Dome-Shaped High Power Transformer for Driving A 55 W PL Lamp

Man Soon Yoon; H.K. Kim; Soon Chul Ur

doi:10.4028/www.scientific.net/SSP.124-126.199

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HomeSolid State PhenomenaSolid State Phenomena Vols. 124-126Dome-Shaped High Power Transformer for Driving A...

Dome-Shaped High Power Transformer for Driving A 55 W PL Lamp

Abstract:

Processing and properties of a dome-shaped piezoelectric transformer with a composition of 0.03Pb(Sb0.5Nb0.5)O3-0.03Pb(Mn1/3Nb2/3)O3-0.465PbTiO3-0.475PbZrO3 have been investigated. A dome-shaped sample was fabricated by powder injection molding. The dimension of the dome-shaped sample was a 28 mm in diameter and 2.1mm in thickness with a curvature radius of 18 mm. Finite element modeling for the complicated piezoelectric transformer was applied to simulate vibration mode in the sample. The high power characteristics of a dome-shaped piezoelectric transformer were examined by the lighting test for a 55W PL lamp. The 55W PL lamp was successfully driven by the dome-shaped piezoelectric transformer with sustaining efficiency higher than 98%. The transformer with ring/dot area ratio of 2.1 exhibited the maximum properties in terms of output power, efficiency and temperature stability.

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Periodical:

Solid State Phenomena (Volumes 124-126)

Pages:

199-202

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.124-126.199

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Online since:

June 2007

Authors:

Man Soon Yoon, H.K. Kim, Soon Chul Ur

Keywords:

Dome Shape, Piezoelectric, Powder Injection Molding (PIM)

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