Self-healing Polymers for Film Power Capacitors
Dielectric polymers are considered and analyzed herein. They are characterized by recovering their functional characteristics (insulation resistance, a given value of capacitance, etc.) in the event of a local breakdown in a separate section of the dielectric film, which is used as a dielectric in a power capacitor. As shown by studies, polypropylene, polyethylene terephthalate, polyethylene naphthalate and polyphenylene sulfide films, which are widely used for insulation in wires, cables and film power capacitors, have this property.