Talk about the difference between glass insulators and porcelain insulators
Time:
2023-05-26 10:47:35.724
Comparison of the advantages and disadvantages of glass insulators and porcelain insulators: Glass insulators are made of glass and are called glass insulators; tempered glass insulators are currently the most widely used in circuits. Porcelain insulators are insulators made of electrical ceramics. Ceramic insulators are the earliest insulators. The process is simple, but it does not have the advantage of not being easy to accumulate dirt as you said.
In fact, the pollution of ceramic insulators on site is also very serious. Compared with ceramic insulators, the biggest advantage of glass insulators is that there is no need for zero-value detection. Zero-value glass insulators will self-explode. Breakdown performance, vibration fatigue resistance, arc burn resistance and cold and heat shock resistance are all superior to porcelain insulators.
And different from porcelain insulators, glass insulators have zero-value self-explosion insulation self-elimination ability, so they are easy to be found, and there is no need to conduct insulation tests on them. The self-explosion rate is usually higher in the first 3 years, which is the opposite of porcelain insulators. Decades of operation and test data prove that tempered glass insulators have long-term stable electromechanical performance and long service life.
Ceramic insulators: have the advantages of good insulation performance, weather resistance, heat resistance and flexible assembly, and are widely used in lines of various voltage levels. Porcelain disc insulators are punctureable. They are composed of ceramic parts with different physical and chemical properties and metal parts. The effects of rain, snow, fog, etc. will gradually deteriorate and pose a threat to the safe operation of the power grid.
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