By comparing the advantages and disadvantages of various types of dimming methods,this paper analyzes the main application scenarios of various types of dimming methods.By reviewing the standards in IEC 60598-1:2020 Luminaires-Part 1:General requirements and tests,IEC 61347-1:2015+AMD1:2017 Lamp controlgear-Part 1:General and safety requirements,and IEC 61347-2-13:2014+AMD1:2016 Lamp controlgear-Part 2-13:Particular requirements for d.c.or a.c.supplied electronic controlgear for LED modules,the study aims to understand the safety re-quirements that need to be met by the control ports used in various dimming methods of smart lighting,such as creepage distance,electrical clearance,insulation level,and so on.
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