BS EN 61000-3-3:2013 Electromagnetic compatibility (EMC). Limits. Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤ 16 A per phase and not subject to conditional connection
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Publication date: 30/09/2013
Publisher: British Standards Institute (BSI)
Publication Status: Active
This part of IEC 61000 is concerned with the limitation of voltage fluctuations and flicker impressed on the public low-voltage system.
It specifies limits of voltage changes which may be produced by an equipment tested under specified conditions and gives guidance on methods of assessment.
This part of IEC 61000 is applicable to electrical and electronic equipment having an input current equal to or less than 16 A per phase, intended to be connected to public low-voltage distribution systems of between 220 V and 250 V line to neutral at 50 Hz, and not subject to conditional connection.
Equipment which does not comply with the limits of this part of IEC 61000 when tested with the reference impedance
Zref of 6.4, and which therefore cannot be declared compliant with this part, may be retested or evaluated to show conformity with IEC 61000-3-11. Part 3-11 is applicable to equipment with rated input current ≤ 75 A per phase and subject to conditional connection.
The tests according to this part are type tests. Particular test conditions are given in Annex A and the test circuit is shown in Figure 1