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根据标准60950 1.6.2 9 A* \+ x2 S- m: \& i$ P4 F$ g
: a5 r ~0 r5 i. u+ t. w. zIn each case, the readings are taken when the input current has stabilized. If the current varies k: u/ H _* H$ M, `
during the normal operating cycle, the steady-state current is taken as the mean indication of6 ]! B% b1 M5 E9 C/ ^7 N
the value, measured on a recording r.m.s. ammeter, during a representative period.& B; q u5 o* S }/ \! p
(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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