美国GE模块IC200ACC301新闻动态
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品牌名称：$brandModel.Title(进口品牌)型号： 原产地：中国大陆 发布时间：2019/9/6 10:12:22更新时间：2024/7/18 14:43:03
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| 美国GE模块 | IC200ACC301 | 新闻动态 |
| 美国GE模块 | IC200ACC301 | 新闻动态 |
本公司中海德（福建）工业设备有限公司专业销售大型进口各种品牌DCS系统模块备件：主营产品：DCS集散式控制系统、PLC可编程控制。
主要业务: ABB DCS卡件Ovation系统模块Foxboro系统卡件Triconex系统模块
Rexroth力士乐全系列产品Modicon停产模块 等各类工控产品施耐德140系列CPU,PLC
西门子6DD，6FX，6SC，6FC，6S5系列AB1746，1756，1747，1785系列PLC
GE 通用电气 发那科
订购专员：陈小真
订购热线：18005006971/ 0591-
在线咨询qq：
传真：0591-83489960
地址：福建省福州市区乌龙江大道正荣财富中心B座八层
4、负载惯性
有些场合例如大部分通风管道，对电机及时停下并无要求，有的传输带则要求及时停下来，因此也可以作为选购变频器的参考条件。
一台西门子变频器，是可以控制多台电机的。这种应用情况，我们通常称为“一拖多”。运行多年也很少出故障。不过变频器一拖多要注意以下几点：
1、控制方式一定要用线性的V/F控制
2、一拖多仅运用于对电机转速调节无严格要求的场合；
3、各个电机额定电流的总和要小于变频的额定电流；
4、各个电机上要加装独立的热继电器。
5、各电机功率尽量一致
6、各输出回路物理特性差异尽量小，包括：
A、电机特性，如转速；
B、电缆特性，如截面积，长度，材料。
7、如果电机特性基本一致，电缆长度接近变频器允许的极限长度时可采取增加出线电抗器、降低开关频率、适当加大变频器等方法。
对于中端应用，客户在选择变频器时，通常都会考虑西门子或者ABB。的确，在高端的某些特殊行业，比如起重、轧钢等，个人觉得使用西门子等国外品牌的变频器，也会多一点保障，少出一点故障的。后期使用上还是省心不少的哦。
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