Research on High Bandwidth Rogowski Coil for Measuring Lightning Traveling Wave Current on Double Circuit Transmission Line

Abstract:

Double circuit transmission line is an important part of the power grid, which is vulnerable to lightning and may endanger the security and stability of the power grid. In order to design a sensor which can monitor the lightning traveling wave current on double circuit transmission line, simulations of lightning on the double circuit transmission line were conducted. The simulation result shows that besides high frequency components, the traveling wave contains a lot of low frequency components. Based on the equivalent model and the frequency response of the self-integrated Rogowski coil, it turns out that the widely used self-integrated Rogowski coil is not suitable for this application as the problem of low frequency distortion. In this paper, through theoretical analysis and simulations in Matlab, an improved Rogowski coil with analog integrator is proposed which can correct the low frequency distortion of the self-integrated Rogowski coil. All the simulations, experiments and operating data installed to a double circuit transmission line in China verify the validity of the high bandwidth Rogowski coil.

• Periodical: Advanced Materials Research (Volumes 986-987)
• Pages: 1558-1564
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.986-987.1558
• Online since: July 2014
• Authors: Cheng Ju Yang*, Cheng Wei Zhang, Geng Bin Zhang, Pei Ling Chen, Shi Jun Xie
• Keywords: Double Circuit Transmission Line, High Bandwidth, Rogowski Coil, Traveling Wave

References

[1] Gu Ding-xie, Dai Ming, Li Zhi-jun, Li Zhen-qiang. Analysis of failure trip rate of 1000kV double circuits on the same tower. [J]. High Voltage Engineering, 2009, 35(3): 441-445.

[2] Hara T, Yamamoto O. Modelling of a transmission tower for lightning-surge analysis[J]. IEE Proceedings Generation, Transmission and Distribution. 1996, 143(3): 283-289.

DOI: 10.1049/ip-gtd:19960289

[3] Ma Chao-ran. Prospect and development of transmission line fault location using travelling wave[J]. Relay, 2007, 35(24): 1115.

[4] Schoene J, Uman M A, Rakov V A, et al. Direct lightning strikes to test power distribution lines-partiv experiment and overall results[J]. IEEE Trans Power Del，2007，22(4): 2236-2244.

DOI: 10.1109/tpwrd.2007.905378

[5] Lin Jian-hua, Yu Gang-hua. Analysis on Transmission line lightning fault traveling wave accurate measurement principle[J]. Technology Wind, 2012, 202(8): 39.

[6] Dubickas V, Edin H. High-frequency model of the Rogowski coil with a small number of turns [J]. IEEE Trans. on Instrumentation and Measuremen，2007，56(6): 2284-2288.

DOI: 10.1109/tim.2007.907965

[7] Zhou Bi-hua Zhu Kai-e Li Yan-xin. Output waveform oscillation of large Rogowski coil used for lightning current measurement[J]. Chinese Journal of Radio Science, 2010, 25(6): 1085-1089.

[8] Chen Qing, Li Hong-bin, Zhang Ming-ming, et al. Analysis and design of rogowski coils with main and assistant printed circuit boards[J]. Automation of Electric Power Systems, 2004, 28(16): 79-82.

[9] Li Wei, Yin Xiang-gen, Zhang Zhe, et al. New Voltage to frequency Conversion Method for Electronic Current Transformer[J]. Automation of Electric Power Systems, 2008, 32(8): 88-92.

[10] Shen Zhu, Qian Zheng, Luo Cheng. Development of an electronic current transformer [J] . Automation of Electric Power Systems , 2002 , 26 (18) : 41 -44.

[11] Li Wei-bo, Mao Chen-xiong, LI Qi-yan, et. al. The Simulation Research of Rogowski Coils for Measuring f ast pulsed Heavy Current[J]. High Voltage Engineering, 2002, 28(8): 11-14.

[12] Wang Yu-tian, Wan Bao-juan, Sun Hai-yan, et al. Technology in Designing Integrator of Electronic Current Tran-sducer[J]. Power Electronics, 2009, 43(2): 76-78.