The life （in charge/discharge cycles

or C/D cycles） of a impulse power capacitor used in advanced high technology gets longer and longer. It is impossible by using traditional life test method to test a capacitor life up to 10

8

to 10

12

C/D cycles. In this paper

we try to introduce the accelerated life test method for impulse power capacitors. As well known

the life of a capacitor is related to some parameters of the capacitor

such as: （1） The charging voltage of the capacitor; （2）The voltage reversal; （3）The ringing frequency; （4）The repetition. rate and （5） The operation temperature of the capacitor. we’ll first findout the relationship between the life of the capacitor and each paramter

and then give the formula used for the accelerated life test for impulse power capacitors.