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      <h1>【技术分享专栏】ABB变频器对于多泵系统的几种控制方式</h1>
      <h3>2022-02-18<i></i>发布者：<a href='https://www.xajiason.com/'>西安嘉迅机电科技有限公司</a><i></i><!--<a href="http://www.xajiason.com/">变频器维修</a>--><i></i><!--<a href="http://www.xajiason.com/">西安自动化控制柜生产厂家</a>--></h3>
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    <p><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 西安嘉迅在水、和污水行业应用中，代理的<strong><a href="http://www.xajiason.com/e/action/ListInfo/?classid=81">ABB变频器</a></strong>能够提供卓越的解决方案。本期小编将为您介绍<a href="http://www.xajiason.com/e/action/ListInfo/?classid=81"><strong>ABB变频器</strong></a>对于多泵系统的几种控制方式。</span></span><br />&nbsp;</p>
<div style="text-align: center;"><img alt="" src="/d/file/p/2022/02-18/6fa9261e04e327552e34933f0f67f2ee.jpg" style="width: 500px; height: 474px;" /></div>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-size:14px;"><span style="font-family:微软雅黑;">如图1所示，泵和风机控制（PFC），这是最简单的一种控制方式，用于包含一个变频器和多个泵的泵系统。变频器本身控制一个泵的速度，同时通过RO继电器输出控制接触器将其他泵直接连接到供电网络（或断开供电网络连接）。即该系统包括1个变频泵，多个直启泵，PFC控制逻辑通过过程控制PID反馈的变量变化，根据需要接通和断开直启泵。</span></span><br /><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 适用变频器型号：<a href="http://www.xajiason.com/e/action/ListInfo/?classid=81"><strong>ABB变频器</strong></a>ACS530系列，<a href="http://www.xajiason.com/e/action/ListInfo/?classid=81"><strong>ABB变频器</strong></a>ACS580系列，<a href="http://www.xajiason.com/e/action/ListInfo/?classid=81"><strong>ABB变频器</strong></a>ACQ580系列，<a href="http://www.xajiason.com/e/action/ListInfo/?classid=81"><strong>ABB变频器</strong></a>ACH580系列</span></span><br /><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;"><strong>&nbsp;&nbsp;&nbsp; <span style="color:#FF0000;">优点</span></strong></span></span><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 接线简单，易于实现<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 多泵系统只用1台变频器，成本低</span></span><br /><br /><strong><span style="font-family:微软雅黑;">&nbsp;<span style="font-size:14px;">&nbsp;&nbsp; <span style="color:#FF0000;">缺点</span></span></span></strong><br /><span style="font-size:14px;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family:微软雅黑;">多泵系统启动、停止直启泵时水压或流量波动较大，对管网冲击较大</span></span><br />&nbsp;</p>
<p style="text-align: center;"><img alt="" src="/d/file/p/2022/02-18/a007d23f5a9a26f48c39f60c4a6cb021.jpg" style="width: 500px; height: 475px;" /></p>
<p><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp; 如图2所示，泵和风机软启控制（SPFC），用于替代PFC逻辑的变化形式。在这种多泵系统中同样只要一台变频器和多个泵，同一时刻只有一台变频泵运行，只是在负荷增加需要加泵时该台变频泵会切换到电网运行，然后由变频器去启动下一台泵，使泵启动时达到软起动的效果。SPFC逻辑是实现直接软起动在线（辅助）电机的简单方法。<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PFC和SPFC控制逻辑之间的主要区别在于泵的启动方式，前者是变频泵用变频器启动，辅助泵直接启动，后者是所有泵都通过变频器启动。<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 适用变频器系列：ABB变频器ACS530系列，ABB变频器ACS580系列，ABB变频器ACQ580系列，ABB变频器ACH580系列</span></span><br /><br /><br /><span style="color:#FF0000;"><span style="font-family:微软雅黑;"><strong>&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-size:14px;">优点</span></strong></span></span><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 相比PFC控制对管网的冲击较低<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 多泵系统只用1台变频器，成本低</span></span><br /><br /><span style="font-size:14px;"><span style="color:#FF0000;"><strong><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp; 缺点</span></strong></span></span><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 需要外围辅助回路配合，直接接线复杂，对管网有一定冲击</span></span><br />&nbsp;</p>
<p style="text-align: center;"><img alt="" src="/d/file/p/2022/02-18/1c64b4a4cefc16e5a4ab6ab56faf66fc.jpg" style="width: 500px; height: 487px;" /></p>
<p>&nbsp;&nbsp; <span style="font-size:14px;"><span style="font-family:微软雅黑;">如图3所示，智能多泵控制（IPC）是一种多泵控制系统，由几台泵组成，每台泵均与单独的变频器连接。系统中所有泵的启动、停止都是平滑的过程，避免了管网的冲击和压力、流量的波动。变频器之间通过内置现场总线通讯（I2I）进行通讯。这种布置方式为负载分配提供了高度的灵活性和冗余性，平衡泵之间的运行时间，保证每个泵的最佳运行状态。所有泵的顺序可以定义，以更好的平衡运行时间（运行时间最少的泵最先启动），也可以定义通过泵的效率等级来设置泵的优先级。如果在一台泵出现故障或需要维护时，其它泵可以自动接管运行，实现了多泵系统的高冗余性。根据负荷需求，系统会自动逐个启动或停止泵。<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 在该系统中，同一时间只能由一台变频器作为主设备，最多支持七个从设备，主变频器控制整个多泵系统，并执行以下任务：</span></span><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 激活和禁用从变频器<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 根据内部设定值用其内部 PID 回路控制调节系统速度<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 处理 I/O 信号</span></span><br /><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 适用变频器系列：ABB变频器ACQ580系列，ABB变频器ACH580系列</span></span><br /><br /><span style="color:#FF0000;"><strong><span style="font-size:14px;"><span style="font-family:微软雅黑;">优点</span></span></strong></span><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp; 根据工艺需求优化能源效率<br />&nbsp;&nbsp;&nbsp; 多泵系冗余设计，避免计划外停机<br />&nbsp;&nbsp;&nbsp; 平衡运行时间，降低维护时间间隔<br />&nbsp;&nbsp;&nbsp; 加、减泵过程平滑，避免压力、流量波动及对管网的冲击<br />&nbsp;&nbsp;&nbsp; 无需PLC，降低系统的复杂性和安装成本<br />&nbsp;&nbsp;&nbsp; 易于维护和更换</span></span><br /><br /><span style="font-size:14px;"><span style="color:#FF0000;"><strong><span style="font-family:微软雅黑;">缺点</span></strong></span></span><br /><span style="font-size:14px;"><span style="font-family:微软雅黑;">&nbsp;&nbsp;&nbsp;&nbsp; 相比PFC和SPFC，需要多台变频器，成本较高<br /><br />相关推荐：<a href="http://www.xajiason.com/e/action/ListInfo/?classid=81">ABB变频器</a>、<a href="http://www.xajiason.com/e/action/ListInfo/?classid=31">ABB变频器维修</a></span></span></p>
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