Research Article
Effects of Interfacial Charge on the DC Dielectric Properties of Nanocomposites
Table 2
Summary of DC dielectric properties of LDPE and nanocomposite.
| | Materials | DC conductivity (70°C, 30 kV/mm, 3 wt%) | Space charge (30°C, 40 kV/mm, 2 wt%) | Breakdown strength (30°C, 3 wt%) |
| | LDPE | 5 × 10−12 S/m | 10 C/m3 | 287 kV/mm | | MgO/LDPE | 4 × 10−14 S/m | 3 C/m3 | 331 kV/mm | | SiO2/LDPE | 1.5 × 10−14 S/m | 1 C/m3 | 394 kV/mm |
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