High Step-Up Interleaved Boost Converter for Distributed Generation Using Renewable and Alternative Power Sources

Tseng, Kuo‐Ching; Cheng, Chun‐An; Chen, Chun-Tse

doi:10.1109/jestpe.2016.2611641

Cited by 112 publications

(110 citation statements)

References 24 publications

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“…9 clearly shows the value of the voltage stress of each converter under different turns ratio. Comparing with the literatures [20], [21] and [25], the proposed converter has the lower voltage stress on switches and diodes. So switches with lower voltage rating and diodes with lower forward voltage drop can be adapted, reducing the on-state losses.…”

Section: E Performance Comparisonmentioning

confidence: 70%

“…The performance of comparison among interleaved high step-up converters published in [20], [21], [25] and the…”

Section: E Performance Comparisonmentioning

confidence: 99%

“…The conduction losses equations about the power switches and diodes are as follow: Converter in [20] Converter in [25] Converter in [21] Proposed converter The average currents of the main switches S 1 , S 2 and D 1~D4 are I S1 . I S2 .…”

Section: F Analysis Of Lossesmentioning

confidence: 99%

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Interleaved High Step-Up Converter With Coupled Inductor and Voltage Multiplier for Renewable Energy System

Liu¹,

Xiao²,

Hu³

et al. 2019

CPSS TPEA

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The concepts of dual coupled inductors and voltage multiplier cell are integrated to derive a novel non-isolated interleaved high step-up boost converter in this paper. At the input, due to the interleaved dual coupled inductors and voltage multiplier cell, the converter inhibits current ripple and reduced voltage stress for the power devices; At the output, the secondary sides of the two coupled inductors are connected in series to achieve the purpose of much higher voltage gain and lower voltage stress on the power devices. Therefore, lower voltage rating MOSFETs and diodes can be selected to reduce both switching and conduction losses. In addition, the leakage inductance energy of two coupled inductors can be absorbed and recycled to the output, and the reverse-recovery problem of diodes can be effectively suppressed. Zero current switching (ZCS) turn-on is realized for the power switches to reduce the switching loss. The working principle and steady-state characteristics of the converter are analyzed in detail. The voltage balance of the output capacitors and input current sharing by two interleaved phases are realized through the double closed-loop control of voltage and current. Finally, a 400 W laboratory prototype with 25~30 V input and 400 V output is built to verify the significant improvements of the proposed converter.Index Terms-Coupled inductor, high voltage gain, interleaved, voltage multiplier cell.

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Section: E Performance Comparisonmentioning

confidence: 70%

“…The performance of comparison among interleaved high step-up converters published in [20], [21], [25] and the…”

Section: E Performance Comparisonmentioning

confidence: 99%

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Interleaved High Step-Up Converter With Coupled Inductor and Voltage Multiplier for Renewable Energy System

Liu¹,

Xiao²,

Hu³

et al. 2019

CPSS TPEA

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“…Os conversores mais comuns utilizados para essas aplicações são o Boost clássico [6], Boost interleaved [7], Boost quadrático [8], Z-source Boost [9], técnicas de células multiplicadoras [10]- [16], conversores em cascata [17] e o conversor Boost-Flyback [18], [19].…”

Section: Ci(s)unclassified

Conversor Duplo-Boost-Flyback de Alto Ganho

Cardoso¹,

Lazzarin²,

Waltrich³

2018

Eletrônica de Potência

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Resumo -Um conversor CC-CC não isolado de alto ganho é proposto nesse artigo, o qual é denominado Duplo-Boost-Flyback de Alto Ganho pelo fato de combinar dois conversores Boost-Flyback convencionais, conectados em paralelo na entrada e com saída flutuante. Essa nova topologia aumenta o ganho estático do conversor e reduz a ondulação da corrente de entrada. A topologia proposta é ideal para aplicações com fontes de alimentação com baixa tensão que precisam elevar consideravelmente a tensão para ser utilizada, como por exemplo, arranjos fotovoltaicos, células combustíveis e baterias. Este artigo apresenta princípio de operação, ganho estático, estratégia de controle e exemplo de projeto. A verificação experimental foi realizada a partir de um protótipo de 1 kW com tensão de entrada de 48 V e saída de 800 V, alcançando o ganho estático de 16,7. A eficiência máxima apresentada foi de 94,6% com 70% da carga e 93,9% com carga nominal.Palavras-Chave -Boost-Flyback, Conversor de Alto Ganho, Conversor CC-CC, Energia Renovável, Indutor Acoplado. HIGH GAIN DOUBLE BOOST-FLYBACK CONVERTERAbstract -A high gain step-up non-isolated dc-dc converter is proposed in this paper, named as high stepup Double Boost-Flyback, the topology combines two conventional Boost-Flyback converters in input-parallel and floating-output connections. The new topology increases the static gain and reduces the input current ripple in relation to the conventional Boost-Flyback topology. The proposed converter has potential to be used in low input voltage applications that requires a high gain as such as systems powered by photovoltaic panels, fuel cells and low voltage batteries. This paper presents principle of operation, static gain, control strategy, and design example. The experimental verification was carried out in a prototype of 1 kW with input and output voltage of 48 V and 800 V, respectively, reaching a static gain of 16.67. A maximum efficiency of 94.6% was achieved at 70% of load and 93.9% at rated load. A diversificação da matriz energética mundial tem crescido com o uso de energias renováveis como, por exemplo: painéis solares, geradores eólicos, energia maremotriz, geotérmica entre outras. Keywords -Alguns sistemas de energia renovável possuem baixos níveis de tensão de saída (entre 10 V e 50 V), portanto, precisam utilizar conversores CC-CC de alto ganho [1]-[5] para adequar suas tensões de saída para níveis usuais. Por exemplo, para a conexão com a rede elétrica que possui níveis de 127 V e 220 V RMS a tensão de saída dos sistemas deve ser adaptada para aproximadamente 200 V (para redes de 127 V rms) ou 400 V (para 220 V rms). Além disso, os níveis de tensão reduzidos na entrada fazem com que esses conversores operem com correntes elevadas, o que aumentam as perdas de comutação e de condução e, consequentemente, degradam a eficiência do sistema. Ganhos elevados e alta eficiência são os principais desafios dos conversores CC-CC.Os conversores mais comuns utilizados para essas aplicações são o Boost clássico [6]

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“…voltage of photovoltaic (PV) modules, fuel cells, and thermoelectric generators (TEG) is comparatively low level for the grid integration. 2 The series interconnection of PV modules is a conventional way to increase the output voltage, but the output power reduces significantly during module mismatch and partial shading condition. 3 Therefore, high efficient and high voltage gain DC-DC converters are necessary for the grid integration of renewable energy resources via an inverter.…”

Section: Introductionmentioning

confidence: 99%

A wide load range ZVS high voltage gain hybrid DC‐DC boost converter based on diode‐capacitor voltage multiplier circuit

Priyadarshi

Kar

Karanki

2019

Int Trans Electr Energ Syst

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Summary In this paper, a single‐switch hybrid high voltage gain boost converter topology employing zero‐voltage switching (ZVS) feature is proposed. The proposed converter can achieve high voltage gain with soft switching operation over a wide range of load. The topology is a combination of the Cockcroft‐Walton diode‐capacitor voltage multiplier and a conventional boost converter, which results in a hybrid DC‐DC converter. The diode‐capacitor ladder enables the converter to achieve high voltage gain without a transformer or coupled inductor. Because of its transformerless design, single switch with lower duty cycle requirement, and ZVS feature, the efficiency of the converter is improved significantly. Moreover, due to the input inductor, it is able to provide lower input current ripple and variable fractional voltage gain, which is a key requirement for maximum power point tracking (MPPT) in photovoltaic application. A 480‐W hardware prototype with 48‐V input voltage and 450‐V output voltage is developed, and experimental results are presented to validate the efficacy of the proposed converter. The total achievable efficiency is above 95.4%, in the full load range (80‐480 W).

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High Step-Up Interleaved Boost Converter for Distributed Generation Using Renewable and Alternative Power Sources

Cited by 112 publications

References 24 publications

Interleaved High Step-Up Converter With Coupled Inductor and Voltage Multiplier for Renewable Energy System

Interleaved High Step-Up Converter With Coupled Inductor and Voltage Multiplier for Renewable Energy System

Conversor Duplo-Boost-Flyback de Alto Ganho

A wide load range ZVS high voltage gain hybrid DC‐DC boost converter based on diode‐capacitor voltage multiplier circuit

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