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Nanocomposite enameled wires have been developed for inverter-fed random wound motor windings, however, partial discharge (PD) characteristics is still underlying physics. In this study, effects of environmental conditions on PD characteristics in twisted pairs with conventional and nanocomposite enameled magnet wires were investigated. Measurements of the PD inception voltage (PDIV) and an amount...
The dissipation factor tan delta is a well known parameter for the diagnosis of electrical high voltage insulation. It is used according to standards for the evaluation of new mica insulated stator bars of high voltage machines now for decades. It is also commonly used as parameter for the estimation of aging conditions and operation reliability of power generators. While the methods for the measurement...
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