The effect of insulator and useless Industry news
insulator commonly known as porcelain, it is used to support the conductor insulation. Therefore, insulator should not only have good electrical properties, and to have sufficient mechanical strength. The stand or fall of insulator on line safe operation is very important. Capacitance tester using new excitation coil measure does not remove of vacuum degree, is easy to use, do not remove the high precision measurement and test, is a kind of practical testing instrument, applicable to electric power, steel, petrochemical, textile, coal, railway departments and so on. According to the structure can be divided into support insulator, insulator usually do not lose insulation performance; Breakdown occurs in the interior of the insulator, through iron cap and porcelain body discharge between iron feet, the aspect may not see traces, but has lost its insulation performance, can make insulator with produce arc completely damaged. For breakdown, should pay attention to check the discharge of iron foot marks and burn.
suspension insulator, anti-pollution insulator and bushing. Commonly used are used in overhead line insulator, pin insulator, butterfly insulator, suspension insulator, porcelain crossarm, rod insulator and taut insulator, etc. Insulator fault has the electrical properties of flashover and breakdown. Flashover on the insulator surface, visible to burns, insulator wires can be assured and cross arm, the tower has enough insulation. It should be in running wires under vertical load and horizontal pulling force. It also suffering from sun, rain, climate change and chemical corrosion.
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