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Zhang Mingjiang, Chen Mingyong, Zhang Jie, Yang Qing. CONTACT MATERIALS FOR INTELLIGENT FRAME CIRCUIT BREAKER[J]. Powder Metallurgy Technology, 1996, 14(1): 30-36.
Citation: Zhang Mingjiang, Chen Mingyong, Zhang Jie, Yang Qing. CONTACT MATERIALS FOR INTELLIGENT FRAME CIRCUIT BREAKER[J]. Powder Metallurgy Technology, 1996, 14(1): 30-36.
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CONTACT MATERIALS FOR INTELLIGENT FRAME CIRCUIT BREAKER

  • Guilin Electrical Equipment Scientific Research Institute, Guilin 541004

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  • Received Date: July 21, 1995
  • Available Online: August 03, 2021
    Graphical Abstract
    • Abstract
  • Technoloyg research and test of contact materials used for the intelligent frame circuit breakernewly designed by our country. The silver-tungsten and silver-nickel graphite concocts with high properties pre-sintered tungsten skeleton have been made through a lot of experiments. After high currentarc burning loss and electric erosion model tests,better dynamic and static varieties have been decided.It has been proved by trial running type experiments that asymmetry paired contacts of AgW50/Ag-Ni25C2 can meet various property targets of circuit. The limited short circuity breaking capacityreached 380V, 65kA; 660V, 50kA with obvious energy-saving results.
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