Fig 1.
Research and recovery of the Maximum Power Point [17].
(a)Variation of irradiance. (b) Load variation.
Fig 2.
Output current ripples function of the cells number.
Fig 3.
Equivalent circuit of the photovoltaic cell.
Fig 4.
One-cell boost converter.
Fig 5.
Magnetics coupler behavior for various harmonic order.
(a) 3 cells and (b) 5 cells connected in parallel.
Fig 6.
Parallel multicellular converter with P switching cells.
(a) P switching cells. (b)Internal structure of each cell.
Fig 7.
Basic diagram of the method by controlling the inductance current.
Fig 8.
(a)PSO flowchart. (b)Objective function.
Fig 9.
Diagram of control by sliding mode.
Table 1.
Designed parameters for simulation.
Fig 10.
Conventional boost with suggested MPPT for duty cycle = 0.25.
(a)Currents. (b)Voltages.
Fig 11.
Conventional boost with suggested MPPT for duty cycle = 0.5.
(a)Currents. (b)Voltages.
Fig 12.
Conventional boost with suggested MPPT for duty cycle = 0.75.
(a)Currents. (b)Voltages.
Fig 13.
Powers curves with conventional boost based on P&O MPPT.
(a)Constant irradiance. (b)Variable irradiance.
Fig 14.
Powers curves with conventional boost based on FSCC MPPT.
(a)Constant irradiance. (b)Variable irradiance.
Fig 15.
Powers curves with conventional boost based on fuzzy MPPT.
(a)Constant irradiance. (b)Variable irradiance.
Fig 16.
Powers curves with conventional boost based on sliding mode MPPT.
(a)Constant irradiance. (b)Variable irradiance.
Fig 17.
Irradiance profile under variation conditions.
Fig 18.
Powers curves with conventional boost based on proposed MPPT.
(a)Constant irradiance. (b)Variable irradiance.
Fig 19.
Powers curves with parallel boost converter based on proposed MPPT.
(a)Constant irradiance. (b)Variable irradiance.
Table 2.
Comparison among some solutions in terms of powers, response times and oscillations.
Table 3.
Comparison among some solutions in terms of transferred powers and efficiencies.
Fig 20.
Temperature profile under variation conditions.
Fig 21.
Proposed solution under temperature variations at constant irradiance.
(a)Currents. (b)Voltage.
Fig 22.
Proposed solution under temperature variations at constant irradiance.
(a)Powers. (b)powers zoom.
Fig 23.
(a) Irradiance profile. (b) Currents at constant irradiance.
Fig 24.
(a)Voltages and (b)output power at constant irradiance.
Fig 25.
(a)Currents and (b)Voltages under variable irradiance.
Fig 26.
(a)Output Power and (b)output power zoom under variable irradiance.
Table 4.
Performance analysis of the proposed solution and the HG-QBC.
Table 5.
Performance analysis of the proposed solution and the HG-QBC under irradiance variation.
Fig 27.
(a) Irradiance profile. (b) Currents at constant irradiance.
Fig 28.
(a) Voltages and (b) output power at constant irradiance.
Fig 29.
(a) Currents and (b) voltages under variable irradiance.
Fig 30.
(a) Powers and (b) powers zoom under variable irradiance.
Table 6.
Performance analysis of the proposed solution and the IHGBC.