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    • 2. 发明授权
    • Power circuit breaker and power resistor
    • 电源断路器和电源电阻
    • US5373129A
    • 1994-12-13
    • US28284
    • 1993-03-09
    • Naoki ShutohMotomasa ImaiFumio Ueno
    • Naoki ShutohMotomasa ImaiFumio Ueno
    • H01C7/10H01H33/16
    • H01C7/10H01H33/165
    • A compact power circuit breaker having a large breaking capacity and stable breaking performance by using a compact closing resistor unit having high performance. The power circuit breaker includes a main switch arranged in a current path, an auxiliary switch connected to the current path parallel with respect to the main switch and turned on prior to an ON state of the main switch, and a closing resistor unit connected in series with the auxiliary switch and incorporated with a resistor having a sintered body consisting of a Zn--Ti--Co--O--based oxide and having metal components consisting of titanium calculated as titanium oxide (TiO.sub.2) in an amount of 0.5 to 25 mol %, cobalt calculated as cobalt oxide (CoO) in an amount of 0.5 to 30 mol %, and Zn as substantially the balance.
    • 通过使用具有高性能的紧凑型闭合电阻器单元,具有大的分断能力和稳定的断开性能的紧凑型电力断路器。 电源断路器包括布置在电流路径中的主开关,辅助开关连接到电流路径,相对于主开关并联并在主开关的导通状态之前导通,以及闭合电阻器单元串联连接 与辅助开关一起并入具有由Zn-Ti-Co-O系氧化物构成的烧结体的电阻体,并具有以氧化钛(TiO 2)计为0.5〜25摩尔%的由钛构成的金属成分, 作为氧化钴(CoO)计算的钴的量为0.5〜30摩尔%,Zn为大致余量。