After The Epoxy Resin Sleeve Is Installed, Airtightness And Electrical Testing Must Be Performed.

Upon completion of installation epoxy bushing manufacturer, an airtightness test and electrical performance check should be conducted immediately. Airtightness testing can be performed using pressure/vacuum methods to verify the seal of epoxy bushing for transformer and its interfaces, determining the presence of any leakage or seepage risk. Electrical checks include measuring bushing insulation resistance, grounding resistance, or DC resistance to confirm that electrical connections meet system requirements.

The test results should be recorded and analyzed. Records should include the test method, environmental conditions, test values, judgment criteria, and conclusions. Experienced engineers should review the test data to determine compliance with project specifications and design requirements. If the test fails, remedial measures should be taken promptly, and the test should be repeated.