IEC 61000-4-7:2009
电磁兼容性(EMC).第4-7部分:试验和测量技术.电源系统机器连接设备的谐波和间谐波测量与仪表的一般指南
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