{'fraction_non_alphanumeric': 0.031096563011456628, 'fraction_numerical': 0.0, 'mean_word_length': 6.2, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Operation principle and electromagnetic performance of novel variable-flux reluctance machines with segmented rotors

This paper proposes a type of novel variable-flux reluctance machines (VFRMs) with segmented rotors. Their operation principles and electromagnetic performance, including flux linkage, back-EMF, torque and unbalanced radial magnetic force, etc, are thoroughly investigated. Compared with the traditional partitioned-stator variable-flux reluctance machines (PS-VFRMs), the proposed VFRMs can significantly alleviate the unbalanced force on the rotor while maintaining a very low torque ripple.