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Optimal design of electromagnetic interference of LED lamp switching power supply based on TRIZ theory
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Optimal design of electromagnetic interference of LED lamp switching power supply based on TRIZ theory
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Journal Article
Optimal design of electromagnetic interference of LED lamp switching power supply based on TRIZ theory
2023
Overview
The innovation method TRIZ is an innovative methodology that can analyze problems and solve them and has been widely used in many fields. In this paper, TRIZ theory is applied to optimize the design of the electromagnetic interference (EMI) problem of a model of LED lamps and lanterns switching power supply. The tools of resource analysis, component analysis, functional analysis, and cause-effect analysis are used to analyze the problem of excessive EMI encountered in the design of LED lamps and lanterns, and the tools of technical contradiction and material field analysis are used to improve the problem of reducing EMI. Two solutions are obtained to improve the problem of high EMI by changing the Power inductor design method of the input voltage and by adding capacitors to form a Π-type filter circuit.
Publisher
IOP Publishing
Subject
