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Prof. Dr. Johanna May

Dr.-Ing.
Faculty of Information, Media and Electrical Engineering

Institute of Electrical Power Engineering

Prof. Dr. Johanna May

Campus Deutz
Betzdorfer Straße 2
50679 Köln
Room HW-2-40 Mailing address


  • Phone: +49 221-8275-2697

Office hours

Book online or face to face meetings

Campus Deutz, Betzdorfer Str. 2, Room HW2-40
please use ILIAS: https://ilu.th-koeln.de/goto.php?target=crs_191074&client_id=thkilu

Positions

  • First aid officer
  • Faculty Council F07

Official capacities

  • Equal opportunities

Teaching disciplines

Research fields

  • Energy Efficiency and sustainability of renewable electrical energy systems What would our renewable energy systems and electrical devices look like in a truly sustainable world?
  • P4ELECS
    Teaching material for the electrification challenges ahead, within a European consortium, my part will be jupyter notebooks for systems engineering in energy efficiency.
    Project Website
  • digital fellowship sustainability in higher ed enawemi
    With their teaching concept "simple sustainable tools for MINT fundamentals" Prof. Johanna Friederike May (Institute of Electrical Power Engineering) and Prof. Beate Rhein (Institute of Communications Engineering) provide for a more sustainable use of computers. In MINT subjects specialized software is needed, e.g. numerical mathematical programs. Therefore, many students buy new computers, but not all students can afford that. This issue increases inequality between students and buying new computers leads to a higher energy and resource consumption. May and Rhein want to integrate openly accessible web tools into their teaching that can work on all computers. The project collects existing web based programs, generates helpful examples for those who teach in higher ed and develops exercises that use sustainability examples.
    Press announcement (in German)
  • livinglab.nrw project ZEnsys
    This research project compares the solar decathlon houses of the sde21 competition in Wuppertal with regard to reliability of electrical energy technology in sustainable housing in order to find circularity potentials.
  • ALepa OERcontent.nrw
    In order to offer more and better exercises to students in fundamentals of physics and electrical engineering, the project ALepa intends unifying collections of exercises from 6 universities. Lead by FH Dortmund, Prof. Dr. Johanna Friederike May (faculty of information, media and electrical engineering at TH Köln) collaborates with university teachers at Hochschule Hamm-Lippstadt, FH Aachen, RWTH Aachen and Ruhr-Universität Bochum. The project partners want to create statistically validated exercise pools categorized by content and difficulty along with instructions for learners.
    Press announcement in German
  • OER4EE
    Open Educational Resources for the energy transition, funded by the state of North-Rhine-Westphalia in the program OERcontent.nrw, a cooperation between 6 universities in North-Rhine-Westphalia, running from September 2020 to August 2022, project part: ju
    German press statement on project start
  • Fellowship digital higher education ELEFDIA
    In order to easier create digital tests in the learning management system ILIAS (in use at TH Köln) Prof. Dr. Johanna May & Prof. Dr. Eberhard Waffenschmidt at the Faculty 07 in ELEFDIA want to develop a tool that enables test development outside of ILIAS
    Report (German) about the tools created incl. Links to github
  • Carrasco Serrano, Francisco Antonio; May, Johanna (2025): Material Sustainability of Low-Energy Housing Electric Components: A Systematic Literature Review and Outlook. In: Sustainability. Vol. 17. (peer-reviewed/Open Access)https://doi.org/10.3390/su17030852
  • Carrasco Serrano, Francisco Antonio; May, Johanna (2024): Variability Sources in Environmental Impacts of Electrical Building Energy Systems. In: International Conference Electronics Goes Green 2024+ : From Silicon to Sustainability, EGG 2024 - Proceedings. EGG 2024, International Conference Electronics Goes Green; Berlin, Germany; 18.06-20.06.2024.https://doi.org/10.23919/EGG62010.2024.10631190
  • Kanz, Olga; Bittkau, Karsten; Ding, Kaining; May, Johanna; Reinders, Angèle (2024): Environmental Impacts of Integrated Photovoltaic Modules in Light Utility Vehicles. In: van Sark, Wilfried; Hoex, Bram; Reinders, Angèle; Verlinden, Pierre J.; Ekins-Daukes, Nicholas J. (Hrsg.): Photovoltaic Solar Energy : From Fundamentals to Applications. Newark: Wiley, S. 567 - 577. https://doi.org/10.1002/9781119578826https://doi.org/10.1002/9781119578826.ch35
  • Tjandra, Steffen; Kraus, Stefan; Ishmam, Shitab; Grube, Thomas; Linßen, Jochen; May, Johanna; Stolten, Detlef (2024): Model-Based Analysis of Future Global Transport Demand. In: Transportation Research Interdisciplinary Perspectives. Vol. 23. (peer-reviewed/Open Access)https://doi.org/10.1016/j.trip.2024.101016
  • Neumann, Hannah; Adam, Mario; Backes, Klaus; Börner, Martin; Clees, Tanja; Doetsch, Christian; Glaeser, Susanne; Herrmann, Ulf; May, Johanna; Rosenthal, Florian; Sauer, Dirk Uwe; Stadler, Ingo (2022): Development of Open Educational Resources for Renewable Energy and the Energy Transition Process. In: Proceedings of the ISES Solar World Congress 2021. SWC 2021: ISES Solar World Congress; Virtual Conference; 25.10.-29.10.2021., S. 1257 - 1261. (peer-reviewed/Open Access)https://doi.org/10.18086/swc.2021.47.03
  • Serrano, Francisco Carrasco; May, Johanna (2022): Targeted Preprossessing for Weight Reduction in NILM Datasets. In: ENERGYCON 2022 - 2022 IEEE 7th International Energy Conference, Proceedings. 7th IEEE International Energy Conference, Energycon 2022; Riga; 09.05.-12.05.2022., S. 1 - 6.https://doi.org/10.1109/ENERGYCON53164.2022https://doi.org/10.1109/ENERGYCON53164.2022.9830491
  • Eugster, Benjamin; Fath-Keiser, Silvia; Leist, Susanne; Magdowski, Mathias; May, Johanna (2021): Digitale Open-Book- und Take-Home-Prüfungen. In: Bandtel, Matthias; Baume, Matthias; Brinkmann, Elena; Bedenlier, Svenja; Budde, Jannica; Eugster, Benjamin; Ghoneim, Andrea; Halbherr, Tobias; Persike, Malte; Rampelt, Florian; Reinmann, Gabi; Sari, Zaim; Schulz, Alexander (Hrsg.): Digitale Prüfungen in der Hochschule : Whitepaper einer Community Working Group aus Deutschland, Österreich und der Schweiz. Berlin: Hochschulforum Digitalisierung (Hochschulforum Digitalisierung), S. 111 - 129. (Open Access)
  • Glunde, Jörg; May, Johanna; Mohaupt, Michael (2021): Finanzierung planen : Stimmen Sie mit einer Budgetplanung die Kostenblöcke und Finanzierungsquellen Ihrer Promotion ab. Projektmanagement für Promovierende : Werkzeuge und Methoden für eine erfolgreiche Doktorarbeit. Berlin, Heidelberg: Springer, S. 49 - 56. https://doi.org/10.1007/978-3-662-63732-6https://doi.org/10.1007/978-3-662-63732-6_6
  • Graf, Monika; Wollersheim, Olaf; May, Johanna (2021): Towards Reproducible Performance of Grid Connected Photovoltaic Battery Storage. In: International Renewable Energy Storage Conference (IRES) 2021. (Open Access)https://bibliografie.th-koeln.de/servlets/DozBibEntryServlet?mode=show&id=bibthk_mods_00005985
  • May, Johanna (2021): Energy Data for Educating Students on Python Energy Data Analysis. In: NFD4ING 2021; online; 27.09.-28.09.2021. (Open Access)https://doi.org/10.13140/RG.2.2.30762.54720
  • Hiertz, Martin; Balabajew, Laura-Amelie; Ukat, Clara; Topete, Juan Salvador; May, Johanna (2020): Global Warming Potential of Gravitational Storage Systems. In: 14th International Renewable Energy Storage Conference (IRES 2020); Düsseldorf, Germany; 10.03.-12.03.2020. (peer-reviewed/Open Access)https://doi.org/10.13140/RG.2.2.28436.53122
  • Kanz, Olga; Reinders, Angèle; May, Johanna; Ding, Kaining (2020): Environmental Impacts of Integrated Photovoltaic Modules in Light Utility Electric Vehicles. In: Energies : Open-Access Journal of Related Scientific Research, Technology Development and Studies in Policy and Management. Vol. 13. (peer-reviewed/Open Access)https://doi.org/10.3390/en13195120
  • Kastenbutt, Florian; Waasem, Lukas; May, Johanna (2020): Accuracy of Household Size Low Cost Energy Loggers. In: 15th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES); Cologne, Germany; 01.09.-05.09.2020. (peer-reviewed/Open Access)https://bibliografie.th-koeln.de/servlets/DozBibEntryServlet?mode=show&id=bibthk_mods_00005101
  • Hiertz, Martin; May, Johanna (2019): Wirksamkeit von formativen elektronischen Zwischentests im Grundstudium. In: Frühjahrstagung der Deutschen Physikalischen Gesellschaft (DPG); Aachen, Germany; 26.03.2019. (peer-reviewed/Open Access)https://doi.org/10.13140/RG.2.2.28708.32646
  • May, Johanna; Kanz, Olga; Schürheck, Philip; Fuge, Niklas; Waffenschmidt, Eberhard (2019): Influence of Usage Patterns on Ecoefficiency of Battery Storage Systems for Electromobility and Home Storage. In: 3rd PLATE Conference; Berlin, Germany; 18.09.-20.09.2019. (peer-reviewed/Open Access)https://bibliografie.th-koeln.de/servlets/DozBibEntryServlet?mode=show&id=bibthk_mods_00001540
  • Badock, Marc; Beek, Markus; Eichenberg, Christiane; Gladitz, Uwe; Gräske, Johannes; Lang, Karlheinz Christian; May, Johanna; Mohring, Siegrun; Molitor, Eva; Rebenich, Benjamin; Schöneck, Nadine M.; Stock, Steffen (2018): Planung und Organisation. In: Stock, Steffen; Schneider, Patricia; Peper, Elisabeth; Molitor, Eva (Hrsg.): Erfolgreich wissenschaftlich arbeiten : Alles, was Studierende wissen sollten. Berlin, Heidelberg: Springer Gabler, S. 37 - 55. https://doi.org/10.1007/978-3-662-55001-4_3https://doi.org/10.1007/978-3-662-55001-4
  • Beek, Markus; Ennen, Marten; Gräske, Johannes; Hennig, Carsten; Kuhlenkasper, Torben; Lang, Karlheinz Christian; May, Johanna; Mohring, Siegrun; Rebenich, Benjamin; Rhode, Katharina; Schneider, Patricia; Stock, Steffen; Weidmann, Dagmar (2018): Literaturbeschaffung. In: Stock, Steffen; Schneider, Patricia; Peper, Elisabeth; Molitor, Eva (Hrsg.): Erfolgreich wissenschaftlich arbeiten : Alles, was Studierende wissen sollten. Berlin, Heidelberg: Springer Gabler, S. 57 - 68. https://doi.org/10.1007/978-3-662-55001-4_4https://doi.org/10.1007/978-3-662-55001-4
  • Beneke, Frank; Bohlinger, Sandra; de Gier, Karoline; Eichenberg, Christiane; Fischbach, Dirk; Geisler, Herbert; Hannemann, Jan-Gero Alexander; Hruska, Claudia; Kuhlenkasper, Torben; May, Johanna; Molitor, Eva; Möller, Svenja; Rebenich, Benjamin; Schmidt, Annika; Stock, Steffen; Walter, Marcel; Wolff, Monika (2018): Konzeption. In: Stock, Steffen; Schneider, Patricia; Peper, Elisabeth; Molitor, Eva (Hrsg.): Erfolgreich wissenschaftlich arbeiten : Alles, was Studierende wissen sollten. Berlin, Heidelberg: Springer Gabler, S. 17 - 35. https://doi.org/10.1007/978-3-662-55001-4_2https://doi.org/10.1007/978-3-662-55001-4
  • Bohlinger, Sandra; Chamoni, Peter; Fröhlich, Michael; Gerhardt, Claudia; May, Johanna; Möller, Svenja; Neuneck, Götz; Rausch, Monika; Schneider, Patricia; Stock, Steffen; Weißhaar, Angela (2018): Erfahrungsberichte von Betreuern. In: Stock, Steffen; Schneider, Patricia; Peper, Elisabeth; Molitor, Eva (Hrsg.): Erfolgreich wissenschaftlich arbeiten : Alles, was Studierende wissen sollten. Berlin, Heidelberg: Springer Gabler, S. 137 - 156. https://doi.org/10.1007/978-3-662-55001-4_10https://doi.org/10.1007/978-3-662-55001-4
  • May, Johanna (2018): Wie nachhaltig sind Energieeffizienz-Technologien in der Elektrotechnik?. In: 44. Treffen des Industrie-Arbeitskreises „Rechtskonformes Umweltmanagement in der Elektroindustrie". (peer-reviewed)https://bibliografie.th-koeln.de/servlets/DozBibEntryServlet?mode=show&id=bibthk_mods_00002435
  • Gerovasili, Eirini; May, Johanna; Sauer, Dirk Uwe (2014): Experimental Evaluation of the Performance of the Sodium Metal Chloride Battery Below Usual Operating Temperatures. In: Journal of Power Sources : The International Journal on the Science and Technology of Battery, Fuel Cell and other Electrochemical Systems. Vol. 251, S. 137 - 144. (peer-reviewed)https://doi.org/10.1016/j.jpowsour.2013.11.046
  • Kroner, Andrea; May, Johanna; Kardosh, Ihab; Rinaldi, Fernando; Roscher, Hendrik; Michalzik, Rainer (2006): Novel Concepts of Vertical-Cavity Laser-Based Optical Traps for Biomedical Applications. In: Biophotonics and New Therapy Frontiers : Proceedings. SPIE Photonics Europe; Strasbourg, France; 03.04.-07.04.2006. (peer-reviewed)https://doi.org/10.1117/12.662458

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