| Abstract |
Various papers in power electronics contain a part of lifetime estimation depending on power cycles inapplication. The used model is often the CIPS08 lifetime model published at the conference CIPS 2008.In many applications, a lot of cycles with low temperature swings occur. The used model, however, isonly valid for temperature swings above 40 K. For temperature swings inf. 30 K, there are strongdeviations, since some materials are now approaching the elastic region. First experimental powercycling results are gained below 30 K temperature swing. Also an approximation for the reliability oflow temperature swing is given in this paper. |
