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1785-L26B
点击次数：8发布时间：2017/2/16 15:39:28
更新日期：2017/2/16 15:39:28
所 在 地：中国大陆
产品型号：1785-L26B
相关标签：1785-L26B
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1785-L26B
1785-L26B
三、 加减速时间
加速时间就是输出频率从0上升到频率所需时间，减速时间是指从频率下降到0所需时间。通常用频率设定信号上升、下降来确定加减速时间。在电动机加速时须限制频率设定的上升率以防止过电流，减速时则限制下降率以防止过电压。
加速时间设定要求：将加速电流限制在变频器过电流容量以下，不使过流失速而引起变频器跳闸；减速时间设定要点是：防止平滑电路电压过大，不使再生过压失速而使变频器跳闸。加减速时间可根据负载计算出来，但在调试中常采取按负载和经验先设定较长加减速时间，通过起、停电动机观察有无过电流、过电压报警；然后将加减速设定时间逐渐缩短，以运转中不发生报警为原则，重复操作几次，便可确定出*佳加减速时间。
备货，备货，降降降，火火火，火火火……
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公司名称：厦门泰尼电气有限公司
联系人：小黄（销售代表）
联系电话：
传真号码：（麻烦备注01006收）
手机：18950191386
QQ号码:2917675397
邮箱：2917675397@qq.com
诚信经营，质量为首，诚信至上，泰尼电气小黄竭诚为您服务！！！
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