Analysis & design of high-frequency LCLC resonant converters for electrode-less fluorescent lamp ballasts

Ang, V and Stone, D A and Bingham, Chris and Foster, P P (2004) Analysis & design of high-frequency LCLC resonant converters for electrode-less fluorescent lamp ballasts. In: Power Electronics, Machines and Drives, 2004. (PEMD 2004). Second International Conference on (Conf. Publ. No. 498) , 31 Mar - 2 April 2004, Edinburgh, Scotland.

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Analysis & design of high-frequency LCLC resonant converters for electrode-less fluorescent lamp ballasts
The paper describes methodologies for determining steady state operating conditions of 4th order LCLC resonant power converters for application to electrode-less fluorescent lamp ballasts operating at 2.63 MHz. High frequency operation facilitates capacitive coupling into the tube and eases filtering for EMI, with near resonance operation at high load quality factor enabling high overall efficiency. Piecewise linear statespace models are derived and subsequently employed to rapidly predict the steady-state cyclic behaviour of the ballast during nominal operation without the pre-requisite of a transient-based simulation. The paper compares simulated and experimental measurements from a prototype ballast driving a 60cm, 8W, T5 fluorescent lamp to demonstrate prediction accuracy comparable to that of a SPICE simulation model, is possible.
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Abstract

The paper describes methodologies for determining steady state operating conditions of 4th order LCLC resonant power converters for application to electrode-less fluorescent lamp ballasts operating at 2.63 MHz. High frequency operation facilitates capacitive coupling into the tube and eases filtering for EMI, with near resonance operation at high load quality factor enabling high overall efficiency. Piecewise linear statespace models are derived and subsequently employed to rapidly predict the steady-state cyclic behaviour of the ballast during nominal operation without the pre-requisite of a transient-based simulation. The paper compares simulated and experimental measurements from a prototype ballast driving a 60cm, 8W, T5 fluorescent lamp to demonstrate prediction accuracy comparable to that of a SPICE simulation model, is possible.

Item Type:Conference or Workshop Item (Presentation)
Additional Information:The paper describes methodologies for determining steady state operating conditions of 4th order LCLC resonant power converters for application to electrode-less fluorescent lamp ballasts operating at 2.63 MHz. High frequency operation facilitates capacitive coupling into the tube and eases filtering for EMI, with near resonance operation at high load quality factor enabling high overall efficiency. Piecewise linear statespace models are derived and subsequently employed to rapidly predict the steady-state cyclic behaviour of the ballast during nominal operation without the pre-requisite of a transient-based simulation. The paper compares simulated and experimental measurements from a prototype ballast driving a 60cm, 8W, T5 fluorescent lamp to demonstrate prediction accuracy comparable to that of a SPICE simulation model, is possible.
Keywords:Resonant power conversion, Electronic ballast
Subjects:H Engineering > H610 Electronic Engineering
Divisions:College of Science > School of Engineering
ID Code:2504
Deposited By:INVALID USER
Deposited On:20 May 2010 17:10
Last Modified:13 Mar 2013 08:38

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