Multi-Input High Step-Up DC–DC Converter With Independent Control of Voltage and Power for Hybrid Renewable Energy Systems

Amiri, Elham; Khorasani, Ramin Rahimzadeh; Adib, Ehsan; Khoshkbar-Sadigh, Arash

doi:10.1109/tie.2020.3047038

Cited by 30 publications

(28 citation statements)

References 30 publications

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“…As it is clear, the efficiency of the proposed converter in the first to fourth scenarios varies between 91.7–95%, which is higher than the efficiency of the converters in [16, 17, 19, 27]. Furthermore, the proposed converter efficiency is almost equal to the efficiency of the converters in [15, 18, 25, 26]. As the main results of the comparisons, the proposed converter contains positive points in terms of the main quality factors.…”

Section: Comparison Studymentioning

confidence: 83%

Design, analysis and implementation of a new three‐port DC‐DC converter with bidirectional capability

Jalilzadeh

Rostami

Babaei

et al. 2021

IET Power Electronics

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The proposed converter here is a dual-input DC-DC converter with bidirectional power flow. One of the inputs is unidirectional, while the other is a bidirectional port for a battery. The proposed converter can combine two alternating sources with different characteristics. The demanded power of the load can be provided by each input source individually or simultaneously. What is more, the unidirectional port can charge the battery as well as power the output load. Due to the bidirectional capability, the energy returned from the output can be stored in the battery which is suitable for electric vehicle (EV) applications.Step-up capability, the low voltage stress on semiconductors, and the smaller number of passive elements are the other advantages of the converter. Depending on the battery usage status, four different operation scenarios are defined in the proposed converter. The converter operation is described in each scenario and the mathematical analysis is presented. Based on these, the experimental prototype is conducted to verify the characteristics and feasibilities of the converter.

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Section: Comparison Studymentioning

confidence: 83%

Design, analysis and implementation of a new three‐port DC‐DC converter with bidirectional capability

Jalilzadeh

Rostami

Babaei

et al. 2021

IET Power Electronics

View full text Add to dashboard Cite

show abstract

“…There are other examples of MPCs with low voltage gain due to base of them consisting conventional converters such as boost and buck-boost converters [22][23][24]. While, voltage gain is improved in [25][26][27] using voltage multiplier cells and switched capacitor, the converters in [25,26] are without Bi-port and the converter in [27] does not have a common ground between its input ports and output port. Ref [28] proposes a SEPIC-based MPC with Bi-port and simultaneous power transmission to the output.…”

Section: Introductionmentioning

confidence: 99%

“…This feature has limitations in the converters of [3, 4] and [18–20]. In addition, Bi‐ port is not predicted for some of the references like [4, 25, 26] and they operate without battery storage which suffer from lack of managing produced power by PV. The output is designed for two equal output voltages with opposite directions which make the converter appropriate for connecting to bipolar DC links utilizing a unique method in comparison to the referred converters [1–28].…”

Section: Introductionmentioning

confidence: 99%

“…In addition, Bi‐ port is not predicted for some of the references like [4, 25, 26] and they operate without battery storage which suffer from lack of managing produced power by PV. The output is designed for two equal output voltages with opposite directions which make the converter appropriate for connecting to bipolar DC links utilizing a unique method in comparison to the referred converters [1–28]. In addition, there is possibility of connecting load to the two output ports which doubles output voltage.…”

Section: Introductionmentioning

confidence: 99%

“…The proposed converter is suitable for PV/battery systems due to its four operation modes. Unlike the converters in [2–5, 10, 14, 15, 18–20, 26, 28], the presented MPC has capability of performance in stand‐alone mode which makes it suitable for local applications and increases reliability of power production. The MPC can be utilized for some especial applications such as fuel cells (FC) due to continuous current of the two main input ports that is not possible with some of the other MPCs as ones in [14, 20].…”

Section: Introductionmentioning

confidence: 99%

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Multi‐application multi‐port DC–DC converter consisting six ports with four main operation modes

Tanha

Abbasi

Mohammadi

2022

IET Power Electronics

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This paper proposes a multi‐port DC–DC converter consisting of three input ports and two output ports extendable to three. The converter is designed based on quadratic boost converter, a technique for bidirectional port, an auxiliary source and two output ports with opposite polarities. Designed method of the configuration makes it suitable for multi‐applications with flexible operations. Connection of the converter to a bipolar system is possible due to opposite polarities of output ports. In addition, output voltage can be doubled by series connection between the two out ports and it is introduced as the third output port of the converter. The other advantages of the converter are its appropriate voltage gain, performance in stand‐alone mode with storage port and possibility of boosting voltage with similar voltage gains in different operation modes. To validate feasibility of the converter and investigate coordination of its performance with theory, a prototype is prepared for 120 W output power.

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One‐cycle controllability of high step‐up Boost converter with coupled inductor

Song

Chang

Liu

et al. 2023

Circuit Theory & Apps

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Comparing with traditional pulse width modulation technique, the transient performances of the high step-up DC/DC converters can be significantly improved by one-cycle control (OCC) technique, which is an appropriate control strategy for interface converters directly connecting the renewable energies to the DC microgrid. However, the suitability of OCC for these converters is rarely studied. One-cycle controllability of the high step-up DC/DC Boost converter with coupled inductor is studied with theoretical researches and experimental verifications. First, with the analysis on the operating modes of the converter, its periodic switched linear system model and the criterion for OCC are established. Furthermore, one-cycle controllability of the converter is calculated in detail. Final, a prototype of the high step-up converter from 48 to 380 V is prepared. Experimental results indicate that the disturbances in the input of the high step-up converter can be depressed within only one switching cycle. Ideal dynamic characteristic for the converter under disturbance in the output is also achieved. Results of this paper are meaningful for investigations on the transient characteristics of high step-up DC/DC converters applied to DC microgrid.

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Multi-Input High Step-Up DC–DC Converter With Independent Control of Voltage and Power for Hybrid Renewable Energy Systems

Cited by 30 publications

References 30 publications

Design, analysis and implementation of a new three‐port DC‐DC converter with bidirectional capability

Design, analysis and implementation of a new three‐port DC‐DC converter with bidirectional capability

Multi‐application multi‐port DC–DC converter consisting six ports with four main operation modes

One‐cycle controllability of high step‐up Boost converter with coupled inductor

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