NDLI: PCB Spiral Winding Transformer Design

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PCB Spiral Winding Transformer Design

Content Provider	Semantic Scholar
Author	Yaokang, Lai Guo-Lin, Li Wei-Gang, Wu
Copyright Year	2017
Abstract	Abstract. The present article puts forward a mathematical model for spiral windings transformer based on the PCB technique and the coils is equivalent to the concentric rings. Formulas for calculating the mutual inductance between two parallel rings are derived from Neumann formula and three simplified formulas are obtained for three special circumstances, i.e. two coils are coaxial but in different planes, in the same plain and concentric, and complete coincidence. Then the self and mutual inductances of the spiral windings are calculated. Base on theoretical calculation, the spiral winding specifications are analyzed including turns of windings, the distance between turns and between layers, the number of layers, the relationship of those between inductances, coupling coefficient. The key points relating spiral transformer design are summarized. Finally, the PCB spiral transformer electrical model is established based on the ideal transformer and practical samples are produced to verify the accuracy of the formulas and the electrical model. The theoretical formulas and the electrical model derived are suitable for circuit designs in practice.
File Format	PDF HTM / HTML
DOI	10.23977/acsat.2017.1017
Alternate Webpage(s)	https://www.clausiuspress.com/conferences/ACSS/ACSAT%202017/GACS49.pdf
Alternate Webpage(s)	https://doi.org/10.23977/acsat.2017.1017
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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