The main reasons for the damage to transformer bushings are as follows:

1. Moisture and corrosion: Transformer bushings are typically made of metal, and exposure to a humid environment or chemical corrosion can cause damage. Moisture and corrosion can lead to rusting of the metal bushing, reducing its structural strength and causing cracking or fracturing.

2. Temperature changes: Temperature fluctuations can cause the bushing to expand and contract. If the bushing is improperly designed or lacks sufficient allowance for thermal expansion, prolonged temperature changes may result in cracking or deformation of the bushing.

3. Mechanical stress: Transformer bushings may be subjected to mechanical stresses such as vibrations, impacts, or external pressures. These stresses can lead to deformation or rupture of the bushing.

4. Aging of insulation materials: Transformer bushings typically contain insulation materials, which may age, become brittle, or degrade over time. Damage to insulation materials can reduce insulation performance and increase the risk of electrical faults.

5. Arcing: Arcing is an electrical fault that can generate a powerful electrical arc inside the bushing, leading to bushing damage. This is often caused by high voltages or insulation failures.

To prevent damage to transformer bushings, regular inspections and maintenance are necessary to ensure suitable environmental conditions and the use of appropriate materials and designs to minimize potential risks of damage.

LuShan, est. 1975,  is a Chinese professional manufacturer specializing in power transformers and reactors for 48 years. Leading products are single-phase transformer, three-phase transformers, DC inductors, AC reactors, filtering reactor, expoxy resin high-voltage transformer and intermediate, high-frequency products. Our transformers and reactors are widely used in 10 application areas: rapid transit, construction machinery, renewable energy, intelligent manufacturing, medical equipment, coal mine explosion prevention , excitation system, vacuum sintering, central air conditioning.

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