why do power transformers explode?

Power transformers can explode due to several factors, including insulation failure, overheating, and internal short circuits. When insulation breaks down, it can lead to arcing, which generates excessive heat. Additionally, if a transformer is overloaded or experiences a fault, it may overheat, causing the insulating oil to vaporize and build pressure. If this pressure exceeds the transformer’s design limits, it can result in an explosion. Regular maintenance and monitoring can help prevent these incidents.