High-power-factor electronic ballast zero voltage switching and low dv/dt with combination of charge pump and valley fill based on class DE

Sarayoot Thongkullaphat; Pisit Liutanakul; Viboon Chunkag

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High-power-factor electronic ballast zero voltage switching and low dv/dt with combination of charge pump and valley fill based on class DE

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摘要

In this study, for application of 36 W/220 V_(rms)/50 Hz fluorescent lamp, a high performance of high-power-factor and low line input current harmonics of electronic ballast is proposed. The proposed ballast has a structure based on a combination of charged pump and valley fill circuit. By adding paralleled capacitors to each power switch and setting the circuit parameters, operation modes of the inverter can be modified from single-stage conventional class D to a class DE. Consequently, duty ratio can be reduced by up to 25 so that the voltage stress at power switch is lower when compared with the conventional class D inverter. Furthermore, switching power loss and dv/dt can also be reduced because of zero voltage switching condition. Details of design and circuit operation are described. The experimental results of prototype circuit, operated around 50 kHz of switching frequency at full power output, show that the proposed ballast has 94.48 of efficiency, 4.30 of THDi, 0.996 of input power factor and 1.38 of lamp current crest factor.

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来源
《IET Power Electronics》 |2014年第12期|3182-3190|共9页
作者
Sarayoot Thongkullaphat; Pisit Liutanakul; Viboon Chunkag;
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作者单位

Department of Electrical and Computer Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, Thailand;

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正文语种英语
中图分类计量学;
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外文文献

1. Single-Stage Electronic Ballast Using Class-DE Low-dv/dt Current-Source-Driven Rectifier for Power-Factor Correction [J] . Chainarin Ekkaravarodome, Adisak Nathakaranakule, Itsda Boonyaroonate IEEE Transactions on Industrial Electronics . 2010,第10期

机译：Single-Stage Electronic Ballast Using Class-DE Low-dv/dt Current-Source-Driven Rectifier for Power-Factor Correction
2. Class E resonant full-wave low dv/dt rectifier driven by a voltage generator [J] . Serban Birca-Galateanu, Alexandru Ivascu Revue Roumaine des Sciences Techniques. Serie Electrotechnique et Energetique . 2002,第2期

机译：Class E resonant full-wave low dv/dt rectifier driven by a voltage generator
3. A Family of Piezoelectric-Transformer-Based Bridgeless Continuous-Conduction-Mode Charge-Pump Power-Factor-Correction Electronic Ballasts [J] . Lin R. -L., Shih H. -M., Liu C. -Y.Liu K. -B. IEEE Transactions on Industry Applications . 2011,第3期

机译：A Family of Piezoelectric-Transformer-Based Bridgeless Continuous-Conduction-Mode Charge-Pump Power-Factor-Correction Electronic Ballasts

High-power-factor electronic ballast zero voltage switching and low dv/dt with combination of charge pump and valley fill based on class DE

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