A、<span style="font-family: 宋体; font-size: 14px;"><span style="font-family: 宋体;">增加励磁线圈电流</span></span></p><p></p>
B、<span style="font-family: 宋体; font-size: 14px;"><span style="font-family: 宋体;">增加励磁线圈匝数</span></span></p><p></p>
C、<span style="font-family: 宋体; font-size: 14px;"><span style="font-family: 宋体;">减小转子齿顶与定子间的间隙</span> </span></p><p></p>
D、<p style="line-height: 150%; text-indent: 28px; -ms-text-autospace: ideograph-numeric;"><span style="line-height: 150%; font-family: 宋体; font-size: 14px;"><span style="font-family: 宋体;">加速冷却电涡流产生的热量</span></span></p><p></p>