High-voltage Linear LED for Three-phase AC Power Applications

被引：0

作者：

Zhang, Xiu ^{[1
,2
]}

Wang, Baoxing ^{[3
]}

Li, Shuqi ^{[3
]}

Guo, Haojie ^{[3
]}

Yue, Rui ^{[2
]}

Cai, Yong ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, Sch Nanotech & Nanobion, Hefei 230026, Peoples R China

[2] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Key Lab Nanodevices & Applicat, Suzhou 215123, Peoples R China

[3] Ningbo SkyTorch Optoelect Technol Co Ltd, Ningbo 315301, Peoples R China

来源：

2022 19TH CHINA INTERNATIONAL FORUM ON SOLID STATE LIGHTING & 2022 8TH INTERNATIONAL FORUM ON WIDE BANDGAP SEMICONDUCTORS, SSLCHINA: IFWS | 2022年

关键词：

DRIVER;

D O I：

10.1109/SSLChinaIFWS57942.2023.10070980

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 investigates high-voltage light emitting diodes (LEDs) driven linearly by three-phase AC power, which features high reliability, cost effectiveness, all-solid-state components, and a minimum number of driving elements. To verify the optical and electrical properties of high-voltage LED, a high-voltage LED lighting system driven linearly by three-phase AC power was built as a prototype in this paper. At the rated voltage of 380V, the LED lighting system has input power of 145W, total luminance flux of 18500lm, luminous efficacy of 127lm/W, correlated color temperature (CCT) of 5617K, and color rendering index (Ra) of 70.6, power factor (PF) of 0.95. Further, the experimental results show that stable output luminance, high luminous efficacy, high PF, and flicker-free are achieved within 380V +/- 10% voltage fluctuation.

引用

页码：200 / 203

页数：4

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