A 1000 V resistor for AC-DC voltage transfer. - Manfred Klonz; Thomas Spiegel; Héctor Laiz; Ernst Kessler (IEEE Trans. Instrum. Meas., 1999)

New thin-film multijunction thermal converters with negligible low frequency AC-DC transfer differences. - Héctor Laiz; Manfred Klonz; Ernst Kessler; Thomas Spiegel (IEEE Trans. Instrum. Meas., 2001)

AC-DC current transfer step-up and step-down calibration and uncertainty calculation. - Manfred Klonz; Héctor Laiz; Thomas Spiegel; Peter Bittel (IEEE Trans. Instrum. Meas., 2002)

AC-DC Current Transfer Standards Suitable for Use Below 1mA and up to 1MHz. - Torsten Funck; Thomas Spiegel (IEEE Trans. Instrum. Meas., 2017)

AC-DC Disk Resistors Made of Surface Mount Components. - Torsten Funck; Thomas Spiegel (IEEE Trans. Instrum. Meas., 2017)

Planar Multijunction Thermal Converters With Increased Sensitivity Operated in Hermetically Sealed Housings Filled With Noble Gas. - Torsten Funck; Thomas Spiegel; Andreas Ihring (IEEE Trans. Instrum. Meas., 2019)

Can energy system modeling benefit from artificial neural networks? Application of two-stage metamodels to reduce computation of security of supply assessments. - Lars Nolting; Thomas Spiegel; Marius Reich; Mario Adam; Aaron Praktiknjo (Comput. Ind. Eng., 2020)

Artificial Intelligence and Design of Experiments for Assessing Security of Electricity Supply: A Review and Strategic Outlook. - Jan Priesmann; Justin Münch; Elias Ridha; Thomas Spiegel; Marius Reich; Mario Adam; Lars Nolting; Aaron Praktiknjo (CoRR, 2021)