Unbalanced tension analysis for UHV transmission towers in heavy icing areas

Cold Regions Science and Technology

Volumn 70, Issue , 2012, Pages 132-140

  Yang, Fengli ^a   Yang, Jingbo ^a   Zhang, Zifu ^a  

^a CHINA ELECTRIC POWER RESEARCH INSTITUTE   (China)

Author keywords

FEA; Heavy icing area; Transmission tower; UHV; Unbalanced tension

Indexed keywords

BROKEN WIRES; CALCULATED VALUES; COLD REGIONS; CONDUCTOR LENGTH; DENSITY METHODS; DESIGN PARAMETERS; FEA MODELS; ICE THICKNESS; ICE-SHEDDING; ICING AREAS; LOAD MODE; SPAN LENGTH; SUSPENSION TOWERS; TENSION ANALYSIS; TRANSMISSION LINE; TRANSMISSION TOWER; UHV; UHV TRANSMISSION TOWER; UNBALANCED TENSION; WIND VELOCITIES;

ELECTRIC POWER TRANSMISSION; FINITE ELEMENT METHOD; TOWERS; UHV POWER TRANSMISSION;

ICE;

ARCHITECTURAL DESIGN; COLD REGION; ECCENTRICITY; ICE MECHANICS; ICE THICKNESS; LOADING; SURFACE TENSION; WIND VELOCITY;

EID: 82955247592     PISSN: 0165232X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.coldregions.2011.07.008     Document Type: Article

References (19)

1. ANSYS, Inc. ANSYS help for Release 11.0. Pennsylvania, USA 2009.
2. Campbell David B. Unbalanced tensions in transmission lines. Journal of the Structural Division. Proceeding of American Society of Civil Engineering 1970, 96(ST10):2189-2207.
3. Cheng Siyong, Xue Zhifang Calculation and analysis of the unbalanced tension caused by icing. Power System and Clean Energy 2011, 27(2):10-13.
4. China Electricity Council Technical Code for Designing of Overhead Transmission Line in Medium & Heavy Icing Area 2009, China Electric Power Press, Beijing, China.
5. China Power Engineering Consulting Group Cooperation Report on the analysis of unbalanced tensions in transmission lines under non-uniform accreted ice and conductors rupture (ID: 2008.8). Beijing, China 2008.
6. Fekr M.R., McClure G. Numerical modeling of the dynamic response of ice shedding on electrical transmission lines. Atmospheric Research 1998, 46:1-11.
7. International Electrotechnical Commission Design criteria of overhead transmission lines, Geneva, Switzerland 2003.
8. Liao Zonggao, Chen Haibo, Xiao Liqun, et al. Investigation into longitudinal unbalanced tension value of UHV transmission suspension towers. Electric Power Construction 2006, 27(2):1-3.
9. Majid Kermani Koosheh, 2007. Ice shedding from cables and conductors-a cracking model of atmosphere ice, PhD thesis. University of Quebec, Quebec, Canada.
10. Mozer John D., Pohlman Joe C., Fleming John f. Longitudinal load analysis of transmission line systems. IEEE Transactions on Power Apparatus and System 1977, PAS-96(5):1657-1664.
11. National Energy Administration Code for design of 110kV 750kV overhead transmission line 2010, China Planning Press, Beijing, China.
12. North-East Electric Power Design Institute of State Power Corporation of China Design Manual for High-Voltage Transmission Lines of Electric Power Engineering 2002, 179-184. China Electric Power Press, Beijing.
13. Yan Zhitao, Li Zhengliang, Wang Zhisong Simulation of ice-shedding of transmission tower-line system in heavy ice regions. Engineering Mechanics 2010, 27(1):209-227.
14. Yang Fengli, Yang Jingbo, Han Junke, et al. Numerical simulation on the HV transmission tower-line system under ice shedding. IEEE Transmission and Distribution Conference in Asia 2009 2009, 1-5. IEEE, Seoul.
15. Yang Fengli, Yang Jingbo, Han Junke, et al. Analysis on dynamic responses of transmission tower line system under ice shedding. International Journal of Structural Stability and Dynamics 2010, 10(3):461-481.
16. Yang Fengli, Yang Jingbo, Fu Dongjie, et al. Analysis on dynamic responses of transmission tower-line system under ice shedding. Journal of Vibration Engineering 2010, 23(1):86-93.
17. Yang Fengli, Yang Jingbo, Li Zheng, et al. Study on the ice shedding and vibration suppression of transmission line. Journal of Vibration and Shock 2010, 29(5):20-25.
18. Yuan Guanghui Numerical simulating on the accreted ice and ice-shedding of tower-line system (in Chinese) 2010, Zhejiang University, Hangzhou, China.
19. Zhang Ziyin, Liu Xuejun Imbalanced tension calculation of overhead line continuous spans. Electric Power Construction 2009, 30(5):32-34.