Research Article

Surge-Resistant Nanocomposite Enameled Wire Using Silica Nanoparticles with Binary Chemical Compositions on the Surface

Figure 8

Applied voltage versus breakdown time of (a) PEI nanocomposite enameled wire and (b) PAI covered PEI nanocomposite enameled wire at 10 kHz. In inset, structure of both enameled wires and twisted wires for the test before and after voltage applied is displayed.
(a)
(b)