Insulator
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Founded in 1986, Shuangan Electric Power Technology Co., Ltd. is a national high-tech enterprise and one of the powerful composite insulator manufacturers in China. It mainly manufactures and sells 10kv-1000kv composite suspension insulators; 10kv-230kv composite post insulators; 10kv-800kv composite power station post insulators; 27.5kv composite insulators for railways; zinc oxide arresters, drop fuses, isolating switches and other electrical products.
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Requirements of power system and service environment for insulators
According to the requirements of the power system and the use of environmental conditions for insulators, China's overhead lines need to use AC 10 ~ 1000kV, 70 ~ 530kN and DC ± 500 ~ 1000kV, 160 ~ 530kN suspension porcelain, glass and composite insulators.
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Development and Manufacturing Level of Insulator
Before 2001, the main manufacturing 160kN and below mechanical strength grade insulators. Around 2001, the successful development of 300 ~ 530kN AC and DC insulators. After 2004, AC 70 ~ 530kN and DC 160 ~ 530kN series products have been formed. In addition to the standard common umbrella, straw hat, bell and deep prism, there are also double umbrella and three umbrella, and its manufacturing technology has reached the international level.
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Some knowledge you should know about insulators
Different types of insulators in China have withstood long-term icing, high altitude, pollution, high temperature, low temperature, ultraviolet, rain, lightning, earthquake and typhoon and other special operating environment tests, successful operation experience has proved that different types of insulators have excellent electrical, mechanical, weather, seismic characteristics.
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Dry goods! Classification and use of insulators
Insulators can be divided into high voltage insulators and low voltage insulators according to the use of voltage. Insulators can be divided into porcelain insulators, glass insulators and organic materials (epoxy resin cast) insulators by manufacturing materials. Insulators can be divided into indoor insulators and outdoor insulators according to their installation sites. Insulators can be divided into 11 sub-categories and 48 series according to their structure and use.
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Insulators, or edge elements, are special cis-acting elements. Its function is only to prevent the transmission of activation or suppression effects on chromatin, thus limiting the activity of chromatin to the structural domain. If an insulator is placed between the enhancer and the promoter, it prevents the enhancer from activating the promoter.
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