This paper focuses on performance analyzing and dynamic modeling of the current grid-tied fixed array 6.84kW solar photovoltaic system located at Florida Atlantic University (FAU). A battery energy storage system is designed and applied to improve the systems' stability and reliability. An overview of the entire system and its PV module are presented. In sequel, the corresponding I-V and P-V curves are obtained using MATLAB-Simulink package. Actual data was collected and utilized for the modeling and simulation of the system. In addition, a gridconnected PV/Battery system with Maximum Power Point Tracking (MPPT) controller is modeled to analyze the system performance that has been evaluated under two different test conditions: (1) PV power production is higher than the load demand; (2) PV generated power is less than required load. A battery system has also been sized to provide smoothing services to this array. The simulation results show the effective of the proposed method. This system can be implemented in developing countries with similar weather conditions to Florida.

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Safety concerns within the substation, such as fractures, burns and wasp stings caused in the field, are addressed with the proposed solution. Risks can be avoided through tracking and communication. This paper focuses on safety improvement and increasing work efficiency in the electric substations and an overview of the entire system and its functions are presented. The extension of the hard hat was designed on Tinkercad, the 3Dprinted ring can be placed on a typical hardhat. In sequel, the corresponding mobile application is created using the Xcode 8 program and Swift 3 programming language. Feedback from utilities workers is incorporated to modify the wireless technology. Overall, the S&S Tractus incorporates six features which allow workers to complete their tasks safer and more efficiently than ever before. It provides early warnings of potential safety issues, making interdepartmental phone calls, speech recognition for note taking, a global positioning system (GPS), photo taking and headlamp adjustments.