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Solar grid-connected power generation systems have successfully integrated into modern power grids after years of technological development. To mitigate the effects of power grids on photovoltaic (PV) generation systems, higher application technology requirements are necessary. Considering the future development of power grids, safety construction of grid-connected solar power stations should be prioritized, deepening the application of various technologies, adjusting the structure of PV grid-connected power generation systems within the grid, and ensuring the stability of photovoltaic power generation, thus reflecting the practical value of technological applications.
The Design of Photovoltaic Grid-Connected Power Generation Systems
Photovoltaic grid-connected solar power generation
systems are part of the photovoltaic generation system, where solar energy is supplied to the grid through inverters in a complementary manner. The primary role of PV solar arrays is to collect solar energy, which can be installed on the rooftops of high-rise buildings to ensure adequate solar energy input, allowing for stable connections to the grid system. The extensive integration of distributed generation systems into the grid has accelerated the intelligence of the grid construction process, particularly in the design of photovoltaic grid-connected power generation systems, broadening the application of solar energy resources and alleviating the supply pressures of traditional electricity.
Solar
Grid-Connected Inverter Control Technology
The grid-connected inverter control technology in photovoltaic grid-connected power generation systems employs PID controllers to ensure that the output current of the PV system remains synchronized with the grid’s frequency. In photovoltaic grid-connected power generation systems, both direct and indirect control methods are used, with direct control assisting indirect control to compensate for its shortcomings. PID control technology helps improve the operational efficiency of the photovoltaic grid-connected power generation system, regulating the transmission of operational currents according to the grid current instructions while maintaining stable voltage within the photovoltaic grid, enabling the system to quickly reach power status. Under the influence of PID, the control technology is divided into current inner loop and voltage loop designs, aimed at enhancing the operational efficiency of photovoltaic grid-connected power generation systems.
In the future, photovoltaic grid-connected power generation systems will develop towards maturity and gradually become an essential power supply system for society. The critical technologies within photovoltaic grid-connected power generation systems need to be planned according to system design to avoid impacting grid operation efficiency. Additionally, safety protection technologies must be implemented to prevent risk incidents in grid-connected power generation systems. Perfecting the application of critical technologies in photovoltaic grid connections will promote the application of system technologies and ensure high-quality performance of photovoltaic grid-connected power generation systems.
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Photovoltaic Power Generation Equipment Installation Design
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