PD IEC/TR 61000-1-4:2005 Electromagnetic compatibility (EMC). General. Historical rationale for the limitation of power-frequency conducted harmonic current emmissions from equipment, in the frequency range up to 2 kHz
2006PD IEC/TR 61000-1-4:2005 Electromagnetic compatibility (EMC). General. Historical rationale for the limitation of power-frequency conducted harmonic current emmissions from equipment, in the frequency range up to 2 kHz