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Performance Analysis of Three-Phase Inverter in Solar PV System Under Dynamic Load Condition

The photovoltaic system consists of a series and parallel combination of photovoltaic arrays, a DC-DC converter, a DC-AC inverter to generate output voltages. A high amount of ripple, harmonics, inverts in voltage, overheating are the basic problems associated with the DC-DC converter. A single-ended boost or buck-boost converter has been used to overcome the above problem. In this paper, a comprehensive study has been explored in the design and performance analysis of different converter and inverter. To analyze the system behavior, we have modeled the PV array in different irradiation and temperature. A Maximum Power Point Tracking (MPPT) algorithm has been used to track the maximum power point. To control the DC-DC converter Pulse Width Modulation (PWM) is used and to reduce the harmonics an LC filter is used with the inverter. Three phase dynamic load is connected to the inverter; the phase voltage, current, and power of the inverter are observed at different environmental conditions. The simulated results presented in this paper are developed in MATLAB/Simulink environment and validate the full PV system components.