Close-Operation Overvoltage of No-Load Transmission Line with Fault Current Limiter

Abstract:

The comprehensive impacts of series resonance type fault current limiter (FCL) on power system need further investigation and verification. With regard to switching on 500kV EHV no-load transmission line, the instantaneous peak value, the free component oscillation frequency, the fundamental component amplitude and free component amplitude of terminal overvoltage waveform are simulated with and without installation of FCL considering different switching times. The relationship curves of free component oscillation period, the fundamental component amplitude and free component amplitude are gotten respectively by simulation results. The law of the influence of different fault current limiting reactance on terminal voltage of switching on no-load line is also summarized. The analysis results show that the installation of FCL is benefit for switching on no-load line.

• Periodical: Applied Mechanics and Materials (Volumes 672-674)
• Pages: 1373-1379
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.672-674.1373
• Online since: October 2014
• Authors: Hong Shun Liu*, Ting Ting Lv, Ming Ming Han, Liang Zou, Li Zhang, Qing Quan Li
• Keywords: Close-Operation Overvoltage, Fault Current Limiter, No-Load Line, Oscillation Period

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