How To Judge Epoxy Resin Insulators Based On Insulation Resistance
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Judgment
(1) The resistance of each element of the pin-type support high voltage standoff insulators and each piece of the suspension high voltage epoxy should not be less than 300MΩ.
(2) The insulation resistance of the 500kV suspension epoxy resin insulator is not less than 500MΩ.
It is worth noting that when measuring the insulation resistance of each element of the multi-element support high voltage epoxy resin, a copper wire should be wound around the layered glued part and then connected to the megohmmeter to avoid too large a difference in the insulation resistance values measured at different high voltage standoff positions, which may cause misjudgment.
