Mechanical Properties Of High Voltage Insulators
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Mechanical strength
Table 2 Mechanical strength of ±800kV post insulators
Flexural strength, kN 12.5 16
Torsional strength, kNm 20
High Voltage Insulator Other mechanical properties
Elastic modulus of core rod material, Gpa ≧12.5
Poisson's ratio 0.08～0.12
Allowable bending stress of core rod, Mpa ≧50
