Modeling and Controller Design of a Semiisolated Multiinput Converter for a Hybrid PV/Wind Power Charger System

Chen, Cheng-Wei; Liao, Chien-Yao; Chen, Kun-Hung; Chen, Yaow-Ming

doi:10.1109/tpel.2014.2367594

Cited by 69 publications

(32 citation statements)

References 32 publications

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“…In order to use battery in these systems, a bidirectional port is required to charge and discharge it . Multi input converters (MIC) can be applied to these systems to provide power from different power supplies simultaneously or individually …”

Section: Introductionmentioning

confidence: 99%

“…7,8 Multi input converters (MIC) can be applied to these systems to provide power from different power supplies simultaneously or individually. 9 Nomenclature list of abbreviations: Multi input converter, MIC; Photovoltaic, PV; Fuel cell, FC; Continuous conduction mode, CCM; Maximum power point tracking, MPPT; Duty cycle of switch Si, di; Switching period, Ts.…”

Section: Introductionmentioning

confidence: 99%

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Analysis and implementation of a novel three input DC‐DC boost converter for sustainable energy applications

Ardi

Ajami

Sabahi

2019

Int Trans Electr Energ Syst

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Summary A new three input converter is presented for sustainable energy applications. Two unidirectional ports of the converter are used to connect power supplies which can be controlled independently via the duty cycles of switches. For connecting storage element, one of the ports is bidirectional. Using duty ratios of the switches, battery charging/discharging can be also controlled. Since the inductors are connected to the inputs, the input current ripples are low. Higher voltage gain and other advantages of the converter such as no limitation for switching modulation and wide control range of input powers make the proposed converter suitable for sustainable energy applications. Even if one of the power supplies fails to provide energy, the converter can provide energy to the load and charge/discharge the battery without voltage gain deduction. The steady‐state analysis of the converter is discussed, and experimental results are provided to validate the feasibility of the proposed converter.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analysis and implementation of a novel three input DC‐DC boost converter for sustainable energy applications

Ardi

Ajami

Sabahi

2019

Int Trans Electr Energ Syst

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“…Centralized controller not only provides control over individual interfacing devices but also controls the entire system such that the power balance is maintained in the system under different operating modes (Wu et al, 2011;Khaligh, Cao, & Lee, 2009;Zhao, Round, & Kolar, 2008;Chen, Liao, Hung, Ming, 2015). The usage of MPPT algorithm enables PV port to operate at maximum power point at different insolation levels.…”

Section: Introductionmentioning

confidence: 99%

<b>Impact of modified perturb and observe control on MPPT of PV/battery fed three - port DC‐DC converter

Mahendran

Ramaprabha

2017

Acta Sci. Technol.

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ABSTRACT. This paper presents the modified perturb and observe (P&O) maximum power point tracking (MPPT) method for photovoltaic (PV) fed three-port DC-DC converter in PV/battery hybrid system. The proposed MPPT technique reduces the drift problem which occurs in the conventional MPPT methods by including the data of change in current (ΔI) in addition to the data used in the conventional P&O algorithm. The drift phenomenon and its effects are clearly demonstrated in this paper. The ability of the proposed P&O method to address this issue is proved by comparing the conventional P&O algorithm in different modes of operation. The performance assessment includes peak overshoot, settling time, MPP ratio and stability. The experimental validation was implemented using DSPIC30F4011 microcontroller. From the analysis and results, it could be seen that the modified P&O showed better performance in terms of accuracy in tracking the maximum power, less tracking time, high MPP ratio and reduced drift in the changing weather conditions. Keywords: current-voltage characteristics, DC-DC power converters, drift, photovoltaic systems, power demand, pulse width modulation.Impacto da modificação perturbar e observar de controle na MPPT de PV / bateria fed Três -port conversor DC-DC RESUMO. Este artigo apresenta o método de monitoramento de ponto de potência máximo (MPPT) modificado e observado (P&O) para o conversor DC-DC de três portas alimentado por energia fotovoltáica (PV) no sistema híbrido PV/bateria. A técnica MPPT proposta reduz o problema de deslocamento (drift) que ocorre nos métodos MPPT convencionais, incluindo os dados de mudança na corrente (ΔI), além dos dados usados no algoritmo P&O convencional. O fenômeno do deslocamento (drift) e seus efeitos estão claramente demonstrados neste artigo. A capacidade do método de P&O proposto para resolver este problema é comprovado comparando com o algoritmo de P&O convencional em diferentes modos de operação. A avaliação de desempenho inclui o superávit do pico, tempo de estabilização, relação de MPP e estabilidade. A validação experimental foi implementada usando o microcontrolador DSPIC3o30F4011. A partir da análise e dos resultados, verificou-se que o P&O modificado mostrou melhor desempenho em termos de precisão no rastreamento da potência máxima, menor tempo de rastreamento, alta relação de MPP e deslocamento reduzido nas condições climáticas em constante mudança.Palavras-chave: características corrente-tensão, conversores de potência DC-DC, deslocamento, sistemas fotovoltáicos, demanda de energia, modulação de largura de pulso.

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“…However, the renewable energy systems are not loaded constantly, they are sometimes recommended to be integrated in order to operate the system more efficiently and economically [5][6][7][8]. Then, some engineering issues such as high installing cost, complex control structure and inefficient power-conditioning structure of the hybrid-type multiple renewable-energy systems have been emerged.…”

Section: Introductionmentioning

confidence: 99%

“…1 shows the general construction of a PV-wind hybrid renewable-energy system with distributed power conditioning converters. Each of the energy sources in the distributed Power Conditioning System (PCS) is employed with an individual DC-DC converters [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Independent MPPTracking Method of Hybrid Solar-Wind Power Conditioning Systems Using Integrated Dual-Input Single-PWM-Cell Converter Topology

Thenathayalan¹,

Ahmed²,

Choi³

et al. 2017

Journal of Electrical Engineering and Technology

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-This paper proposes the modeling and control strategy to track the MPPs of hybrid PV and Wind power systems, using a new dual input boost converter. The dual input power conditioning system with an independent MPPT control scheme is introduced with minimum number of circuit elements in order to reduce the switching loss, size and cost of the system. Since the operating conditions for the PV and Wind power systems are very distinct from each other, an efficient and superior control system is required to track the MPPs of both renewable sources with the use of a simply-structured single-ended single-inductor converter. The design of Power-Conditioning System (PCS) and detail control strategy are presented in this paper. To provide independent tracking of MPPs, a variable duty-cycle control strategy is employed for the wind system and a variable frequency strategy is employed for the PV system. Finally, the proposed dual-input converter for hybrid power conditioning system is implemented and the hardware test results are presented. From the hardware experiment, it is concluded that the proposed system successfully tracks the MPPs of both of the renewable power systems independently.

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Modeling and Controller Design of a Semiisolated Multiinput Converter for a Hybrid PV/Wind Power Charger System

Cited by 69 publications

References 32 publications

Analysis and implementation of a novel three input DC‐DC boost converter for sustainable energy applications

Analysis and implementation of a novel three input DC‐DC boost converter for sustainable energy applications

<b>Impact of modified perturb and observe control on MPPT of PV/battery fed three - port DC‐DC converter

Independent MPPTracking Method of Hybrid Solar-Wind Power Conditioning Systems Using Integrated Dual-Input Single-PWM-Cell Converter Topology

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