我觉得是的,低于220V就不用测谐波了。
IEC61000-3-2 里也有这样的描述:
1 Scope: ... For systems with nominal voltages less than 220 V (line-to-neutral), the limits have not yet been considered...
6 General requirements:...The requirements and limits specified in this clause are applicable to the power input terminals of equipment intended to be connected to 220/380 V, 230/400 V and 240/415 V systems operating at 50 Hz or 60 Hz. Requirements and limits for other cases are not yet considered... |