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How to determine the faults and maintenance methods of diesel generators

发表时间:2017-12-01 Article source : Couch motor manufacturersPost time: 2017-12-01

The management of diesel generator sets should have the knowledge of the generator set. When the diesel generator set is not operating normally, it should be timely found and eliminated based on the understanding of the expertise of the diesel generator set overhaul and maintenance. When a fault occurs during the operation Must be timely and accurately judged, and the problem of inability to restore power supply must be solved for the first time.

Maintenance of many years of field test experience by manufacturers of diesel generator sets, the causes of failure of diesel generator sets are generally as follows: small misunderstandings of users when the leader of the aircraft is unloaded or under load operating time, insufficient fuel combustion leads to serious The load capacity of the carbon generator; the oil and three filters do not change in time, affecting the output power setting of the diesel generator.
The installation in the engine room is not standard.The noise reduction measures are unreasonable and affect the power output.The control and protection sensor system is old and cannot provide the protection shutdown function.When the weather is cold, the water pipe age of the water heater; the unit's The radiator does not permeate the antifreeze or cooling water of the radiator in the winter. After the cold wave hits the crew in the winter, it will cause the vehicle body to freeze and malfunction. When the unit is operating, the generator coil will run for a long time under the rated power.
Brands of diesel generators should have separate machine rooms. Doors are usually locked to prevent non-workers from entering and exiting. This can prevent debris from entering the power plant because the state of the generator changes, such as automatically changing to manual or accidentally changing the direction The valve state will cause unnecessary troubles, to avoid the power from affecting the normal start of the diesel generator set.
The operation management of the diesel generator set should track the unit status, if there is a failure, whether it is necessary to clean the components, and whether the cooling water, oil viscosity and level are normal, and whether the cleanliness is normal. Only in this way can the diesel generator be carried out at any time when it needs to work Operation: The switch of the diesel generator set should be in the automatic start state, and it should be started for the first time during a power outage to reduce the power outage time.

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  • 发电机租赁必须对它的操纵规程有一定的认识
    Before starting, you should check whether the fuel volume of the fuel tank is rich, and there is no oil leakage in each oil pipe and the discussion area; whether the cooling system water is rich, clean and leak-free, and whether the fan belt is tight or not. The internal combustion engine and generator drive parts should be connected and trusted. The wires of the input line are well-insulated, complete and effective in all aspects. After starting, it should run at low speed for 3 to 5 minutes. After the temperature and oil pressure wheel are normal, the initial work can be done. The generator should be no different in the speed increase. Ring, the slip ring and commutator are well brushed, no jumping and sparking phenomenon. After the operation is stable and the frequency and voltage reach the rated value, power can be supplied to the outside.
  • 同步发电机一般常见问题的处理
    The diesel engine is working normally, but the generator fails to generate electricity or the voltage is very low. This may be due to the components associated with the generator, such as: the exciter is damaged, and the excitation voltage cannot be supplied. The excitation current is taken in. The rotor's dead center residual magnetism is weakened or declining. It will make the generator unable to generate electricity or the transmission voltage is extremely low. The right to respond is usually: use an appropriate DC voltage and directly connect to the excitation winding according to the polarity Magnetization. Carefully inspect the exciter and the cyclotron rectifier, find abnormal components or windings, and replace them for restoration. The generator's transmission voltage is unstable, and
  • 介绍柴油发电机组辨别冒烟颜色启动从预热开始
    Blue smoke, fire reason: It means that the engine is burning oil. There are three types of reasons: first, the piston ring goes opposite, and the oil comes in the cylinder; the second is the oil level of the oil pan of the atmosphere filter, which leads the ring. The height of the groove; Third, the gap between the duct and the valve stem is too poor. Expulsion idea: Adjust the piston ring so that the opening teeth of the ring are staggered 120 degrees or 180 degrees, and the opening teeth of the ring should avoid the piston pin hole and the side pressure is poor. Adjust the height of the oil level of the oil filter of the atmosphere filter below the height of the annular groove; if the clearance between the duct and the valve stem is too poor, replace the component and reduce the clearance. The normal mutual assistance clearance between the two is 0.0
  • 小负荷柴油发电机组在工作时有哪些故障
    In the power generation industry in China, we have been working hard, pursuing the concept of quality and service, and for the sake of customers, the full power generator chooses China and your generator is a professional housekeeper. At present, the diesel generator set maintenance market refers to damage inspection and routine maintenance. Two aspects: after maintenance refers to the failure of the diesel generator, there are problems with various accessories, such as replacing the generator or

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