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<p><span style="box-sizing: border-box; font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-weight: bolder; color: rgb(33, 37, 41); font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);">从两个方面考虑:</span><br/><span style="color: rgb(33, 37, 41); font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);">(1)首先查看伺服转速是否达到了限制值。</span><br/><span style="color: rgb(33, 37, 41); font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);"> P8.12:伺服最高转速;</span><br/><span style="color: rgb(33, 37, 41); font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);"> P4.31: 最大转速限制;</span><br/><span style="color: rgb(33, 37, 41); font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);"> P4.40: 正向速度限制;</span><br/><span style="color: rgb(33, 37, 41); font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);"> P4.41: 反向速度限制。</span><br/><span style="color: rgb(33, 37, 41); font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);">(2)观察R2.47电压利用率,是否达到了100%。当电机转速过高时,反电动势过高导致伺服驱动器输出电压饱和,无法再提升转速。最高转速估算方法:</span><br/><span style="color: rgb(33, 37, 41); font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);">例:电机反电动势为32Vrms/1000rpm,直流母线电压为310V【输入单相交流220V】</span><br/><span style="color: rgb(33, 37, 41); font-family: "Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-indent: 26px; background-color: rgb(255, 255, 255);"> 最高转速=1000*310*0.9/32/1.414=6200r/min</span></p> |