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<h1 class="h1">康明斯柴油发电机电子速度控制器操作介绍</span></h1>
<div class="text">发布来源：康柴（深圳）电力技术有限公司　　发布日期: 2025-11-11　　访问量:90</div>
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<p>3044196，&nbsp;3062322，&nbsp;4914090，&nbsp;4914091类型调速板可以调成同步运行，或者调成有转速降的运转，分为常开和常闭两种系统。本文推荐的是发电机组或驱动柴油发电机上的cummins电子调速器EFC的工作机理、数据调整以及技术参数，<a href="http://www.gdkmsfdj.com" target="_blank">柴油机故障案例</a>，对用户准确、快速地排除该类机型的损坏</p><p>通过预先设定的转速值与来自柴油发电机飞轮壳上安装的磁电传感器的转速信号进行比较之后形成误差信号，再通过PID闭环运算电路，根据实际转速与设定速度的误差输出一个电流信号给执行器，完成对柴油发电机PT执行器油量增减的控制，从而实现对柴油发电机的转速控制。速度控制器控制电路如图1所示<a href="http://www.gdkmsfdj.com" target="_blank">柴油发电机显示屏符号</a>。</p><p>电磁速度传感器装在飞轮壳上。通过飞轮齿圈感应柴油发电机的转速。执行器装在PT泵内，改变执行器电流将使执行器的轴转动，从而改变柴油发电机的转速和功率。当CPU板J5第7脚的运行开关RUN闭合时，J1的1脚输出24V电压，PT泵电磁阀开关SWITCHED得电开启，EFC调速控制器4得电作业，使控制系统2的轴转到较大供油位置。同时，CPU板J1的第3脚输出起动信号到启动系统，使柴油发电机启动。</p><p>柴油发电机起动后，交流发电机的中点(N)电压(约12V)作为柴油发电机已起动的信号，通过J2的第3脚输入CPU控制板，从而切断J1第3脚输出的信号，使起动机停止工作。若一次起动困难，停10s后将自动再次起动，若持续三次无法启动，则停止起动，故障灯点亮。柴油发电机正常工作后，柴油发电机的各种数据通过J3插座输入CPU板，由J4输出各种报警灯信号。按J5的复位／灯检修按钮，可使CPU复位，同时进行各种报警灯测试，若所有报警灯都亮，说明整个报警控制系统作业正常。柴油发电机起动以后，EFC调速板把来自电磁传感器的电讯号与现有的参考点(W2)相比较，输出差压电流信号，使执行器2的轴转动，控制进入喷嘴的燃油流量，从而改变柴油发电机的速度和功率。</p><p>负载↑↓→(转速传感器3)柴油发电机速度↓↑→EFC速度控制器4输出电流↑↓→执行器2供油量↑↓→柴油发电机速度↓↑→使柴油发电机转速稳定在某一定值作业</p><p>（2）探头装配在柴油发电机的飞轮充体上的*螺孔内，安装时首先把探头拧到螺孔上，然后将其跪到底，使探头的顶部顶到飞轮的齿顶，再回调1/4圆，最后用钡紧螺母将其锁紧即可。</p><p>（3）传感器和执行器和速度微调电位器的连接线要采用屏蔽电缆，这样可以高效地预防外来电磁信号的干扰。电源连接线的面积要足够大，以满足控制器电流的需要，一般选1平方毫米以上的铜塑线.初次启动时，在怠速状态下启动柴油发电机，之后关机。检修确认执行器断电时油泵能回到断油位置.</p><p>3.使柴油发电机工作在怠速状态下，调节怠速电位器将速度设定在要求值上。顺时针调节增加速度，逆时针调整减少速度。</p><p>4.扳动高低速开关，使柴油发电机工作在高速状态下。调整高速电位器，将高速调到额定值上。同样顺时针调节增加速度，反之减轻速度.</p><p>5.在高低速状态下，若发生不稳定状况，可通过调节增益电位器来调稳定。产生快不稳定时，适量逆时针调增益电位器，直至稳定。出现慢不稳定期，适量顺时针调增益电位器，直至稳定。顺时针调整增益电位器能增加调速系统的灵敏度，即响应快慢。</p><p>6.增加负荷量，观查转速的稳定性及带载量。通常空载调稳定了，加载就没什么问题。如果发生加载不稳定或加载量不够等，除了检修控制器和执行器外，还应检测油泵、柴油发电机等。</p><p>7.飞车设定策略为∶先将高速调至保护点，之后再逆时针缓慢调节超速值设定电位器，直至保护电路动作，柴油发电机停车。接若再将高速电位器逆时针少量旋转，重新起动柴油发电机并调整高速设定电位器使转速到达额定值。</p><p>8.控制界面出厂的转速按感明斯飞轮118齿柴油发电机所设，总速为700转/分，额定转速1500转/分<a href="http://www.gdkmsfdj.com" target="_blank">柴油发电机十大品牌</a>，保护速度1650转/分。用户一般不需调节，可直接安装操作。</p></div><a href="http://www.gdkmsfdj.com/" target="_blank">http://www.gdkmsfdj.com</a>
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