Under what circumstances do outdoor electrical equipment need special inspection?

According to my operating experience, the special inspection of outdoor equipment is generally as follows:

1, transformers and other newly put into operation equipment should increase the number of inspections at the initial stage of operation, from no-load to full load, focusing on the sound, temperature rise and overheating of each joint. After the operation is stable, check the items and times as required.

2, special weather increase inspection, such as check whether lightning arrester after lightning strike; Check whether there is heat and discharge at the connection of outdoor equipment in rainy and snowy weather; After freezing in winter, check which parts have icicles and contact them in time to eliminate them.

3. Check the abnormal operation of the equipment, such as: after the transformer is newly oiled, when the temperature changes sharply, after the light gas action, when the line is overloaded, when the switch leaks oil, etc.

4. Inspection of special equipment, special operation mode and special time period.