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Design of Round Radial Mode Piezoelectric Transformer for Lamp Ballast Applications | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 10, Issue 4, 2006, Pages 101-119 | ||
| Authors | ||
| Ghanim Abd Al-Kareem Al-Rubyai; Ghusoon Muhsin Ali | ||
| Abstract | ||
| In conventional electronic ballast for a fluorescent lamp, inductor-capacitortransformertank circuit is used. A Piezoelectric Transformer (PT) can potentially be usedto replace such a tank circuit to save space and cost. In the past, ballast design using a PTrequires selecting a PT from available samples which are normally not matched to specificapplication and therefore resulting in poor performance, also piezoelectric transformerdesign has been difficult due to the complex interaction between the physical and electricalcircuit characteristics.In this research, a design procedure has been developed for designing a PT tailored for 220-V 40-W electronic ballast with high efficiency (90%) and Zero-Voltage-Switching (ZVS) for the semiconductors without the use of any external inductance. In this design a round radial-mode piezoelectric transformer (Transoner) was used and to achieve optimum solution, 3-D graphic to circuit requirement is used which allows the engineer to design according to the circuit criteria, the design is programmed by using the MATLAB package | ||
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