High Step-Up DC–DC Converter for Fuel Cell Vehicles Based on Merged Quadratic Boost–Ćuk

Pires, V. Fernão; Cordeiro, Armando; Foito, Daniel; Silva, Fernando

doi:10.1109/tvt.2019.2921851

Cited by 132 publications

(78 citation statements)

References 47 publications

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“…Recently, various SSNINCITs have been presented in the literature. [15][16][17][18][19][20][21][22][23][24][25][26][27] Previous studies 15,18 are step-up converters with decreased BV on semiconductors that suffer from pulsating input (and output) current and large switch CS. The 16 is a conventional boost converter-based topology, in which the inductor has been replaced by an inductor-capacitor-diode cell, leading to quadratic voltage gain.…”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, the pulsating output-current as well as large CS of semiconductors are the main drawbacks. Note that there is no common-ground point between source and load in Pires et al 21 Two inverting output voltage topologies with large BV on semiconductors have been presented in previous studies. 22,23 The pulsating input current is another disadvantages of Li and Liu.…”

Section: Introductionmentioning

confidence: 99%

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A generalized common‐ground single‐switch continuous input‐current boost converter favourable for DC microgrids

Varesi

Ghorbani

2020

Circuit Theory & Apps

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The conventional DC-DC converters have limited voltage gain at moderate duty cycles. In theory, the large duty cycles should be adopted to reach large boosting factors. But in reality, at extreme duty cycles, the effect of parasitic components become dominant, which leads to increased voltage drops on devices, increased total loss and reduced efficiency. This paper proposes a single-switch (requiring single gate-driver circuit) diode-inductor-capacitor (DLC) cell-based basic boost configuration that can solve the abovementioned issues. The employment of single-switch has led to only two operational modes (in continuous conduction mode [CCM]) and easy control strategy. The continuous input-current and large step-up capability make the proposed configuration favourable for renewable or hybrid energy systems in DC microgrids. The simple configuration, modularity, moderate blocking voltage on semiconductors, wide duty-cycle range, large voltage gains at low duty cycles, common-ground between source and load are some profits of suggested configuration. The basic topology can be expanded by addition of DLC cells. Based on comparative analysis, the proposed configuration has larger step-up capability per required components and lesser average normalized blocking voltage on semiconductors compared with other single-switch topologies. This leads to smaller and cheaper structure with fewer losses. The configuration and operational modes of proposed basic topology (and its extended version) have been explained. Then, the design considerations and small-signal modelling of basic topology have been investigated. Finally, the effectiveness and correct operation of proposed topology have been certified by comparative analysis and experimental results.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A generalized common‐ground single‐switch continuous input‐current boost converter favourable for DC microgrids

Varesi

Ghorbani

2020

Circuit Theory & Apps

View full text Add to dashboard Cite

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“…4,5 For this reason, various structures have been proposed to increase the voltage. Converters such as conventional boost, [6][7][8][9] buck-boost, [10][11][12] fly-back, 13,14 and Cuk 15,16 have not high-voltage gain, and electromagnetic interference (EMI) and diode back-flow problems can be seen in these converters because the high-voltage gain can be obtained in higher duty cycles for the power switches. Generally, power converters are time-varying nonlinear systems, and due to the uncertainty of the converter parameters, their ability to be accurately modeled in all operating conditions is extremely difficult, so the control process for the power converters is always a major challenge for designers.…”

Section: Introductionmentioning

confidence: 99%

“…This section of the converter is the input side of the quadratic boost converters that have been analyzed in detail in many researches already. 9,16,35 This voltage will charge the inductor L 2 through the power switch. Figure 2 is presented to give more details for this working state.…”

Section: Introductionmentioning

confidence: 99%

A transformer‐less single‐switch boost converter with high‐voltage gain and mitigated‐voltage stress applicable for photovoltaic utilizations

Yin

Ghaderi

2020

Int Trans Electr Energ Syst

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Many of the photovoltaic (PV) panels generate the low amounts of the voltages under the limited values of the powers. In order to increase these voltages to be applicable for grid utilization, DC-DC boost converters are used. A novel nonisolated transformer-less switched-capacitor-based DC-DC power boost structure is combined with the quadratic converter in this study. The proposed converter has many advantages such the low-voltage stresses on the power components, higher voltage-gain, and ability to supplying the load under the low amounts of the switching time intervals. These features lead to fewer amounts of the currents for the power components in the topology for the continuous conduction mode which means less dynamic losses and higher efficiency. Another advantage of the proposed converter is including only one power switch that simplifies the controller design for implementation purposes. A comprehensive mathematical analysis is presented and simulation with MATLAB/SIMULINK and implemented hardware test results confirm the theoretical investigations. K E Y W O R D S boost converter, continuous current mode, photovoltaic utilizations, switched-capacitor LIST OF SYMBOLS AND ABBREVIATIONS: CCM, continuous current mode; DT, duty cycle; T, time period; I C2,on , currents of capacitors C 2 for the first operation mode; I C3,on , currents of capacitor C 3 for the first operation mode; I C4,on , currents of capacitor C 4 for the first operation mode; I C5, on , currents of capacitor C 5 for the first operation mode; I C2,off , currents of capacitor C 2 for the second operation mode; I C3,off , currents of capacitor C 3 for the second operation mode; I C4,off , currents of capacitor C 4 for the second operation mode; I C5,off , currents of capacitor C 5 for the second operation mode; ID1,on, currents of diode D 1 for the first operation mode; ID 2 ,on, currents of diode D 2 for the first operation mode; ID 3 ,on, currents of diode D 3 for the first operation mode; ID 4 ,on, currents of diode D 4 for the first operation mode; ID 5 ,on, currents of diode D 5 for the first operation mode; ID 6 , on, currents of diode D 6 for the first operation mode; ID 1 ,off, currents of diode D 1 for the second operation mode; ID 2 ,off, currents of diode D 2 for the second operation mode; ID 3 ,off, currents of diode D 3 for the second operation mode; ID 4 ,off, currents of diode D 4 for the second operation mode; ID 5 , off, currents of diode D 5 for the second operation mode; ID 6 ,off, currents of diode D 6 for the second operation mode; ΔiL1, current ripples of the inductor L 1 ; ΔiL2, current ripples of the inductor L 2 ; ΔiL3, current ripples of the inductor L 3 ; ΔVo, voltage ripples of the capacitor C O ; Fs, switching frequency; ΔVc,cap, the ripple value caused by capacitor charging and discharging; P VFD , power losses by diodes.

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“…Recently high gain quadratic boost converter is coupled with Cuk converter to overcome the need of high voltage gain and reduced input current ripple. Quadratic DC-DC Boost-Cuk HQBC converter type I and type II are examined in detail [13]. From the study, the controller implementation of the modified high gain converter is very minimum and very few control techniques are adopted only for the quadratic boost converter.…”

Section: Introductionmentioning

confidence: 99%

FOPID Controller Design and Implementation for High Gain Quadratic Boost Switched Capacitor Converter

Desingu

Arounassalame

2020

Period. Polytech. Elec. Eng. Comp. Sci.

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In Solar panel and UPS, high gain DC-DC converters are commonly used. In grid connected inverter specifications, the batteries and solar panel voltage level are low. The use of multiple series related DC batteries and PV panels directly connected to the inverter, it simplifies the process, but the expense is high, and efficiency is low. A high-gain Quadratic Boost Switched Capacitor Converter is proposed in this paper. The high step up voltage gain is achieved by adding the voltage multiplier topology in the conventional quadratic boost converter with the correct duty ratio. The fractional order controller is implemented, and it’s tuned by genetic algorithm optimization method for improving the performance of the proposed converter. Its characteristics are low energy processing, robustness and balanced voltage of cells. The performed that include the proposal and existing solutions, the theoretical results are verified from MATLAB/SIMULINK toolbox.

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High Step-Up DC–DC Converter for Fuel Cell Vehicles Based on Merged Quadratic Boost–Ćuk

Cited by 132 publications

References 47 publications

A generalized common‐ground single‐switch continuous input‐current boost converter favourable for DC microgrids

A generalized common‐ground single‐switch continuous input‐current boost converter favourable for DC microgrids

A transformer‐less single‐switch boost converter with high‐voltage gain and mitigated‐voltage stress applicable for photovoltaic utilizations

FOPID Controller Design and Implementation for High Gain Quadratic Boost Switched Capacitor Converter

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