7ANSI/IEEE, Std 930-1987, IEEE Guide for the Statistical Analysis of Electrical Insulation Voltage Endurance Data, [S]
8Cygan P. Models for insulation aging under electrical and thermal multistress[J]. IEEE Transaction on Electrical Insulation,1990, 25(5): 923-934
9Tang L C. Analysis of step stress accelerated-life-test data: A new approach[J]. IEEE Transaction on Reliability, 1996, 45(1): 69-74
10Laughari J R. A short method of estimating lifetime of polypropylenes film using step-stress tests[J]. IEEE Transactions on Electrical Insulation, 1990, 25(6): 1180-1182
