Recently, the 1100kV/16kN pollution-resistant (four-stage pollution) rod-shaped post insulator developed by China Xidian successfully passed the seismic test. This achievement marks a significant milestone as it is the first domestically produced 1100kV, 16kN stain-resistant rod-shaped post insulator developed by Xidian. The insulator was specifically designed for the third phase of the 2×1 million kW coal-fired power generation project at Huainan Pingyi No.3 Power Generation Company. Seismic testing is a crucial part of the evaluation process, ensuring that the insulator can withstand extreme conditions such as earthquakes. The product stands at 12 meters tall with a creepage distance of 37,510 mm and is composed of six individual components. Compared to previous 1100kV rod-shaped post insulators, this new model is taller and heavier, significantly increasing both the bending load and seismic resistance challenges. At present, no other company in China has the capability to manufacture such a high-performance insulator. Since the beginning of the year, Xidian has invested heavily in research and development, conducting extensive technical studies to ensure the product meets all required standards. The successful completion of the tests demonstrates that the design is not only reasonable but also exhibits low dispersion and high reliability. This accomplishment highlights that China Xidian's technical expertise has reached a level that is now considered among the best in the country.
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