AS/NZS 61000.4.16:2002

Specifies the immunity requirements and test methods for electrical and electronic equipment to conducted, common mode disturbances in the range d.c. to 150 kHz. Also defines test voltage and current waveform, range of test levels, test equipment, test set-up and test procedures. The disturbances produced by 400 Hz mains systems are not included in the Standard. This Standard is identical with and has been reproduced from IEC 61000.4.16:1998.

This part of AS/NZS 61000 relates to the immunity requirements and test methods for electrical and electronic equipment to conducted, common mode disturbances in the range d.c. to 150 kHz.The object of this standard is to establish a common and reproducible basis for testingelectrical and electronic equipment with the application of common mode disturbances topower supply, control, signal and communication ports.This standard defines– test voltage and current waveform;– range of test levels;– test equipment;– test set-up;– test procedures.For some types of ports, for example ports intended to be used with highly balanced lines,additional test provisions may be established by product committee specifications.The test is intended to demonstrate the immunity of electrical and electronic equipment whensubjected to conducted, common mode disturbances such as those originating from power line currents and return leakage currents in the earthing/grounding system.The disturbances produced by 400 Hz mains systems are not included in the scope of this standard.Actual interference due to these disturbance phenomena is relatively rare, except in industrialplants. Product Committees should therefore consider whether there is a justification forapplying this standard in their Product/Product Family standards (see also clause 3).This test is not relevant for equipment ports intended to be connected to short cables, havinga length less than 20 m or less.The immunity to harmonics and interharmonics, including mains signalling, on a.c. powerports (in differential mode) is not included in the scope of this standard and is covered byIEC 61000-4-13.The immunity to conducted disturbances generated by intentional radio-frequency transmitters is not included in the scope of this standard and is covered by IEC 61000-4-6.Some ITU-T Recommendations, e.g. K17, K20 and K21, establish similar methods for testing the resistibility of equipment; however, they are dedicated to telecommunication ports and deal with power induction at frequency of the a.c. mains or electric railways.Product Committees are advised to consider the Recommendations above, as far as applicable, in preparing their product standards.

First published as AS/NZS 61000.4.16:2002.