Date

12-2012

Degree Name

BS in Electrical Engineering

Department

Electrical Engineering Department

Advisor

Ahmad Nafisi

Abstract

When power outages occur, many homes are left without power for some time as they are dependent on the power grid. This project aims to design a residential grid tied battery backup photovoltaic system that will provide up to 7.2kW in an area that gets 5.36-5.49 kWh/m2/day [1] to support a home with an average daily usage of 28.4 kWh/day. To effectively use this system the house remains connected to the electric utility at all times, so any power needed above what the solar system can produce is simply drawn from the utility. It includes battery backup or uninterruptible power supply (UPS) capability to operate selected circuits in the residence for hours or days during a utility outage. Designing a grid tied photovoltaic system reduces dependence on the utility and provides a cost effective safety net against losing necessary power for refrigerated food storage, water facilitation, crops, and livestock.

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