Microwave Antenna Systems for Accurate Weather Monitoring in Solar Power Plants


Keywords:
Microwave Radiometry, Solar Photovoltaic Systems, Weather Monitoring, Ground-Based Radiometers, Microwave AntennasAbstract
Accurate and real -time weather monitoring is necessary for optimizing to the efficiency and
reliability of solar energy. This paper examines the integration of the microwave antenna system for
environmental sensing in the installation of solar photovoltaic (PV) systems, which focuses on their ability
to detect large atmospheric variables such as cloud cover, humidity and rainfall. By using ground -based
multichannel microwave radiometer (GMR), work with frequencies including 10 GHz, 18 GHz and 36
GHz, the system measures atmospheric brightness temperature (TB) to monitor the environmental
conditions affecting solar radiation. A sun-tracking calibration method is used to ensure all weather
operations, increase the accuracy and reliability of data acquisition. The architecture supports spontaneous
integration with the existing plant infrastructure using a 915 MHz wireless telemetry and is scalable for
both utility-scale and distributed photovoltaic systems. In addition, artificial neural networks (ANNs) are
used to model nonlinear between TB data and solar cell outputs, enabling accurately short-term energy
forecasting. The proposed approach supported by existing literature shows strong capacity to increase the
operational plan, improve forecast accuracy and support intelligent energy management in solar systems.
Limits and future directions, including phase-sensory antennas and hybrid sensor fusion, are also discussed.
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References
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