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Many Southeast Asian factories blindly add production equipment without upgrading distribution lines and transformers in time, resulting in long-term overload operation of the power distribution system. Overloading will not cause immediate collapse, but it will continuously consume equipment life, induce line overheating, and greatly increase the probability of electrical fire.
| Overload Type | On-Site Performance | Long-Term Harm | Standard Solution |
|---|---|---|---|
| Long-term light overload | Slightly hot cabinet shell, normal operation feeling | Cable insulation aging rapidly | Redistribute load, separate high-power equipment |
| Short-term impact overload | Instant tripping, obvious buzzing sound | Transformer coil fatigue damage | Install buffer protection, avoid frequent startup |
| Three-phase unbalanced overload | Single-phase overheating, voltage deviation | Local burnout of winding | Balance three-phase load reasonably |
Controlling overload is simpler and more economical than repairing faults after accidents.