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Suitability of Current Sensors for the Measurement of Switching Currents in Power Semiconductors

  • This paper investigates the impact of current sensors on the measurement of transient currents in fast-switching power semiconductors in a double pulse test (DPT environment. We review previous research that assesses the influence of current sensors on a DPT circuit through mathematical modeling. The developed selection aids can be used to identify suitable current sensors for transient current measurements of fast-switching power semiconductors and to estimate the error introduced by their insertion into the DPT circuit. Afterwards, this analysis is extended by including further elements from real DPT applications to increase the consistency of the error estimation with practical situations and setups. Both methods are compared and their individual advantages and drawbacks are discussed. Finally, a recommendation on when to use which method is derived.

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Document Type:Article
Author:Sebastian Sprunck, Christian Lottis, Fabian Schnabel, Marco Jung
Parent Title (English):IEEE Open Journal of Power Electronics
First Page:570
Last Page:581
Publishing Institution:Hochschule Bonn-Rhein-Sieg
Date of first publication:2021/11/13
Copyright:This work is licensed under a Creative Commons Attribution 4.0 License.
Funding Information:This work was supported in part by the German Federal Ministry for Economic Affairs and Energy BMWi through the publicly funded research projects ”SupraGenSys”, ”LEITNING” and ”PV-MoVe” (FKZ 03EE3010A, 03E16030D and 03EE1011B)
Keyword:Current measurement; double pulse test; error analysis; measurement errors; power semiconductors; sensor phenomena and characterization; wide band gap
Departments, institutes and facilities:Fachbereich Ingenieurwissenschaften und Kommunikation
Institut für Technik, Ressourcenschonung und Energieeffizienz (TREE)
Projects:Verbundvorhaben: LEITNING (DE/BMWi/03EI6030E)
Dewey Decimal Classification (DDC):6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 621.3 Elektrotechnik, Elektronik
Entry in this database:2021/11/24
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International