TY - CONF T1 - Nonlinear effects in piezoelectric transformers explained by thermal-electric model based on a hypothesis of self-heating JO - IECON Proceedings Industrial Electronics Conference PY - 2012/12/01 AU - Andersen T AU - Andersen MAE AU - Thomsen OC AU - Foster MP AU - Stone DA ED - DO - DOI: 10.1109/IECON.2012.6388760 SP - 596 EP - 601 Y2 - 2025/11/01 ER -