TY - JOUR T1 - Electromagnetic performance of novel variable flux reluctance machines with DC-field coil in stator JO - IEEE Transactions on Magnetics PY - 2013/06/01 AU - Liu X AU - Zhu ZQ ED - DO - DOI: 10.1109/TMAG.2012.2235182 VL - 49 IS - 6 SP - 3020 EP - 3028 Y2 - 2025/01/03 ER -