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Erschienen in:
2019 | OriginalPaper | Buchkapitel
10. Introduction to Air-Insulated Substations
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Abstract
An air-insulated substation (AIS) is one where the main circuit potential is insulated from the ground by air using porcelain or composite insulators and/or bushings. AIS is fully composed from air-insulated technology components such as circuit breakers, disconnecting switches (disconnectors), surge arrestors, instrument transformers, power transformers, capacitors, bus bars, and so on, and the components are connected to each other by stranded flexible conductors, tubes, or buried power cables. AIS is the most common type of substation, accounting for more than 70% of substations all over the world.