用于LED照明的高效并联谐振变换器

2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI:10.1109/NPSC.2018.8771439

R. Jagadeesh, N. Vishwanathan, S. Porpandiselvi

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引用次数: 0

摘要

提出了一种采用并联负载谐振变换器的LED驱动器。该转换器的输出电压加到直流电源上，为灯负载供电。一个电压源直接为灯提供大部分电源，其他电压源通过并联谐振变换器提供少量电源进行调节。该驱动器具有零电压开关(ZVS)、效率高、控制简单等特点。照明控制采用PWM调光。一架26w原型机已被开发以证实其有效性。

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An Efficient Parallel Resonant Converter for LED Lighting

An LED driver is presented using parallel loaded resonant converter. Output voltage of this converter added to a dc source to feed the lamp load. One voltage source supplies majority of lamp power directly and other supplies a small power through parallel resonant converter for regulation. This driver features zero voltage switching (ZVS), high efficiency and simple control. Illumination control is incorporated using PWM dimming. A 26 W prototype has been developed to confirm its validity.

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来源期刊

2018 20th National Power Systems Conference (NPSC)

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