Surge Current Capability of IGBTs Used in Low Voltage DC/AC Hybrid Circuit Breaker

Conference: CIPS 2018 - 10th International Conference on Integrated Power Electronics Systems
03/20/2018 - 03/22/2018 at Stuttgart, Deutschland

Proceedings: ETG-Fb. 156: CIPS 2018

Pages: 6Language: englishTyp: PDF

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Askan, Kenan; Bartonek, Michael (Eaton Industries Austria GmbH, Vienna, Austria)
Sobe, Klaus (Infineon Technologies Austria AG., Villach, Austria)

This paper presents a characterization work of an IGBT in a Hybrid Circuit Breaker (HCB) application. A HCB is designed with a rating of 45A, 380VDC/230VAC, to interrupt a detected fault within approximately 300mus in a power grid with 10kA short-circuit capacity. IGBTs used in HCBs are subject to non-repetitive surge currents during overcurrent and short-circuit interruptions. An experimental setup is developed to analyse the surge current capability of this technology. Further, observations on dynamic-static current sharing, forward, and reverse biased characteristics are reported. These results are then used to design the most appropriate technology for the highest reliable and most compact HCBs.