MPPT Scheme for a PV-Fed Single-Phase Single-Stage Grid-Connected Inverter Operating in CCM With Only One Current Sensor

Patel, Himanshu; Agarwal, Vivek

doi:10.1109/tec.2008.2005282

Cited by 138 publications

(54 citation statements)

References 22 publications

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“…The charging period function the can reduce battery's charging time, the discharging period function can reduce battery's internal temperature and concentration polarization, and the rest period function can provide the battery's rest time. Therefore, the increased charging efficiency and extended lifecycle of battery are clear [15][16][17][18][19][20][21][22]. A number of single-stage chargers have been developed and proposed.…”

Section: Open Accessmentioning

confidence: 99%

A Reflex Charger with ZVS and Non-Dissipative Cells for Photovoltaic Energy Conversion

Tsai

Kuo

et al. 2015

Energies

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Abstract:In this paper, a reflex charger with zero-voltage-switching (ZVS) and non-dissipative cells for photovoltaic (PV) energy conversion is presented. The proposed reflex charger has the following advantages: (1) A ZVS cell is incorporated to reduce the switching losses of the main and auxiliary switches. Therefore, the conversion efficiency of the proposed reflex charger can be improved significantly; (2) A non-dissipative charging/discharging reflex cell is used to increase charging efficiency and extend lifecycle of battery. Finally, a prototype reflex charger with ZVS and non-dissipative cells is built and implemented. Experimental results are presented to verify the performance and the feasibility of the proposed reflex charger for PV energy conversion.

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Section: Open Accessmentioning

confidence: 99%

A Reflex Charger with ZVS and Non-Dissipative Cells for Photovoltaic Energy Conversion

Tsai

Kuo

et al. 2015

Energies

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“…Voltage feedback method: (3,4) By achieving a magnitude of MPPT voltage corresponding to certain illumination and temperature in advance, the terminal voltage of a solar cell module may be controlled to match with a predetermined quantity to achieve the MPPT effect. However, two great drawbacks exist, namely, failing to automatically track any additional maximum power point and consuming energy when the atmospheric conditions drastically change, leading to energy loss.…”

Section: Introductionmentioning

confidence: 99%

A Solar Power Regulation System Equipped with Intelligent Solar Power Detector

2017

Sensors and Materials

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This paper describes a solar energy power regulation system using solar power detectors. The system developed comprises a cubic solar power detector, DC-DC converter, three-phase inverter, and a single-chip control module. The cubic solar power detector is composed of five facets installed with front, rear, left, right, and horizontal photo sensors. By detecting solar power coming from different orientations, the solar orientation and solar power can be optimized based on a geometric transformation principle, which evaluates the relationship between photo-power and solar orientation for each sensor. Because the output power of a solar cell can significantly affect the generating capacity of the cell, a solar energy power regulation system was developed to regulate the electricity generated. The solar generating power is monitored by a cubic solar power detector and regulated by a three-phase pulse width modulation inverter. This paper describes the realization and implementation of a solar power regulation system, and experiments have been carried out to validate the performance. Measurements reveal that the system is definitely effective in regulating solar power output and can successfully boost solar power generating capacity.

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“…Small-scale distributed energy resource (DER) systems using photovoltaic (PV) sources for domestic and utility purposes have seen a drastic increase of interest in the literature coupled with an increase in market share [1]- [8].…”

Section: Introductionmentioning

confidence: 99%

A Flyback-Assisted Single-Sourced Photovoltaic Power Conditioning System Using an Asymmetric Cascaded Multilevel Inverter

Manoharan¹,

Ahmed²,

Park³

2016

Journal of Power Electronics

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This paper proposes a power conditioning system (PCS) for distributed photovoltaic (PV) applications using an asymmetric cascaded multilevel inverter with a single PV source. One of the main disadvantages of the cascaded multilevel inverters in PV systems is the requirement of multiple isolated DC sources. Using multiple PV strings leads to a compromise in either the voltage balance of individual H-bridge cells or the maximum power point tracking (MPPT) operation due to localized variations in atmospheric conditions. The proposed PCS uses a single PV source with a flyback DC-DC converter to facilitate a reduction of the required DC sources and to maintain the voltage balance during MPPT operation. The flyback converter is used to provide input for low-voltage H-bridge cells which processes only 20% of the total power. This helps to minimize the losses occurring in the proposed PCS. Furthermore, transient analyses and controller design for the proposed PCS in both the stand-alone mode and the grid-connection mode are presented. The feasibility of the proposed PCS and its control scheme have been tested using a 1kW hardware prototype and the obtained results are presented.

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MPPT Scheme for a PV-Fed Single-Phase Single-Stage Grid-Connected Inverter Operating in CCM With Only One Current Sensor

Cited by 138 publications

References 22 publications

A Reflex Charger with ZVS and Non-Dissipative Cells for Photovoltaic Energy Conversion

A Reflex Charger with ZVS and Non-Dissipative Cells for Photovoltaic Energy Conversion

A Solar Power Regulation System Equipped with Intelligent Solar Power Detector

A Flyback-Assisted Single-Sourced Photovoltaic Power Conditioning System Using an Asymmetric Cascaded Multilevel Inverter

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