GB/T 22383-2017Rigid gas-insulated transmission lines for rated voltage of 72.5 kV and above (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 22383-2008 "Rated voltage 72.5kV and above rigid gas insulated transmission line" and GB/T 22383-2008 compared to the main technical changes are as follows.

--- Increased air tightness and anti-corrosion protection requirements;

--- Added 3.111 isolation unit, 3.113GIL segment;

--- Increased 4.3 preferred rated insulation level Table 1 and Table 2, and some of the insulation level has been adjusted;

--- Remove the 5.1 switchgear and control equipment in the liquid requirements;

--- Removed the 5.10.101 measurement mark, 5.10.103 public signs;

--- Increased 5.20.102 non-buried corrosion protection equipment;

--- Increased 5.101.2 in Table 4, according to the performance of the protection system to determine the performance of different arc duration;

--- Added 5.104GIL system of the sub-paragraph;

--- 6.1 increased by the normal production of products every eight years should be carried out pilot projects;

--- 6.2 insulation test voltage adjustment test;

--- Adjust 6.102 diaphragm pressure test pressure rise rate;

--- Added 7.1 Overview and pilot projects;

--- 7.102.2 on-site shell welding and other pilot projects adjusted to 10.4.104, the 7.104 buried equipment corrosion test adjustment is 10.4.107;

--- In 7.102 increased the duration of the test and test criteria;

--- Chapter 8 Selection Guide increased the short-term overload capacity and forced cooling requirements;

--- Added 11.2 manufacturer's precautionary measures and 11.3 user's precautionary measures;

--- Increase the Chapter 12 product impact on the environment;

--- Appendix B B.10.1 three-phase GIL, B.10.2 single-phase GIL, B.10.2.1 fixed connection, B.10.2.2 special connection, B.10.2.2.1 Single-point connection merged into an overview, leaving only B.10.2.2.2 cross-connect;

--- Removed Appendix D, with reference to Appendix B GB/T 7674-2008.

This standard uses redrafted Law Amendment uses IEC 62271-204:2011 "high-voltage switchgear and control equipment Part 204. Amount Constant voltage 52kV rigid gas insulated transmission line. " the technical differences between this standard and IEC 62271-204:2011 and the reasons are as follows.

--- On normative references, this standard made a technical difference with the adjustment to adapt to China's technical conditions, adjust the situation Concentration reflected in the 1.2 "Normative references", the specific adjustments are as follows.

- Equivalent with the international standard GB/T 2421.1 instead of IEC 60068-1;

- Replaced IEC 60050-441:1984 with GB/T 2900.20-2016 modified to adopt international standards;

- Replaced IEC 60050-151 with GB/T 2900.83 modified to adopt international standards;

- Equivalent with the international standard GB/T 4208-2017 replaced IEC 60529:2013;

- Equivalent with the international standard GB/T 7354 instead of IEC 60270;

- Replaced IEC 62271-203:2011 with GB/T 7674-2008 modified to adopt international standards;

- Replaced IEC 60480 with GB/T 8905 modified to adopt international standards;

- Replaced IEC 62271-1:2007 with GB/T 11022-2011 modified to adopt international standards;

- GB/T 16927.1 modified to adopt international standards instead of IEC 60060-1;

- Replacing IEC 62271-303 with GB/T 28537 modified to use international standards;

- increase the reference GB/T 12022;

- Remove references IEC 60287-3-1.995, IEC 60376, ISO/IEC Guide51.

--- The operating frequency of 60Hz and below to the rated frequency of 50Hz;

--- Rated voltage. Removed the rated voltage has nothing to do with China's power grid, in accordance with the voltage listed in GB/T 11022-2011 Given

--- Increased 4.3 preferred rated insulation level Table 1 and Table 2, and some of the insulation level has been adjusted;

--- The rated short-circuit duration of the standard value from 1s to 2s;

--- Remove 5.13.101 of the main circuit protection and 5.13.102 degree of protection of the auxiliary circuit;

--- Increased 5.101.2 in Table 4, according to the performance of the protection system to determine the performance of different arc duration;

--- 6.1 increased the normal production of products every eight years should be carried out pilot projects;

--- 6.2.7.2 thunder and lightning surge voltage test is modified to 6.2.8.3 surge voltage test and 6.2.8.4 lightning impulse test Pressure test (consistent with GB/T 11022-2011);

--- 6.2.10 partial discharge test to be modified, the test procedures and GB/T 7674-2008 requirements;

--- Adjust 6.102 diaphragm pressure test pressure rise rate;

--- Added 7.1 Overview and pilot projects;

--- 7.102 increased test duration and test criteria;

--- Increased pressure test 7.103 clapboard;

--- Due to the structural differences between national standards and international standards, this standard was drafted for the international standard part of the original suspension of the added section Paragraph number, resulting in some of the provisions of the subsequent changes.

This standard proposed by the China Electrical Equipment Industry Association.

This standard by the National High Voltage Switchgear Standardization Technical Committee (SAC/TC65) centralized.

This standard was drafted unit. High Group Co., Ltd., Xi'an High Voltage Apparatus Research Institute Co., Ltd., China Electric Power Research Institute, West Anxi Electric Switchgear Co., Ltd., Shanghai Xidian High Voltage Switchgear Co., Ltd., Xi'an West High Voltage Switchgear Co., Ltd., ABB (China) Limited liability company, machinery and industrial high-voltage electrical equipment quality testing center, Xiamen ABB High Voltage Switchgear Co., Ltd., the new high Northeast Electric Group Pressure Switch Co., Ltd., Zhejiang Shintong Electric Manufacturing Co., Ltd., Jinhua Power Company, Huayi Electric Co., Ltd., TBEA Shenyang Electric Gas Technology Research Institute Co., Ltd., Beijing Beikai Electric Co., Ltd., Zhejiang Switchgear Co., Ltd., TBEA in Shanghai high-pressure open Off Co., Ltd., Shandong Taikai High Voltage Switchgear Co., Ltd., Henan Senyuan Electric Co., Ltd., Yihe Electric Group Co., Ltd.

The drafters of this standard. Yan Guanxing, Zhou Hua, Wang Xiang Ke, Tian Enwen, Tian Gang collar, Han Shumo, Zhong Jianying, Zhang Jinbo, Wu Hongyan, Feng Wujun, Zhang Zixiao, Zhong Lei, Lin Lin, Yan Zhanzheng, Zhang Youpeng, Cui Boyuan, Hou Pingyin, Zhao Bo-nan, Li Zhi-bo, Li Zhenjun, Li Jianhua, Wang Chuanchuan, Road full peak, Wei Yang, Chen sent, Xu Xiuming, Yang Yingjie, Li Bao, Gao Erping, Wu Wenhai, Zhang Meng, Ye Shuxin, Lutheran, Tian Xiaoyue, Pan Shiyan, Zhang Shu, Yin Hongyan, Sun Rongchun, Chen Borong, Zhou Qingqing, Shi Pengbin, Wang Jiancheng, Liu Yang, Kong Xiangchong, Wei Kai.

This standard replaces the standards previously issued as.

--- GB/T 22383-2008.

Rated voltage 72.5kV and above rigidity Gas insulated transmission line

1 Scope