JOURNAL ARTICLE
Breakdown voltage of polypropylene film during C and thermal ageing
Abstract
This paper investigates the electrical breakdown of biaxially oriented polypropylene (BOPP) film during accelerated DC and thermal ageing. The DC breakdown voltage of 6.5 μm thick capacitor grade polypropylene (PP) films was measured. Two types of films with different crystallinity were tested. 88 breakdowns per sample were collected. The scale and shape parameter of the Weibull distribution were fitted to the data. The scale parameter values obtained vary between 713 and 804 V. Results indicate that during ageing procedure the film crystallinity is an influencing factor of their breakdown voltages.
Keywords:
Polypropylene Materials science Crystallinity Weibull distribution Composite material Capacitor Ageing Voltage Breakdown voltage Thermal Electrical engineering Thermodynamics Mathematics
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15
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0.48
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Citation History
Topics
High voltage insulation and dielectric phenomena
Physical Sciences → Materials Science → Materials Chemistry
Dielectric materials and actuators
Physical Sciences → Engineering → Biomedical Engineering
Advanced Sensor and Energy Harvesting Materials
Physical Sciences → Engineering → Biomedical Engineering
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