A Three-Winding Coupled-Inductor-Based Dual-Switch High Step-Up DC–DC Converter for Photovoltaic Systems

Rahimi, Ramin; Habibi, Saeed; Shamsi, Pourya; Ferdowsi, Mehdi

doi:10.1109/jestie.2022.3151554

Cited by 29 publications

(15 citation statements)

References 35 publications

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“…Compared with a variety of topologies, the topologies with coupled inductor (CL) are proved to have high boost capacity with fewer components. Converters using CL technique are proposed in [22][23][24][25][26]. Due to the two degrees of freedom, the conversion ratio can be attained by assigning turns ratio in addition to duty cycle.…”

Section: Figure 1 Typical Building Block Of DC Distributed Generation...mentioning

confidence: 99%

“…Thus, for some specific occasions, a smaller value of duty cycle can be considered. Multiple winding coupled inductors are proposed in [24][25][26]. Combining cascade and CL techniques, a flyback converter is stacked up on a boost converter in parallel using three-winding coupled inductor (3WCL) [27].…”

Section: Figure 1 Typical Building Block Of DC Distributed Generation...mentioning

confidence: 99%

“…When the converter operates under boundary conduction mode (BCM) condition, I Lmmin is equal to zero, L m can be derived from (24).…”

Section: Current Stress Analysismentioning

confidence: 99%

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A high step‐up DC‐DC converter based on three‐winding coupled inductor and voltage multiplier for renewable energy applications

Luo

et al. 2022

IET Power Electronics

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A high step-up DC-DC converter for renewable energy applications is proposed. Based on a three-winding coupled inductor and two voltage multiplier cells, the proposed converter obtains a high voltage conversion ratio. Through the passive clamp circuit, the voltage stress of the main switch is suppressed and the leakage energy of the coupled inductor is recycled. This leads to utilize a low on-state power resistance and low voltage-rating power switch that decreases the conduction losses. Meanwhile, the current stress of the diodes is minimized and the reverse recovery problem is alleviated. Thus, high efficiency can be achieved. Under continuous conduction mode (CCM) and discontinuous conduction mode (DCM), different operating principles and the mathematical derivations of the proposed converter are described in detail. To validate the feasibility of the proposed converter, a 320 W prototype with 25-38 V input voltage and 400 V output voltage is implemented. The measured maximum and full load efficiencies are 95.83 % and 94.96 %, respectively.

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Section: Figure 1 Typical Building Block Of DC Distributed Generation...mentioning

confidence: 99%

Section: Figure 1 Typical Building Block Of DC Distributed Generation...mentioning

confidence: 99%

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A high step‐up DC‐DC converter based on three‐winding coupled inductor and voltage multiplier for renewable energy applications

Luo

et al. 2022

IET Power Electronics

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“…Por este conversor conter dois interruptores ocorre um aumento da complexidade de controle, além disso, a tensão de bloqueio do diodo é alta. Em [22] um conversor com uma estrutura de dupla comutação com indutor acoplado com três enrolamentos é relatado. Todos os artigos aprestados tem o intuito alcançar o alto ganho desejado, para isso utilizam diversas técnicas, dentre elas, a técnica de indutor acoplado.…”

Section: Introductionunclassified

Avaliação de Conversores Boost-Flyback Empilhados com Dois e Três Enrolamentos e Multiplicador de Tensão

Loureiro¹,

Andrade²

2023

Eletrônica de Potência

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Resumo -As estruturas de um indutor acoplado com dois e três enrolamentos têm ganhado popularidade nas aplicações de conversores de alto ganho de tensão. Essas células permitem gerar uma infinidade de topologias de conversores. Porém, até o momento, não há uma discussão comparativa entre ambos os modelos. Assim, esse artigo apresenta uma avaliação de conversores CC-CC de alto ganho de tensão baseados na estrutura empilhada da topologia boost com indutor acoplado com dois e três enrolamentos. Para demonstrar as vantagens, desvantagens e limitação de cada técnica, inicialmente, se analisa o princípio de operação dos conversores Boost-Flyback empilhados, com dois e três enrolamentos de indutor acoplado e células multiplicadoras de tensão no conversor com três enrolamentos. Para isso, se considera a mesma relação de transformação do indutor acoplado, N = 3 e diferentes valores de razão cíclica (D) com o mesmo ganho de tensão (M). Posteriormente, verificam-se os ganhos estáticos dos conversores, seus respectivos esforços de tensão (Total Voltage Stress) e corrente (Total Current Stress). Além disso, uma comparação das topologias semelhantes também são apresentadas. Afim de validar as análises teóricas, três protótipos foram construídos em laboratório. Das topologias avaliadas, o melhor resultado de rendimento foi 95%. Por fim, a distribuição das perdas dos componentes foi elaborada com o intuito de demonstrar os benefícios de cada técnica.

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“…Dual switches concept is another way to increase voltage gain and to decrease voltage/current stresses of the switches that have been applied into both of the transformerless [41][42][43][44][45][46][47][48] and CI-based [49][50][51][52][53] step-up DC-DC converters. In the transformer less converters through active SL cells the high voltage gain is provided.…”

Section: Introductionmentioning

confidence: 99%

A dual switches high step‐up DC–DC converter with low voltage stresses across switches

Radmehr

Nouri

Shaneh

2022

IET Renewable Power Gen

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A dual switches high step-up DC-DC converter with coupled inductor (CI) and voltage multiplier cell (VMC) is proposed in this paper. The gate pulses of the switches are synchronized with each other. During ON state of the switches, the CIs are charged in parallel through the input power source and during OFF state of the switches, they are discharged to the output in series. The energy of the leakage inductances is recycled by the passive clamp circuit. The passive clamp circuit for one of the metaloxidesemiconductor fieldeffect transistor (MOSFETs) is integrated with the VMC. In such a case, the clamp circuit participates in voltage gain extension which facilitates the utilization of lower number of the components, as well. Meanwhile, the MOSFETs and diodes are turned ON and turned OFF with zero current switching (ZCS) performance which reduces the switching losses. Through the dual switches concept and implementation of the CI VMC, the advantages such as high voltage gain, low voltage stresses across switches and distributed current stresses between MOSFETs are achieved. The steady-state analysis of the proposed converter is provided which is followed by a comparison with some published converters. Finally, a 300 W 25V to 400 V laboratory prototype is fabricated and tested to verify the performances.

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A Three-Winding Coupled-Inductor-Based Dual-Switch High Step-Up DC–DC Converter for Photovoltaic Systems

Cited by 29 publications

References 35 publications

A high step‐up DC‐DC converter based on three‐winding coupled inductor and voltage multiplier for renewable energy applications

A high step‐up DC‐DC converter based on three‐winding coupled inductor and voltage multiplier for renewable energy applications

Avaliação de Conversores Boost-Flyback Empilhados com Dois e Três Enrolamentos e Multiplicador de Tensão

A dual switches high step‐up DC–DC converter with low voltage stresses across switches

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