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6SL3352-3AG31-2AA0
6SL3352-3AG31-2AA0
转子每转一圈在定子线圈的一匝中能感应构成几个周期电流分歧的极数,要发生50Hz的电势就需要相应的分歧转速。
极数反映电动机的同步转速,同步转速n与磁场磁极对数P的关系:n=120f/p,n为转速单位r/min,f为频率,单位Hz,p磁极。2级同步转速是3000r/min,4极同步转速是1500r/min,6极同步转速是1000r/min,8极同步转速是750r/min。电机的极对数越多,电机的转速就越低,扭矩就越大。
大转速是在特定条件下,转速所能达到的大值。如硬盘内电机主轴转速,也就是硬盘盘片在正常工作电压条件下,所能达到的大转速。转速的快慢是标示硬盘档次的重要参数之一,它是决定硬盘内部传输率的关键因素之一,在很大程度上直接影响到硬盘的速度。硬盘的转速越快,硬盘寻找文件的速度也就越快,相对的硬盘的传输速度也就得到了提高。
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A06B-6089-H207 A06B-6096-H105 A06B-6102-H322#H520
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