CONTACT MATERIALS IN LOW VOLTAGE AC AND DC DEVICES

概要

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Contact materials for control and protection devices must have the following characteristics:low erosion under electric arcing conditions, stable, low electrical resistance so as to limit contact heating, as small a welding tendency as possible and low material transfer under DC operating conditions. Various components have been analyzed thermally, their wettability by melted silver studied and laser melting tests have been performed that simulate an electric arc. We present here several results thus obtained using this method, for doped AgSnO_2 under various conditions on test machines and real systems(elevator cages and automobile relays).
社団法人電子情報通信学会の論文
2001-09-21