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314 Publications


2013 | Conference Paper | LibreCat-ID: 30562
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.
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2013 | Conference Paper | LibreCat-ID: 30565
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.
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2013 | Conference Paper | LibreCat-ID: 30563 LibreCat
 

2013 | Conference Paper | LibreCat-ID: 30564
Formaler Regelungsentwurf für netzfreundliche PFC-Ladegleichrichter unter Anwendung eines Netzbeobachters
L. Keuck, N. Fröhleke, J. Böcker, in: Internationaler ETG Kongress, Berlin, Germany, 2013.
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2013 | Conference Paper | LibreCat-ID: 30556
High efficiency photovoltaic power conditioning system
H. Sharabash, D.V.M.M. Krishna, N. Fröhleke, J. Böcker, in: PCIM Europe Conference, Nürnberg, Germany, 2013.
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2013 | Conference Paper | LibreCat-ID: 30553
Can oversampling improve the dynamics of PWM controls?
J. Böcker, O. Buchholz, in: 2013 IEEE International Conference on Industrial Technology (ICIT), IEEE, 2013.
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2013 | Conference Paper | LibreCat-ID: 30571
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.
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2013 | Conference Paper | LibreCat-ID: 30551
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.
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2013 | Conference Paper | LibreCat-ID: 30561
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.
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2013 | Conference Paper | LibreCat-ID: 30552
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.
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2013 | Conference Paper | LibreCat-ID: 30560
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.
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2012 | Conference Paper | LibreCat-ID: 29600
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.
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2012 | Conference Paper | LibreCat-ID: 30325
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.
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2012 | Conference Paper | LibreCat-ID: 30543
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 (ISIE2012), Huangzhou, China, 2012.
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2012 | Conference Paper | LibreCat-ID: 30540
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.
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2012 | Conference Paper | LibreCat-ID: 30544
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.
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2012 | Conference Paper | LibreCat-ID: 30545
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.
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2012 | Conference Paper | LibreCat-ID: 30541
Boosting Dynamics of AC Machines by using FPGA-Based Controls
O. Buchholz, S. Mathapati, J. Böcker, in: PCIM Europe Conference, Nürnberg, Germany, 2012.
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2012 | Journal Article | LibreCat-ID: 30554
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.
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2012 | Conference Paper | LibreCat-ID: 30538
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.
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