很多客户在使用燃气发电机组时，由于对该发电机组的操作不熟悉而出现误操作，很容易造成发电机组的损坏。因此，我们将在此详述，并将这些容易出现的错误操作介绍如下：

When many customers use the gas-fired generator set, they are not familiar with the operation of the generator set and misoperation occurs, which is easy to cause damage to the generator set. Therefore, we will elaborate here and introduce these error prone operations as follows:

1、冷启动后带载运行不预热

1. No preheating during on load operation after cold start

发电机冷启动时，由于机油粘度高、流动性差，油泵供油不足，机器摩擦面因缺油润滑不良，导致快速磨损和撕裂，甚至出现拉缸、烧瓦等故障。因此，燃气发电机组冷却启动后，应怠速运行升温，待备用油温达到40℃以上时带载运行；机器应低档启动，各档依次行驶一段里程，直至油温正常，供电正常。油量充足后，即可转入正常行驶。

During the cold start of the generator, due to the high viscosity and poor fluidity of the engine oil, insufficient oil supply from the oil pump, and poor lubrication of the machine friction surface due to lack of oil, rapid wear and tear are caused, and even cylinder pulling, Bush burning and other faults occur. Therefore, after the gas generator unit is cooled and started, it shall run at idle speed for temperature rise, and operate with load when the standby oil temperature reaches more than 40 ℃; The machine shall be started at low gear, and each gear shall be driven for a certain mileage successively until the oil temperature is normal and the power supply is normal. When the fuel is sufficient, you can turn to normal driving.

2、带负载紧急停机或突然卸载负载后立即停机

2. Emergency stop with load or stop immediately after sudden load unloading

燃气发动机熄火后，冷却系统水的循环停止，散热能力急剧下降，受热部位失去冷却，容易造成缸盖、缸套、缸体等部位过热，导致卡在缸套中的活塞出现裂纹或过度膨胀。另一方面，如果燃气发动机怠速不冷却就停机，摩擦面将没有足够的油，当发电机重新启动时，会因润滑不良而加剧磨损。因此，应在燃气发动机熄火前卸荷，逐渐降低转速，空载运行几分钟。

After the gas engine stalls, the water circulation of the cooling system stops, the heat dissipation capacity drops sharply, and the heated parts lose cooling, which is easy to cause overheating of the cylinder head, cylinder liner, cylinder block and other parts, resulting in cracks or excessive expansion of the piston stuck in the cylinder liner. On the other hand, if the gas engine is shut down without cooling at idle speed, there will not be enough oil on the friction surface. When the generator is restarted, the wear will be aggravated due to poor lubrication. Therefore, the gas engine shall be unloaded before flameout, the speed shall be gradually reduced, and the no-load operation shall be carried out for several minutes.

3、在油量不足时运行

3. Operation in case of insufficient oil

此时，供油不足会导致各摩擦副表面供油不足，造成异常磨损或烧伤。为此，必须在机器启动前和发电机运转过程中保证有足够的机油，以防止因缺油而导致拉缸和烧瓦的故障。

At this time, insufficient oil supply will lead to insufficient oil supply on the surface of each friction pair, resulting in abnormal wear or burns. For this reason, it is necessary to ensure that there is enough oil before the machine is started and during the operation of the generator, so as to prevent cylinder pulling and Bush burning caused by lack of oil.

相关的方法措施如下：

Relevant methods and measures are as follows:

防范措施

Preventive measures

每日定点巡检，检查机组的各项参数，上位机系统可设置报警值。检查燃气发电机的转速、频率、出口电压、功率、机油压力、冷却水温度以及蓄电池电压等参数。现场查看燃气发电机冷却风扇的运转情况，冷却水管路和机油管路的渗漏情况，同时查看机油液位和冷却水液位。现场辨听燃气发电机运行时有无异常声响。手持测温枪对冷却风扇电机壳和气缸进行温度检测。

Daily fixed-point patrol inspection, focusing on the inspection of various parameters of the unit, and the upper computer system can set the alarm value. Check the speed, frequency, outlet voltage, power, oil pressure, cooling water temperature, battery voltage and other parameters of the gas generator. Check the operation of the cooling fan of the gas generator, the leakage of the cooling water pipe and oil pipe, and check the oil level and cooling water level at the same time. Identify whether there is abnormal sound when the gas generator is running on site. Hold a temperature measuring gun to detect the temperature of the cooling fan motor housing and cylinder.

参考厂商提供的燃气发电机组维保手册，结合现场实际运营经验，制定并严格执行合规的维保规程。不同的维保级别对应不同的项目检查和部件更换。维保要做到全面，检查气门间隙，气门凸出量调整，曲轴箱呼吸器清洁，火花塞检查，正时传感器清洁，延时继电器和其他电气元件的检查，水路和油路的检查等。同时，控制系统接线松紧度以及各传感器探头的检查校准。

Refer to the maintenance manual of gas generator set provided by the manufacturer, and combine with the actual operation experience on site, formulate and strictly implement the compliant maintenance procedures. Different maintenance levels correspond to different item inspections and component replacement. The maintenance shall be comprehensive, focusing on valve clearance, valve projection adjustment, crankcase breather cleaning, spark plug inspection, timing sensor cleaning, time delay relay and other electrical components inspection, water and oil circuit inspection, etc. At the same time, the tightness of the wiring of the control system and the inspection and calibration of each sensor probe.

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