TY - CONF T1 - Fault analysis of PM brushless AC drive under field-weakening operation JO - Proceedings of the Universities Power Engineering Conference PY - 1997/01/01 AU - Chen YS AU - Zhu ZQ AU - Howe D AU - Hu GF ED - VL - 1 SP - 41 EP - 44 Y2 - 2025/01/03 ER -