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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Cheng, H.L. Moo, C.S. Chen, W.M. |
| Copyright Year | 2001 |
| Description | Author affiliation: Dept. of Electr. Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan (Cheng, H.L.) |
| Abstract | This paper proposes a novel single-stage high-power-factor high-efficiency electronic ballast with symmetrical topology for fluorescent lamps. The circuit topology is originated from the integration of two half-wave rectifiers with buck-boost power-factor-correction (PFC) converters and a half-bridge series-resonant parallel-loaded inverter. A high power factor at the input line is assured by operating the buck-boost converters in discontinuous conduction mode (DCM). With symmetrical operation and carefully designed circuit parameters, zero-voltage-switching (ZVS) on the active power switches of the inverter can be retained to achieve high circuit efficiency. The design equations are derived from the analyzed results based on fundamental approximation, and then an easy-to-use design tool is provided accordingly under considerations of filament heating and ignition. A prototype circuit designed for two T9-40W rapid-start fluorescent lamps is built and tested to verify the analytical predictions. Satisfactory performances are obtained from the experimental results. |
| Sponsorship | IEEE Ind. Electron. Soc. |
| Starting Page | 30 |
| Ending Page | 35 |
| File Size | 507861 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780370902 |
| DOI | 10.1109/ISIE.2001.931750 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2001-06-12 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Electronic ballasts Circuit topology Fluorescent lamps Inverters Circuit testing Rectifiers Reactive power Zero voltage switching Equations Heating |
| Content Type | Text |
| Resource Type | Article |
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