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Test and verification meeting held regarding the 55 years operation of glass insulator in Nanjing Electric

Test and verification meeting held regarding the 55 years operation of glass insulator in Nanjing Electric

  • Categories:Company News
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  • Time of issue:2021-03-29 14:39
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(Summary description)Test and verification meeting held regarding the 55 years operation of glass insulator in Nanjing Electric

Test and verification meeting held regarding the 55 years operation of glass insulator in Nanjing Electric

(Summary description)Test and verification meeting held regarding the 55 years operation of glass insulator in Nanjing Electric

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2021-03-29 14:39
  • Views:
Information

      From December 26 to 27, 2020, Nanjing electric insulator Co., Ltd. held a 55 year and 30 year glass insulator product test and verification meeting in Nanjing Electric. Experts and enterprise representatives from Xi'an High Voltage Apparatus Research Institute, China Electric Power Research Institute and state grid operation units attended the meeting. Under the witness of authoritative experts, leaders and user representatives, the mechanical and electrical performance test was successfully completed, which still fully meets the requirements of the national standard. It once again proves the excellent performance of the lightning brand glass insulator produced by Nanjing Electric that it is not easy to age.

Lxp-60 glass insulators produced by Nanjing electric insulator Co., Ltd. (formerly Nanjing Electric (Group) Co., Ltd., formerly Nanjing Electric Porcelain Factory) have been running for 55 years on 220 kV Jixi Boli transmission line, and lxp-100 and lxp-160 glass insulators have been running for 30 years on 330 kV jinzha line. In order to evaluate the mechanical and electrical performance of three kinds of glass insulator products after long-term operation, the samples were sent back to the company.

The product test and verification meeting was held in the company's conference room No. 3. At the meeting, the leaders of the company first delivered a speech, welcomed all the representatives to the meeting, and introduced the development process of glass insulator. The representative of Ankang Power Supply Company reported the construction of 330kV jinzha line and the operation of glass insulator in the past 30 years. The representative of Jixi power supply company failed to attend the meeting because of the fact that COVID-19 had failed to attend the meeting and reported the 55 year operation of the glass insulator on the 220kV chicken line by video. The self breaking rate of glass insulators of the two lines is stable at the level of ten thousand per year. The representative of insulator quality inspection and testing center announced that the sampling test results of three kinds of glass products all met the technical requirements of national standard. The representative of the manufacturer explained that there were more than 1000 verification test data of 42 sampling times (900 pieces) of 19 lines (900000 pieces of 110kV ~ 500kV online operation) in the past 40 years.

During the discussion at the meeting, the representative of the Chinese Academy of electrical engineering first made a speech and spoke highly of the fact that Nanjing Electric has carried out verification tests on glass insulator online operation samples according to the national standards for decades. This kind of consistent persistence is commendable, and it is also the only insulator manufacturer in China.

The delegates agreed that the lxp-60, lxp-100 and lxp-160 glass products sampled this time were developed and produced by themselves in the anti technology blockade era. The products are imperfect, but their quality levels meet the technical requirements of the current national standards, which is worthy of praise. In particular, the three demonstration tests of heat engine, steep wave and strike have passed the test successfully, which makes the power users rest assured to continue use. The representatives praised Nanjing Electric for its long-term performance tracking test and quality analysis of operating products over the past 50 years, reflecting the spirit of the enterprise's high responsibility for product quality and power operation safety.

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