What to do if the car generator makes abnormal noises

Introduction What should I do if there is an abnormal noise in the car generator? There are several reasons why the abnormal noise in the car generator makes noise: 1. There is a high probability that the bearings. make noise, and the reason is this

What to do if the car generator makes abnormal noises

There are many reasons for the abnormal noise of the car generator. Motor bearings, belts and brushes will all make noise:

1. There is a high probability that the bearings will make noise. noise, and the reason is this. The most common fault is bearing noise;

2. Generally, it is caused by the noise of the bearing, or the bearing is damaged, friction occurs between the rotor and the stator, or the. Generator fan blades are loose. If the bearing is noisy or damaged, you can replace a bearing. Replacing the bearing is not a big project, it costs tens to hundreds of dollars. Then service the generator rotor slip ring and replace the carbon brush;

3. If the fan blade is loose, it's easier, just tighten it. If the car has not expired the warranty period, it would be better to simply replace itlaced with a new alternator. Of course, you have to go to the 4S store and ask for a new alternator, and it must be the original product. factory products are strictly rejected. In case of abnormal noise problems, you can directly request a replacement. The main thing is to see if the replacement item is original.

4. One thing to be careful about is that you can't do it before then. If you go to other repair shops for disassembly, you can only go to the 4S store for inspection, otherwise the 4S store will say that you have disassembled and repaired elsewhere and will do so. does not guarantee repair;

5. Another possibility is that the belt is making noise. If this happens, it is recommended to check it first. If the belt is making noise, this may be the case. be too tight or too loose. If it cannot be resolved, it can only be replaced. Do not wait until the fault becomes grave before checking, otherwise it will affect your normal driving.

Millions in car purchase subsidies

What is an external rotor wind turbine?

The generator generates a lot of heat when it runs to produce electricity. There must be cold air passing between the stator and rotor, so there are fan blades on one end of the generator. The high-speed fan blades want to blow the cooling air, and there should be a grid-shaped grille. The net outside (mostly circular and enclosed) is the generator windshield, which protects the fan blades to prevent objects from falling onto the fan blades.

Wind turbines are actually made up of two parts, one is the wind turbine (blade) and the other is the generator. The generator is no different from a regular generator. A generator is mainly composed of a rotor and a stator. GenGenerally, the rotor of a generator mainly consists of the main shaft and the wire windings on the shaft, which are rotating parts. The stator is mainly composed of magnets and housings, which are fixed; parts. The so-called external rotor motor is exactly the opposite. The magnet and housing rotate, but the main shaft does not rotate. According to the principle of power generation, as long as there is relative movement between the wire and the magnet, the wire will cut the magnetic lines of force and generate current. Therefore, whether the main shaft drives the rotating wire or the shell drives the wire. magnet to rotate, it can generate electricity. However, due to the large rotating radius of the housing, large generators generally do not use external rotors.

The principle of the wind turbine is as follows: the wind blows on the blades and the blades rotate. The wind turbine shaft and the generator main shaftare connected together to drive the rotation of the main shaft of the generator and the outside. The case is fixed. This is the commonly used internal rotor wind power; if the wind turbine shaft is connected to the generator case, it will drive the generator case to rotate. The main shaft should be fixed and not rotating, which is the external rotor wind turbine. The ceiling fan mentioned upstairs is indeed a good example. The ceiling fan motor is an external rotor motor. The structure of the engine and generator is very similar, but the operating principles are exactly opposite. the ceiling fan and the blades of the wind turbine are also exactly opposite, so the ceiling fan can also be considered as an external rotor wind turbine with the opposite working principle.

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