igr6

INTERNATIONAL SYMPOSIUM ON

STANDARDS FOR ULTRA HIGH VOLTAGE

TRANSMISSION

Contents

Page

Session 1: Present Status: Standards, Projects

1. Coordination activities by JICCG for UHV technology standardization—H. Ikeda 1

2. Development of 1200 kV transmission system in India—V. Ramakrishna and S. Sen 6

3. U.S. interests in UHV transmission systems—C. W. Gellings and R. Adapa 19

4. Progress of, and prospects for, commercial applications ofUHV 1100 kV Transmission System in

TEPCO; issues in upgrading existing 1100 kV designed lines from 550 kV to 1100 kV—H. Okamoto 32

Session 2: System Aspects

5. 1200 kV transmission system and status of development of substation equipment & transmission

line material in India—R.N. Nayak, M.C. Bhatnagar, B.N. De Bhowmick andR.KTyagi 41

6. Selection of the rated voltage for the UHV AC system in China—Sun Xin, Liu Zehong, Han Xiancai,Yin Yonghua, Zhang Zuping and Sun Gang 54

7. Analysis of overvoltages related to the UHV AC systems—Lin Jiming, Chen Weijang, Wang Shaowu,

Ban Lian-geng, Xiang Zutao, Wang Xiaogang, Han Bin and Zheng Bin 64

8. Stability research on the planned UHV power grid in China—Ding Yang, Zhang Jinhna and Liu Hongtao 76

9. Standardization aspects of UHV in AC networks—D. Dufournet 81

Session 3: Substations

10. System impacts on UHV substation equipment—CIGRE WG A3.22 95

11. Insulation coordination for UHVAC systems based on surge arrester application—CIGRE C4.306 108

12. Considerations for UHV substations and recommendations—CIGRE WG 53.22 119

13. Development and testing of 1100 kV GIS—W. Holaus, U. Riechert, D. Saloguren and U. Krusi 128

14. Utilities' experience in design and testing of UHV equipment in Japan—Y. Yamagata and S. Okabe 142

Session 4: AC-DC Equipment

15. UHV equipment requirements: state of the art & prospects for equipment—CIGRE WG A3.22 157

16. Compactness and high-reliability technology for UHV circuit breakers, disconnectors and earthingswitches—T. Kobayashi, G. Sun, T. Yokota, K. Sasamori and T. Yamagiwa 169

17. High performance surge arresters for UHV systems—Y. hhizaki, S. Shirakawa, S. Ishibe, M. Kan and

Y. Yamagata 178

18. Aspects related to design and testing of UHV insulator strings with cap and pin insulators—A. Pigini* and N. V. Ram Kumar 188

19. Modern instrument transformer technologies for UHVAC and HVDC networks—F. Jenau

and G. Testin 200

20. Development of UHV AC transformers—ZhongJuntao, WangXiaoning and Luo Jim 216

Session 5: DC Equipment

21. Brief on the Report of CIGRE WG B4.45 - Technological assessment of 800 kV HVDC applications—R NNayak, R P Sasmal and M. Rashwan 235

22. Report of the CIGRE JWG A2/B4.28, HVDC converter transformers - Design review test

procedures and reliability in service—M. Saravolac 245

23. 800 kV UHV DC transformer - A new dimension of DC transmission—M. Schenk, R Heinzig,U. Rimmele and J. Hoppe 262

24. A new generation of thyristor valves for ± 800 kV HVDC projects—N. MacLeod, J. Sturgess,A. Baker and F, Perrot 271

25. Equipment design for the Yunnan-Guangdong UHV DC project—M. Haeusler 283

26. Innovation in the engineering of UHV DC projects in China—Liu Zehong, Gao Liying and Ding Yigong 292

Session 6: DC Equipment

27. 800 kV UHV DC - from test station to project execution—,4. Kumar, V. Lescale, U, Astrom,

R, Hartings and M. Bergiund 309

28. Current status of design, engineering, manufacturing and testing of 800 kV HVDC equipment—R.N. Na)>ak, R.P. Sasmal, C, Hong, A, Kumar, V. Lescale, N. M Macleod and H. Huang 316

29. The progress of the electromagnetic environment study of UHV DC transmission lines in China

—Lu Jiayu, Liu Zehong, Ju Yong, Yu Jun, Guo Jian, Yang Yong and Wu Guifang 328