GB/T 21224-2007
ActiveMethods of test for the evaluation of water treeing in insulating materials
评定绝缘材料水树枝化的试验方法
Application Summary AI generated
This standard specifies test methods for evaluating water treeing degradation in polymeric insulating materials used in electrical power cables and accessories. It is applied in the quality control and material selection processes for medium and high voltage cable insulation, particularly in wet environments where moisture and electrical stress can cause premature failure. The standard provides procedures for accelerating water tree growth and assessing resistance, ensuring long-term reliability of power distribution systems.
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