Observation and Analysis of Incident Surge Voltage Waveforms in Substations by Winter Lightning

This paper presents the observation results of surge waveforms in substations and the frequency components of such waveforms. In the Higashikanazu 77 kV power system, distribution transformers were damaged three times by winter lightning. In particular, almost the same parts were damaged at the No....

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Veröffentlicht in:	IEEE transactions on power delivery 2007-01, Vol.22 (1), p.316-322
Hauptverfasser:	Hori, M., Mitani, M., Sakurano, H., Motoyama, H., Kawamura, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Damage Electrical engineering. Electrical power engineering Electrical power engineering Estimation theory Exact sciences and technology Fast Fourier transform (FFT) frequency characteristic Frequency estimation internal resonance Lightning lightning surge Mathematical analysis Miscellaneous natural frequency Power electronics, power supplies Power networks and lines power system Power system analysis computing Power system measurements Resonance substation Substations Surges transformer Transformers Transformers and inductors Voltage voltage waveform Waveforms Winter winter lightning
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