DSH 777 Measurement of harmonic current on lighting equipment

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DSH 777 1 V' s& X( Y4 u4 m

Measurement of harmonic current on lighting equipment , j4 M% F) V! z7 r2 {

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61000-3-2(ed.3) ) ^/ A' q0 r/ `8 w9 G

Question:
# r0 C- i, Y- F: i1 d+ n6 \" T) cIn accordance to clause C.5.3 of IEC 61000-3-2, “If separate tests with reference lamps have proved that ballasts for fluorescent or other discharge lamps or step-down converters for tungsten halogen or other filament lamps, comply with the requirements, the luminaire is deemed to comply with these requirements and need not be checked. Where these components have not been approved separately, or do not comply, the luminaire itself shall be tested and shall comply”.
; \) x0 o5 ?7 n& GIn case of a lighting equipment with 3 ballasts (each one complies to this standard when tested separately), is the lighting equipment deemed to comply with this requirements without testing?
+ F) b  h" Y( tDecision:
The lighting equipment must be tested as a whole with the three ballasts.
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