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根据标准60950 1.6.2
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/ R; @6 w( O6 b8 D$ BIn each case, the readings are taken when the input current has stabilized. If the current varies: f1 |, V$ X. v. Y" [- e. o% n; |
during the normal operating cycle, the steady-state current is taken as the mean indication of( R" D# j1 Q2 i+ s1 b2 M/ S
the value, measured on a recording r.m.s. ammeter, during a representative period.4 B5 _: E+ k$ @( R* [$ h
(在每种情况下,待输入电流达到稳定时进行读数。如果该电流在正常工作周期内是变化的, 当在一段有代表性的时间内,根据在记录有效值的电流表上所测得的电流值的平均指示,读取稳态电流。) |
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