June 18, 2006
June 18, 2006
June 21, 2006
Energy Conversion and Conservation
11.406.1 - 11.406.11
Design of a Low-cost Solar Tracking Photo-Voltaic (PV) Module and Wind Turbine Combination System
This paper describes the design of a low cost, 0.9kW solar tracking photo-voltaic (PV) array system as part of an undergraduate senior project. The solar tracking system is interfaced with a 1kW wind turbine, a deep cycle battery storage system, a charge controller and an inverter. Solar tracking is realized through “field” programmable complex digital circuit and alternatively with a low cost solar radiation sensing transducer consisting of green light emitting diodes (LED). Actuation of the panel tilt for azimuth tracking and rotation of the panel for solar tracking are operated with a gear motor-based control system for adjusting the PV mount system’s position so as to collect maximum solar radiation. The gear motor controller module is built with state-of- the-art, low-cost digital logic circuit with built-in flexibility to accommodate seasonal position adjustments of the PV mounts. The design includes a computer remote access for monitoring the power generation of the system. The system is configured for an insolation (solar radiation) condition specific to the location of the system at the University of the District of Columbia in Washington, DC, but could be easily configured for any other location.
As depicted in Figure 1, the position of the sun with respect to that of the earth changes in a cyclic manner during the course of a calendar year. Tracking the position of the sun in order to expose a solar panel to maximum radiation at any given time is the main purpose of a solar tracking PV system.
Lakeou, S., & Ososanya, E., & Latigo, B., & Karanja, G., & Mahmoud, W., & Oshumare, W. (2006, June), Design Of A Low Cost Solar Tracking Photo Voltaic (Pv) Module And Wind Turbine Combination System. Paper presented at 2006 Annual Conference & Exposition, Chicago, Illinois. https://peer.asee.org/1152
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