Transcription of Overvoltage protection (surge arrester) - Schneider …
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Overvoltage protection ( surge arrester ). Agenda Choose the best surge protection . Install Overvoltage protection . Choose the best upstream protection for a surge arrester . Installation rules. Electrical Overvoltage , unique characteristics Sources Characteristics Lightning Lightning Ultra-rapid transient phenomenon. Unit Voltage of measurement =. kV/ s Operations Highly destructive energy. Overvoltage Repetitive generated by phenomenon Irms operations or leading to incidents on the premature aging. network. Malfunction which may even result in permanent damage. Schneider Electric surge protection 03/2010 3. Lightning and its consequences The main effect of lightning is electrical Overvoltage which exposes the electrical installations to a serious risk of: malfunction, destruction of equipment, unavailability of production tools, etc. The overvoltages come either from the electricity network or from the earth. Schneider Electric surge protection 03/2010 4.
Schneider Electric – Surge Protection – 03/2010 3 Electrical overvoltage, unique characteristics Lightning Overvoltage generated by operations or
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