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This paper presents the results of a demonstration focusing on consumers management in Greece. The application uses distributed intelligence and more specific Multi Agent Systems in order to allow the active management and cooperation between the home appliances. The scenario presented in this paper focuses on the provision of ancillary services and more specific congestion management of distribution...
A large microgrid project is nearing completion at Alameda County's twenty-two-year-old 45 ha 4,000-inmate Santa Rita Jail, about 70 km east of San Francisco. Often described as a green prison, it has a considerable installed base of distributed energy resources (DER) including an eight-year old 1.2 MW PV array, a five-year old 1 MW fuel cell with heat recovery, and considerable efficiency investments...
The increasing number of players that operate in power systems leads to a more complex management. In this paper a new multi-agent platform is proposed, which simulates the real operation of power system players. MASGriP — A Multi-Agent Smart Grid Simulation Platform is presented. Several consumer and producer agents are implemented and simulated, considering real characteristics and different goals...
This paper presents an optimization model for optimal energy management of commercial building microgrid (μG) systems. The objectives are to increase efficiency of energy utilization, minimize operational costs and reduce environmental impacts of energy utilization in commercial buildings. Thus, mathematical models of a Combined Cooling, Heating, and Power (CCHP) μG including gas-fired Internal Combustion...
This paper examines a number of alternate business cases for Microgrids based on a variety of benefits that Microgrids have been reported to provide. The authors draw on proven methodologies for quantifying benefits and demonstrate how provision of services relating to social/environmental and technical benefits can support an economic business case for Microgrid development. The benefits are viewed...
This paper presents results from testing a 135 kW inverter's anti-islanding capabilities on a real test distribution feeder. The tests that were conducted are supplemental to current standards of anti-islanding testing, as various experiments are performed that are not all included in IEEE Standard 1547.1. These tests provide interesting insights to the operation of the system with the DG, as well...
A systematic approach for the small-signal modeling and stability analysis of microgrids is developed in this paper. The proposed methodology is intrinsically modular, in the sense that models for the system components are individually derived and then aggregated into a single model for the entire microgrid. The latter includes the representation of fast dynamic phenomena that arise with the widespread...
Autonomous microgrids are operated and coordinated by intelligent automatic controls without any reliance on human intervention. In this paper, a simulation framework utilizing sequential Monte Carlo simulations is developed to investigate the performance of autonomous microgrids that have the ability to interconnect to achieve adequate load service. Detailed models of the various microgrid components...
In recent decades, the integration of renewable energy resources in the power system has grown rapidly around the globe. Using renewable energy resources in microgrids is appropriate, especially where access to public power energy is impossible or costly. This paper presents a novel method for assessing the reliability of microgrids, taking into account the probabilistic behavior of solar and wind...
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