Abstract
This paper presents a novel two-stage high power factor electronic ballast for metal-halide (MH) lamps. The front stage is a single-switch two-output integrated converter, which is a combination of two buck-boost converters. The functions of power factor correction (PFC) and lamp power control are achieved by the integrated converter. The post stage is a low frequency half-bridge inverter, which is used to drive the MH lamp with a low-frequency square-wave current for avoiding acoustic resonance. The analyses of input current, the constant lamp power control, DC-bus voltage, and boundary conditions are discussed. A 70W laboratory prototype is implemented to verify the performance. The measured results illustrate that the harmonic distortion of AC input current satisfies the requirements of the IEC 61000-3-2 Class C standard, and the lamp power is maintained at a constant level within ± 1.1 %.
| Original language | English |
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| Title of host publication | 2008 IEEE Industry Applications Society Annual Meeting, IAS'08 |
| DOIs | |
| Publication status | Published - 2008 |
| Event | 2008 IEEE Industry Applications Society Annual Meeting, IAS'08 - Edmonton, AB, Canada Duration: 2008 Oct 5 → 2008 Oct 9 |
Publication series
| Name | Conference Record - IAS Annual Meeting (IEEE Industry Applications Society) |
|---|---|
| ISSN (Print) | 0197-2618 |
Other
| Other | 2008 IEEE Industry Applications Society Annual Meeting, IAS'08 |
|---|---|
| Country/Territory | Canada |
| City | Edmonton, AB |
| Period | 08-10-05 → 08-10-09 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
All Science Journal Classification (ASJC) codes
- Control and Systems Engineering
- Industrial and Manufacturing Engineering
- Electrical and Electronic Engineering
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