Self-oscillating electronic ballast with universal input voltage range

被引：6

作者：

Pappis, D ^{[1
]}

Machado, ML ^{[1
]}

Prado, RN ^{[1
]}

机构：

[1] GEDRE, Santa Maria, RS, Brazil

来源：

PESC 04: 2004 IEEE 35TH ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-6, CONFERENCE PROCEEDINGS | 2004年

关键词：

D O I：

10.1109/PESC.2004.1355826

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a simple alternative of electronic ballast operating in self-sustained oscillating mode with possibility of universal input voltage (90V-240V) supplying fluorescent lamps. The proximally constant lamp power is obtained by changing the resonant filter gain through frequency modulation in according to the input voltage. A voltage divisor supplies a control signal from the bus voltage to a control circuit. Thus, this additional circuit interprets the bus voltage value, controlling the self-oscillating gate-driver circuit switching frequency. Experimental results from one 40 W fluorescent lamp are presented to demonstrate the performance and the feasibility of the proposed system.

引用

页码：659 / 664

页数：6

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