Hypothetical Adaptation of the Design of Stand-Alone Solar Photovoltaic System as Resource Base Substitute for Optimal Alternative Energy Production for Remote Residential Application

Ugwu, H. U.
November 2011
International Review of Mechanical Engineering;Nov2011, Vol. 5 Issue 7, p1340
Academic Journal
Stand-alone solar photovoltaic power systems are natural options for application in the electrification of remote areas which are outside the grid connected electricity supply systems. They represent a vast and varied range of possibilities. A standard and durable stand-alone photovoltaic system with more than 20 years life expectancy for handling household appliances in remote residential locations has been designed. This was necessitated by the fact that most rural villages are not connected to the national grid supply which has been very epileptic, unsteady and unpredicted even when available. Also, the technical overview of this system and the impact of solar irradiance on the performance of photovoltaic cells are presented. Further, the system's design including the general load evaluation and the ampere-hour method of sizing the system and its balance-of-system components are adopted and consolidated. From the design performance, the calculated ampere-hour load was estimated at 1388.88 AH/day with a system design current of 374.92 Amps and a peak current of 232.74 Amps, while the corrected ampere-hour load was 1574.66 AH/day, respectively. These, have the capacity of derating the current at 416.58 Amps utilizing a total of 640 modules and 144 deep-charge solar photovoltaic batteries.


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