ACS800变频器控制电机转速问题 点击:3624 | 回复:5



ningyu

    
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发表于:2011-10-26 13:16:44
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使用ACS800变频器控制电机运行,电机运行启动后,实际转速与设定转速不一致,总是低于设定转速几十转左右。

求哪位高手指点下?

 

 




jq477834166

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发表于:2011-10-26 14:40:41
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你用的是直接转矩控制吧,他只追求转矩一致

ningyu

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发表于:2011-10-26 15:15:19
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回复内容:
对:jq477834166 关于

你用的是直接转矩控制吧,他只追求转矩一致

内容的回复:

是啊,电机控制是采用DTC模式,但是变频器26.01组参数设定值是1,速度控制模式

ningyu

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发表于:2011-10-26 16:03:27
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有没有哪位仁兄比较懂啊 求大家帮忙解答啊 谢谢

青岛黄工

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发表于:2011-10-26 19:51:39
4楼
如果这么较真的话,又要力矩控制又要速度控制,最好用闭环吧,编码器加DTC。

小浪人

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发表于:2011-10-26 22:07:54
5楼
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