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Energy cost from Heating-Ventilation-Air-Conditioners (HVAC) is a significant fraction of the overall operational cost of commercial buildings. Moreover, in developing countries such as India with inadequate grid connectivity and frequent outages, diesel generators (DG) are a common source of backup power. While this may address the problem of outages, power from DGs is highly expensive. While solar...
In this paper, we design an architecture of Energy Management Systems (EMS) for resilient operation of microgrids and describe autonomous mechanisms that dynamically enable 1) enhancement for scalability, 2) system modification and upgrade, and 3) failure detection and recovery. Designing the resilient architecture and achieving autonomous mechanisms are of critical importance for a system operator...
This paper presents an experimental investigation in reusing vehicle traction lithium ion batteries for a second life application as a stationary energy storage system. A single family household demonstrated solar storage and demand side management, integrating a PV array, a grid interface and battery energy storage. The stationary battery pack, composed of retired vehicle traction batteries, serves...
This paper proposes a novel photovoltaic (PV) distributed generation design process to optimally size and select the PV system characteristics including energy storage capacities using Artificial Neural Network (ANN). This process is designed to be functional for a wide range of electrical loads and solar irradiance values for residential houses in the State of Georgia. Under this system, two neural...
Although batteries have been used in personal vehicles for more than a hundred years, the cost of the technology, limitation in range, absence of sufficient recharging infrastructure and rapid development of internal combustion engines during the mid-twentieth century limited its use to very niche applications. More recently, a global need for reducing CO2 emissions from fossil fuel usage and the...
Microgrid is any subset of a distribution grid that can be islanded from the grid and continue to operate as a distributed energy resource (DER). Recent advances in technology have enabled the creation of microgrid test beds, with distributed generation (DG) and energy storage providing sufficient energy to power the loads within the Microgrids. Duke Energy is developing a new Microgrid test bed at...
The paper presents an agent-based scheduling and energy management system for a smart distribution feeder which is installed on a test site and includes an electric car sharing fleet. Distributed Energy storage systems provide flexibility in the operation of the test site, where the integration of multiple power sources including Renewable Energy Sources and Distributed Generators is implemented....
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