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Common faults of capacitor banks(3)

Views: 10     Author: Site Editor     Publish Time: 2018-02-23      Origin: Site

The operating voltage of shunt capacitor must be strictly controlled within the allowable range. That is, the long-term operating voltage of shunt capacitor must not be greater than 10% of its rated voltage value , the high operating voltage will greatly shorten the service life of the capacitor. With the increase of operating voltage, the dielectric loss of shunt capacitor will increase, which will increase the temperature of capacitor, accelerate the aging speed of capacitor insulation, and cause premature aging and breakdown of internal insulation of capacitor. In addition, under the effect of too high operating voltage, the insulation inside the capacitor will have partial local aging, the higher the voltage is, the faster the capacitor ages and the shorter the life will be.


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