Compared With Traditional Porcelain Insulators And Glass Insulators, Composite High Voltage Epoxy Resin Insulators Have The Following Advantages:
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(1) High strength and light weight. The strength-to-weight ratio of composite high voltage standoff insulators is very high, that is, the specific strength is very high. The high mechanical strength of high voltage epoxy is due to the excellent mechanical properties of the FRP core rod. The tensile strength of the FRP drawing rod currently widely used by epoxy resin insulator can reach more than 1000MPa, while the core rod density is only about 2g/cm3. Therefore, its specific strength is very high, about 5 to 10 times that of high-quality carbon steel. At the same voltage level, the weight of composite high voltage epoxy resin is only 1/7 to 1/10 of that of porcelain high voltage standoff.
