P0500ZL

描述

一台变频器同时带几台甚至几十台电机，所有电机的速度都由同一台变频器的输出频率控制，理论上所有电机的速度是一致的，并且能保证同时升速与降速。

但是由于电机制造上的差异，或者电机所带负载大小的不同，每台电机的实际运行速度是有差异的，并且系统内没有纠正这种差异的机制，也无法安装纠正差异的机构，所以在一些设备之间没有连接的场合，这种控制方法肯定会产生积累误差。

把变频器看成供电电源，在一些刚性连接的系统中，运转得稍快的电机，负载会重；而运转得稍慢的电机负载会轻。但因是同一个变频器驱动，负载重的转差率变大，负载轻的转差率变小，这样就会有一定的自动纠正能力，最终会使各台电机保持同步运行，但是负载分配是不均匀的，一般在选择电机时要把电机功率放大一级。

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我司产品应用于以下领域：

1,《发电厂DCS监控系统》

2,《智能平钢化炉系统制造》

3,《PLC可编程输送控制系统》

4,《DCS集散控制系统》
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5,《智能型消防供水控制系统》

6,《化工厂药液恒流量计算机控制系统》

7,《电气控制系统》造纸,印染生产线,变电站综合自动化控制系列

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