大德汇成科技（厦门）有限公司
第6年
第6年 
第6年
来源：大德汇成科技（厦门）有限公司 时间：2025-03-03 02:42:24 [举报]
6SL3760-0HF00-0FF1
6SL3760-0HF00-0FF1
6SL3760-0HF00-0FF1
西门子变频器选型时的注意事项： 1、负载类型和变频器的选择：电动机所带动的负载不一样，对变频器的要求也不一样。 A：是普通的负载：对变频器的要求为简单，只要变频器容量等于电动机容量即可（空压机、深水泵、泥沙泵、快速变化的音乐喷泉需加大容量）。 B：起重机类负载：这类负载的特点是启动时冲击很大，因此要求变频器有一定余量。同时，在重物下放时，会有能量回馈，因此要使用制动单元或采用共用母线方式。 C：不均行负载：有的负载有时轻，有时重，此时应按照重负载的情况来选择变频器容量，例如轧钢机机械、粉碎机械、搅拌机等。 D：大惯性负载：如离心机、冲床、水泥厂的旋转窑，此类负载惯性很大，因此启动时可能会振荡，电动机减速时有能量回馈。应该用容量稍大的变频器来加快启动，避免振荡。配合制动单元回馈电能。 2、长期低速动转，由于电机发热量较高，风扇冷却能力降低，因此采用加大减速比的方式或改用6级电机，使电机运转在较高频率附近。 3、变频器安装地点必需符合标准环境的要求，否则易引起故障或缩短使用寿命；与驱动马达之间的距离一般不超过50米，若需更长的距离则需降低载波频率或增加输出电抗器选件才能正常运转。
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标签：6SL3760-0HF00-0FF1,板卡,电源,变频器
