Capacitors are commonly used in modern electronic equipment, and it is also very common that capacitor
s have shells bulging. In the final analysis, it is nothing more than the working environment temperature of the capacitor is too high, and then the working voltage of the capacitor is too high, so it is simply over-temperature. Caused by pressure. According to the relevant technical regulations for the operation and maintenance of capacitors, the working environment temperature of the capacitor is not higher than its rated temperature value. When the working environment temperature of the capacitor is too high, the temperature of the capacitor will rise too high, which will cause the oil in the capacitor oil tank to expand. If the capacitor continues to work, it will cause the capacitor fuel tank to bulge and even cause electrical breakdown. The bulging of the capacitor shell may also be caused by overvoltage. Replace the capacitor without paying attention to the specifications, which does not match the original capacitor voltage specifications. Therefore, the power factor will not meet the original compensation requirements, and the capacitor will leak oil. Do not pay attention to the withstand voltage value when selecting a capacitor. If an overvoltage occurs, the capacitor's fuel tank will expand. If it lasts for a long time, bulging or even breakdown will occur.
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