Alexander Neufeld, M. Sc.

Alexander Neufeld, M. Sc.
Address
Appelstraße 9a
30167 Hannover
Building
Room
932
Alexander Neufeld, M. Sc.
Address
Appelstraße 9a
30167 Hannover
Building
Room
932
Position
Research Staff
Electric Power Engineering Section

RESEARCH FOCUSES

  • Calculation and assessment of harmonic stability in the electric power networks
  • Resonance analysis of the electrical power transmission network
  • Influence of the cabling in the extra-high voltage level on the resonance frequencies and the allocation of the maximal harmonic levels according to IEC 61000 and VDE (TAR)
  • Publications

    2020


    Neufeld, A., Alkemper, M. J., Schäkel, N., & Hofmann, L. (2020). On the Influence of Time Delay Modelling in Grid-Connected Converters for Harmonic Studies. In 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020 (pp. 46-50). [9244443] doi.org/10.1109/pedg48541.2020.9244443

    Schäkel, N., Neufeld, A., & Hofmann, L. (2020). Hybrid PLL Structure for Improvement of the Dynamic Performance of Grid-Connected Converters. In D. Schulz (Ed.), NEIS 2020; Conference on Sustainable Energy Supply and Energy Storage Systems (pp. 93-98)

    Schäkel, N., Neufeld, A., & Hofmann, L. (2020). On the Direct Voltage Control Concept of Grid Connected Power Converters. In 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2020 (pp. 143-148). [9244437] doi.org/10.1109/pedg48541.2020.9244437


    2019


    De Carne, G., Langwasser, M., Ndreko, M., Bachmann, R., De Doncker, R. W., Dimitrovski, R., Mortimer, B. J., Neufeld, A., Rojas, F., & Liserre, M. (2019). Which Deepness Class Is Suited for Modeling Power Electronics?: A Guide for Choosing the Right Model for Grid-Integration Studies. IEEE Industrial Electronics Magazine, 13(2), 41-55. [8744337]. doi.org/10.1109/mie.2019.2909799

    Kalla, M., Korolova, O., Neufeld, A., Hofmann, L., & Ponick, B. (2019). Calculating frequency responses of synchronous machines using MIMO transfer functions. In Proceedings 2019 International Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2019 and 2019 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2019 (pp. 132-138). [9007207] (Proceedings 2019 International Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2019 and 2019 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2019). doi.org/10.1109/acemp-optim44294.2019.9007207

    Neufeld, A., Heide, D., & Hofmann, L. (2019). Calculation of Series Resonance Frequencies in Electrical Grids Using Resonance Mode Analysis. In 2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2019 (pp. 1-4). [8994810] (Asia-Pacific Power and Energy Engineering Conference, APPEEC; Vol. 2019-December). doi.org/10.1109/appeec45492.2019.8994810

    Neufeld, A., & Hofmann, L. (Ed.) (2019). Energiewende: Wie bleiben die Netze stabil? Technik und Leben : Technische Vereine in und um Hannover informieren, (01/2019). www.vdi.de/fileadmin/pages/vdi_de/redakteure/vor_ort/bv/bv-hannover/Technik_und_Leben/190405_TuL_Ausgabe_web.pdf

    Neufeld, A., Schäkel, N., Hofmann, L., & Lösing, M. (2019). Probabilistic Calculation of Harmonic Voltages in Transmission Grids with Varying Shares of Underground Cables. In Cigré Symposium Aalborg - 2019

    Neufeld, A., Alkemper, M. J., Schäkel, N., & Hofmann, L. (2019). Simulative Calculation of the Grid-Connected Inverter Impedance for Harmonic Studies. In 2019 54th International Universities Power Engineering Conference, UPEC 2019 - Proceedings (pp. 1-5). [8893508] doi.org/10.1109/upec.2019.8893508

    Schäkel, N., Neufeld, A., & Hofmann, L. (2019). Impact of Enhanced Synchronization Techniques of Wind Power Plants on the Short-Circuit Current. In 2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2019 (pp. 1-5). [8994723] (Asia-Pacific Power and Energy Engineering Conference, APPEEC; Vol. 2019-December). doi.org/10.1109/appeec45492.2019.8994723


    2018


    Neufeld, A., Schäkel, N., & Hofmann, L. (2018). Harmonic Resonance Analysis for Various Degrees of Cable Penetration in Transmission Grids. In 2018 53rd International Universities Power Engineering Conference (UPEC) (pp. 1-5). [8541878] doi.org/10.1109/upec.2018.8541878

    Neufeld, A., Schäkel, N., & Hofmann, L. (2018). Resonanzuntersuchungen in Übertragungsnetzen mit unterschiedlichen Verkabelungsgraden. In 19. Dresdener Kreis 2018 (pp. 5). doi.org/10.24352/UB.OVGU-2019-033