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Anyone who has studied physics is familiar with the basic principle of a transformer, which is created by winding coils around an iron core through the influence of electrical current. This essential device is not only widely used in power supply systems but is also increasingly integrated into mechanical and electronic equipment. During its operation, it's crucial to maintain the integrity of its insulation. In this article, we will discuss the importance of good insulation in a transformer from three key perspectives:
First, it's vital to prevent accidental damage to the insulation. When performing maintenance or repairs on a transformer, care must be taken to protect the coil and insulating sleeves. If any damage is detected, it should be addressed immediately to avoid further complications.
Second, avoiding overload operation is essential. Prolonged overloading can cause excessive heat buildup in the windings, leading to gradual insulation degradation. This aging process may result in short circuits between turns, phase-to-phase shorts, or ground faults, which can ultimately lead to oil breakdown and serious operational issues.
Third, it's important to monitor the condition of the core’s insulation. If the insulation of the core or the clamping bolts deteriorates, it can cause large eddy currents, resulting in continuous heating and accelerated insulation aging. This can significantly reduce the lifespan of the transformer and increase the risk of failure.
By taking these precautions and maintaining proper insulation, you can ensure the safe and efficient operation of your transformer. Regular inspections, timely repairs, and adherence to operating guidelines are all critical steps in preserving the performance and longevity of this vital electrical component.