Explosion of power capacitors is a malignant accident that causes enormous damage. Other power capacitors that usually operate in parallel with it will charge and discharge the faulty capacitor when there is a breakdown between the inner capacitor components or the insulation layer of the outer shell. If the injected power capacitor can withstand more explosive energy than the shell, the power capacitor will burst and spray oil, causing a fire accident, endangering the safe operation of the entire station equipment, and even leading to casualties.
So, what is the main cause of capacitor explosion?
Due to the breakdown of internal capacitor components, chain explosion accidents of the entire capacitor group often occur.
2. High operating frequency caused by high operating temperature.
3. Quality issues, poor craftsmanship, inadequate sealing, etc.
How to effectively prevent the explosion of power capacitors?
1. Ensure the quality of manufacturing, installation, and commissioning of power capacitor equipment.
2. Implement online monitoring of power capacitor equipment operation and control the operating environment temperature.
3. Check whether the shell of the power capacitor is deformed, whether there is oil leakage, whether there is dirt on the bushing porcelain bottle, whether there are discharge marks, whether there are foreign objects hanging, electrical distance, and ambient temperature. Auxiliary methods such as infrared temperature measurement and temperature display wax can also be used to detect whether the joints are heating up, in order to maintain the equipment in a timely manner and ensure the safe operation of the complete set of power capacitor devices.
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