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MICROPROCESSOR BASED CONTROLLER FOR SOLAR TRACKING


MICROPROCESSOR BASED CONTROLLER FOR SOLAR TRACKING

A microprocessor based solar tracking controller is designed and fabricated . In addition to tracking , the controller is capable acquiring photovoltaic and metereological data from a photovoltaic system and controlling battery / load . These features are extremely useful in autonomous PV system installed in remote areas for system control and monitoring. Solar tracking can be achieved in closed loop and open loop modes and the controller can provide either 6 PWM signals for 3 phase, 50 Hz ac motor or 4 step signals for a stepper motor . The controller has been tested using PV system in our laboratory.

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