7 tips to avoid diesel generator burnout

Diesel generators are the backup emergency power supply for many corporate factories, hospitals, large shopping malls, field projects, etc. Because of their good power generation efficiency and convenience, they have become a substitute for other energy generators. However, during the operation of the diesel generator set, the unit is often damaged or burned due to improper operation or poor maintenance. Therefore, when operating the generator set, in addition to taking various necessary technical protection measures before operation, In addition, we also need to pay attention to the following points:

1. Keep it clean and tidy

When the diesel generator set is in operation, if the environment it is in is relatively harsh, such as dust, water stains and other debris, these debris may enter the interior and may form a short-circuit medium, thereby damaging the insulation layer of the wire and causing an inter-turn short circuit. , the current increases, the temperature rises and the diesel generator set is burned. Therefore, in addition to placing the generator set in a relatively clean and tidy place, dust, water stains and other debris should also be prevented from entering the inside of the diesel generator set. Therefore, the outside of the diesel generator set must be cleaned frequently to ensure the normal operation of the unit.

2. Avoid peculiar smell or noiseDoes the diesel generator set have any vibration, noise and abnormal smell? When the diesel generator set is in operation, especially the high-power diesel generator set, it is necessary to frequently check whether the anchor bolts, diesel generator end covers, bearing glands, etc. are loose, whether the grounding device is reliable, whether the pipe connections are loose, etc. In terms of sound, if it is found that the vibration of the diesel generator set is intensified, the noise is increased, and there is an odor, the generator set must be stopped as soon as possible, and the generator set can be started again only after the cause is identified and the fault is eliminated.

3. Keep the current stable

Excessive load of the diesel generator set, too long load time, too low voltage or mechanical jamming will cause the diesel generator set to overload, and overload operation will cause irreversible damage to the unit. Therefore, when the diesel generator set is in operation, it is necessary to adjust the control. Unless the power consumption is too large, the operating power must not be increased. Pay attention to frequently checking whether the transmission device is running flexibly and reliably, and whether the coupling is functioning properly. Whether the concentricity is standard, and the flexibility of gear transmission, etc. If any jamming is found, the generator should be shut down immediately to eliminate the fault before running the generator set again.

4. Regularly inspect and maintain control equipment

The quality of the diesel generator set's control equipment plays a decisive role in the normal start-up and operation of the diesel generator set. Therefore, the control equipment of the diesel generator set should be located in a dry, ventilated and easy-to-operate location, and should be regularly dusted and inspected and maintained. It is necessary to frequently check whether the contactor contacts, coil cores, wiring screws, etc. are reliable, and whether the mechanical parts are flexible to keep them in good working condition, so as to ensure that the diesel generator set works smoothly without being damaged or burned.

5. Periodically check the operating temperature

It is necessary to periodically check whether the bearings of the diesel generator set are overheated and whether they are short of oil. If the temperature rise near the bearings is found to be too high, the engine should be shut down immediately for inspection. The generator set can only be operated after ensuring that it is normal. Check whether there are cracks, scratches or damage on the rolling elements and raceway surfaces of the bearing, whether there is large shaking in the bearing clearance, whether the inner ring rotates on the shaft, etc. If any abnormality occurs, it needs to be replaced.

6. Check the fuelRegardless of whether it is diesel or engine oil, once it does not meet the usage regulations, it will definitely cause incomplete combustion and abnormal operation of the unit. Long-term use will cause irreversible damage to the unit and increase the cost of later maintenance. In terms of power, it will cause low power generation efficiency and affect production.

7. Check the three-phase current balance

For a three-phase asynchronous diesel generator set, the difference between any one of its three-phase current and the average current of the other two phases is not allowed to exceed 10%, so as to ensure the safe operation of the diesel generator set. If it exceeds, it indicates that the diesel generator set is faulty, and the cause should be found out and the fault should be eliminated before operation.

Various problems with diesel generator sets often occur because we ignore the fact that the unit is actually a relatively precise instrument during use. Therefore, many people experience various faults and problems when using it to generate electricity, which in turn affects the Our process, therefore, requires us to develop good usage habits and follow the unit's safety operation manual to use the generator set.