Electromagnetic compatibility (EMC), Part 4.7: Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto
电磁兼容性(EMC) 第4.7部分:试验和测量技术——供电系统及其连接设备的谐波和间谐波测量和仪器的一般指南
Adopts IEC 61000-4-7, Ed.2.1 to specify instrumentation intended for measuring spectral components in the frequency range up to 9 kHz which are superimposed on the fundamental of the power supply systems at 50 Hz and 60 Hz.