Publikationen

Alle Veröffentlichungen des Instituts nach Jahren sortiert

Veröffentlichungen am Institut für Leistungselektronik und Elektrische Antriebe

  1. 2023

    1. Ziegler, P., Bura, M., Haarer, J., Marx, P., Hirning, D., Roth-Stielow, J.: Signal Processing Design for Wide Bandwidth Hybrid Current Sensor based on Enhanced Analog Operational Amplifier Circuit. 2023, IEEJ Journal of Industry Applications. Volume 12 Pages, 635–642 (2023).
    2. Ziegler, P., Al-Hussainy, A., Haarer, J., Marx, P., Roth-Stielow, J.: Design of a 2 kA Pulsed Current Source for Characterization of Current Sensors. In: PCIM Europe 2023; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–8 (2023).
    3. Haspel, A., Kaiser, K., Ketchedjian, V., Roth-Stielow, J.: Harmonic Current Controller Design for Anisotropic Synchronous Machines based on a Machine Model in Harmonic Reference Frame. In: 2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia). pp. 2979–2986 (2023).
    4. Ziegler, P., Haarer, J., Marx, P., Eckstein, M., Haspel, A., Roth-Stielow, J.: Evaluation of a Low-Cost Wide Bandwidth Current Shunt for Characterization of Wide Bandgap Semiconductor Devices. In: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe). pp. 1–9 (2023).
    5. Ziegler, P., Linzmaier, J., Haarer, J., Marx, P., Eckstein, M., Roth-Stielow, J.: Wide Bandwidth Current Sensors and the Influence on the Switching Loss Characterization. In: 2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia). pp. 1181–1188 (2023).
    6. Ketchedjian, V., Haspel, A., Schuster, J., Roth-Stielow, J.: Modeling of the Drive Train and Energy Management Strategy for a Hybrid Midsize Multifunctional Vehicle. In: PCIM Europe 2023; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–10 (2023).
    7. Haspel, A., Ketchedjian, V., Kirschner, M., Roth-Stielow, J.: Impacts of Cross-Saturation on Sensorless Control of Synchronous Machines using Alternating Signal Injection. In: PCIM Europe 2023; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–10 (2023).
    8. Haspel, A., Ketchedjian, V., Marx, P., Eckstein, M., Roth-Stielow, J.: Composition of the Countervoltage for Power-Hardware-in-the-Loop Emulators for Three-Phase Machines. In: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe). pp. 1–10 (2023).
    9. Ziegler, P., Zhao, Y., Haarer, J., Ruthardt, J., Fischer, M., Roth-Stielow, J.: Compact Design of a Wide Bandwidth High Current Sensor Using Tilted Magnetic Field Sensors. IEEE Transactions on Industry Applications. 1–10 (2023).
  2. 2022

    1. Ziegler, P., Bura, M., Haarer, J., Marx, P., Hirning, D., Roth-Stielow, J.: Optimization Approaches for the Signal Processing of Hybrid Current Sensors. In: IEEE (ed.) 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia). pp. 506–513 (2022).
    2. Hirning, D., Bauer, L., Ruthardt, J., Haarer, J., Ziegler, P., Roth-Stielow, J.: Online Junction Temperature Measurement of SiC-MOSFETs via Gate Impedance Using the Gate-Signal Injection Method. In: IEEE (ed.) 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe). pp. 1–9 (2022).
    3. Marx, P., Seybold, F., Ziegler, P., Hirning, D., Roth-Stielow, J.: Investigations on the Active Reduction of Common Mode Noise with Opposing Noise Sources. In: 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe). pp. 1–9. IEEE (2022).
    4. Marx, P., Assenheimer, J., Ziegler, P., Haarer, J., Roth-Stielow, J.: Reduction of Common Mode Disturbances in Parallel Modules of Integrated Modular Motor Drives. In: IEEE (ed.) 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia). pp. 595–600 (2022).
    5. Weimer, J., Koch, D., Nitzsche, M., Haarer, J., Roth-Stielow, J., Kallfass, I.: Miniaturization and Thermal Design of a 170 W AC/DC Battery Charger Utilizing GaN Power Devices. IEEE Open Journal of Power Electronics. 3, 13–25 (2022).
    6. Ziegler, P., Festerling, T., Haarer, J., Marx, P., Hirning, D., Roth-Stielow, J.: Influences of Parasitic Capacitances in Wide Bandwidth Rogowski Coils for Commutation Current Measurement. In: IEEE (ed.) 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe). pp. 1–10 (2022).
    7. Ketchedjian, V., Haspel, A., Haarer, J., Roth-Stielow, J.: An Open-Loop Control for the Determination of the MTPV-Trajectory of a SynRM. In: IEEE (ed.) 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia). pp. 2714–2720 (2022).
  3. 2021

    1. Koch, D., Bantle, H., Acuna, J., Ziegler, P., Kallfass, I.: Design Methodology for Ultra-Compact Rogowski Coils for Current Sensing in Low-Voltage High-Current GaN Based DC/DC-Converters. In: 2021 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). p. P.1-P.9 (2021).
    2. Weimer, J., Koch, D., Nitzsche, M., Haarer, J., Kallfass, I.: Thermal Topology Optimization for High Power Density Power Electronic Systems in Passively Cooled Housings. In: 2021 IEEE Design Methodologies Conference (DMC). pp. 1–6 (2021). https://doi.org/10.1109/DMC51747.2021.9529942.
    3. Ketchedjian, V., Fischer, M., Nitzsche, M., Roth-Stielow, J.: Two Torque Control Algorithms of a Synchronous Reluctance Motor Drive for the Entire Operating Speed Range. In: 2021 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). p. P.1-P.9 (2021).
    4. Barón, K.M., Sharma, K., Nitzsche, M., Kallfass, I.: Online Monitoring of Degradation Sensitive Electrical Parameters in Inverter Operation for SiC-MOSFETs. In: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). pp. 1235–1241 (2021).
    5. Ruthardt, J., Klinkhammer, A., Marx, P., Ziegler, P., Nitzsche, M., Sharma, K., Roth-Stielow, J.: Lifetime Extension of Power Semiconductor Devices by Closed-Loop Junction Temperature Control. In: 2021 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). pp. 1–10 (2021).
    6. Ruthardt, J., Hirning, D., Sharma, K., Nitzsche, M., Ziegler, P., Fischer, M., Roth-Stielow, J.: Investigations on Online Junction Temperature Measurement for SiC-MOSFETs Using the Gate-Signal Injection Method. In: 2021 IEEE Energy Conversion Congress and Exposition (ECCE). pp. 5354–5359 (2021). https://doi.org/10.1109/ECCE47101.2021.9595166.
    7. Nitzsche, M., Ziegler, P., Michelberger, A., Barón, K.M., Ruthardt, J., Roth-Stielow, J.: Dynamic Thermal Design of an Active Power Cycling Test Bench for SiC MOSFETs. In: 2021 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). pp. 1–7 (2021).
    8. Ziegler, P., Zhao, Y., Haarer, J., Ruthardt, J., Fischer, M., Roth-Stielow, J.: Compact Design of a Wide Bandwidth High Current Sensor Using Tilted Magnetic Field Sensors. In: 2021 IEEE Energy Conversion Congress and Exposition (ECCE). pp. 5528–5534 (2021). https://doi.org/10.1109/ECCE47101.2021.9595039.
    9. Muñoz Barón, K., Sharma, K., Nitzsche, M., Kallfass, I.: Online Health Monitoring in Power Modules for Inverter Topologies using Isolated Parameter Acquisition. In: 2021 IEEE Design Methodologies Conference (DMC). pp. 1–6 (2021). https://doi.org/10.1109/DMC51747.2021.9529946.
    10. Ziegler, P., Stjepandic, F., Ruthardt, J., Marx, P., Fischer, M., Roth-Stielow, J.: Wide Bandwidth Current Sensor for Characterization of High Current Power Semiconductor Modules. In: 2021 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). pp. 1–9 (2021).
    11. Marx, P., Assenheimer, J., Ruthardt, J., Ziegler, P., Nitzsche, M., Fischer, M., Roth-Stielow, J.: Common Mode Voltage Cancellation in Integrated Modular Motor Drives. In: 2021 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). p. P.1-P.9 (2021).
    12. Nitzsche, M., Haarer, J., Weimer, J., Koch, D., Roth-Stielow, J.: Influence Analysis of Thermally Conductive Epoxy Resin on the Electrical Design of a Compact AC/DC Converter. In: 2021 IEEE Energy Conversion Congress and Exposition (ECCE). pp. 5677–5683 (2021). https://doi.org/10.1109/ECCE47101.2021.9594931.
    13. Fischer, M., Hu, Y., Ruthardt, J., Ziegler, P., Haarer, J., Roth-Stielow, J.: Comparison of an Interleaved Multi-Branch Inverter and a Four-Level Inverter with Variable Voltage Levels for Emulation of Three-Phase Machines. In: 2021 IEEE Energy Conversion Congress and Exposition (ECCE). pp. 2570–2575 (2021). https://doi.org/10.1109/ECCE47101.2021.9595668.
  4. 2020

    1. Ziegler, P., Tröster, N., Schmidt, D., Ruthardt, J., Fischer, M., Roth-Stielow, J.: Wide Bandwidth Current Sensor for Commutation Current Measurement in Fast Switching Power Electronics. In: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). p. P.1-P.9 (2020).
    2. Wölfle, J., Nitzsche, M., Ruthardt, J., Roth-Stielow, J.: Junction Temperature Control System to Increase the Lifetime of IGBT-Power-Modules in Synchronous Motor Drives Without Affecting Torque and Speed. IEEE Open Journal of Power Electronics. 1, 273–283 (2020).
    3. Ruthardt, J., Schulte, H., Ziegler, P., Fischer, M., Nitzsche, M., Roth-Stielow, J.: Junction Temperature Control Strategy for Lifetime Extension of Power Semiconductor Devices. In: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). pp. 1–9 (2020).
    4. Ruthardt, J., Sharma, K., Schmid, T., Nitzsche, M., Ziegler, P., Roth-Stielow, J.: Online Junction Temperature Measurement of Power Semiconductor Devices. In: PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–5 (2020).
    5. Ruthardt, J., Schnabel, L., Ziegler, P., Marx, P., Sharma, K., Fischer, M., Nitzsche, M., Roth-Stielow, J.: Closed Loop Junction Temperature Control of Power Transistors for Lifetime Extension. In: 2020 IEEE Applied Power Electronics Conference and Exposition (APEC). pp. 2955–2955. , New Orleans, USA, (2020).
    6. Nitzsche, M., Barón, K.M., Ziegler, P., Wagner, F., Roth-Stielow, J.: Dynamic AC Power Cycling with Coupled Inverters Operating Under Application-Oriented Conditions. In: VDE (ed.) CIPS 2020; 11th International Conference on Integrated Power Electronics Systems. pp. 576–581. , Berlin, Germany (2020).
    7. Fischer, M., Erthle, D., Ziegler, P., Ruthardt, J., Roth-Stielow, J.: Comparison of Two Power Electronic Topologies for Power Hardware in the Loop Machine Emulator. In: 2020 IEEE Applied Power Electronics Conference and Exposition (APEC). pp. 2950–2954. , New Orleans, USA, (2020).
    8. Weimer, J., Koch, D., Nitzsche, M., Zehelein, M., Kallfass, I.: Efficiency Requirements for Passively Cooled Converters with Thermal Measurement Based 3D-FEM Simulation. In: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). pp. 1–8 (2020).
    9. Sharma, K., Dayanand, D., Barón, K.M., Ruthardt, J., Münzenmayer, F., Hückelheim, J., Kallfass, I.: A Robust Approach for Characterization of Junction Temperature of SiC Power Devices via Quasi-Threshold Voltage as Temperature Sensitive Electrical Parameter. In: 2020 IEEE Applied Power Electronics Conference and Exposition (APEC). pp. 1532–1536. , New Orleans, USA (2020).
    10. Nitzsche, M., Zehelein, M., Weimer, J., Koch, D., Roth-Stielow, J.: Design Flow of a Compact High-Frequency DC/DC Converter with Optimum Average Efficiency in a Wide Operation Range. In: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). p. P.1-P.12 (2020).
    11. Nitzsche, M., Lu, S., Zehelein, M., Ruthardt, J., Roth-Stielow, J.: Comprehensive Comparison of 99% Efficient Totem-Pole PFC with Fixed (PWM) or Variable (TCM) Switching Frequency. In: PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–8 (2020).
    12. Sharma, K., Barón, K.M., Ruthardt, J., Hueckelheim, J., Koch, D., Muenzenmayer, F., Kallfass, I.: Characterization of the Junction Temperature of SiC Power Devices via Quasi-Threshold Voltage as Temperature Sensitive Electrical Parameter. In: CIPS 2020; 11th International Conference on Integrated Power Electronics Systems. pp. 1–6. , Berlin, Germany (2020).
    13. Wagner, F., Reber, G., Rittner, M., Guyenot, M., Nitzsche, M., Wunderle, B.: Power Cycling of SiC-MOSFET Single-Chip Modules with Additional Measurement Cycles for Life End Determination. In: VDE (ed.) CIPS 2020; 11th International Conference on Integrated Power Electronics Systems. pp. 530–535. , Berlin, Germany (2020).
    14. Nitzsche, M., Haarer, J., Ketchedjian, V., Roth-Stielow, J.: Design of a 9-Level Flying Capacitor Inverter with Very Fast Response of the Controller. In: IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society. pp. 2424–2429 (2020). https://doi.org/10.1109/IECON43393.2020.9254392.
    15. Ziegler, P., Haarer, J., Ruthardt, J., Nitzsche, M., Roth-Stielow, J.: Air-Core Toroidal Transformer Concept for High-Frequency Power Converters. In: PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–5 (2020).
    16. Fischer, M., Ruthardt, J., Ketchedjian, V., Ziegler, P., Nitzsche, M., Roth-Stielow, J.: Four-Level Inverter with Variable Voltage Levels for Hardware-in-the-Loop Emulation of Three-Phase Machines. In: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). p. P.1-P.8 (2020).
    17. Munoz Baron, K., Sharma, K., Nitzsche, M., Ziegler, P., Koch, D., Kallfass, I.: Characterization of Threshold Voltage for Application-Oriented Power Cycling Conditions for Wide-Bandgap Power Devices. In: PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–7 (2020).
  5. 2019

    1. Ruthardt, J., Muñoz Barón, K., Marx, P., Sharma, K., Nitzsche, M., Fischer, M., Roth-Stielow, J.: Online Junction Temperature Measurement via Internal Gate Resistance Using the High Frequency Gate Signal Injection Method. In: PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–7. VDE Verlag (2019).
    2. Zehelein, M., Portik, J., Nitzsche, M., Marx, P., Roth-Stielow, J.: Reduction of the Leakage Currents by Switching Transition Synchronization for a Four-Switch Buck-Boost Converter. In: 2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia). pp. 2217–2223. IEEE (2019).
    3. Nitzsche, M., Cheshire, C., Fischer, M., Ruthardt, J., Roth-Stielow, J.: Comprehensive Comparison of a SiC MOSFET and Si IGBT Based Inverter. In: PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–7. VDE Verlag (2019).
    4. Bintz, S., Fischer, M., Roth-Stielow, J.: Load Emulation for Electrolysis Rectifiers. In: 13th IEEE International Conference on Power Electronics and Drive Systems (PEDS 2019). IEEE (2019).
    5. Fischer, M., Ruthardt, J., Nitzsche, M., Ziegler, P., Roth-Stielow, J.: Investigation on Carrier Signals to Minimize the Overall Current Ripple of an Interleaved-Switched Inverter. In: PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–6. VDE Verlag (2019).
    6. Fischer, M., Malić, R., Tröster, N., Ruthardt, J., Roth-Stielow, J.: Design of a three-phase 100 A linear amplifier for power-hardware-in-the-loop machine emulation. IET: The Journal of Engineering. 2019, 4041 – 4044 (2019). https://doi.org/10.1049/joe.2018.8142.
    7. Nitzsche, M., Zehelein, M., Roth-Stielow, J.: Design of a full SiC three-phase power factor correction with an interleaved output buck converter. The Journal of Engineering. 2019, 4143--4146 (2019). https://doi.org/10.1049/joe.2018.8127.
    8. Bintz, S., Häfele, D., Ketchedjian, V., Roth-Stielow, J.: Parallel-Serial-Rectifier for Power-to-Hydrogen Applications. In: 2019 21st European Conference on Power Electronics and Applications (EPE ’19 ECCE Europe). p. P.1-P.11. , Genova, Italy (2019). https://doi.org/10.23919/EPE.2019.8915526.
    9. Fischer, M., Gliese, F., Ruthardt, J., Zehelein, M., Roth-Stielow, J.: Investigation on a Three-Phase Inverter with LC Output Filter for Machine Emulation. In: 2019 21st European Conference on Power Electronics and Applications (EPE ’19 ECCE Europe). p. P.1-P.8. , Genova, Italy (2019). https://doi.org/10.23919/EPE.2019.8915550.
    10. Ruthardt, J., Ziegler, P., Fischer, M., Roth-Stielow, J.: Model Based Junction Temperature Control Using the Gate Driver Voltage as a Correction Variable. In: 2019 21st European Conference on Power Electronics and Applications (EPE ’19 ECCE Europe). p. P.1-P.8. , Genova, Italy (2019). https://doi.org/10.23919/EPE.2019.8915157.
    11. Ruthardt, J., Hermann, C., Wölfle, J., Fischer, M., Roth-Stielow, J.: Gate-driver circuit with a variable supply voltage to influence the switching losses. The Journal of Engineering. 2019, 3692--3695 (2019). https://doi.org/10.1049/joe.2018.8129.
    12. Zehelein, M., Ruthardt, J., Nitzsche, M., Tymosch, T., Roth-Stielow, J.: Leakage current reduction for a double-leg boost converter by switching transition synchronisation. The Journal of Engineering. 2019, 3789–3792 (2019). https://doi.org/10.1049/joe.2018.8128.
    13. Speckmann, F.-W., Bintz, S., Birke, K.P.: Influence of rectifiers on the energy demand and gas quality of alkaline electrolysis systems in dynamic operation. Applied Energy. 250, 855–863 (2019). https://doi.org/10.1016/j.apenergy.2019.05.014.
    14. Bintz, S., Haarer, J., Roth-Stielow, J.: Repetitive Controller for Low Grid Current Harmonics in a Hybrid Parallel Electrolysis Rectifier. In: NEIS 2019; Conference on Sustainable Energy Supply and Energy Storage Systems. pp. 1–7 (2019).
    15. Zehelein, M., Fischer, M., Nitzsche, M., Roth-Stielow, J.: Influence of the Filter Design on Wide-Bandgap Voltage Source Inverters with Sine Wave Filter for Electrical Drives. In: 2019 21st European Conference on Power Electronics and Applications (EPE ’19 ECCE Europe). p. P.1-P.10. , Genova, Italy (2019). https://doi.org/10.23919/EPE.2019.8914968.
  6. 2018

    1. Bintz, S., Speckmann, F.W., Roth-Stielow, J.: Process Current Source for Investigation on Current Waveform in Electrolysis Process. ECS Transactions. 83, 195--209 (2018). https://doi.org/10.1149/08301.0195ecst.
    2. Tröster, N., Ruthardt, J., Nitzsche, M., Wölfle, J., Roth-Stielow, J.: Wide Bandwidth Current Sensor combining a Coreless Current Transformer and TMR Sensors. In: Mesago PCIM GmbH, S. (ed.) International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management Proceedings (PCIM). pp. 1349–1355. VDE (2018).
    3. Ruthardt, J., Fischer, M., Wölfle, J., Tröster, N., Roth-Stielow, J.: Three-Level-gate-Driver to Run Power Transistors in the Saturation Region for Junction Temperature Control. In: Mesago PCIM GmbH, S. (ed.) International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management Proceedings (PCIM). pp. 1562–1569. VDE (2018).
    4. Schuster, J., Ketchedjian, V., Roth-Stielow, J.: Sensorless Position Estimation for an Externally Excited Synchronous Machine over the Whole Speed Range. In: Mesago PCIM GmbH, S. (ed.) International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management Proceedings (PCIM). pp. 1192–1198. VDE (2018).
    5. Fischer, M., Petzner, S., Ruthardt, J., Schuster, J., Bintz, S., Roth-Stielow, J.: Current Control for a Multiphase Interleaved-Switched Inverter Using Field Oriented Coordinates. Presented at the September (2018).
    6. Tröster, N., Eisenhardt, T., Zehelein, M., Wölfle, J., Ruthardt, J., Roth-Stielow, J.: Improvements of a Coaxial Current Sensor with a Wide Bandwidth Based on the HOKA Principle. Presented at the September (2018).
    7. Speckmann, F.-W., Bintz, S., Groninger, M.L., Birke, K.P.: Alkaline Electrolysis with Overpotential-Reducing Current Profiles. Journal of The Electrochemical Society. 165, F456--F462 (2018). https://doi.org/10.1149/2.0511807jes.
    8. Ruthardt, J., Wölfle, J., Tröster, N., Fischer, M., Roth-Stielow, J.: Dead Time as a Correction Variable for Junction Temperature Control. In: 20th European conference on power electronics and applications. IEEE (2018).
    9. Fischer, M., Malić, R., Tröster, N., Ruthardt, J., Roth-Stielow, J.: Design of a Three-Phase 100 Ampere Linear Amplifier for Power-Hardware-in-the-Loop Machine-Emulation. In: The 9th International Conference on Power Electronics, Machines and Drives (PEMD). IET (2018).
    10. Ruthardt, J., Hermann, C., Wölfle, J., Fischer, M., Roth-Stielow, J.: Gate Driver Circuit with a Variable Supply Voltage to Influence the Switching Losses. In: The 9th International Conference on Power Electronics, Machines and Drives (PEMD). IET (2018).
    11. Wölfle, J., Pitters, M., Ruthardt, J., Schuster, J., Stempfle, M., Roth-Stielow, J.: Comparision of Two Model based Temperature Control Systems Implemented on a Three Level T-Type Inverter. In: Mesago PCIM GmbH, S. (ed.) International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management Proceedings (PCIM). pp. 1520–1527. VDE (2018).
    12. Nitzsche, M., Zehelein, M., Roth-Stielow, J.: Design of a full SiC 3-phase power factor correction with interleaved output buck converter. In: Journal of Engineering; The 9th International Conference on Power Electronics, Machines and Drives (PEMD). IET (2018). https://doi.org/10.1049/joe.2018.8127.
    13. Zehelein, M., Ruthardt, J., Nitzsche, M., Tymosch, T., Roth-Stielow, J.: Leakage current reduction for a double-leg boost-converter by switching transition synchronization. In: Journal of Engineering; The 9th International Conference on Power Electronics, Machines and Drives (PEMD). IET (2018).
    14. Nitzsche, M., Zehelein, M., Tröster, N., Roth-Stielow, J.: Precise Voltage Measurement for Power Electronics with High Switching Frequencies. In: Mesago PCIM GmbH, S. (ed.) International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management Proceedings (PCIM). pp. 1356–1361. VDE (2018).
    15. Bintz, S., Fischer, M., Roth-Stielow, J.: Parallel Rectifier for Regenerative Hydrogen Production Utilizing a Combination of Thyristor and PWM-based Topologies. In: Proceedings of the EPE 2018 conference. IEEE (2018).
  7. 2017

    1. Stempfle, M., Nitzsche, M., Woelfle, J., Zehelein, M., Xu, X., Roth-Stielow, J.: Simple but accurate loss modelling of an IPMSM considering harmonic losses and saturation effects. In: International Electric Machines and Drives Conference (IEMDC) - Miami, USA. IEEE (2017). https://doi.org/10.1109/iemdc.2017.8002071.
    2. Schuster, J., Ketchedjian, V., Roth-Stielow, J.: Sensorless position estimation at low speeds till standstill with reduced filtering requirements for an externally exited synchronous machine. In: 2017 IEEE International Symposium on Sensorless Control for Electrical Drives (SLED). IEEE (2017). https://doi.org/10.1109/sled.2017.8078422.
    3. Schramm, A., Sworowski, E., Roth-Stielow, J.: Compensation of torque ripples in permanent magnet synchronous machines up to the field weakening range. In: 2017 7th International Electric Drives Production Conference (EDPC). pp. 1–8 (2017). https://doi.org/10.1109/EDPC.2017.8328154.
    4. Ruthardt, J., Blank, F., Wölfle, J., Tröster, N., Roth-Stielow, J.: Power supply with active energy storage to reuse the braking energy for servo drives. In: 2017 19th European Conference on Power Electronics and Applications (EPE’17 ECCE Europe). p. P.1-P.9 (2017). https://doi.org/10.23919/EPE17ECCEEurope.2017.8099002.
    5. Fischer, M., Roth-Stielow, J.: Analysis of the Influence of Static and Dynamic Eccentricity on Back EMF of a Permanent Magnet Synchronous Motor. In: Innovative Small Drives and Micro-Motor Systems; 11th GMM/ETG-Symposium. pp. 1–6 (2017).
    6. Woelfle, J., Nitzsche, M., Troester, N., Stempfle, M., Roth-Stielow, J.: Comparison of Three Model Based Junction Temperature Control Systems to Increase the Lifetime of IGBT-Power-Modules. In: PCIM Europe - Nuremberg, Germany. VDE (2017).
    7. Wölfle, J., Röser, T., Nitzsche, M., Tröster, N., Stempfle, M., Ruthardt, J., Roth-Stielow, J.: Model based temperature control system to increase the expected lifetime of IGBT power modules executed on a neutral point diode clamped three level inverter. In: 2017 19th European Conference on Power Electronics and Applications (EPE’17 ECCE Europe). p. P.1-P.9 (2017). https://doi.org/10.23919/EPE17ECCEEurope.2017.8099156.
    8. Schuster, J., Schenkyr, M., Roth-Stielow, J.: A comparison of two methods for sensorless position estimation using the electromagnetic force at an electrically excited synchronous machine. In: 2017 19th European Conference on Power Electronics and Applications (EPE’17 ECCE Europe). p. P.1-P.10 (2017). https://doi.org/10.23919/EPE17ECCEEurope.2017.8099226.
    9. Tröster, N., Dominković, B., Wölfle, J., Fischer, M., Roth-Stielow, J.: Wide bandwidth current probe for power electronics using tunneling magnetoresistance sensors. In: 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS). pp. 35–40 (2017). https://doi.org/10.1109/PEDS.2017.8289128.
    10. Tröster, N., Wölfle, J., Ruthardt, J., Roth-Stielow, J.: High bandwidth current sensor with a low insertion inductance based on the HOKA principle. In: 2017 19th European Conference on Power Electronics and Applications (EPE’17 ECCE Europe). p. P.1-P.9. IEEE (2017). https://doi.org/10.23919/EPE17ECCEEurope.2017.8099003.
    11. Stempfle, M., Han, Y., Woelfle, J., Troester, N., Roth-Stielow, J.: Influence of Different Switching Frequencies and Modulation Techniques on IPMSM and Inverter Losses Optimizing the Overall Drive Train Efficiency. In: PCIM Europe 2017; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–5 (2017).
    12. Ruthardt, J., Woelfle, J., Zehelein, M., Roth-Stielow, J.: A New Modulation Technique to Control the Switching Losses for Single Phase Three-Level Active-Neutral-Point-Clamped-Inverters. In: PCIM Europe 2017; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–8 (2017).
    13. Troester, N., Bura, D., Woelfle, J., Stempfle, M., Roth-Stielow, J.: Design of a 300 Amps Pulsed Current Source with Slopes up to 27 Amps per Nanosecond for Current Probe Analysis. In: PCIM Europe 2017; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. pp. 1–6 (2017).
    14. Wölfle, J., Nitzsche, M., Tröster, N., Ruthardt, J., Stempfle, M., Roth-Stielow, J.: Combination of two variables in a junction temperature control system to elongate the expected lifetime of IGBT-power-modules. In: 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS). pp. 41–47 (2017). https://doi.org/10.1109/PEDS.2017.8289130.
  8. 2016

    1. Stempfle, M., Fischer, M., Nitzsche, M., Wolfle, J., Roth-Stielow, J.: Efficiency analysis of three-level NPC and T-Type voltage source inverter for various operation modes optimizing the overall drive train efficiency by an operating mode selection. In: 2016 18th European Conference on Power Electronics and Applications (EPE16 ECCE Europe) - Karlsruhe, Germany. IEEE (2016). https://doi.org/10.1109/epe.2016.7695368.
    2. Troester, N., Beilharz, D., Roth-Stielow, J.: A novel algorithm for position estimation in coreless current measurement applications. In: 2016 18th European Conference on Power Electronics and Applications (EPE16 ECCE Europe) - Karlsruhe, Germany. pp. 1–9 (2016). https://doi.org/10.1109/EPE.2016.7695598.
    3. Renaudineau, H., Kouro, S., Schaible, K., Zehelein, M.: Flyback-based sub-module PV microinverter. In: 2016 18th European Conference on Power Electronics and Applications (EPE16 ECCE Europe) - Karlsruhe, Germany. pp. 1–9. IEEE (2016). https://doi.org/10.1109/EPE.2016.7695427.
    4. Zehelein, M., Moench, S., Costa, M.S., Barner, A., Roth-Stielow, J.: Control strategy for a parallel active buffer circuit in a single-phase-inverter. In: 2016 18th European Conference on Power Electronics and Applications (EPE’16 ECCE Europe). pp. 1–10 (2016).
    5. Moench, S., Costa, M.S., Barner, A., Weimer, J., Holz, R., Schwindt, E., Zehelein, M., Roth-Stielow, J., Kallfass, I.: High thermal conductance AlN power module with hybrid integrated gate drivers and SiC trench MOSFETs for 2 kW single-phase PV inverter. In: 2016 18th European Conference on Power Electronics and Applications (EPE16 ECCE Europe) - Karlsruhe, Germany. IEEE (2016). https://doi.org/10.1109/epe.2016.7695468.
    6. Stempfle, M., Bintz, S., Wölfle, J., Roth-Stielow, J.: Adaptive closed-loop state control system for a three-level neutral-point-clamped Z-source inverter. IET Electrical Systems in Transportation. 6, 12–19 (2016). https://doi.org/10.1049/iet-est.2015.0010.
    7. Wolfle, J., Nitzsche, M., Weimer, J., Stempfle, M., Roth-Stielow, J.: Temperature control system using a hybrid discontinuous modulation technique to improve the lifetime of IGBT power modules. In: 2016 18th European Conference on Power Electronics and Applications (EPE16 ECCE Europe) - Karlsruhe, Germany. IEEE (2016). https://doi.org/10.1109/epe.2016.7695403.
    8. Blank, F., Röser, T., Zehelein, M., Roth-Stielow, J.: Minimierung der Verluste im Antriebssystem mit Hilfe numerisch optimierter Trajektorien. In: gGmbH, S.P. (ed.) 2016 Fortschritte in der Antriebs- und Automatisierungstechnik (FAA Kongress) - Stuttgart. Stuttgarter Produktionsakademie gGmbH (2016).
  9. 2015

    1. Wölfle, J.F., Roth-Stielow, J.: A hybrid discontinuous modulation technique to influence the switching losses of three phase inverters. In: 2015 17th European Conference on Power Electronics and Applications (EPE’15 ECCE-Europe). pp. 1–10 (2015).
    2. Stempfle, M., Fischer, M., Roth-Stielow, J.: Loss modelling to optimize the overall drive train efficiency. In: 2015 17th European Conference on Power Electronics and Applications (EPE’15 ECCE-Europe). pp. 1–10 (2015).
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