Battery or fuel cell support for an autonomous photovoltaic power system

Ro, Kyoung-Soo; Rahman, Saifur

doi:10.1016/s0960-1481(97)00066-9

Cited by 12 publications

(4 citation statements)

References 11 publications

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“…The experimental setup is described by Figure 4, the nonlinear backstepping control law (22) will be now evaluated by simulation. It worth noting that the parameter 𝑉 𝑟é𝑓 involved in (11) and ( 12) is generated using PSO and VSP&O/GS algorithms with the block diagram illustrated by Figure 9. The major properties of the completely loaded components at a temperature of 25 °C are presented in Table 2.…”

Section: Simulation Results and Discussionmentioning

confidence: 99%

“…Thus, the techniques dedicated to PV storage systems, which are based on sliding mode controllers such as the nonlinear backstepping control proposed by [9], [10],this control provides good stability to the system using the Lyapunov function. Since the 1990s, several authors have tried to evaluate and integrate energy storage systems with PV systems [11]. Others have done their comparative studies to investigate the performance and costs of different battery technologies [12] Nowadays, several technologies and studies on energy storage exist in the literature, showing their reliability and economic applicability.…”

Section: Introductionmentioning

confidence: 99%

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Nonlinear backstepping control of a partially shaded photovoltaic storage system

Khadija

Ouadia

Farchi

2022

IJEECS

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Many power converter architectures and control approaches, both traditional and unconventional, have been developed, investigated, and adjusted to handle the challenge of tracking the maximum power points of a partially shaded photovoltaic (PV) system, which fluctuates with meteorological conditions (radiation and temperature). A DC-DC converter was used as the power conditioning unit to determine the system’s maximum efficiency. In this research, we focus on developing a nonlinear controller for a DC-DC converter to track the overall maximum power point in a PV storage system under partial shading situations. This study presents a combination of two MPP search algorithms with a backstepping controller. The particle swarm optimization (PSO) and variable step Perturb and Observe (P&O)with global scan (VSP&O/GS) algorithms supply the PV output reference voltage to the backstepping controller in order to recover the maximum power from photovoltaic (PV) systems. The simulation results of the methods compared to the proposed maximum power point (MPPT) algorithm are simulated and examined in the MATLAB/Simulink environment under non-uniform irradiation conditions. To demonstrate the performance and limits of each approach in tracking the maximum power point.

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Section: Simulation Results and Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nonlinear backstepping control of a partially shaded photovoltaic storage system

Khadija

Ouadia

Farchi

2022

IJEECS

View full text Add to dashboard Cite

show abstract

Section: Introductionmentioning

confidence: 99%

Hydrogen and renewable energy sources integrated system for greenhouse heating

Blanco¹,

Anifantis²,

Pascuzzi³

et al. 2013

J Agricult Engineer

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A research is under development at the Department of Agro- Environmental Sciences of the University of Bari “Aldo Moro” in order to investigate the suitable solutions of a power system based on solar energy (photovoltaic) and hydrogen, integrated with a geothermal heat pump for powering a self sustained heated greenhouse. The electrical energy for heat pump operation is provided by a purpose-built array of solar photovoltaic modules, which supplies also a water electrolyser system controlled by embedded pc; the generated dry hydrogen gas is conserved in suitable pressured storage tank. The hydrogen is used to produce electricity in a fuel cell in order to meet the above mentioned heat pump power demand when the photovoltaic system is inactive during winter night-time or the solar radiation level is insufficient to meet the electrical demand. The present work reports some theoretical and observed data about the electrolyzer operation. Indeed the electrolyzer has required particular attention because during the experimental tests it did not show a stable operation and it was registered a performance not properly consistent with the predicted performance by means of the theoretical study.

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“…Consequently it is necessary to provide this systems with a power back up arrangement as in example batteries, which are commonly used for this purpose but have also some limitations such as limited lifetime and low energy storage capacity. Fuel cells application, fuelled with hydrogen, is better than batteries when used to support solar energy power plants (Ro et Rahman, 1998). Renewable sources energy can be used to generate high purity hydrogen gas through water electrolysis process; produced hydrogen, as energy vector, can serve to store energy produced in excess when compared to demand, and at a later stage it can be used as a fuel to reproduce electricity through fuel cell systems.…”

Section: Introductionmentioning

confidence: 99%

Hydrogen and renewable energy sources integrated system for greenhouse heating

Blanco¹,

Anifantis²,

Pascuzzi³

et al. 2013

J Agricult Engineer

View full text Add to dashboard Cite

A research is under development at the Department of AgroEnvironmental Sciences of the University of Bari "Aldo Moro" in order to investigate the suitable solutions of a power system based on solar energy (photovoltaic) and hydrogen, integrated with a geothermal heat pump for powering a self sustained heated greenhouse. The electrical energy for heat pump operation is provided by a purpose-built array of solar photovoltaic modules, which supplies also a water electrolyser system controlled by embedded pc; the generated dry hydrogen gas is conserved in suitable pressured storage tank. The hydrogen is used to produce electricity in a fuel cell in order to meet the above mentioned heat pump power demand when the photovoltaic system is inactive during winter night-time or the solar radiation level is insufficient to meet the electrical demand. The present work reports some theoretical and observed data about the electrolyzer operation. Indeed the electrolyzer has required particular attention because during the experimental tests it did not show a stable operation and it was registered a performance not properly consistent with the predicted performance by means of the theoretical study.

show abstract

Battery or fuel cell support for an autonomous photovoltaic power system

Cited by 12 publications

References 11 publications

Nonlinear backstepping control of a partially shaded photovoltaic storage system

Nonlinear backstepping control of a partially shaded photovoltaic storage system

Hydrogen and renewable energy sources integrated system for greenhouse heating

Hydrogen and renewable energy sources integrated system for greenhouse heating

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