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The reason for the failure of the distribution box!

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To improve the service life of the distribution box, it is necessary to know the causes of the failure of the distribution box, solve the causes of its failure, and improve its service life.

The main reasons for the failure of the distribution box are as follows:

1. The temperature in the distribution box is much higher than the specified ambient temperature of these electrical appliances, so the fault caused by overheating of electrical components in the distribution box will occur.

2. Faults caused by lax product quality requirements

3. Faults caused by improper selection of electrical appliances in the distribution box

According to the above three reasons, the following measures should be taken:

1. For the distribution box with the capacity of 100kV · A and above, the temperature control relay and axial flow fan should be installed at the side wall of the cooling window in the box, which should be installed on the left side of the box above the control electrical panel, so that when the temperature in the box reaches a certain value, the exhaust fan can be automatically started, and the heat can be forced out to make the box cool.

2. Strictly control the quality of the distribution box, and resolutely put an end to all low-quality distribution boxes.

  1. According to the different internal layout of the distribution box, choose the electrical appliances in the distribution box. Through the above methods, the service life of the distribution box can be greatly improved.
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