Electromagnetic compatibility (EMC), Part 4.27: Testing and measurement techniques - Unbalance, immunity test for equipment with input current not exceeding 16 A per phase
电磁兼容性(EMC)第4.27部分:试验和测量技术——每相输入电流不超过16A的设备的不平衡度和抗扰度试验
Adopts IEC 61000-4-27, Ed.1.1 to establish a common reference for evaluating the immunity of electrical and electronic equipment when subjected to unbalanced power supply voltage.