TY - JOUR T1 - Review of variable-flux permanent magnet machines JO - Journal of International Conference on Electrical Machines and Systems PY - 2012/01/01 AU - Owen R AU - Zhu ZQ AU - Wang JB AU - Stone DA AU - Urquhart I ED - VL - 1 IS - 1 SP - 23 EP - 31 Y2 - 2025/07/06 ER -