book

Power Electronics and Control Techniques for Maximum Energy Harvesting in Photovoltaic Systems

by Nicola Femia, Giovanni Petrone, Giovanni Spagnuolo, Massimo Vitelli

July 2017

Intermediate to advanced

366 pages

8h 45m

English

CRC Press

Read now

Unlock full access

1.1 From the Photovoltaic Cell to the Field1.2 The Electrical Characteristic of a PV Module1.3 The Double-Diode and Single-Diode Models1.4 From Data Sheet Values to Model Parameters1.4.1 Parameters Identification Assuming Rp — oo1.4.2 Parameters Identification Including Rp1.4.3 Parameters Identification Including Rp: Explicit Solution1.4.4 Other Approaches Proposed in Literature1.5 Example: PV Module Equivalent Circuit Parameters Calculation1.6 The Lambert W Function for Modeling a PV Field1.6.1 PV Generator Working in Uniform Conditions1.6.2 Modeling a Mismatched PV Generator1.7 ExampleReferences
2.1 The Dynamic Optimization Problem2.2 Fractional Open-Circuit Voltage and Short-Circuit Current2.3 Soft Computing Methods2.4 The Perturb and Observe Approach2.4.1 Performance Optimization: Steady-State and Dynamic Conditions2.4.2 Rapidly Changing Irradiance Conditions2.4.3 P&O Design Example: A PV Battery Charger2.5 Improvements of the P&O Algorithm2.5.1 P&O with Adaptive Step Size2.5.2 P&O with Parabolic Approximation2.6 Evolution of the Perturbative Method2.6.1 Particle Swarm Optimization (PSO)2.6.2 Extremum Seeking and Ripple Correlation Techniques2.6.3 The Incremental Conductance Method2.7 PV MPPT via Output Parameters2.7.1 The TEODI Approach2.8 MPPT EfficiencyReferences

3.1 Low-Frequency Disturbances in Single-Phase Applications…3.1.1 The Perturb and Observe Approach Applied to Closed-Loop Switching Converters3.1.2 Example of P&O Design for a Closed-Loop Boost Converter3.2 Instability of the Current-Based MPPT Algorithms3.3 Sliding Mode in PV System3.3.1 Noise Rejection by Sliding Mode: Numerical Example3.3.2 MPPT Current Control by Sliding Mode3.3.2.1 Basic Configuration of Sliding Mode with Voltage Controller3.3.2.2 Voltage Controller Design3.3.3 Sliding Mode MPPT Controller: Numerical Example3.4 Analysis of the MPPT Performances in a Noisy Environment3.4.1 Noise Attenuation by Using Low-Pass Filters3.4.2 Error Compensation by Increasing the Step Perturbation3.4.3 ADC Quantization Error in the P&O Algorithm: Numerical ExampleReferences
4.1 Limitations of Standard MPPT4.2 A New Approach: Distributed MPPT4.2.1 DMPPT by Means of Microinverters4.2.2 DMPPT by Means of DC/DC Converters4.3 DC Analysis of a PV Array with DMPPT4.3.1 Feasible Operating Regions4.3.2 Examples of Feasible Operating Regions4.3.3 I-V and P-V Characteristics of Boost-Based SCPVMs4.3.4 I-V and P-V Characteristics of Buckboost-Based SCPVMs4.4 Optimal Operating Range of the DC Inverter Input Voltage4.5 AC Analysis of a PV Array with DMPPT4.5.1 AC Model of a Single SCPVM4.5.2 Small-Signal Model of a Photovoltaic Array with DMPPT4.5.3 Stability of a String of SCPVMsReferences
5.1 Introduction5.2 Power, Energy, Efficiency5.3 Energy Harvesting in PV Plant Using DMPPT Power Converters5.4 Losses in Power Converters5.5 Losses in the Synchronous FET Switching Cells5.6 Conduction Losses5.7 Switching Losses5.7.1 Turn ON5.7.2 Turn OFF5.7.3 Thermal Analysis5.7.4 ExampleReferences