D Donzelli’s research while affiliated with University of Western São Paulo and other places

What is this page?

This page lists works of an author who doesn't have a ResearchGate profile or hasn't added the works to their profile yet. It is automatically generated from public (personal) data to further our legitimate goal of comprehensive and accurate scientific recordkeeping. If you are this author and want this page removed, please let us know.

Publications (1)

Figura 1 é representada se forma simplificada a estrutura física do LED e do processo de emissão de luz (OSRAM, 2014). 
Figura 2. LED GW PSLRS1.EC de Alta Potência (OSRAM Opto Semiconductors) 
Figura 4. Diagrama elétrico do conversor CUK proposto 
Figura 5. Frequência no indutor L de saída para um polo 
Figura 7. Protótipo montado em laboratório para com LED de alto brilho (luminância) 

+1

CONVERSOR AC-DC EM MODO CONTÍNUO DE CORRENTE COM COMPENSAÇÃO EM FREQUÊNCIA PARA LÂMPADAS LED DE BAIXO CUSTO E ALTA EFICIÊNCIA
  • Article
  • Full-text available

September 2015

·

613 Reads

Colloquium Exactarum

Maria Eduarda A Boscoli

·

Carlos M B Araujo

·

·

[...]

·

D Donzelli

This paper presents a new architecture of a driver of high brightness LEDs, with low cost and high yield. Employs a CUK type converter in continuous mode with current compensation rate to feed the high-brightness LEDs through the grid, from 85V to 265V, operating at high frequency switched Pulse Width Modulation (MLP) and connected to a series LC resonant filter for load feeding entry in protection against voltage surges. Twenty LEDs High Power OSRAM 720-GWPSL and a circuit with constant current in Offline mode were used. The proposed architecture aims to present a proposal for a lowcost and low current consumption driver. The comparative study between the prototype of this device from the graphs obtained from the results of laboratory measurements.

Download