TY - CONF T1 - Nonlinear effects in piezoelectric transformers explained by thermal-electric model based on a hypothesis of self-heating JO - IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society PY - 2012/01/01 AU - Andersen T AU - Andersen MAE AU - Thomsen OC AU - Foster MP AU - Stone DA ED - DO - DOI: 10.1109/iecon.2012.6388760 PB - IEEE SN - 9781467324199 Y2 - 2024/12/22 ER -