A Novel Constant Power Control Circuit for HID Electronic Ballast

Huang, Chien-Ming; Liang, Tsorng–Juu; Lin, Ray-Lee; Chen, Jiann-Fuh

doi:10.1109/tpel.2007.904159

Cited by 26 publications

(3 citation statements)

References 14 publications

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“…4,5 An effective solution to avoid the triggering of AR is the low-frequency square wave (LFSW) e-ballast technology. [6][7][8] An LFSW e-ballast mitigates the chance of AR occurrence in two waysfirst, it drives the HID lamp in the 50-400 Hz frequency region which is far below the ARprone window; second, the resulting lamp current and lamp voltage waveforms have identical rectangular shape which makes the instantaneous lamp power free from oscillatory components.…”

Section: Introductionmentioning

confidence: 99%

A design methodology for acoustic resonance-free, high-frequency, dimmable electronic ballast for high-pressure sodium-vapour lamps

Bakshi¹,

Roy

2019

Lighting Research & Technology

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This paper presents a methodology to design acoustic resonance-free, high-frequency, dimmable electronic ballasts for high-pressure sodium vapour (HPSV) lamps having a range of rated wattage (70–400 W). After estimation of the ‘quiet window’ of an HPSV lamp, the proposed iterative algorithm is able to determine the acoustic resonance-free driving frequencies of a design ballast corresponding to 50%–100% power level. On the other hand, a developed wattage and voltage independent HPSV lamp model facilitates finding the required electrical characteristics of HPSV lamps without performing laboratory experimentation. Using the estimated driving frequencies of a design ballast and the synthesized electrical characteristics of the lamp, the design circuit parameters of an electronic ballast are determined. Performance evaluation of the designed ballasts, carried out on the Matlab–Simulink platform, indicates several important attributes, viz. higher power control accuracy (deviation ≤3.69%), near-unity lamp power factor (≥0.98), lower lamp current crest factor (<1.7) and lower lamp current total harmonic distortion (≤12.63%). Results establish the effectiveness of the proposed design methodology to design lightweight and compact electronic ballasts for HPSV lamps with less effort than conventional design practice.

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Section: Introductionmentioning

confidence: 99%

A design methodology for acoustic resonance-free, high-frequency, dimmable electronic ballast for high-pressure sodium-vapour lamps

Bakshi¹,

Roy

2019

Lighting Research & Technology

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“…To avoid or effectively eliminate acoustic resonance, supplying the HID lamp with a low-frequency, square-wave source is the most favourable method utilised in commercial electronic ballasts [6, [14][15][16][17][18][19][20][21][22][23]. In addition, an electronic ballast for HID lamps with power-factor-correction (PFC) function is generally required to comply with regulations such as the IEC 61000-3-2 Class C standards.…”

Section: Introductionmentioning

confidence: 99%

“…Fig. 1 shows the commercial three-stage HID lamp ballast circuit, which consists of a boost converter (including an inductor L BOOST , a high-frequency-operated power switch S BOOST , a diode D BOOST and a capacitor C dc1 ) for PFC, a buck converter (including a high-frequency-operated power switch S BUCK , a diode D BUCK , an inductor L BUCK and a capacitor C dc2 ) for regulating the lamp power, and a full-bridge inverter (including four low-frequency-operated power switches S 1 , S 2 , S 3 and S 4 ) for supplying the lamp with low-frequency square-wave sources [6, [14][15][16]. However, the disadvantages of the three-stage configuration are its limited circuit efficiency and large numbers of components.…”

Section: Introductionmentioning

confidence: 99%

Single‐stage high‐power‐factor low‐frequency square‐wave‐driven high‐intensity‐discharge lamp ballast

Cheng

Chung

et al. 2013

IET Power Electronics

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This study presents a single-stage electronic ballast for the high-intensity-discharge (HID) lamp with high-power factor. The presented ballast consists of a discontinuous-conduction-mode operated dual-boost converter to achieve input current shaping, and a high-frequency combined with a low-frequency square-wave-driven half-bridge-type inverter for supplying the HID lamp with low-frequency square-wave sources. The attractive features of the proposed ballast are highpower factor (> 0.99), low total harmonic distortion of input utility-line current (< 10%), high efficiency (> 90%), costeffectiveness and freedom from acoustic resonance. The operational principles, design guidelines and a design example are included in this paper. A prototype ballast circuit has been successfully implemented and tested for supplying three different brands of 70W HID lamps operating with 110 V-root-mean-square input utility-line voltage. Satisfactory experimental results demonstrate the functionalities of the proposed ballast.

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