变频器运行报OL1与OL2故障

<p style="line-height:36px;background:white"><strong><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">OL1</span></strong><strong><span style="font-size:18px;font-family:宋体;color:#333333">与</span></strong><strong><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">OL2</span></strong><strong><span style="font-size:18px;font-family:宋体;color:#333333">故障：</span></strong></p><p style="line-height:36px;background:white"><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">OL</span><span style="font-size:18px;font-family:宋体;color:#333333">是通过软件比较计算后报出的保护电机或变频器的故障，都属</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">“</span><span style="font-size:18px;font-family:宋体;color:#333333">软</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">”</span><span style="font-size:18px;font-family:宋体;color:#333333">故障，可以通过调试解决，一般不涉及维修。</span></p><p style="line-height:36px;background:white"><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">OL1</span><span style="font-size:18px;font-family:宋体;color:#333333">可能是：（</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">1</span><span style="font-size:18px;font-family:宋体;color:#333333">）电网电压过低；（</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">2</span><span style="font-size:18px;font-family:宋体;color:#333333">）电机额定电流设置不正确，偏大偏小都可能导致；（</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">3</span><span style="font-size:18px;font-family:宋体;color:#333333">）电机堵转或负载突变过大；（</span><span style="font-size: 18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">4</span><span style="font-size:18px;font-family:宋体;color:#333333">）大马拉小车。</span></p><p style="line-height:36px;background:white"><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">OL2</span><span style="font-size:18px;font-family:宋体;color:#333333">可能是：（</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">1</span><span style="font-size:18px;font-family:宋体;color:#333333">）加速太快；（</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">2</span><span style="font-size:18px;font-family:宋体;color:#333333">）对旋转中的电机实施在启动；（</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">3</span><span style="font-size:18px;font-family:宋体;color:#333333">）电网电压过低；（</span><span style="font-size:18px;font-family:&#39;Helvetica&#39;,sans-serif;color:#333333">4</span><span style="font-size:18px;font-family:宋体;color:#333333">）负载过大。</span></p><p><br/></p>