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gas insulated substation hv switchgear gas Recovery of Polluted enervac

Development of advanced materials for transmission and ...· 5.1. Introduction. SF 6 HV circuit breakers have undergone major developments since they were first patented 40 years ago (Dufournet et al., 2003).However, despite the extensive optimization of materials, (Aeschbach et al., 2002), a great deal of research continues to be undertaken to find new technologies and materials for arcing contacts, which must be inexpensive and have good switching ...

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