Analysis of the Impact of Magnetic Materials on Cogging Torque in Brushless DC Motor

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Rotor magnet type</td><td class="align_center">Chemical composition</td><td class="align_center">Remanent flux density (T)</td><td class="align_center">Relative permeability</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">CY_N35_20DEG</td><td class="align_center">NdFeB</td><td class="align_center">1.21</td><td class="align_center">1.052</td></tr><tr><td class="align_left">MQP_B_875_830_150D</td><td class="align_center">NdFeB (compression molded magnet)</td><td class="align_center">0.545</td><td class="align_center">1.3514</td></tr><tr><td class="align_left">NewlandMagnet_Sm2Co17_28F</td><td class="align_center">SmCo</td><td class="align_center">1.08</td><td class="align_center">1.1018</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 1

Table 1: Analysis of the Impact of Magnetic Materials on Cogging Torque in Brushless DC Motor 