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In this study, a heuristics-based optimisation methodology for a day-ahead unit commitment (UC) model in microgrids is proposed. The model aims to schedule the power among the different microgrid units while minimising the operating costs together with the CO2 emissions produced. A storage device is added where the charge and discharge schedule is calculated according to both objectives. In addition,...
The increased deployment of Distributed Energy Resources (DER) and their connection to the existing distribution networks influences the feeder voltage profiles and challenges the voltage control in distribution networks. Traditionally, On-Load Tap Changing (OLTC) transformers are the most common voltage control devices. In this paper, the problem of voltage rise mitigation in distribution networks...
On-Load Tap Changers (OLTCs) are increasingly being considered to control the voltage in Low-Voltage (LV) distribution grids. Today, most OLTC control strategies are based on secondary transformer measurements, while a Field Measurement Based (FMB) control could increase the quality further. In this paper, field measurements, performed by a Distribution System Operator (DSO), are used to simulate...
Microgrids are small-scale power systems including distributed generation (DG) units, storage devices and controllable loads, and can operate either connected or isolated from the utility grid. Ensuring an efficient, reliable, economic and environmentally friendly microgrid operation, an environomic power dispatch system is needed. In this paper, a formulation of an environomic scheduling approach...
Obtaining and maintaining large-scale datasets of actual measurements of a variety of different parameters typically requires significant effort by researchers or individuals. The monitoring of distributed renewable energy production across a wide geographical area is no different in this aspect. The increasingly pervasive availability of digital communication makes it possible to develop a computer...
As a result of the increasing number of distributed energy resources (DER) in the electrical grid and their commitment to future market participation, control strategies for optimal operation of DER within microgrids gain importance. Ensuring a smooth, reliable and economic operation of a micro-grid, requires an energy management system that dynamically fits the consumption to the production in combination...
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