High-power-factor electronic ballast operating in critical conduction mode

Almeida, M. S. S.; Simonetti, Domingos Sávio Lyrio; Vieira, J.L.F.

doi:10.1109/63.654963

Cited by 55 publications

(6 citation statements)

References 12 publications

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“…The modeling and simulation of the proposed single-stage electronic ballast is carried out to validate the proposed design of an electronic ballast which has low crest factor, high power factor (HPF) and low THD of ac mains current. The dc link voltage is maintained constant at 400 V, for the wide variations of input voltage from 170 V to 270 V. Figures 5,6,7,8,9,10,11,12,13,14,15,16,17,18 and 19 show simulated results which are discussed as follows. Table 1 shows the variations of power factor (PF), displacement power factor (DPF), %THD of ac mains current and crest factor (CF) of PFC single-stage boost converter-based electronic ballast with a wide variation in ac mains voltage.…”

Section: Resultsmentioning

confidence: 99%

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Single-stage unity power factor based electronic ballast

Shrivastava

Singh

2016

Sādhanā

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This paper deals with the design, modeling, analysis and implementation of unity power factor (UPF) based electronic ballast for a fluorescent lamp (FL). The proposed electronic ballast uses a boost AC-DC converter as a power factor corrector (PFC) to improve the power quality at the input ac mains. In this singlestage UPF based electronic ballast, boost PFC converter and a half bridge series resonant inverter (HBSRI) share a common power switch. Thus one power switch is reduced as compared to the conventional two-stage approach. The design, modeling, analysis and implementation of this topology were carried out in MATLAB-Simulink environment for a T8 36 W, 220 V, 50 Hz fluorescent lamp. The switching frequency was kept more than the resonant frequency of the inverter, to ensure the zero voltage switching (ZVS) operation of both power switches. This resulted in reduction of high frequency switching losses. The power quality parameters such as displacement power factor (DPF), distortion factor (DF), power factor (PF), crest factor (CF) and total harmonic distortion of ac mains current (THD i) were evaluated to analyze the performance of proposed electronic ballast. Test results on a developed prototype of PFC electronic ballast were included to validate the design and simulated results.

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Section: Resultsmentioning

confidence: 99%

“…The design procedure of the components of PFC boost converter and the series resonant inverter are given as follows [7,8].…”

Section: Design and Analysis Of Single Stage Electronic Ballastmentioning

confidence: 99%

Single-stage unity power factor based electronic ballast

Shrivastava

Singh

2016

Sādhanā

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“…An electronic ballast with dimming and reduced switching losses using a PWM soft switching inverter has been reported in the literature [17]. High PF electronic ballast in critical conduction mode with single power processing stage is also reported in the literature [18][19][20]. By using a boost converter operating in pseudo-CCM, an additional degree of control freedom is achieved to realise PFC control [21].…”

Section: Introductionmentioning

confidence: 99%

Constant on time controlled zero voltage switching electronic ballast with power quality improvement

Shrivastava

Singh

2015

IET Power Electronics

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This study deals with the design, modelling and implementation of unity power factor (UPF) boundary conduction mode (BCM)-based electronic ballast for a T8, 36 W fluorescent lamp. In low power applications, BCMbased boost converter is widely used because of the low inductor value, however, because of zero crossover distortion, achieving a total harmonic distortion of <10% is difficult for universal AC mains. In proposed electronic ballast, UPF has been achieved at universal AC mains by using a boost power factor corrected converter operating in BCM with constant on time control. The achieved constant DC-link voltage is converted into high frequency AC voltage using a quasi-half bridge series resonant inverter to initiate the discharge and also to drive the fluorescent lamp with constant current. The modelling and simulation of the proposed topology have been performed using sim power system toolboxes in MATLAB-Simulink environment. The switching losses have been reduced by achieving zero voltage switching at an operating switching frequency of 46 kHz. Different evaluated parameters have been found as per the international standard IEC61000-3-2 of class C regulations.

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“…Os reatores eletrônicos convencionais possuem um estágio de entrada retificador com filtro capacitivo, apresentando elevada distorção harmônica para a corrente drenada da rede de corrente alternada (CA) e reduzido fator de potência (FP), tipicamente inferior a 0,6. Neste contexto, por se tratar de uma carga considerável para os sistemas de distribuição em CA, técnicas especiais de correção do fator de potência devem ser aplicadas, para o atendimento integral às normas internacionais como a IEC 61000-3-2 (Alves et al, 1996;Co et al, 1998;Spangler et al, 1991;Tao et al, 2001;Lin and Chen, 2001).…”

Section: Introductionunclassified

“…Diversas pesquisas propõem técnicas de integração dos estágios retificador e inversor para a minimização do custo da implantação de um sistema de iluminação (Co et al, 1998;Tao et al, 2001;Lin and Chen, 2001). Outra maneira de se diminuir os custos é a adoção da configuração para múltiplas lâmpadas fluorescentes (Dalla Costa et al, 2002;Wakabayashi and Canesin, 2002;Walabayashi et al, 2004).…”

Section: Introductionunclassified

Sistema automático para o controle eficiente de iluminação para multiplas lâmpadas fluorescentes

Brito

Ferreira

Sampaio

et al. 2012

Sba Controle & Automação

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Este artigo apresenta o desenvolvimento e a implementação de um sistema de iluminação automático multi-lâmpadas fluorescentes, com correção ativa do fator de potência de entrada utilizando a técnica dos valores médios instantâneos na forma digital, com capacidade de pré-aquecimento programável dos filamentos dos eletrodos e com controle de luminosidade. Além disso, o sistema proposto permite o gerenciamento e supervisão remota através de uma plataforma computacional amigável ao usuário, onde o sistema opera de forma automática ou manual, de acordo com a necessidade de cada ambiente e/ou do usuário, otimizando o consumo de energia elétrica.

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High-power-factor electronic ballast operating in critical conduction mode

Cited by 55 publications

References 12 publications

Single-stage unity power factor based electronic ballast

Single-stage unity power factor based electronic ballast

Constant on time controlled zero voltage switching electronic ballast with power quality improvement

Sistema automático para o controle eficiente de iluminação para multiplas lâmpadas fluorescentes

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