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今天在看IEC60335-1时对比GB4706.1发现脉冲发生器的有效阻抗竟然不一致,到底是笔误还是修改了IEC标准,或者是印刷错误?
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14 Transient overvoltages
+ @, m. U6 `, f% t, I; wThe impulse test voltage has a no-load wave shape corresponding to the 1,2/50 μs standard % s. m& l5 X4 ~
impulse specified in IEC 61180-1. It is supplied from a generator having a conventional output impedance not exceeding . The impulse test voltage is applied three times for each polarity with intervals of at least 1 s.
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14 瞬态过电压
! `/ x3 y! @% n- g6 q% F( C1 t脉冲试验电压具有与GB/T1 7627.1( egvI EC6 1180-1)规定的1.2/ 50t .s标准脉冲一致的空载波形。它由一个有效阻抗为的脉冲发生器提供。脉冲试验电压以不小于1s的间隔对每个极性施加3次。 |
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