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Most users have no professional electrical background, and there are many inherent misunderstandings in transformer daily maintenance. These wrong habits seem trivial, but they will continuously accumulate hidden dangers, shorten service life, and increase unexpected failure probability in high temperature and humid Southeast Asian environment.
| Common Maintenance Misunderstanding | Wrong Practice | Potential Hidden Danger | Correct Maintenance Method |
|---|---|---|---|
| No inspection if no obvious fault | Run continuously without regular check | Small hidden danger deteriorates suddenly | Fixed monthly visual and simple parameter inspection |
| Ignore desiccant color change | Continue using after moisture saturation | Internal insulation damp aging | Replace desiccant immediately once discoloration |
| Random tightening of all bolts | Over-tightening cause seal deformation | Oil leakage and poor sealing | Only retighten loose parts with standard torque |
| Only repair breakdown without daily care | Passive repair after failure | High maintenance cost and long downtime | Adhere to active regular maintenance |
Abandon wrong maintenance concepts, follow standardized lightweight management, and equipment can run stably for a long time in Southeast Asia.