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<h1 class="h1">柴油发电机供油系统控制的工作原理</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: 2025-12-27　　访问量:11</div>
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<p>在要点较高的备用电站中，一般都设自起动机组<a href="http://www.szkcfdj.com" target="_blank">柴油发电机十大厂家</a>。当自柴油发电机起动机组投入应急状态时，就需要机组的各个系统都处于应急状态。冷却水和润滑油都要有一定的温度，即要设预热装置；为了使开机后能很快带负荷、防范润滑油不到位使机组故障，即要设预润滑系统；若选取压流式供油还要及时打开进油阀门和输油泵（指另设输油泵的机组），若采取自流式供油还应根据日用油箱油位自动启动供油泵，以保证供油装置的正常运行。</p><p>设置自动预热系统是为了适应机组应急自起动合闸后的快速加载要求和减小较大机组在备用起动快速开频时产生骤变的热应力。xn6柴油发电机组_康明斯柴油发电机-重康动力</p><p>预热装置通常选择管形加热器，在机组冷却系统和润滑系统管路的较低位置上设置。通过局部管路介质的加热，使机体内防锈水和润滑油在温差用途下进行自循环，以达到预热机组的目的。xn6柴油发电机组_康明斯柴油发电机-重康动力</p><p>预热装置应选取自动温度控制。当机组投入应急状态时自动投入作业，机组起动成功后预热装置应自动撤出工作。预热温度控制范围通常设计在35～65℃。即当水、油温度低于35℃时，自动接通管形加热器电源，当温度高于65℃时自动切断加热器电源，使机组在应急准备启动时期始终保持一定的温度。xn6柴油发电机组_康明斯柴油发电机-重康动力</p><p>水油温度控制元件应结合机组热工保护和测定系统统一考虑。通常可采用XCT-122动圈式调节仪，其温度传感元件配用WZC或WZB型普通铜热或铂热电阻。调整仪继电器输出高低位信号分别整定于35℃和65℃，用以控制预预热装置。当机组启动成功后，调整仪则可作为温度数据远距离检测的指示仪操作。xn6康明斯发电机组_康明斯柴油发电机-重康动力</p><p>表1&nbsp; &nbsp;发电机XCT系列动圈式仪表具体性能参数xn6柴油发电机组_cummins柴油发电机-重康动力</p><p>设置预润滑系统是为了在机组备用准备启动期间有一定的润滑条件，以保证机组顺利起动和预防启动后运动机件的干摩擦。机组自动预润滑系统通常有周期性自动预润滑和直流电动泵预润滑两种步骤。xn6康明斯发电机组_cummins柴油发电机-重康动力</p><p>周期性自动预润滑一般是选用一台电动齿轮油泵接入柴油发电机原润滑油循环装置。当机组投入应急准备启动时，该油泵开始作间隙性工作，由电气控制实现周期性定期泵油。通常每隔4～6h泵油一次，每次泵2～5min即可。当机组应急启动成功后则应使该油泵退出作业。这种预润滑方式控制大概，润滑装置改装也较容易，因此被广泛采取。xn6柴油发电机组_cummins柴油发电机-重康动力</p><p>直流电动泵预润滑装置选择一台直流电机传动的齿轮油泵并接于柴油发电机原润滑装置。油泵选取24V直流蓄电池供电。作业情形是：当外电中断后，由自起动系统控制，先起动该预润滑油泵进行泵油预润滑几秒到几十秒钟，待机组建立一定的润滑油压时开始备用启动康明斯发电机组。当机组采用遥控起动时<a href="http://www.szkcfdj.com" target="_blank">东风康明斯发电机官网</a><a href="http://www.szkcfdj.com" target="_blank">康明斯发电机官方厂家</a>，则可通过人工远距离起动预润滑油泵，以建立必要的润滑因素。xn6康明斯发电机组_cummins柴油发电机-重康动力</p><p>该步骤的好处是控制简单，在备用准备期间不必进行预润滑。弊端是采用直流电源，增加了起动（控制）蓄电池的负担，应急自起动恢复供电时间相对加长。xn6柴油发电机组_cummins柴油发电机-重康动力</p><p>在具有备用自起动功能的机组中，必须保证应急启动时和启动后燃油供给路径的畅通，因此要设置自动控制办法来达到要求。xn6康明斯发电机组_cummins柴油发电机-重康动力</p><p>通常柴油发电机进油采用自流式，日用油箱的位置应高于柴油发电机进油口，在日用油箱与柴油发电机进油口之间一般设手动油用阀门，在机组投入应急状态时，该阀门应开启，此时日用油箱的补充应选用自动控制。xn6柴油发电机组_cummins柴油发电机-重康动力</p></div><a href="http://www.szkcfdj.com/" target="_blank">http://www.szkcfdj.com</a>
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