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NGK polymer post insulators

NGK polymer post insulators and Orient Power post insulators were subjected to various mechanical, electrical, and aging tests to validate the design.

Doing polymer post insulator tests are to ensure insulator quality. Some tests and the facilities are introduced in the following.


Cantilever Strength                      Compression Strength Test                Torsion Strength Test


    Critical Impulse Flashover Test                           Low-Frequency Wet Withstand Test

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