TY - CONF T1 - Nonlinear effects in piezoelectric transformers explained by thermal-electric model based on a hypothesis of self-heating JO - 38th Annual Conference of the IEEE Industrial Electronics Society PY - 2012/01/01 AU - Anderson T AU - Anderson MAE AU - Thomsen OC AU - Foster MP AU - Stone DA ED - Y2 - 2025/05/22 ER -