A Feasibility Study of Stationary and Dual-axis Tracking Grid-connected Photovoltaic Systems in the Upper Midwest

A Feasibility Study of Stationary and Dual-axis Tracking Grid-connected Photovoltaic Systems in the Upper Midwest

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The annual average daily solar insolation seen by the stationary and dual-axis tracking systems was found to be 4.37 and 5.95 kWh/m2, respectively. In terms of energy generation, the tracking system outperformed the stationary system on annual, monthly, and often daily bases; normalized annual energy generation for the tracking and stationary systems were found to be 1, 779 and 1, 264 kWh/kWp, respectively. The annual average conversion efficiencies of the tracking and stationary systems were found to be approximately 11 and 10.7 percent, respectively. Annual performance ratio values of the tracking and stationary system were found to be 0.819 and 0.792, respectively.The DC wiring length between the modules and inverter is 19 m (62 ft). The length of DC wiring is important due to resistive losses that decrease the usable power generated by the array; however, a relatively large diameter wire was specifiedanbsp;...


Title:A Feasibility Study of Stationary and Dual-axis Tracking Grid-connected Photovoltaic Systems in the Upper Midwest
Author: Ryan Duwain Warren
Publisher:ProQuest - 2008
ISBN-13:

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