction Mode (DCM). In: PCIM Europe Conference, Nürnberg, Germany, 2012. ; 2012.
LibreCat: /record/30540

Böcker J, Sun M, Cao Z, Tong L, Zou H, Ranjan P. High Fidelity Hybrid Hardware-in-the-Loop Simulator with FPGA and Processor for AC Railway Traction. In: PCIM Europe Conference, Nürnberg, Germany. ; 2012.
LibreCat: /record/30544

Tao J, Cao Z, Sun M, Fröhleke N, Böcker J. Full Digital Implementation of an Optimized Modulation Strategy for Series-Parallel Resonant Converter. In: PCIM Europe Conference, Nürnberg, Germany. ; 2012.
LibreCat: /record/30545

Buchholz O, Mathapati S, Böcker J. Boosting Dynamics of AC Machines by using FPGA-Based Controls. In: PCIM Europe Conference, Nürnberg, Germany. ; 2012.
LibreCat: /record/30541

Mathapati S, Böcker J. Analytical and Offline Approach to Select Optimal Hysteresis Bands of DTC for PMSM. IEEE Transactions on Industrial Electronics. 2012;60(3):885-895. doi:10.1109/tie.2012.2189530
LibreCat: /record/30554
DOI: 10.1109/tie.2012.2189530

Preckwinkel H, Krishna D, Fröhleke N, Böcker J. Photovoltaic inverter with high efficiency over a wide operation area - a practical approach. In: IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society. IEEE; 2012. doi:10.1109/iecon.2011.6119432
LibreCat: /record/30538
DOI: 10.1109/iecon.2011.6119432