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<h1 class="h1">康明斯柴油发电机功率无劲是什么因由？</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: 2025-04-23　　访问量:635</div>
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<p>摘要：柴油发电机的动力性事故是一种常见的多发性故障，总的特点是发电机发电量下降，往往还伴随着发电机排烟的烟色不好、温度偏高、运转不稳和启动困难等现状。康明斯公司整理了柴油发电机动力无劲的故障判断的相关知识，用以解决康明斯用户在柴油发电机操作环节中遇到的困惑。</p><p>燃油质量不佳，油清洁度和燃烧率都比过低，很容易出现燃烧不完，出问题油路事故，没有通过燃油管输送到燃烧室，从而使柴油发电机没有正常运行，柴油进入发电机燃烧室的量没达到标准的话，燃烧室没有足够的燃料点燃爆破，这会导致发电机组的动力越来小；</p><p>点火过早，导致可燃混合气早燃及爆震，使柴油发电机产生反转情形，使得动力下降<a href="http://www.gdkmsfdj.com" target="_blank">发电机厂家排行榜前十名</a>，点火过迟，会造成可燃混合气在燃烧室内燃烧迟缓，燃烧时间延长，消声器放炮，柴油发电机发热而功率不足；</p><p>动力输出是由柴油和空气之间形成混合气体从而点火发生动力的，进气量不足，会造成柴油发电机动力输出小，气缸严重磨损造成活塞、活塞环与气缸的配合间隙增加，密封性变差，引起气缸盖漏气，也会使动力输出不足；</p><p>一般来说，发电机组的动力是和排量成正比的，柴油发电机的排气量越大，发电机组的动力越大。如果柴油发电机本身的排量就不大，其动力自然也不会很高了。</p><p>如果柴油发电机的积碳长时间得不到清理，就会阻碍燃油的运输和燃烧，从而引起发电机组动力不足的症状。这种状况要及时对柴油发电机的积碳进行清理。</p><p>当柴油发电机温度偏高时，发电机组就会减轻动力从而减少柴油发电机的负载。这种状况是正常现状，只需要等到柴油发电机温度降到正常标准后动力就可以恢复。</p><p>活塞、活塞环，气缸严重损伤造成活塞、活塞环与汽缸的配合间隙增加，密封性变差，导致气缸盖漏气<a href="http://www.gdkmsfdj.com" target="_blank">柴油发电机组</a>，使气缸压缩压力减少。</p><p>如果燃油系统的压力不正常，特别是燃油系统压力过低时，在单位时间内喷油器的喷油量就会减小，从而造成混合气过稀，发电机的动力性将大大下降，造成发电机动力不足。</p><p>如果喷油嘴的孔径由于积炭堵塞或者损伤而出现变化，那在燃油系统压力和喷油脉冲宽度不变的情形下，喷油嘴的实际喷油量将减少，导致发电机供电不足。此外，若喷油雾化不好，将影响混合气的燃烧品质，导致发电机功率不足。</p><p>用真空表检修进气系统有无漏气。检查点火正时，在发电机怠速时点火提前角应为10°—15°左右，如不准确，应调整发电机的点火提前角。</p><p>如果进气系统堵塞或漏气<a href="http://www.gdkmsfdj.com" target="_blank">柴油发电机故障图标大全</a>，必然危害发电机的充气效率，造成发电机动力和加载性能下降。主要该当检修空气滤清器、进气管道及各种真空软管有无堵塞或漏气。</p><p>排烟系统的背压一般控制在2.5个大气压以内，如果由于排烟管堵塞而造成排烟装置的背压过度，必然造成气缸内残余的废气含量增大，从而造成混合气的燃烧转速下降，汽缸的高效压力减轻。造成排烟系统背压增大的原由具体有排烟管堵塞、排气消音器变形或三元催化切换器等，应检查这些部件。</p><p>在压缩行程终了时，气缸内的压力对混合气的燃烧品质影响很大。如果压缩终了时气缸内的压力小，混合气的燃烧速度就低，发电机的高效容量就越小，越不利于发电机动力性能的发挥，造成发电机功率不足，加载不好。造成汽缸压缩压力下降的因由有汽缸和活塞之间的间隙过度、汽缸垫的密封性下降、气门漏气、配气相位失准、进气阻力过大等。</p><p>发电机的凸轮轴详细控制配气相位并带动凸轮轴位置探头的信号盘转动，以便准确反应凸轮轴的旋转角度。如果在凸轮轴装配程序中错位、或者凸轮轴驱动轮和凸轮轴之间松旷，将造成配气相位失准，危害发电机性能的发挥。</p><p>②&nbsp;操作故障解除仪检查飞轮信号盘与油泵凸轮信号盘是否同步，若仍功率不足转下一步。</p><p>③&nbsp;操作故障诊断仪进一步检测轨压是否正常，如轨压异常，有可能是喷油嘴、共轨管、高压油泵、ECU致使。</p></div><a href="http://www.gdkmsfdj.com/" target="_blank">http://www.gdkmsfdj.com</a>
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