Service life of insulation
& nbsp; the actual life of electrical products depends on the specific conditions in operation. These conditions can vary greatly with the environment, work cycle and product type. In addition, the expected service life also depends on product size, reliability, expected service life of related equipment and economic requirements.
& nbsp; for some electrical products, because of its specific application purpose, the insulation service life is required to be lower or higher than normal value, or because of the special operation conditions, it is stipulated that its temperature is higher or lower than normal value, so that the insulation temperature is extremely higher or lower than normal value.
& nbsp; insulation life largely depends on its isolation from oxygen, humidity, dust and chemicals. At a given temperature, the service life of properly protected insulators is longer than that of freely exposed insulators. Therefore, the use of chemical inert gases or liquids as cooling or protective valences can prolong the service life of insulators.