scholarly journals Three-Phase Three-Level Flying Capacitor PV Generation System with an Embedded Ripple Correlation Control MPPT Algorithm

Electronics ◽  
2019 ◽  
Vol 8 (2) ◽  
pp. 118 ◽  
Author(s):  
Manel Hammami ◽  
Mattia Ricco ◽  
Alex Ruderman ◽  
Gabriele Grandi
Keyword(s):  
Control Method ◽  
Low Frequency ◽  
Maximum Power ◽  
Phase System ◽  
Pv System ◽  
Maximum Power Point ◽  
Three Phase ◽  
Harmonic Components ◽  
Power Point ◽  
Pv Generation

This paper presents the implementation of a maximum power point tracking (MPPT) algorithm in a multilevel three-phase photovoltaic (PV) system using the ripple correlation control (RCC) method. Basically, RCC adopts the inherent oscillations of PV current and voltage as perturbation, and it has been predominantly used for single-phase configurations, where the oscillations correspond to the 2nd order harmonics. The implementation of an RCC-MPPT algorithm in a three-phase system has not been presented yet in the literature. In this paper, the considered three-phase three-level converter is a three-level flying capacitor (FC) inverter. The proffered RCC method uses the 3rd harmonic components of PV current and voltage for the estimation of the voltage derivative of the power dPpv/dVpv (or current, dIpv/dVpv), compelling the PV array to operate at or very close to the maximum power point. The analysis and calculation of the low-frequency PV current and voltage ripple harmonic components in the three-phase flying capacitor inverter is presented first, with reference to centered carrier-based three-level PWM. The whole grid-connected PV generation scheme has been implemented by MATLAB/Simulink, and detailed numerical simulations verified the effectiveness of the control method in both steady-state and dynamic conditions, emulating different sun irradiance transients.

scholarly journals Control of Power and Voltage of Solar Grid Connected

2016 ◽  
Vol 6 (1) ◽  
pp. 26 ◽  
Author(s):  
Boucetta Abd Allah ◽  
Labed Djamel
Keyword(s):  
Control Strategy ◽  
High Efficiency ◽  
Harmonic Distortion ◽  
Maximum Power ◽  
Photovoltaic System ◽  
Pv System ◽  
Maximum Power Point ◽  
Three Phase ◽  
Power Point ◽  
Computational Resources

Renewable energy is high on international agendas. Currently, grid-connected photovoltaic systems are a popular technology to convert solar energy into electricity. Control of power injected into the grid, maximum power point, high efficiency, and low total harmonic distortion of the currents injected into the grid are the requirements for inverter connection into the grid. Consequently, the performance of the inverters connected to the grid depends largely on the control strategy applied. In this paper the simulation and design of grid connected three phase photovoltaic system using Matlab/Simulink has examined. The proposed system consists photovoltaic panels, boost and inverter the PV system convert the sun irradiation into direct current, thereafter we have used a boost to track the maximum power point of the PV system, three-phase inverter and LC output filter. A VOC control strategy based on the phase shifting of the inverter output voltage with respect to the grid voltage. The proposed control strategy requires few hardware and computational resources. As a result, the inverter implementation is simple, and it becomes an attractive solution for low power grid connected applications.

The Simulative Research of Three-Phase PV Grid-Connected Control System Based on SVPWM Inverter

2013 ◽  
Vol 325-326 ◽  
pp. 538-542
Author(s):  
Qi Ming Cheng ◽  
Xiao Qing Hu ◽  
Kai Wu ◽  
Yuan Fei Bai
Keyword(s):  
Control System ◽  
Control Strategy ◽  
Simulation Analysis ◽  
Maximum Power ◽  
System Control ◽  
Pv System ◽  
Maximum Power Point ◽  
Three Phase ◽  
Power Point ◽  
Pv Grid

The PV grid-connected control system is mainly related to a few key issues that are characteristics of photovoltaic cells, maximum power point tracking and grid-connected control of three-phase inverter. In this paper, simulation analysis and study of the three-phase grid-connected PV system control strategy. The control strategy of the three-phase PV grid-connected system is analyzed and studied by simulative experiment in this paper. First, a mathematical model of solar cells is established, then the algorithms based on perturb & observe to track maximum power point is used; Secondly, the structure of three-phase PV grid-connected system is introduced, and the space vector SVPWM controller is used to control the grid-connected inverter; Finally, the simulative results on Matlab/Simulink software show that SVPWM inverter control strategy is superior to the traditional hysteresis current inverter control strategy, which illustrates the reliability and superiority of SVPWM control strategy.

scholarly journals Control of power and voltage of solar grid connected

2016 ◽  
Vol 6 (1) ◽  
pp. 26 ◽  
Author(s):  
Boucetta Abdou Abdallah ◽  
Labed Djamel
Keyword(s):  
Control Strategy ◽  
High Efficiency ◽  
Harmonic Distortion ◽  
Maximum Power ◽  
Photovoltaic System ◽  
Pv System ◽  
Maximum Power Point ◽  
Three Phase ◽  
Power Point ◽  
Computational Resources

Renewable energy is high on international agendas. Currently, grid-connected photovoltaic systems are a popular technology to convert solar energy into electricity. Control of power injected into the grid, maximum power point, high efficiency, and low total harmonic distortion of the currents injected into the grid are the requirements for inverter connection into the grid. Consequently, the performance of the inverters connected to the grid depends largely on the control strategy applied. In this paper the simulation and design of grid connected three phase photovoltaic system using Matlab/Simulink has examined. The proposed system consists photovoltaic panels, boost and inverter the PV system convert the sun irradiation into direct current, thereafter we have used a boost to track the maximum power point of the PV system, three-phase inverter and LC output filter. A VOC control strategy based on the phase shifting of the inverter output voltage with respect to the grid voltage. The proposed control strategy requires few hardware and computational resources. As a result, the inverter implementation is simple, and it becomes an attractive solution for low power grid connected applications.

scholarly journals Simulasi Desain Kontrol MPPT Sistem Photovoltaic (MPPT Control Design Simulation Photovoltaic Systems)

2019 ◽  
Vol 3 (1) ◽  
pp. 40
Author(s):  
Puji Slamet ◽  
Subekti Yuliananda ◽  
Santoso Santoso
Keyword(s):  
Pid Control ◽  
Control Method ◽  
Control Design ◽  
Maximum Power ◽  
Pv System ◽  
Maximum Power Point ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Simulink Simulation ◽  
Power Point

Maximum Power Point Tracking (MPPT) modeling has been developed which is part of a photovoltaic (PV) system. This study applies an algorithm for tracking maximum power points in the photovoltaic unit as a whole. The algorithm applied to the MPPT is simulated in PROTEUS modeling to verify the proposed method, the PID control method is simulated in Matlab and Simulink. Simulation shows that changes in input current and voltage will produce different PID controls, with a PWM duty cycle of 10% to 99%. 

On the Contrast and Research of Maximum Power Point Tracking Control in the Microgrids PV System

2013 ◽  
Vol 756-759 ◽  
pp. 361-364
Author(s):  
Bo Hu ◽  
Zai Lin Piao
Keyword(s):  
Tracking Control ◽  
Control Method ◽  
Maximum Power Point Tracking ◽  
Maximum Power ◽  
Pv System ◽  
Maximum Power Point ◽  
Advantages And Disadvantages ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Power Point

In microgrids operation, photovoltaic power generation system need to quickly and accurately for maximum power point tracking (MPPT), namely MPPT technology, because of the diversity of the control method, its control effect is different, a realization of process is also great difference. And because the current maximum power point tracking method is not enough accurate and mature, which led to the photovoltaic system power loss, this paper expounds the advantages and disadvantages of all kinds of tracking control method, in light of the maximum power point tracking control theory, and sums up the mathematical model of optimization, seeking the optimal control method. The paper is to explore maximum power point tracking control method development mentality, to look forward the research direction of the microgrids PV system.

A DC Voltage Estimations at the Maximum Power Point of a PV System with Partial Shade

2015 ◽  
Vol 135 (12) ◽  
pp. 1463-1469
Author(s):  
Atsushi Nakata ◽  
Akihiro Torii ◽  
Jun Ishikawa ◽  
Suguru Mototani ◽  
Kae Doki ◽  
...  
Keyword(s):  
Maximum Power ◽  
Pv System ◽  
Maximum Power Point ◽  
Dc Voltage ◽  
Partial Shade ◽  
Power Point
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