Abstract
Power generation faces a major challenge in meeting peak load requirements. Energy suppliers are highly dependent on fossil fuels due to the limited resources of non-renewable energy production. Therefore, researchers and scientists are looking for distributed generators (DGs) to provide additional power during peak periods of the energy curve. Solar energy gives them an extra twist to meet the load demand during this time. As a result, the grid-based solar photovoltaic (PV) system is attracting particular attention from researchers and industry in order to reduce the burden of fossil fuel power generation. Single-stage and two-stage photovoltaic systems are suitable for grid connection with or without battery holder. This article provides a comprehensive overview of a grid connected solar system. The entire architecture of the on-grid photovoltaic system includes the construction of a photovoltaic generator, MPPT methods and DC-DC converters.
Highlights
Solar power is the most abundant and cleanest renewable energy source in the world and is technically ready for a variety of uses, e.g. B. generate electricity for private, commercial or industrial consumption
In this system, when the non-linear load is an inductive load, the power system needs reactive power for precise operation, so this requirement must be provided by the voltage source
By connecting the branch system, the compensation current (Icomp) of the opposite direction is injected with equivalent amplitude into the system, and the reactive current of the load is compensated, the voltage regulation is improved and the unity of the power factor is obtained
Summary
Solar power is the most abundant and cleanest renewable energy source in the world and is technically ready for a variety of uses, e.g. B. generate electricity for private, commercial or industrial consumption. From the point of view of efficiency and reliability, some publications have reported on single-stage photovoltaic systems connected to the grid consisting of a photovoltaic generator and DC-AC converter with MPPT for the control of active and reactive power using linear control techniques conventional. The proposed D-Σ approach summarizes the fluctuations of the inductance current over a switching cycle in order to directly derive control laws, with which it is possible to overcome the limitation of the d-q transformation The inverter with this control can drive or delay various power factors (PFs) allowing for large fluctuations in filter inductance and line voltage distortion and greatly reducing core size. The simulation and test results are presented to validate the design
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