High-Frequency Dimmable Electronic Ballast for Automotive HID Lamps

نویسندگان

  • Huang-Jen Chiu
  • Hsiu-Ming Huang
  • Li-Wei Lin
  • Shann-Chyi Mou
  • Pang-Jung Liu
چکیده

This paper presents a high-frequency electronic ballast for HID lamps. A new fixed frequency dimming method with low EMI features is developed in this research. The proposed electronic ballast has the advantages of high power density, simple circuit and low EMI features. The circuit operating principle and design procedures are described in detail. A laboratory prototype was built and tested. The simulation and experimental waveforms verify the feasibility of the proposed scheme. Keywords⎯ High-Frequency Dimmable Electronic Ballast, HID Lamp, Soft Switching

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تاریخ انتشار 2005