Abstract
Surge arresters play an important role in the insulation coordination of ultra high-voltage (UHV) electric power systems. In this contribution the requirements on the surge arresters are discussed in comparison with those in conventional applications, and how surge arrester standards are being changed to cover these special requirements.
Zusammenfassung
Überspannungsableiter spielen eine entscheidende Rolle bei der Isolationskoordination von UHV-Netzen. In diesem Beitrag wird beschrieben, worin sich die Belastungen der Überspannungsableiter in diesen Netzen von denen in konventionellen Anwendungen unterscheiden und wie dem in der aktuellen Normung Rechnung getragen wird.
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Hinrichsen, V., Tuczek, M.N. Surge arresters for insulation coordination in UHV power systems—related problems and solutions. Elektrotech. Inftech. 129, 326–331 (2012). https://doi.org/10.1007/s00502-012-0032-1
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DOI: https://doi.org/10.1007/s00502-012-0032-1
Keywords
- surge arrester
- metal-oxide varistor
- insulation coordination
- UHV
- energy handling capability
- electric potential grading
- temperature distribution
- thermal stability limit