Real-time implementation of improved predictive model control for standalone power generation system based PV renewable energy

In this study, improved predictive model control (PMC) strategy with prediction horizon of one sampling time for standalone solar photovoltaic (PV) system is discussed. Two control strategies based on the improved PMC approach are designed and implemented to ensure a fast and accurate stability of t...

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Veröffentlicht in:IET generation, transmission & distribution Jg. 13; H. 7; S. 1068 - 1077
Hauptverfasser: Ikaouassen, Halima, Raddaoui, Abderraouf, Rezkallah, Miloud, Chandra, Ambrish
Format: Journal Article
Sprache:Englisch
Veröffentlicht: The Institution of Engineering and Technology 09.04.2019
Schlagworte:
accurate stability
adaptive proportional–integral controller
clean power
DC‐DC power convertors
efficient dc–dc boost converter
enhanced control strategies
enhanced PMC‐based maximum power point tracking
equivalent system resistance
fast stability
high performance
improved PMC approach
improved PMC controller
improved predictive model control strategy
maximum power point trackers
output ac voltage
parameters design method
photovoltaic power systems
PI control
power generation control
prediction horizon
PV renewable energy
Research Article
sampling prediction interval
sampling time
solar power stations
solar PV
standalone power generation system
standalone solar photovoltaic system
time implementation
output ac voltage
improved PMC approach
efficient dc–dc boost converter
power generation control
time implementation
clean power
accurate stability
improved PMC controller
solar PV
PV renewable energy
high performance
improved predictive model control strategy
solar power stations
PI control
equivalent system resistance
adaptive proportional–integral controller
photovoltaic power systems
standalone power generation system
enhanced control strategies
DC-DC power convertors
maximum power point trackers
prediction horizon
sampling prediction interval
sampling time
enhanced PMC-based maximum power point tracking
standalone solar photovoltaic system
parameters design method
fast stability
ISSN:1751-8687, 1751-8695
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Beschreibung
Zusammenfassung:In this study, improved predictive model control (PMC) strategy with prediction horizon of one sampling time for standalone solar photovoltaic (PV) system is discussed. Two control strategies based on the improved PMC approach are designed and implemented to ensure a fast and accurate stability of the system. Enhanced PMC-based maximum power point tracking is developed and implemented to extract maximum power and achieve high performance from solar PV under the presence of severe conditions by estimating the equivalent system resistance and output PV voltage. Furthermore, to achieve high performance without saturation issue, adaptive proportional–integral controller with anti-windup is employed. In addition, modelling as well as the parameters design method are offered. An efficient dc–dc boost converter is employed. To regulate the output ac voltage and frequency, as well as, supply a clean power to the connected load, improved PMC controller is developed and implemented. To predict the attitude of the output ac voltage at each sampling prediction interval for all possible switching states, the cost function is defined and evaluated as a standard to select the position function of the switches. The performances of the proposed system and their enhanced control strategies are verified using MATLAB/Simulink, and validated in real time using laboratory prototype.
ISSN:1751-8687
1751-8695
DOI:10.1049/iet-gtd.2018.5010