求 IEC 61000-4-34-2009
IEC 61000-4-34 ed1.1 Consol. with am1 (2009-11) Electromagnetic compatibility (EMC) - Part 4-34: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests for equipment with mains current more than 16 A per phase http://bbs.infoeach.com/forum.php?mod=viewthread&tid=38970&extra=
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