DX8001A Water Diffusion Test Machine

1. Reference Standards

• GB/T 19519-2014, Insulators for overhead lines – Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1000 V – Definitions, test methods and acceptance criteria
• GB/T 22079-2008, Polymeric insulators for indoor and outdoor use with a nominal voltage greater than 1000 V – General definitions, test methods and acceptance criteria
• Guidelines for Power Grid Material Inspection (2017 Edition), Chapter 26, Grade B Water Diffusion Test for Core Rod of Suspension Composite Insulator

2. Test Requirements

The water diffusion test for insulator core rod consists of two parts: boiling treatment and high voltage withstand test. As specified in GB/T 19519-2014, no surface flashover or breakdown shall occur during the test, and the leakage current shall not exceed 100 μA.

3. Technical Parameters

1. Boiling vessel: 5000ml spherical reactor Four-neck reactor lid, 24*4 Serpentine condenser, 19# / 400mm Chiller, Model CW-3000 Microammeter: 2mA (2000μA) Condenser support: platform type (flange replacement type) Heating mantle (matched with spherical reactor)

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---DX8001A Water Diffusion Test Machine Images