High Step-Up DC–DC Converter With Active Switched-Inductor and Passive Switched-Capacitor Networks

Salvador, Marcos Antonio; Lazzarin, Telles Brunelli; Coelho, Roberto F.

doi:10.1109/tie.2017.2782239

Cited by 349 publications

(264 citation statements)

References 25 publications

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“…The average inductor current of the converters is presented in Figure 8, which shows the relationship of G and I L /I o according to formulas (21), (22), and (23). From Figure 8, it is obvious that the value of I L /I o for the HS-LC conversion circuit is lower than that for Boost, Buck-Boost conversion circuit, the DC/DC conversion circuit in Figure 1B.…”

Section: Inductor Current Ripplementioning

confidence: 99%

“…[20][21][22] At present, the existing DC/DC conversion circuits can realize the step-up gain; however, higher output voltage is increasingly required, and higher conversion gain needs to be obtained to meet industrial demand, so it is necessary to find some methods to get more high gain DC/DC conversion circuits. A series of papers has been presented that include different ideas for hybrid non-isolated high boost DC/DC conversion circuits.…”

mentioning

confidence: 99%

“…The basic DC-DC conversion circuits[20][21][22] structure composed of three diodes and two inductors, and the circuit shown inFigure 2C2 are obtained, which decreases the voltage stress of the switch and improves the conversion gain.Figure2C 3 derived from Figure 2C 1 adopts the same design principle with Figure 2C 2 , and the polarity of the output voltage is opposite to the input voltage.…”

mentioning

confidence: 99%

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Non‐isolated high step‐up DC‐DC conversion circuits for photovoltaic system

Liu

Yao

2019

Int Trans Electr Energ Syst

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Summary A series of novel high boost DC‐DC conversion circuits was designed and compared in their performances (input and output common ground, input current pulsation, voltage gain, etc). One of the designed conversion circuits is called the high step‐up inductor‐capacitor (HS‐LC) conversion circuit, which has been analyzed as an example. The HS‐LC conversion circuit is composed of one switch, two inductors, two capacitors, and six diodes. The relationship between the input and the output voltage of the HS‐LC conversion circuit in continuous‐conduction mode (CCM) is derived, and the parameter design criteria for the inductors and capacitors are listed. Theoretical comparison analysis of HS‐LC conversion circuit shows that it has the advantages of higher conversion gain, lower switching stress, and lower inductor current ripple. Finally, a practical circuit was built to verify the theoretical analysis.

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Section: Inductor Current Ripplementioning

confidence: 99%

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confidence: 99%

mentioning

confidence: 99%

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Non‐isolated high step‐up DC‐DC conversion circuits for photovoltaic system

Liu

Yao

2019

Int Trans Electr Energ Syst

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“…Reference presents a coupled inductor boost converter with three power switch, four power diodes, two coupled inductors, three capacitors and suggests a configuration with two power switches, one power diode, two coupled inductors, and two capacitors. Higher numbers of coupled inductors and power diodes have been presented in Reference with four diodes, four coupled inductors, and three capacitors by fly‐back topology. As can be seen, the switching method and controller design for these configurations really are complex and problems with leakage currents and coupled inductors remain.…”

Section: Introductionmentioning

confidence: 99%

Sliding mode controller‐based e‐bike charging station for photovoltaic applications

Huang

Feng

Ghaderi

2020

Int Trans Electr Energ Syst

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Summary PV‐based and wired type of the electrical bicycles (e‐bike) battery charging stations widely is spreading because of the resonant network limitations and low efficiency of the wireless mode for these stations. The generated voltage of many of the PV panels such as JIYANGYIN HR‐200 W‐24 V at the maximum power point is around 36VDC. So, a step‐down converter with a PID controller for Maximum Power Point Tracking (MPPT) of the PV panels is considered between PV panels and boost converter in order to decrease this voltage and enhance the current values for the load side. A sliding mode controller (SMC) equipped with a non‐isolated DC‐DC boost converter with reduced voltage stresses on the power switch is presented. The step‐up converter increases the voltage to the utility level of the e‐bike with around 360 Wh amount of energy. The main concerns about the converters are the efficiency, voltage, and current stresses, number of active or passive components in the converter topology and simplicity. In comparison with a conventional step‐up converter, the selected converter has a lower dynamic loss in the input inductor that can give a proper efficiency by considering its higher voltage gain. The average state‐space model for the SMC is used and the main advantage of the controller is its independency to the inductor current or the amount of the load. The proposed SMC is compared with PID and Fuzzy Logic Controller (FLC) methods and based on the results, the robustness, overshoot, and damping factor of the controller are at an acceptable and better level. All mathematical, simulation and comparison results are presented. A 720 Wh circuit has been implemented for charging all types of the Li‐Ion or Li‐Polymer batteries with 36VDC and 10 Ah specifications.

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“…According to kinds of energy storage elements, switched-cell boost converters are categorized into switchedinductor boost converter (SL-C) [16][17][18][19] and switched-capacitor boost converter (SC-C). 20,21 Current stress of the main power devices is high in the switched-inductor topologies while high-voltage stress is the main problem in the switched-capacitor-based circuits.…”

Section: Introductionmentioning

confidence: 99%

Design and analysis of a high step‐up single‐switch coupled inductor DC‐DC converter with low‐voltage stress on components for PV power application

Azizkandi

Sedaghati

Shayeghi

2019

Circuit Theory & Apps

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This paper presents a single-switch, high step-up, non-isolated DC-DC converter for photovoltaic (PV) power application. The proposed converter is composed of a coupled inductor, a passive clamp circuit, a voltage multiplier cell, and a voltage lift circuit. The passive clamp circuit recovers the leakage inductance energy of the coupled inductor and limits the voltage spike on the switch. Configuration of the passive clamp and voltage multiplier circuits increases the converter voltage gain. High-voltage gain without a large duty cycle, low turn ratio of the coupled inductor, low-voltage stress on the switch and diodes, leakage inductance energy recovery, and high efficiency are the main merits of the suggested DC-DC converter. Steady-state operation of the converter in continuous conduction mode (CCM), discontinuous conduction mode (DCM), and boundary condition mode (BCM) is discussed and analyzed in detail. Then, design procedure of the proposed converter is given. The presented DC-DC converter is compared with similar topologies to verify its advantages. Moreover, theoretical efficiency of the presented converter is calculated in details. Finally, simulation and experimental measurement results of 388 V-220 W prototype of the proposed DC-DC converter at 50-kHz switching frequency are presented to verify its performance.

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High Step-Up DC–DC Converter With Active Switched-Inductor and Passive Switched-Capacitor Networks

Cited by 349 publications

References 25 publications

Non‐isolated high step‐up DC‐DC conversion circuits for photovoltaic system

Non‐isolated high step‐up DC‐DC conversion circuits for photovoltaic system

Sliding mode controller‐based e‐bike charging station for photovoltaic applications

Design and analysis of a high step‐up single‐switch coupled inductor DC‐DC converter with low‐voltage stress on components for PV power application

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