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A High Temperature Experimental Characterization Procedure for Oxide-Based Thermoelectric Generator Modules under Transient Conditions

Author

Listed:
  • Elena Anamaria Man

    (Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark)

  • Erik Schaltz

    (Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark)

  • Lasse Rosendahl

    (Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark)

  • Alireza Rezaniakolaei

    (Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark)

  • Dieter Platzek

    (PANCO GmbH, Kaerlicher Str. 7 D-56218 Muelheim-Kaerlich, Germany)

Abstract

The purpose of this study is to analyze the steady-state and transient behavior of the electrical and thermal parameters of thermoelectric generators (TEGs). The focus is on the required wait-time between measurements in order to reduce measurement errors which may appear until the system reaches steady-state. By knowing this waiting time, the total characterization time can also be reduced. The experimental characterization process is performed on a test rig known as TEGeta, which can be used to assess the output characteristics of TEG modules under different load values and temperature conditions. The setup offers the possibility to control the hot side temperature up to 1000 °C with a load variation range value between 0.22–8.13 Ω. A total of ten thermocouples are placed in the setup with the purpose of measuring the temperature in specific points between the heater and the heat sink. Based on the readings, the temperature on the hot and cold side of the modules can be extrapolated. This study provides quantitative data on the minimum waiting time of the temperatures in the surrounding system to reach equilibrium. Laboratory tests are performed on a calcium-manganese oxide module at temperatures between 400 and 800 °C to explore the high temperatures features of the setup.

Suggested Citation

  • Elena Anamaria Man & Erik Schaltz & Lasse Rosendahl & Alireza Rezaniakolaei & Dieter Platzek, 2015. "A High Temperature Experimental Characterization Procedure for Oxide-Based Thermoelectric Generator Modules under Transient Conditions," Energies, MDPI, vol. 8(11), pages 1-9, November.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:11:p:12341-12847:d:58714
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    Citations

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    Cited by:

    1. Karami Rad, Meysam & Rezania, Alireza & Omid, Mahmoud & Rajabipour, Ali & Rosendahl, Lasse, 2019. "Study on material properties effect for maximization of thermoelectric power generation," Renewable Energy, Elsevier, vol. 138(C), pages 236-242.
    2. Siyang Li & Kwok Ho Lam & Ka Wai Eric Cheng, 2017. "The Thermoelectric Analysis of Different Heat Flux Conduction Materials for Power Generation Board," Energies, MDPI, vol. 10(11), pages 1-14, November.

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