Selection of non-isolated DC-DC converters for solar photovoltaic system

Dileep, G.; Singh, Surendra Prasad

doi:10.1016/j.rser.2017.03.130

Cited by 146 publications

(26 citation statements)

References 97 publications

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“…The multiport DC‐DC conversion with isolated type is shown in [57–62, 62–70]. In [57–60], the portrayal about the full bridge DC‐DC converter with multiple ports is delineated. In [57], for renewable power system, secondary side phase‐shift (SSPS) in addition with PWM controlling full‐bridge TPC is presented.…”

Section: Multi‐port Dc‐dc Converter Using Transformermentioning

confidence: 99%

Topological review of hybrid RES based multi‐port converters

Yalla

Subudhi

Ramachandaramurthy

2022

IET Renewable Power Gen

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Depletion of natural resources like gas, oil, coal along with environment pollution increased the popularity of the Renewable Energy Sources (RES). Power Electronic converters are utilized for conversion of power from RES to coordinate the stand-alone load and utility grid. MPPT control is also established by these converters to supply the standalone or gridconnected load despite of the RES's unpredictable nature. In order to reduce the number of switches used for integrating RES to drive loads, Multi-port converters are developed. These converters have the capability to supply more than one load simultaneously. Furthermore, more number of RESs are connected using these converters in order to drive common loads. Available literatures do not explain in detail regarding various types of multi-output converters, their advantages, disadvantages, application area and control techniques used in order to drive these converters. In this context, a review of recent advances in multi-port DC-DC converters for different application using hybrid RESs is carried out. Initially in literature, few DC-DC converters are connected in parallel, series configuration and used as multi-port converters. Multi-stage conversion is realized using DC-AC-DC conversion. Advantages of conventional converters are integrated in order to develop derived multi-output converters. These multi-port converters have the capability to drive both DC and AC loads from a single DC input source. The converters share common power electronics equipment while generating both DC and AC power simultaneously. Furthermore, these multi-port converters also use single step power conversion process which reduces the overall system loss. As these hybrid multi-port converters use lesser number of power electronic switches, the control complexity of these converters reduces compared to the conventional converters connected in cascaded or parallel manner to drive loads. A detailed review of these multi-port converters with respect to topologies, and operating principle, diverse reliability and effectiveness are presented in this paper. This survey helps designers to select the appropriate RES-based multi-port converters for their respective applications. INTRODUCTIONRecent developments in RESs based smart grids, EVs, aerospace applications, and mobile portable devices gave a scope to new DC-DC power conversion system [1-3]. For renewable energy sectors, a DC-DC power conversion system is developed for energy harvest maximization. The fastest growing RES are Wind and PV, which is said to be as power optimizers [4,5]. For diversified application, DC-DC power conversion system should accommodate several input energyThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Section: Multi‐port Dc‐dc Converter Using Transformermentioning

confidence: 99%

Topological review of hybrid RES based multi‐port converters

Yalla

Subudhi

Ramachandaramurthy

2022

IET Renewable Power Gen

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“…Boost converters are frequently used in PV applications for a variety of power levels [59], [60], [61], [62]. The input terminals are connected to the PV module and the output terminal can be directly connected to a load or to a second conversion stage if, for example, an AC voltage is required at the output.…”

Section: Boost Dc/dc Convertermentioning

confidence: 99%

Modeling and validation of a DC/DC power converter for building energy simulations: Application to BIPV systems

et al. 2019

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European legislation on building performance and energy efficiency pushes the shift towards minimizing the environmental footprint of buildings. Buildingintegrated photovoltaics (BIPV) is a promising technology that can accelerate the transition to energy-neutral buildings. Quantifying the potential of BIPV is crucial and one means of obtaining those results is through simulation. The state-of-the-art tools offer either thermal or electrical specialization; in particular, balance of system components (BOS) such as power converters have not been studied in detail within the building simulations BIPV domain. In this paper, a multi-physics model of a BIPV integrated DC/DC converter is developed in the Modelica language, taking into account the thermal and electrical couplings inherent to power electronic systems. The model has been validated using representative outdoor BIPV measurements and a DC/DC converter prototype. It has been found that the proposed model provides reasonable accuracy and outperforms an equivalent power conditioning model in TRNSYS. To demonstrate the model's functionality, two case studies are performed. First, the temperature-dependence of the converter's efficiency and losses is quantified and analyzed and, second, the prominent contributors to the converter losses are identified and discussed.

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“…Photovoltaic solar energy comes from the direct conversion of solar radiation into electrical energy through Photovoltaic (PV) cells. Depending on the desired power, these cells are connected in series and or in parallel to give a photovoltaic generator (GPV) [1], [2]. Nevertheless, the production of this energy varies according to the light intensity and the temperature of the cell.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Power Losses in a DC-DC Boost Converter

Ehlan

Akoro

Samah

et al. 2021

TH Wildau Eng. Nat. Sci. Proc.

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DC-DC converters are dynamic systems consisting of the passive components. These components under the effect of thermal stress in a PV system generate power losses. The knowledge of these power losses is necessary to evaluate the conversion efficiency of the system. Using the polynomial approximation method, the equations for calculating losses in the different components were determined. The system is implemented under the MATLAB / Simulink software. The results show that for a PV application of 240 W supplied to the load, 18% are lost, only 82% are transferred.

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Selection of non-isolated DC-DC converters for solar photovoltaic system

Cited by 146 publications

References 97 publications

Topological review of hybrid RES based multi‐port converters

Topological review of hybrid RES based multi‐port converters

Modeling and validation of a DC/DC power converter for building energy simulations: Application to BIPV systems

Evaluation of Power Losses in a DC-DC Boost Converter

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