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With the extensive use of differential protection in micro-grid, the demand for online obtaining the settings becomes more urgent than the process in the past. This paper proposes a new differential protection scheme for micro-grid where a settings tracking and providing scheme is implemented to acquire the latest enabled protection settings by tracking multiple setting group control block (SGCB)...
Heating, ventilation and air-conditioning (HVAC) systems account for a significant portion of the energy consumed in commercial buildings. In this paper, an energy profiling methodology in a spatio-temporal framework is proposed through the development of a metric (called STEM) to gauge the performance of the HVAC systems. The metric takes into consideration both occupants' comfort and energy consumption,...
Uncertainty modeling of renewable Distributed Generations (DGs) has significant impact on optimal design of microgrids. Although the conventional Monte-Carlo (MC) simulation is the most accurate method for the uncertainty modeling it is a time consuming approach. In this paper, a new approach based on MC simulation is proposed for uncertainty modeling. The proposed method has a high precision in spite...
The techno-economic studies of distributed energy resources in the low-voltage (LV) distribution networks are mostly simulated on a few typical LV feeders, so the scalability issue of modeling and simulating a large part of LV networks in a large city is discussed. The proposed generic modeling framework has been implemented on a practical utility-scale LV network considering the LV network characteristics...
The paper describes an experimental model of a hybrid power source (HPS) on the basis of solid oxide fuel cells (SOFC) being developed by the authors. HPS includes generating system, power storage system, pairing system and an active-adaptive control system. Generation system includes a reformer and a modular electrochemical generator based on SOFC. The storage system consists of a capacitive storage...
This paper proposes an optimal power flow (OPF) framework in presence of grid scale energy storage system(s) in electric grids. It evaluates the impact of centralized storage versus distributed storage in OPF framework. Proposed OPF formulation includes a detail storage model to asses it's loss of life and associated cost due to frequent charging and discharging. Storage devices are optimally used...
This paper proposes a general methodology for performing generating system adequacy assessment of power systems incorporating several Distributed Energy Resources (DER) located at different nodes of a given distribution network. The disparate operating characteristics as well as capacities of individual DERs along with information about local distribution network loads are combined together to form...
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